dkms build failure with 2.3.4 staging

[satmandu]

In reference to @AttilaFueloep in #17595 (comment)

• This is a bit artificial, since I slap most of the current debian top level dir for packaging on top of OpenZFS and build from there for my Ubuntu builds.
• Having said that, I'm noticing that while doing that, I'm getting a build failure with dkms unless I revert these objtool patches: Linux build: handle CONFIG_OBJTOOL_WERROR=y #17456 objtool wrapper: use absolute path to call the wrapper. #17541
• With those reverted, and with the addition of Linux 6.17 compat #17621, I am able to build for both 6.16.0 and 6.17-rc1.
• I would note that I do NOT have CONFIG_OBJTOOL_WERROR set on my kernels.

This is from branching from https://github.com/amotin/zfs/commits/zfs-2.3.4-staging/ sometime yesterday morning EST. The source tar from github is here: https://launchpad.net/~satadru-umich/+archive/ubuntu/zfs-experimental/+sourcefiles/zfs-linux/2.3.4-pramanik1~p/zfs-linux_2.3.4.orig.tar.gz

The changes I have made are:

• Retain Allow txg_wait_synced_flags() and dmu_tx_assign() to return when the pool suspends Allow txg_wait_synced_flags() and dmu_tx_assign() to return when the pool suspends #17355
• Retain zpl: handle suspend from two remaining calls to txg_wait_synced() zpl: handle suspend from two remaining calls to txg_wait_synced() #17413
• Add Linux 6.16 compat: META Linux 6.16 compat: META #17578
• Add Linux 6.17 compat Linux 6.17 compat #17621

I attempted dkms builds for both 6.17-rc1 and 6.16.0, resulting in what looked like the same error. I don't have other dkms build issues on my systems.

These are logs from building for 6.17.0-rc1:
This is the broken make log from doing a sudo dkms build -m zfs/2.3.4 &> make.log.
make.log
(I would note that /var/lib/dkms/zfs/2.3.4/build/make.log is essentially empty after this)

With the reversal of #17541 I still get a failure:
make.log
This is the /var/lib/dkms/zfs/2.3.4/build/make.log after this build:

DKMS make.log for zfs-2.3.4 for kernel 6.17.0-rc1 (x86_64)
Wed Aug 13 03:48:57 PM EDT 2025
make: *** No targets specified and no makefile found.  Stop.

With the reversal of both #17541 and #17456 I get a successful build on both 6.17-rc1 and 6.16.0:
make.log

System information

Type	Version/Name
Distribution Name	Ubuntu
Distribution Version	25.04
Kernel Version	6.16.0, 6.17-rc1
Architecture	x86_64
OpenZFS Version	2.3.4 ish

The working binaries from those two reversions are here: https://launchpad.net/~satadru-umich/+archive/ubuntu/zfs-experimental/+sourcepub/17498698/+listing-archive-extra

[satmandu]

The make error is primarily this:

checking whether objtool error on warning behavior is enabled... no

Building module:
make -C /lib/modules/6.17.0-rc1/build M=/var/lib/dkms/zfs/2.3.4/build clean
make: Entering directory '/usr/src/linux-headers-6.17.0-rc1'
make[1]: Entering directory '/var/lib/dkms/zfs/2.3.4/build'
/usr/src/linux-headers-6.17.0-rc1/scripts/Makefile.clean:12: Makefile: No such file or directory
make[3]: *** No rule to make target 'Makefile'.  Stop.
make[2]: *** [/usr/src/linux-headers-6.17.0-rc1/Makefile:2016: _clean_.] Error 2
make[1]: *** [/usr/src/linux-headers-6.17.0-rc1/Makefile:248: __sub-make] Error 2
make[1]: Leaving directory '/var/lib/dkms/zfs/2.3.4/build'
make: *** [Makefile:248: __sub-make] Error 2
make: Leaving directory '/usr/src/linux-headers-6.17.0-rc1'
(bad exit status: 2)
{ make -j8 KERNELRELEASE=6.17.0-rc1; } >> /var/lib/dkms/zfs/2.3.4/build/make.log 2>&1
(bad exit status: 2)
ERROR (dkms apport): kernel package linux-headers-6.17.0-rc1 is not supported
Error! Bad return status for module build on kernel: 6.17.0-rc1 (x86_64)
Consult /var/lib/dkms/zfs/2.3.4/build/make.log for more information.

[AttilaFueloep]

Thanks for the very detailed issue description.

Very strange. Since you haven't set CONFIG_OBJTOOL_WERROR #17456 should just add a single line to modules/Makefile

        $(MAKE) -C /usr/lib/modules/6.17.0-rc1/build $(if ,CC=) \
                $(if ,LD=) $(if ,LLVM=) \
                $(if ,CROSS_COMPILE=) \
                $(if ,ARCH=) \
+               $(if ,objtool=../scripts/objtool-wrapper) \
                M="$$PWD"  CONFIG_ZFS=m modules

which is a no-op since the if condition is empty. It will also add the file scripts/objtool-wrapper. I haven't the slightest idea how these changes would trigger the build error.

[satmandu]

Here's the diff between the /usr/src/zfs-2.3.4 dir without #17456 or #17541 compared to with:

diff -Npaur /usr/src/zfs-2.3.4/config/kernel-objtool.m4 zfs-2.3.4/config/kernel-objtool.m4
--- /usr/src/zfs-2.3.4/config/kernel-objtool.m4	2025-08-12 12:55:03.000000000 -0400
+++ zfs-2.3.4/config/kernel-objtool.m4	2025-08-07 13:10:58.000000000 -0400
@@ -49,6 +49,15 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_OBJTOOL], [
 		#error "STACK_FRAME_NON_STANDARD is not defined."
 		#endif
 	])
+
+	dnl # 6.15 made CONFIG_OBJTOOL_WERROR=y the default. We need to handle
+	dnl # this or our build will fail.
+	ZFS_LINUX_TEST_SRC([config_objtool_werror], [
+		#if !defined(CONFIG_OBJTOOL_WERROR)
+		#error "CONFIG_OBJTOOL_WERROR is not defined."
+		#endif
+	])
+
 ])
 
 AC_DEFUN([ZFS_AC_KERNEL_OBJTOOL], [
@@ -84,6 +93,14 @@ AC_DEFUN([ZFS_AC_KERNEL_OBJTOOL], [
 		],[
 			AC_MSG_RESULT(no)
 		])
+
+		AC_MSG_CHECKING([whether CONFIG_OBJTOOL_WERROR is defined])
+		ZFS_LINUX_TEST_RESULT([config_objtool_werror],[
+			AC_MSG_RESULT(yes)
+			CONFIG_OBJTOOL_WERROR_DEFINED=yes
+		],[
+			AC_MSG_RESULT(no)
+		])
 	],[
 		AC_MSG_RESULT(no)
 	])
diff -Npaur /usr/src/zfs-2.3.4/config/zfs-build.m4 zfs-2.3.4/config/zfs-build.m4
--- /usr/src/zfs-2.3.4/config/zfs-build.m4	2025-08-12 12:55:03.000000000 -0400
+++ zfs-2.3.4/config/zfs-build.m4	2025-08-07 13:10:58.000000000 -0400
@@ -205,6 +205,46 @@ AC_DEFUN([ZFS_AC_DEBUG_INVARIANTS], [
 	AC_MSG_RESULT([$enable_invariants])
 ])
 
+dnl # Disabled by default. If enabled allows a configured "turn objtools
+dnl # warnings into errors" (CONFIG_OBJTOOL_WERROR) behavior to take effect.
+dnl # If disabled, objtool warnings are never turned into errors. It can't
+dnl # be enabled if the kernel wasn't compiled with CONFIG_OBJTOOL_WERROR=y.
+dnl #
+AC_DEFUN([ZFS_AC_OBJTOOL_WERROR], [
+	AC_MSG_CHECKING([whether objtool error on warning behavior is enabled])
+	AC_ARG_ENABLE([objtool-werror],
+		[AS_HELP_STRING([--enable-objtool-werror],
+		[Enable objtool's error on warning behaviour if present @<:@default=no@:>@])],
+		[enable_objtool_werror=$enableval],
+		[enable_objtool_werror=no])
+	AC_MSG_RESULT([$enable_objtool_werror])
+
+	AS_IF([test x$CONFIG_OBJTOOL_WERROR_DEFINED = xyes],[
+		AS_IF([test x$enable_objtool_werror = xyes],[
+			AC_MSG_NOTICE([enable-objtool-werror defined, keeping -Werror ])
+		],[
+			AC_MSG_NOTICE([enable-objtool-werror undefined, disabling -Werror ])
+			OBJTOOL_DISABLE_WERROR=y
+			abs_objtool_binary=$kernelsrc/tools/objtool/objtool
+			AS_IF([test -x $abs_objtool_binary],[],[
+				AC_MSG_ERROR([*** objtool binary $abs_objtool_binary not found])
+			])
+			dnl # The path to the wrapper is defined in modules/Makefile.in.
+		])
+	],[
+		dnl # We can't enable --Werror if it's not there.
+		AS_IF([test x$enable_objtool_werror = xyes],[
+			AC_MSG_ERROR([
+	*** Cannot enable objtool-werror,
+	*** a kernel built with CONFIG_OBJTOOL_WERROR=y is required.
+			])
+		],[])
+	])
+
+	AC_SUBST(OBJTOOL_DISABLE_WERROR)
+	AC_SUBST(abs_objtool_binary)
+])
+
 AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [
 	AX_COUNT_CPUS([])
 	AC_SUBST(CPU_COUNT)
diff -Npaur /usr/src/zfs-2.3.4/configure zfs-2.3.4/configure
--- /usr/src/zfs-2.3.4/configure	2025-08-12 12:55:03.000000000 -0400
+++ zfs-2.3.4/configure	2025-08-12 12:55:03.000000000 -0400
@@ -709,10 +709,8 @@ ac_includes_default="\
 
 ac_header_c_list=
 gt_needs=
-ac_subst_vars='am__EXEEXT_FALSE
-am__EXEEXT_TRUE
-LTLIBOBJS
-LIBOBJS
+ac_subst_vars='abs_objtool_binary
+OBJTOOL_DISABLE_WERROR
 WITH_INVARIANTS
 DEBUG_KMEM_TRACKING_ZFS
 DEBUG_KMEM_ZFS
@@ -1115,6 +1113,7 @@ enable_debuginfo
 enable_debug_kmem
 enable_debug_kmem_tracking
 enable_invariants
+enable_objtool_werror
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1824,6 +1823,8 @@ Optional Features:
                           Enable detailed kmem tracking [default=no]
   --enable-invariants     Enable FreeBSD kernel INVARIANTS checks [[default:
                           detect]]
+  --enable-objtool-werror Enable objtool's error on warning behaviour if
+                          present [default=no]
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -24620,6 +24621,119 @@ fi
 
 
 
+	cachevar="zfs_cv_kernel_config_objtool_werror_$_zfs_linux_cache_checksum"
+	eval "cacheval=\$$cachevar"
+	if test "x$cacheval" = "x"
+then :
+
+
+test -d build/config_objtool_werror || mkdir -p build/config_objtool_werror
+cat confdefs.h - <<_ACEOF >build/config_objtool_werror/config_objtool_werror.c
+
+#include <linux/module.h>
+
+		#if !defined(CONFIG_OBJTOOL_WERROR)
+		#error "CONFIG_OBJTOOL_WERROR is not defined."
+		#endif
+
+
+int
+main (void)
+{
+
+	;
+	return 0;
+}
+
+MODULE_DESCRIPTION("conftest");
+MODULE_AUTHOR(ZFS_META_AUTHOR);
+MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE);
+MODULE_LICENSE("Dual BSD/GPL");
+
+_ACEOF
+
+
+	test -d build || mkdir -p build
+	test -d build/config_objtool_werror || mkdir -p build/config_objtool_werror
+
+	file=build/config_objtool_werror/Makefile
+
+		cat - <<_ACEOF >$file
+# Example command line to manually build source
+# make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/config_objtool_werror
+
+ccflags-y := -Werror $FRAME_LARGER_THAN
+_ACEOF
+
+
+
+		echo "obj-m := config_objtool_werror.o" >>$file
+
+	if test "xyes" = "xyes"
+then :
+  echo "obj-m += config_objtool_werror/" >>build/Makefile
+fi
+
+
+		if  test -n ""
+then :
+
+
+test -d build/config_objtool_werror_license || mkdir -p build/config_objtool_werror_license
+cat confdefs.h - <<_ACEOF >build/config_objtool_werror_license/config_objtool_werror_license.c
+
+#include <linux/module.h>
+
+		#if !defined(CONFIG_OBJTOOL_WERROR)
+		#error "CONFIG_OBJTOOL_WERROR is not defined."
+		#endif
+
+
+int
+main (void)
+{
+
+	;
+	return 0;
+}
+
+MODULE_DESCRIPTION("conftest");
+MODULE_AUTHOR(ZFS_META_AUTHOR);
+MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE);
+MODULE_LICENSE();
+
+_ACEOF
+
+
+	test -d build || mkdir -p build
+	test -d build/config_objtool_werror_license || mkdir -p build/config_objtool_werror_license
+
+	file=build/config_objtool_werror_license/Makefile
+
+		cat - <<_ACEOF >$file
+# Example command line to manually build source
+# make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/config_objtool_werror_license
+
+ccflags-y := -Werror $FRAME_LARGER_THAN
+_ACEOF
+
+
+
+		echo "obj-m := config_objtool_werror_license.o" >>$file
+
+	if test "xyes" = "xyes"
+then :
+  echo "obj-m += config_objtool_werror_license/" >>build/Makefile
+fi
+
+
+fi
+
+fi
+
+
+
+
 
 	cachevar="zfs_cv_kernel_access_ok_type_$_zfs_linux_cache_checksum"
 	eval "cacheval=\$$cachevar"
@@ -51043,6 +51157,60 @@ esac
 fi
 
 
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CONFIG_OBJTOOL_WERROR is defined" >&5
+printf %s "checking whether CONFIG_OBJTOOL_WERROR is defined... " >&6; }
+
+	cachevar="zfs_cv_kernel_config_objtool_werror_$_zfs_linux_cache_checksum"
+	if eval test \${$cachevar+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e)
+		if test -d build/config_objtool_werror
+then :
+
+			if test -f build/config_objtool_werror/config_objtool_werror.ko
+then :
+
+				eval "$cachevar=yes"
+
+else case e in #(
+  e)
+				eval "$cachevar=no"
+			 ;;
+esac
+fi
+
+else case e in #(
+  e)
+			as_fn_error $? "
+	*** No matching source for the \"config_objtool_werror\" test, check that
+	*** both the test source and result macros refer to the same name.
+			" "$LINENO" 5
+		 ;;
+esac
+fi
+	 ;;
+esac
+fi
+
+	eval "cacheval=\$$cachevar"
+	if test "x$cacheval" = "xyes"
+then :
+
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+			CONFIG_OBJTOOL_WERROR_DEFINED=yes
+
+else case e in #(
+  e)
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+		 ;;
+esac
+fi
+
+
 else case e in #(
   e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
@@ -77680,6 +77848,119 @@ fi
 
 
 
+	cachevar="zfs_cv_kernel_config_objtool_werror_$_zfs_linux_cache_checksum"
+	eval "cacheval=\$$cachevar"
+	if test "x$cacheval" = "x"
+then :
+
+
+test -d build/config_objtool_werror || mkdir -p build/config_objtool_werror
+cat confdefs.h - <<_ACEOF >build/config_objtool_werror/config_objtool_werror.c
+
+#include <linux/module.h>
+
+		#if !defined(CONFIG_OBJTOOL_WERROR)
+		#error "CONFIG_OBJTOOL_WERROR is not defined."
+		#endif
+
+
+int
+main (void)
+{
+
+	;
+	return 0;
+}
+
+MODULE_DESCRIPTION("conftest");
+MODULE_AUTHOR(ZFS_META_AUTHOR);
+MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE);
+MODULE_LICENSE("Dual BSD/GPL");
+
+_ACEOF
+
+
+	test -d build || mkdir -p build
+	test -d build/config_objtool_werror || mkdir -p build/config_objtool_werror
+
+	file=build/config_objtool_werror/Makefile
+
+		cat - <<_ACEOF >$file
+# Example command line to manually build source
+# make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/config_objtool_werror
+
+ccflags-y := -Werror $FRAME_LARGER_THAN
+_ACEOF
+
+
+
+		echo "obj-m := config_objtool_werror.o" >>$file
+
+	if test "xyes" = "xyes"
+then :
+  echo "obj-m += config_objtool_werror/" >>build/Makefile
+fi
+
+
+		if  test -n ""
+then :
+
+
+test -d build/config_objtool_werror_license || mkdir -p build/config_objtool_werror_license
+cat confdefs.h - <<_ACEOF >build/config_objtool_werror_license/config_objtool_werror_license.c
+
+#include <linux/module.h>
+
+		#if !defined(CONFIG_OBJTOOL_WERROR)
+		#error "CONFIG_OBJTOOL_WERROR is not defined."
+		#endif
+
+
+int
+main (void)
+{
+
+	;
+	return 0;
+}
+
+MODULE_DESCRIPTION("conftest");
+MODULE_AUTHOR(ZFS_META_AUTHOR);
+MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE);
+MODULE_LICENSE();
+
+_ACEOF
+
+
+	test -d build || mkdir -p build
+	test -d build/config_objtool_werror_license || mkdir -p build/config_objtool_werror_license
+
+	file=build/config_objtool_werror_license/Makefile
+
+		cat - <<_ACEOF >$file
+# Example command line to manually build source
+# make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/config_objtool_werror_license
+
+ccflags-y := -Werror $FRAME_LARGER_THAN
+_ACEOF
+
+
+
+		echo "obj-m := config_objtool_werror_license.o" >>$file
+
+	if test "xyes" = "xyes"
+then :
+  echo "obj-m += config_objtool_werror_license/" >>build/Makefile
+fi
+
+
+fi
+
+fi
+
+
+
+
 
 	cachevar="zfs_cv_kernel_access_ok_type_$_zfs_linux_cache_checksum"
 	eval "cacheval=\$$cachevar"
@@ -104103,6 +104384,60 @@ esac
 fi
 
 
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CONFIG_OBJTOOL_WERROR is defined" >&5
+printf %s "checking whether CONFIG_OBJTOOL_WERROR is defined... " >&6; }
+
+	cachevar="zfs_cv_kernel_config_objtool_werror_$_zfs_linux_cache_checksum"
+	if eval test \${$cachevar+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e)
+		if test -d build/config_objtool_werror
+then :
+
+			if test -f build/config_objtool_werror/config_objtool_werror.ko
+then :
+
+				eval "$cachevar=yes"
+
+else case e in #(
+  e)
+				eval "$cachevar=no"
+			 ;;
+esac
+fi
+
+else case e in #(
+  e)
+			as_fn_error $? "
+	*** No matching source for the \"config_objtool_werror\" test, check that
+	*** both the test source and result macros refer to the same name.
+			" "$LINENO" 5
+		 ;;
+esac
+fi
+	 ;;
+esac
+fi
+
+	eval "cacheval=\$$cachevar"
+	if test "x$cacheval" = "xyes"
+then :
+
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+			CONFIG_OBJTOOL_WERROR_DEFINED=yes
+
+else case e in #(
+  e)
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+		 ;;
+esac
+fi
+
+
 else case e in #(
   e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
@@ -117605,2587 +117940,68 @@ fi
 printf "%s\n" "$enable_invariants" >&6; }
 
 
-ac_config_files="$ac_config_files Makefile include/Makefile module/Kbuild module/Makefile zfs.release"
-
-
-
-cat >confcache <<\_ACEOF
-# This file is a shell script that caches the results of configure
-# tests run on this system so they can be shared between configure
-# scripts and configure runs, see configure's option --config-cache.
-# It is not useful on other systems.  If it contains results you don't
-# want to keep, you may remove or edit it.
-#
-# config.status only pays attention to the cache file if you give it
-# the --recheck option to rerun configure.
-#
-# 'ac_cv_env_foo' variables (set or unset) will be overridden when
-# loading this file, other *unset* 'ac_cv_foo' will be assigned the
-# following values.
-
-_ACEOF
-
-# The following way of writing the cache mishandles newlines in values,
-# but we know of no workaround that is simple, portable, and efficient.
-# So, we kill variables containing newlines.
-# Ultrix sh set writes to stderr and can't be redirected directly,
-# and sets the high bit in the cache file unless we assign to the vars.
-(
-  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
-    eval ac_val=\$$ac_var
-    case $ac_val in #(
-    *${as_nl}*)
-      case $ac_var in #(
-      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
-      esac
-      case $ac_var in #(
-      _ | IFS | as_nl) ;; #(
-      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) { eval $ac_var=; unset $ac_var;} ;;
-      esac ;;
-    esac
-  done
-
-  (set) 2>&1 |
-    case $as_nl`(ac_space=' '; set) 2>&1` in #(
-    *${as_nl}ac_space=\ *)
-      # 'set' does not quote correctly, so add quotes: double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \.
-      sed -n \
-	"s/'/'\\\\''/g;
-	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
-      ;; #(
-    *)
-      # 'set' quotes correctly as required by POSIX, so do not add quotes.
-      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
-      ;;
-    esac |
-    sort
-) |
-  sed '
-     /^ac_cv_env_/b end
-     t clear
-     :clear
-     s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/
-     t end
-     s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
-     :end' >>confcache
-if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
-  if test -w "$cache_file"; then
-    if test "x$cache_file" != "x/dev/null"; then
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
-      if test ! -f "$cache_file" || test -h "$cache_file"; then
-	cat confcache >"$cache_file"
-      else
-        case $cache_file in #(
-        */* | ?:*)
-	  mv -f confcache "$cache_file"$$ &&
-	  mv -f "$cache_file"$$ "$cache_file" ;; #(
-        *)
-	  mv -f confcache "$cache_file" ;;
-	esac
-      fi
-    fi
-  else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}
-  fi
-fi
-rm -f confcache
-
-test "x$prefix" = xNONE && prefix=$ac_default_prefix
-# Let make expand exec_prefix.
-test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
-
-DEFS=-DHAVE_CONFIG_H
-
-ac_libobjs=
-ac_ltlibobjs=
-U=
-for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
-  # 1. Remove the extension, and $U if already installed.
-  ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"`
-  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
-  #    will be set to the directory where LIBOBJS objects are built.
-  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
-done
-LIBOBJS=$ac_libobjs
-
-LTLIBOBJS=$ac_ltlibobjs
-
-
-if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then
-  as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-case $enable_silent_rules in # (((
-  yes) AM_DEFAULT_VERBOSITY=0;;
-   no) AM_DEFAULT_VERBOSITY=1;;
-esac
-if test $am_cv_make_support_nested_variables = yes; then
-    AM_V='$(V)'
-  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
-else
-  AM_V=$AM_DEFAULT_VERBOSITY
-  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
-fi
-
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5
-printf %s "checking that generated files are newer than configure... " >&6; }
-   if test -n "$am_sleep_pid"; then
-     # Hide warnings about reused PIDs.
-     wait $am_sleep_pid 2>/dev/null
-   fi
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5
-printf "%s\n" "done" >&6; }
- if test -n "$EXEEXT"; then
-  am__EXEEXT_TRUE=
-  am__EXEEXT_FALSE='#'
-else
-  am__EXEEXT_TRUE='#'
-  am__EXEEXT_FALSE=
-fi
-
-if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
-  as_fn_error $? "conditional \"AMDEP\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
-  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
-  as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${am__fastdepCCAS_TRUE}" && test -z "${am__fastdepCCAS_FALSE}"; then
-  as_fn_error $? "conditional \"am__fastdepCCAS\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${CODE_COVERAGE_ENABLED_TRUE}" && test -z "${CODE_COVERAGE_ENABLED_FALSE}"; then
-  as_fn_error $? "conditional \"CODE_COVERAGE_ENABLED\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${ASAN_ENABLED_TRUE}" && test -z "${ASAN_ENABLED_FALSE}"; then
-  as_fn_error $? "conditional \"ASAN_ENABLED\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${UBSAN_ENABLED_TRUE}" && test -z "${UBSAN_ENABLED_FALSE}"; then
-  as_fn_error $? "conditional \"UBSAN_ENABLED\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${BUILD_LINUX_TRUE}" && test -z "${BUILD_LINUX_FALSE}"; then
-  as_fn_error $? "conditional \"BUILD_LINUX\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${BUILD_FREEBSD_TRUE}" && test -z "${BUILD_FREEBSD_FALSE}"; then
-  as_fn_error $? "conditional \"BUILD_FREEBSD\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${TARGET_CPU_AARCH64_TRUE}" && test -z "${TARGET_CPU_AARCH64_FALSE}"; then
-  as_fn_error $? "conditional \"TARGET_CPU_AARCH64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${TARGET_CPU_X86_64_TRUE}" && test -z "${TARGET_CPU_X86_64_FALSE}"; then
-  as_fn_error $? "conditional \"TARGET_CPU_X86_64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${TARGET_CPU_POWERPC_TRUE}" && test -z "${TARGET_CPU_POWERPC_FALSE}"; then
-  as_fn_error $? "conditional \"TARGET_CPU_POWERPC\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${TARGET_CPU_SPARC64_TRUE}" && test -z "${TARGET_CPU_SPARC64_FALSE}"; then
-  as_fn_error $? "conditional \"TARGET_CPU_SPARC64\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${TARGET_CPU_ARM_TRUE}" && test -z "${TARGET_CPU_ARM_FALSE}"; then
-  as_fn_error $? "conditional \"TARGET_CPU_ARM\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${USING_PYTHON_TRUE}" && test -z "${USING_PYTHON_FALSE}"; then
-  as_fn_error $? "conditional \"USING_PYTHON\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${PYZFS_ENABLED_TRUE}" && test -z "${PYZFS_ENABLED_FALSE}"; then
-  as_fn_error $? "conditional \"PYZFS_ENABLED\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${HAVE_SHELLCHECK_TRUE}" && test -z "${HAVE_SHELLCHECK_FALSE}"; then
-  as_fn_error $? "conditional \"HAVE_SHELLCHECK\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${HAVE_CHECKBASHISMS_TRUE}" && test -z "${HAVE_CHECKBASHISMS_FALSE}"; then
-  as_fn_error $? "conditional \"HAVE_CHECKBASHISMS\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${HAVE_PARALLEL_TRUE}" && test -z "${HAVE_PARALLEL_FALSE}"; then
-  as_fn_error $? "conditional \"HAVE_PARALLEL\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${INIT_SYSV_TRUE}" && test -z "${INIT_SYSV_FALSE}"; then
-  as_fn_error $? "conditional \"INIT_SYSV\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${INIT_SYSTEMD_TRUE}" && test -z "${INIT_SYSTEMD_FALSE}"; then
-  as_fn_error $? "conditional \"INIT_SYSTEMD\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${WANT_MODULES_LOAD_D_TRUE}" && test -z "${WANT_MODULES_LOAD_D_FALSE}"; then
-  as_fn_error $? "conditional \"WANT_MODULES_LOAD_D\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${CONFIG_USER_TRUE}" && test -z "${CONFIG_USER_FALSE}"; then
-  as_fn_error $? "conditional \"CONFIG_USER\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${CONFIG_KERNEL_TRUE}" && test -z "${CONFIG_KERNEL_FALSE}"; then
-  as_fn_error $? "conditional \"CONFIG_KERNEL\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${CONFIG_QAT_TRUE}" && test -z "${CONFIG_QAT_FALSE}"; then
-  as_fn_error $? "conditional \"CONFIG_QAT\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${WANT_DEVNAME2DEVID_TRUE}" && test -z "${WANT_DEVNAME2DEVID_FALSE}"; then
-  as_fn_error $? "conditional \"WANT_DEVNAME2DEVID\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${WANT_MMAP_LIBAIO_TRUE}" && test -z "${WANT_MMAP_LIBAIO_FALSE}"; then
-  as_fn_error $? "conditional \"WANT_MMAP_LIBAIO\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${PAM_ZFS_ENABLED_TRUE}" && test -z "${PAM_ZFS_ENABLED_FALSE}"; then
-  as_fn_error $? "conditional \"PAM_ZFS_ENABLED\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-
-: "${CONFIG_STATUS=./config.status}"
-ac_write_fail=0
-ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
-as_write_fail=0
-cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
-#! $SHELL
-# Generated by $as_me.
-# Run this file to recreate the current configuration.
-# Compiler output produced by configure, useful for debugging
-# configure, is in config.log if it exists.
-
-debug=false
-ac_cs_recheck=false
-ac_cs_silent=false
-
-SHELL=\${CONFIG_SHELL-$SHELL}
-export SHELL
-_ASEOF
-cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
-## -------------------- ##
-## M4sh Initialization. ##
-## -------------------- ##
-
-# Be more Bourne compatible
-DUALCASE=1; export DUALCASE # for MKS sh
-if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
-then :
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else case e in #(
-  e) case `(set -o) 2>/dev/null` in #(
-  *posix*) :
-    set -o posix ;; #(
-  *) :
-     ;;
-esac ;;
-esac
-fi
-
-
-
-# Reset variables that may have inherited troublesome values from
-# the environment.
-
-# IFS needs to be set, to space, tab, and newline, in precisely that order.
-# (If _AS_PATH_WALK were called with IFS unset, it would have the
-# side effect of setting IFS to empty, thus disabling word splitting.)
-# Quoting is to prevent editors from complaining about space-tab.
-as_nl='
-'
-export as_nl
-IFS=" ""	$as_nl"
-
-PS1='$ '
-PS2='> '
-PS4='+ '
-
-# Ensure predictable behavior from utilities with locale-dependent output.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
-
-# We cannot yet rely on "unset" to work, but we need these variables
-# to be unset--not just set to an empty or harmless value--now, to
-# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh).  This construct
-# also avoids known problems related to "unset" and subshell syntax
-# in other old shells (e.g. bash 2.01 and pdksh 5.2.14).
-for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH
-do eval test \${$as_var+y} \
-  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
-done
-
-# Ensure that fds 0, 1, and 2 are open.
-if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi
-if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi
-if (exec 3>&2)            ; then :; else exec 2>/dev/null; fi
-
-# The user is always right.
-if ${PATH_SEPARATOR+false} :; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
-fi
-
-
-# Find who we are.  Look in the path if we contain no directory separator.
-as_myself=
-case $0 in #((
-  *[\\/]* ) as_myself=$0 ;;
-  *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    test -r "$as_dir$0" && as_myself=$as_dir$0 && break
-  done
-IFS=$as_save_IFS
-
-     ;;
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether objtool error on warning behavior is enabled" >&5
+printf %s "checking whether objtool error on warning behavior is enabled... " >&6; }
+	# Check whether --enable-objtool-werror was given.
+if test ${enable_objtool_werror+y}
+then :
+  enableval=$enable_objtool_werror; enable_objtool_werror=$enableval
+else case e in #(
+  e) enable_objtool_werror=no ;;
 esac
-# We did not find ourselves, most probably we were run as 'sh COMMAND'
-# in which case we are not to be found in the path.
-if test "x$as_myself" = x; then
-  as_myself=$0
 fi
-if test ! -f "$as_myself"; then
-  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  exit 1
-fi
-
 
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_objtool_werror" >&5
+printf "%s\n" "$enable_objtool_werror" >&6; }
 
-# as_fn_error STATUS ERROR [LINENO LOG_FD]
-# ----------------------------------------
-# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
-# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
-# script with STATUS, using 1 if that was 0.
-as_fn_error ()
-{
-  as_status=$1; test $as_status -eq 0 && as_status=1
-  if test "$4"; then
-    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
-  fi
-  printf "%s\n" "$as_me: error: $2" >&2
-  as_fn_exit $as_status
-} # as_fn_error
-
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
+	if test x$CONFIG_OBJTOOL_WERROR_DEFINED = xyes
+then :
 
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
+		if test x$enable_objtool_werror = xyes
+then :
 
-# as_fn_unset VAR
-# ---------------
-# Portably unset VAR.
-as_fn_unset ()
-{
-  { eval $1=; unset $1;}
-}
-as_unset=as_fn_unset
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: enable-objtool-werror defined, keeping -Werror " >&5
+printf "%s\n" "$as_me: enable-objtool-werror defined, keeping -Werror " >&6;}
 
-# as_fn_append VAR VALUE
-# ----------------------
-# Append the text in VALUE to the end of the definition contained in VAR. Take
-# advantage of any shell optimizations that allow amortized linear growth over
-# repeated appends, instead of the typical quadratic growth present in naive
-# implementations.
-if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null
-then :
-  eval 'as_fn_append ()
-  {
-    eval $1+=\$2
-  }'
 else case e in #(
-  e) as_fn_append ()
-  {
-    eval $1=\$$1\$2
-  } ;;
-esac
-fi # as_fn_append
-
-# as_fn_arith ARG...
-# ------------------
-# Perform arithmetic evaluation on the ARGs, and store the result in the
-# global $as_val. Take advantage of shells that can avoid forks. The arguments
-# must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null
+  e)
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: enable-objtool-werror undefined, disabling -Werror " >&5
+printf "%s\n" "$as_me: enable-objtool-werror undefined, disabling -Werror " >&6;}
+			OBJTOOL_DISABLE_WERROR=y
+			abs_objtool_binary=$kernelsrc/tools/objtool/objtool
+			if test -x $abs_objtool_binary
 then :
-  eval 'as_fn_arith ()
-  {
-    as_val=$(( $* ))
-  }'
+
 else case e in #(
-  e) as_fn_arith ()
-  {
-    as_val=`expr "$@" || test $? -eq 1`
-  } ;;
+  e)
+				as_fn_error $? "*** objtool binary $abs_objtool_binary not found" "$LINENO" 5
+			 ;;
 esac
-fi # as_fn_arith
-
-
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
 fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
-
-# Determine whether it's possible to make 'echo' print without a newline.
-# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-# for compatibility with existing Makefiles.
-ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
--n*)
-  case `echo 'xy\c'` in
-  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T='	';;
-  esac;;
-*)
-  ECHO_N='-n';;
+					 ;;
 esac
-
-# For backward compatibility with old third-party macros, we provide
-# the shell variables $as_echo and $as_echo_n.  New code should use
-# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
-as_echo='printf %s\n'
-as_echo_n='printf %s'
-
-rm -f conf$$ conf$$.exe conf$$.file
-if test -d conf$$.dir; then
-  rm -f conf$$.dir/conf$$.file
-else
-  rm -f conf$$.dir
-  mkdir conf$$.dir 2>/dev/null
-fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
-    # In both cases, we have to default to 'cp -pR'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -pR'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
-    as_ln_s='cp -pR'
-  fi
-else
-  as_ln_s='cp -pR'
 fi
-rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
-rmdir conf$$.dir 2>/dev/null
-
-
-# as_fn_mkdir_p
-# -------------
-# Create "$as_dir" as a directory, including parents if necessary.
-as_fn_mkdir_p ()
-{
 
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || eval $as_mkdir_p || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
-
-
-} # as_fn_mkdir_p
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-lt_cv_sys_global_symbol_pipe \
-lt_cv_sys_global_symbol_to_cdecl \
-lt_cv_sys_global_symbol_to_import \
-lt_cv_sys_global_symbol_to_c_name_address \
-lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \
-lt_cv_nm_interface \
-nm_file_list_spec \
-lt_cv_truncate_bin \
-lt_prog_compiler_no_builtin_flag \
-lt_prog_compiler_pic \
-lt_prog_compiler_wl \
-lt_prog_compiler_static \
-lt_cv_prog_compiler_c_o \
-need_locks \
-MANIFEST_TOOL \
-DSYMUTIL \
-NMEDIT \
-LIPO \
-OTOOL \
-OTOOL64 \
-shrext_cmds \
-export_dynamic_flag_spec \
-whole_archive_flag_spec \
-compiler_needs_object \
-with_gnu_ld \
-allow_undefined_flag \
-no_undefined_flag \
-hardcode_libdir_flag_spec \
-hardcode_libdir_separator \
-exclude_expsyms \
-include_expsyms \
-file_list_spec \
-variables_saved_for_relink \
-libname_spec \
-library_names_spec \
-soname_spec \
-install_override_mode \
-finish_eval \
-old_striplib \
-striplib; do
-    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
-    *[\\\\\\\`\\"\\\$]*)
-      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
-      ;;
-    *)
-      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
-      ;;
-    esac
-done
-
-# Double-quote double-evaled strings.
-for var in reload_cmds \
-old_postinstall_cmds \
-old_postuninstall_cmds \
-old_archive_cmds \
-extract_expsyms_cmds \
-old_archive_from_new_cmds \
-old_archive_from_expsyms_cmds \
-archive_cmds \
-archive_expsym_cmds \
-module_cmds \
-module_expsym_cmds \
-export_symbols_cmds \
-prelink_cmds \
-postlink_cmds \
-postinstall_cmds \
-postuninstall_cmds \
-finish_cmds \
-sys_lib_search_path_spec \
-configure_time_dlsearch_path \
-configure_time_lt_sys_library_path; do
-    case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in
-    *[\\\\\\\`\\"\\\$]*)
-      eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes
-      ;;
-    *)
-      eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\""
-      ;;
-    esac
-done
-
-ac_aux_dir='$ac_aux_dir'
-
-# See if we are running on zsh, and set the options that allow our
-# commands through without removal of \ escapes INIT.
-if test -n "\${ZSH_VERSION+set}"; then
-   setopt NO_GLOB_SUBST
-fi
-
-
-    PACKAGE='$PACKAGE'
-    VERSION='$VERSION'
-    RM='$RM'
-    ofile='$ofile'
-
-
-
-# Capture the value of obsolete ALL_LINGUAS because we need it to compute
-    # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS.
-    OBSOLETE_ALL_LINGUAS="$ALL_LINGUAS"
-    # Capture the value of LINGUAS because we need it to compute CATALOGS.
-    LINGUAS="${LINGUAS-%UNSET%}"
-
-
-_ACEOF
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-
-# Handling of arguments.
-for ac_config_target in $ac_config_targets
-do
-  case $ac_config_target in
-    "zfs_config.h") CONFIG_HEADERS="$CONFIG_HEADERS zfs_config.h" ;;
-    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
-    "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
-    "po-directories") CONFIG_COMMANDS="$CONFIG_COMMANDS po-directories" ;;
-    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
-    "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
-    "module/Kbuild") CONFIG_FILES="$CONFIG_FILES module/Kbuild" ;;
-    "module/Makefile") CONFIG_FILES="$CONFIG_FILES module/Makefile" ;;
-    "zfs.release") CONFIG_FILES="$CONFIG_FILES zfs.release" ;;
-
-  *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;
-  esac
-done
-
-
-# If the user did not use the arguments to specify the items to instantiate,
-# then the envvar interface is used.  Set only those that are not.
-# We use the long form for the default assignment because of an extremely
-# bizarre bug on SunOS 4.1.3.
-if $ac_need_defaults; then
-  test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files
-  test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers
-  test ${CONFIG_COMMANDS+y} || CONFIG_COMMANDS=$config_commands
-fi
-
-# Have a temporary directory for convenience.  Make it in the build tree
-# simply because there is no reason against having it here, and in addition,
-# creating and moving files from /tmp can sometimes cause problems.
-# Hook for its removal unless debugging.
-# Note that there is a small window in which the directory will not be cleaned:
-# after its creation but before its name has been assigned to '$tmp'.
-$debug ||
-{
-  tmp= ac_tmp=
-  trap 'exit_status=$?
-  : "${ac_tmp:=$tmp}"
-  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
-' 0
-  trap 'as_fn_exit 1' 1 2 13 15
-}
-# Create a (secure) tmp directory for tmp files.
-
-{
-  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -d "$tmp"
-}  ||
-{
-  tmp=./conf$$-$RANDOM
-  (umask 077 && mkdir "$tmp")
-} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
-ac_tmp=$tmp
-
-# Set up the scripts for CONFIG_FILES section.
-# No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with './config.status config.h'.
-if test -n "$CONFIG_FILES"; then
+else case e in #(
+  e)
+				if test x$enable_objtool_werror = xyes
+then :
 
+			as_fn_error $? "
+	*** Cannot enable objtool-werror,
+	*** a kernel built with CONFIG_OBJTOOL_WERROR=y is required.
+			" "$LINENO" 5
 
-ac_cr=`echo X | tr X '\015'`
-# On cygwin, bash can eat \r inside `` if the user requested igncr.
-# But we know of no other shell where ac_cr would be empty at this
-# point, so we can use a bashism as a fallback.
-if test "x$ac_cr" = x; then
-  eval ac_cr=\$\'\\r\'
-fi
-ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
-if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
-  ac_cs_awk_cr='\\r'
-else
-  ac_cs_awk_cr=$ac_cr
 fi
-
-echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
-_ACEOF
-
-
-{
-  echo "cat >conf$$subs.awk <<_ACEOF" &&
-  echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
-  echo "_ACEOF"
-} >conf$$subs.sh ||
-  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
-ac_delim='%!_!# '
-for ac_last_try in false false false false false :; do
-  . ./conf$$subs.sh ||
-    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-
-  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
-  if test $ac_delim_n = $ac_delim_num; then
-    break
-  elif $ac_last_try; then
-    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-  else
-    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
-  fi
-done
-rm -f conf$$subs.sh
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
-_ACEOF
-sed -n '
-h
-s/^/S["/; s/!.*/"]=/
-p
-g
-s/^[^!]*!//
-:repl
-t repl
-s/'"$ac_delim"'$//
-t delim
-:nl
-h
-s/\(.\{148\}\)..*/\1/
-t more1
-s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
-p
-n
-b repl
-:more1
-s/["\\]/\\&/g; s/^/"/; s/$/"\\/
-p
-g
-s/.\{148\}//
-t nl
-:delim
-h
-s/\(.\{148\}\)..*/\1/
-t more2
-s/["\\]/\\&/g; s/^/"/; s/$/"/
-p
-b
-:more2
-s/["\\]/\\&/g; s/^/"/; s/$/"\\/
-p
-g
-s/.\{148\}//
-t delim
-' <conf$$subs.awk | sed '
-/^[^""]/{
-  N
-  s/\n//
-}
-' >>$CONFIG_STATUS || ac_write_fail=1
-rm -f conf$$subs.awk
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-_ACAWK
-cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
-  for (key in S) S_is_set[key] = 1
-  FS = "�"
-
-}
-{
-  line = $ 0
-  nfields = split(line, field, "@")
-  substed = 0
-  len = length(field[1])
-  for (i = 2; i < nfields; i++) {
-    key = field[i]
-    keylen = length(key)
-    if (S_is_set[key]) {
-      value = S[key]
-      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
-      len += length(value) + length(field[++i])
-      substed = 1
-    } else
-      len += 1 + keylen
-  }
-
-  print line
-}
-
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
-  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
-else
-  cat
-fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
-  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
-_ACEOF
-
-# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
-# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
-# trailing colons and then remove the whole line if VPATH becomes empty
-# (actually we leave an empty line to preserve line numbers).
-if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
-h
-s///
-s/^/:/
-s/[	 ]*$/:/
-s/:\$(srcdir):/:/g
-s/:\${srcdir}:/:/g
-s/:@srcdir@:/:/g
-s/^:*//
-s/:*$//
-x
-s/\(=[	 ]*\).*/\1/
-G
-s/\n//
-s/^[^=]*=[	 ]*$//
-}'
-fi
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-fi # test -n "$CONFIG_FILES"
-
-# Set up the scripts for CONFIG_HEADERS section.
-# No need to generate them if there are no CONFIG_HEADERS.
-# This happens for instance with './config.status Makefile'.
-if test -n "$CONFIG_HEADERS"; then
-cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
-BEGIN {
-_ACEOF
-
-# Transform confdefs.h into an awk script 'defines.awk', embedded as
-# here-document in config.status, that substitutes the proper values into
-# config.h.in to produce config.h.
-
-# Create a delimiter string that does not exist in confdefs.h, to ease
-# handling of long lines.
-ac_delim='%!_!# '
-for ac_last_try in false false :; do
-  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_tt"; then
-    break
-  elif $ac_last_try; then
-    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
-  else
-    ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
-  fi
-done
-
-# For the awk script, D is an array of macro values keyed by name,
-# likewise P contains macro parameters if any.  Preserve backslash
-# newline sequences.
-
-ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]*
-sed -n '
-s/.\{148\}/&'"$ac_delim"'/g
-t rset
-:rset
-s/^[	 ]*#[	 ]*define[	 ][	 ]*/ /
-t def
-d
-:def
-s/\\$//
-t bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3"/p
-s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2"/p
-d
-:bsnl
-s/["\\]/\\&/g
-s/^ \('"$ac_word_re"'\)\(([^()]*)\)[	 ]*\(.*\)/P["\1"]="\2"\
-D["\1"]=" \3\\\\\\n"\\/p
-t cont
-s/^ \('"$ac_word_re"'\)[	 ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p
-t cont
-d
-:cont
-n
-s/.\{148\}/&'"$ac_delim"'/g
-t clear
-:clear
-s/\\$//
-t bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/"/p
-d
-:bsnlc
-s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
-b cont
-' <confdefs.h | sed '
-s/'"$ac_delim"'/"\\\
-"/g' >>$CONFIG_STATUS || ac_write_fail=1
-
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-  for (key in D) D_is_set[key] = 1
-  FS = "�"
-}
-/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ {
-  line = \$ 0
-  split(line, arg, " ")
-  if (arg[1] == "#") {
-    defundef = arg[2]
-    mac1 = arg[3]
-  } else {
-    defundef = substr(arg[1], 2)
-    mac1 = arg[2]
-  }
-  split(mac1, mac2, "(") #)
-  macro = mac2[1]
-  prefix = substr(line, 1, index(line, defundef) - 1)
-  if (D_is_set[macro]) {
-    # Preserve the white space surrounding the "#".
-    print prefix "define", macro P[macro] D[macro]
-    next
-  } else {
-    # Replace #undef with comments.  This is necessary, for example,
-    # in the case of _POSIX_SOURCE, which is predefined and required
-    # on some systems where configure will not decide to define it.
-    if (defundef == "undef") {
-      print "/*", prefix defundef, macro, "*/"
-      next
-    }
-  }
-}
-{ print }
-_ACAWK
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
-fi # test -n "$CONFIG_HEADERS"
-
-
-eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
-shift
-for ac_tag
-do
-  case $ac_tag in
-  :[FHLC]) ac_mode=$ac_tag; continue;;
-  esac
-  case $ac_mode$ac_tag in
-  :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag '$ac_tag'" "$LINENO" 5;;
-  :[FH]-) ac_tag=-:-;;
-  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
-  esac
-  ac_save_IFS=$IFS
-  IFS=:
-  set x $ac_tag
-  IFS=$ac_save_IFS
-  shift
-  ac_file=$1
-  shift
-
-  case $ac_mode in
-  :L) ac_source=$1;;
-  :[FH])
-    ac_file_inputs=
-    for ac_f
-    do
-      case $ac_f in
-      -) ac_f="$ac_tmp/stdin";;
-      *) # Look for the file first in the build tree, then in the source tree
-	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain ':'.
-	 test -f "$ac_f" ||
-	   case $ac_f in
-	   [\\/$]*) false;;
-	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
-	   esac ||
-	   as_fn_error 1 "cannot find input file: '$ac_f'" "$LINENO" 5;;
-      esac
-      case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
-      as_fn_append ac_file_inputs " '$ac_f'"
-    done
-
-    # Let's still pretend it is 'configure' which instantiates (i.e., don't
-    # use $as_me), people would be surprised to read:
-    #    /* config.h.  Generated by config.status.  */
-    configure_input='Generated from '`
-	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
-	`' by configure.'
-    if test x"$ac_file" != x-; then
-      configure_input="$ac_file.  $configure_input"
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-printf "%s\n" "$as_me: creating $ac_file" >&6;}
-    fi
-    # Neutralize special characters interpreted by sed in replacement strings.
-    case $configure_input in #(
-    *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`printf "%s\n" "$configure_input" |
-       sed 's/[\\\\&|]/\\\\&/g'`;; #(
-    *) ac_sed_conf_input=$configure_input;;
-    esac
-
-    case $ac_tag in
-    *:-:* | *:-) cat >"$ac_tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
-    esac
-    ;;
-  esac
-
-  ac_dir=`$as_dirname -- "$ac_file" ||
-$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$ac_file" : 'X\(//\)[^/]' \| \
-	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$ac_file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-  as_dir="$ac_dir"; as_fn_mkdir_p
-  ac_builddir=.
-
-case "$ac_dir" in
-.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
-*)
-  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
-  # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
-  case $ac_top_builddir_sub in
-  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
-  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
-  esac ;;
-esac
-ac_abs_top_builddir=$ac_pwd
-ac_abs_builddir=$ac_pwd$ac_dir_suffix
-# for backward compatibility:
-ac_top_builddir=$ac_top_build_prefix
-
-case $srcdir in
-  .)  # We are building in place.
-    ac_srcdir=.
-    ac_top_srcdir=$ac_top_builddir_sub
-    ac_abs_top_srcdir=$ac_pwd ;;
-  [\\/]* | ?:[\\/]* )  # Absolute name.
-    ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir
-    ac_abs_top_srcdir=$srcdir ;;
-  *) # Relative name.
-    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_build_prefix$srcdir
-    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
-esac
-ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
-
-
-  case $ac_mode in
-  :F)
-  #
-  # CONFIG_FILE
-  #
-
-  case $INSTALL in
-  [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
-  *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
-  esac
-  ac_MKDIR_P=$MKDIR_P
-  case $MKDIR_P in
-  [\\/$]* | ?:[\\/]* ) ;;
-  */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
-  esac
-_ACEOF
-
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-# If the template does not know about datarootdir, expand it.
-# FIXME: This hack should be removed a few years after 2.60.
-ac_datarootdir_hack=; ac_datarootdir_seen=
-ac_sed_dataroot='
-/datarootdir/ {
-  p
-  q
-}
-/@datadir@/p
-/@docdir@/p
-/@infodir@/p
-/@localedir@/p
-/@mandir@/p'
-case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
-*datarootdir*) ac_datarootdir_seen=yes;;
-*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
-_ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-  ac_datarootdir_hack='
-  s&@datadir@&$datadir&g
-  s&@docdir@&$docdir&g
-  s&@infodir@&$infodir&g
-  s&@localedir@&$localedir&g
-  s&@mandir@&$mandir&g
-  s&\\\${datarootdir}&$datarootdir&g' ;;
-esac
-_ACEOF
-
-# Neutralize VPATH when '$srcdir' = '.'.
-# Shell code in configure.ac might set extrasub.
-# FIXME: do we really want to maintain this feature?
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-ac_sed_extra="$ac_vpsub
-$extrasub
-_ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-:t
-/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
-s|@configure_input@|$ac_sed_conf_input|;t t
-s&@top_builddir@&$ac_top_builddir_sub&;t t
-s&@top_build_prefix@&$ac_top_build_prefix&;t t
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-# GNU Libtool is distributed in the hope that it will be useful, but
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-# Symbols that must always be exported.
-include_expsyms=$lt_include_expsyms
-
-# Commands necessary for linking programs (against libraries) with templates.
-prelink_cmds=$lt_prelink_cmds
-
-# Commands necessary for finishing linking programs.
-postlink_cmds=$lt_postlink_cmds
-
-# Specify filename containing input files.
-file_list_spec=$lt_file_list_spec
-
-# How to hardcode a shared library path into an executable.
-hardcode_action=$hardcode_action
-
-# ### END LIBTOOL CONFIG
-
-_LT_EOF
-
-    cat <<'_LT_EOF' >> "$cfgfile"
-
-# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
-
-# func_munge_path_list VARIABLE PATH
-# -----------------------------------
-# VARIABLE is name of variable containing _space_ separated list of
-# directories to be munged by the contents of PATH, which is string
-# having a format:
-# "DIR[:DIR]:"
-#       string "DIR[ DIR]" will be prepended to VARIABLE
-# ":DIR[:DIR]"
-#       string "DIR[ DIR]" will be appended to VARIABLE
-# "DIRP[:DIRP]::[DIRA:]DIRA"
-#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
-#       "DIRA[ DIRA]" will be appended to VARIABLE
-# "DIR[:DIR]"
-#       VARIABLE will be replaced by "DIR[ DIR]"
-func_munge_path_list ()
-{
-    case x$2 in
-    x)
-        ;;
-    *:)
-        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
-        ;;
-    x:*)
-        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
-        ;;
-    *::*)
-        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
-        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
-        ;;
-    *)
-        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
-        ;;
-    esac
-}
-
-
-# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
-func_cc_basename ()
-{
-    for cc_temp in $*""; do
-      case $cc_temp in
-        compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
-        distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
-        \-*) ;;
-        *) break;;
-      esac
-    done
-    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
-}
-
-
-# ### END FUNCTIONS SHARED WITH CONFIGURE
-
-_LT_EOF
-
-  case $host_os in
-  aix3*)
-    cat <<\_LT_EOF >> "$cfgfile"
-# AIX sometimes has problems with the GCC collect2 program.  For some
-# reason, if we set the COLLECT_NAMES environment variable, the problems
-# vanish in a puff of smoke.
-if test set != "${COLLECT_NAMES+set}"; then
-  COLLECT_NAMES=
-  export COLLECT_NAMES
 fi
-_LT_EOF
-    ;;
-  esac
 
 
 
-ltmain=$ac_aux_dir/ltmain.sh
-
 
-  # We use sed instead of cat because bash on DJGPP gets confused if
-  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
-  # text mode, it properly converts lines to CR/LF.  This bash problem
-  # is reportedly fixed, but why not run on old versions too?
-  $SED '$q' "$ltmain" >> "$cfgfile" \
-     || (rm -f "$cfgfile"; exit 1)
-
-   mv -f "$cfgfile" "$ofile" ||
-    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
-  chmod +x "$ofile"
 
- ;;
-    "po-directories":C)
-    for ac_file in $CONFIG_FILES; do
-      # Support "outfile[:infile[:infile...]]"
-      case "$ac_file" in
-        *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
-      esac
-      # PO directories have a Makefile.in generated from Makefile.in.in.
-      case "$ac_file" in */Makefile.in)
-        # Adjust a relative srcdir.
-        ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
-        ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'`
-        ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
-        # In autoconf-2.13 it is called $ac_given_srcdir.
-        # In autoconf-2.50 it is called $srcdir.
-        test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
-        case "$ac_given_srcdir" in
-          .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
-          /*) top_srcdir="$ac_given_srcdir" ;;
-          *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
-        esac
-        # Treat a directory as a PO directory if and only if it has a
-        # POTFILES.in file. This allows packages to have multiple PO
-        # directories under different names or in different locations.
-        if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
-          rm -f "$ac_dir/POTFILES"
-          test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
-          gt_tab=`printf '\t'`
-          cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ${gt_tab}]*\$/d" -e "s,.*,     $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
-          POMAKEFILEDEPS="POTFILES.in"
-          # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend
-          # on $ac_dir but don't depend on user-specified configuration
-          # parameters.
-          if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
-            # The LINGUAS file contains the set of available languages.
-            if test -n "$OBSOLETE_ALL_LINGUAS"; then
-              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
-            fi
-            ALL_LINGUAS=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"`
-            POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS"
-          else
-            # The set of available languages was given in configure.in.
-            ALL_LINGUAS=$OBSOLETE_ALL_LINGUAS
-          fi
-          # Compute POFILES
-          # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po)
-          # Compute UPDATEPOFILES
-          # as      $(foreach lang, $(ALL_LINGUAS), $(lang).po-update)
-          # Compute DUMMYPOFILES
-          # as      $(foreach lang, $(ALL_LINGUAS), $(lang).nop)
-          # Compute GMOFILES
-          # as      $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo)
-          case "$ac_given_srcdir" in
-            .) srcdirpre= ;;
-            *) srcdirpre='$(srcdir)/' ;;
-          esac
-          POFILES=
-          UPDATEPOFILES=
-          DUMMYPOFILES=
-          GMOFILES=
-          for lang in $ALL_LINGUAS; do
-            POFILES="$POFILES $srcdirpre$lang.po"
-            UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
-            DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
-            GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
-          done
-          # CATALOGS depends on both $ac_dir and the user's LINGUAS
-          # environment variable.
-          INST_LINGUAS=
-          if test -n "$ALL_LINGUAS"; then
-            for presentlang in $ALL_LINGUAS; do
-              useit=no
-              if test "%UNSET%" != "$LINGUAS"; then
-                desiredlanguages="$LINGUAS"
-              else
-                desiredlanguages="$ALL_LINGUAS"
-              fi
-              for desiredlang in $desiredlanguages; do
-                # Use the presentlang catalog if desiredlang is
-                #   a. equal to presentlang, or
-                #   b. a variant of presentlang (because in this case,
-                #      presentlang can be used as a fallback for messages
-                #      which are not translated in the desiredlang catalog).
-                case "$desiredlang" in
-                  "$presentlang"*) useit=yes;;
-                esac
-              done
-              if test $useit = yes; then
-                INST_LINGUAS="$INST_LINGUAS $presentlang"
-              fi
-            done
-          fi
-          CATALOGS=
-          if test -n "$INST_LINGUAS"; then
-            for lang in $INST_LINGUAS; do
-              CATALOGS="$CATALOGS $lang.gmo"
-            done
-          fi
-          test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
-          sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
-          for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
-            if test -f "$f"; then
-              case "$f" in
-                *.orig | *.bak | *~) ;;
-                *) cat "$f" >> "$ac_dir/Makefile" ;;
-              esac
-            fi
-          done
-        fi
-        ;;
-      esac
-    done ;;
-
-  esac
-done # for ac_tag
-
-
-as_fn_exit 0
-_ACEOF
-ac_clean_files=$ac_clean_files_save
-
-test $ac_write_fail = 0 ||
-  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
-
-
-# configure is writing to config.log, and then calls config.status.
-# config.status does its own redirection, appending to config.log.
-# Unfortunately, on DOS this fails, as config.log is still kept open
-# by configure, so config.status won't be able to write to it; its
-# output is simply discarded.  So we exec the FD to /dev/null,
-# effectively closing config.log, so it can be properly (re)opened and
-# appended to by config.status.  When coming back to configure, we
-# need to make the FD available again.
-if test "$no_create" != yes; then
-  ac_cs_success=:
-  ac_config_status_args=
-  test "$silent" = yes &&
-    ac_config_status_args="$ac_config_status_args --quiet"
-  exec 5>/dev/null
-  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
-  exec 5>>config.log
-  # Use ||, not &&, to avoid exiting from the if with $? = 1, which
-  # would make configure fail if this is the last instruction.
-  $ac_cs_success || as_fn_exit 1
-fi
-if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
-fi
-
-
-
-	if test "x$enable_linux_experimental" = "xyes" && \
-	    test "x$kern_max_version_ok" != "xyes"
-then :
-
-		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING:
-
-	You are building OpenZFS against Linux version $kernsrcver.
-
-	This combination is considered EXPERIMENTAL by the OpenZFS project.
-	Even if it appears to build and run correctly, there may be bugs that
-	can cause SERIOUS DATA LOSS.
-
-	YOU HAVE BEEN WARNED!
-
-	If you choose to continue, we'd appreciate if you could report your
-	results on the OpenZFS issue tracker at:
-
-	    https://github.com/openzfs/zfs/issues/new
-
-	Your feedback will help us prepare a new OpenZFS release that supports
-	this version of Linux.
-		" >&5
-printf "%s\n" "$as_me: WARNING:
-
-	You are building OpenZFS against Linux version $kernsrcver.
-
-	This combination is considered EXPERIMENTAL by the OpenZFS project.
-	Even if it appears to build and run correctly, there may be bugs that
-	can cause SERIOUS DATA LOSS.
-
-	YOU HAVE BEEN WARNED!
-
-	If you choose to continue, we'd appreciate if you could report your
-	results on the OpenZFS issue tracker at:
-
-	    https://github.com/openzfs/zfs/issues/new
-
-	Your feedback will help us prepare a new OpenZFS release that supports
-	this version of Linux.
-		" >&2;}
+ac_config_files="$ac_config_files Makefile include/Makefile module/Kbuild module/Makefile zfs.release"
 
-fi
 
 
diff -Npaur /usr/src/zfs-2.3.4/configure.ac zfs-2.3.4/configure.ac
--- /usr/src/zfs-2.3.4/configure.ac	2025-08-12 12:55:03.000000000 -0400
+++ zfs-2.3.4/configure.ac	2025-08-12 12:55:03.000000000 -0400
@@ -64,6 +64,7 @@ ZFS_AC_DEBUGINFO
 ZFS_AC_DEBUG_KMEM
 ZFS_AC_DEBUG_KMEM_TRACKING
 ZFS_AC_DEBUG_INVARIANTS
+ZFS_AC_OBJTOOL_WERROR
 
 AC_CONFIG_FILES([
 	Makefile
@@ -73,7 +74,3 @@ AC_CONFIG_FILES([
 	zfs.release
 ])
 
-
-AC_OUTPUT
-
-ZFS_AC_KERNEL_VERSION_WARNING
diff -Npaur /usr/src/zfs-2.3.4/include/Makefile.in zfs-2.3.4/include/Makefile.in
--- /usr/src/zfs-2.3.4/include/Makefile.in	2025-08-12 12:55:03.000000000 -0400
+++ zfs-2.3.4/include/Makefile.in	2025-08-12 12:55:03.000000000 -0400
@@ -564,7 +564,6 @@ GMSGFMT_015 = @GMSGFMT_015@
 GREP = @GREP@
 IMPLICIT_FALLTHROUGH = @IMPLICIT_FALLTHROUGH@
 INFINITE_RECURSION = @INFINITE_RECURSION@
-INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
@@ -600,7 +599,6 @@ LIBFETCH_LIBS = @LIBFETCH_LIBS@
 LIBFETCH_SONAME = @LIBFETCH_SONAME@
 LIBICONV = @LIBICONV@
 LIBINTL = @LIBINTL@
-LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBTIRPC_CFLAGS = @LIBTIRPC_CFLAGS@
 LIBTIRPC_LIBS = @LIBTIRPC_LIBS@
@@ -623,7 +621,6 @@ LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
 LTLIBINTL = @LTLIBINTL@
-LTLIBOBJS = @LTLIBOBJS@
 LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
 MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
@@ -641,6 +638,7 @@ NO_IPA_SRA = @NO_IPA_SRA@
 NO_OMIT_FRAME_POINTER = @NO_OMIT_FRAME_POINTER@
 OBJDUMP = @OBJDUMP@
 OBJEXT = @OBJEXT@
+OBJTOOL_DISABLE_WERROR = @OBJTOOL_DISABLE_WERROR@
 OTOOL = @OTOOL@
 OTOOL64 = @OTOOL64@
 PACKAGE = @PACKAGE@
@@ -708,10 +706,7 @@ ZFS_META_VERSION = @ZFS_META_VERSION@
 ZLIB_CFLAGS = @ZLIB_CFLAGS@
 ZLIB_LIBS = @ZLIB_LIBS@
 ZLIB_PC = @ZLIB_PC@
-abs_builddir = @abs_builddir@
-abs_srcdir = @abs_srcdir@
-abs_top_builddir = @abs_top_builddir@
-abs_top_srcdir = @abs_top_srcdir@
+abs_objtool_binary = @abs_objtool_binary@
 ac_ct_AR = @ac_ct_AR@
 ac_ct_CC = @ac_ct_CC@
 ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
@@ -731,7 +726,6 @@ build_alias = @build_alias@
 build_cpu = @build_cpu@
 build_os = @build_os@
 build_vendor = @build_vendor@
-builddir = @builddir@
 datadir = @datadir@
 datarootdir = @datarootdir@
 docdir = @docdir@
@@ -771,7 +765,6 @@ pythonsitedir = @pythonsitedir@
 runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
-srcdir = @srcdir@
 sysconfdir = @sysconfdir@
 systemdgeneratordir = @systemdgeneratordir@
 systemdpresetdir = @systemdpresetdir@
@@ -781,9 +774,6 @@ target_alias = @target_alias@
 target_cpu = @target_cpu@
 target_os = @target_os@
 target_vendor = @target_vendor@
-top_build_prefix = @top_build_prefix@
-top_builddir = @top_builddir@
-top_srcdir = @top_srcdir@
 udevdir = @udevdir@
 udevruledir = @udevruledir@
 zfsexecdir = @zfsexecdir@
diff -Npaur /usr/src/zfs-2.3.4/Makefile.in zfs-2.3.4/Makefile.in
--- /usr/src/zfs-2.3.4/Makefile.in	2025-08-12 12:55:03.000000000 -0400
+++ zfs-2.3.4/Makefile.in	2025-08-12 12:55:03.000000000 -0400
@@ -511,7 +511,6 @@ GMSGFMT_015 = @GMSGFMT_015@
 GREP = @GREP@
 IMPLICIT_FALLTHROUGH = @IMPLICIT_FALLTHROUGH@
 INFINITE_RECURSION = @INFINITE_RECURSION@
-INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
@@ -547,7 +546,6 @@ LIBFETCH_LIBS = @LIBFETCH_LIBS@
 LIBFETCH_SONAME = @LIBFETCH_SONAME@
 LIBICONV = @LIBICONV@
 LIBINTL = @LIBINTL@
-LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBTIRPC_CFLAGS = @LIBTIRPC_CFLAGS@
 LIBTIRPC_LIBS = @LIBTIRPC_LIBS@
@@ -570,7 +568,6 @@ LIPO = @LIPO@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
 LTLIBINTL = @LTLIBINTL@
-LTLIBOBJS = @LTLIBOBJS@
 LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
 MAINT = @MAINT@
 MAKEINFO = @MAKEINFO@
@@ -588,6 +585,7 @@ NO_IPA_SRA = @NO_IPA_SRA@
 NO_OMIT_FRAME_POINTER = @NO_OMIT_FRAME_POINTER@
 OBJDUMP = @OBJDUMP@
 OBJEXT = @OBJEXT@
+OBJTOOL_DISABLE_WERROR = @OBJTOOL_DISABLE_WERROR@
 OTOOL = @OTOOL@
 OTOOL64 = @OTOOL64@
 PACKAGE = @PACKAGE@
@@ -655,10 +653,7 @@ ZFS_META_VERSION = @ZFS_META_VERSION@
 ZLIB_CFLAGS = @ZLIB_CFLAGS@
 ZLIB_LIBS = @ZLIB_LIBS@
 ZLIB_PC = @ZLIB_PC@
-abs_builddir = @abs_builddir@
-abs_srcdir = @abs_srcdir@
-abs_top_builddir = @abs_top_builddir@
-abs_top_srcdir = @abs_top_srcdir@
+abs_objtool_binary = @abs_objtool_binary@
 ac_ct_AR = @ac_ct_AR@
 ac_ct_CC = @ac_ct_CC@
 ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
@@ -678,7 +673,6 @@ build_alias = @build_alias@
 build_cpu = @build_cpu@
 build_os = @build_os@
 build_vendor = @build_vendor@
-builddir = @builddir@
 datadir = @datadir@
 datarootdir = @datarootdir@
 docdir = @docdir@
@@ -718,7 +712,6 @@ pythonsitedir = @pythonsitedir@
 runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
-srcdir = @srcdir@
 sysconfdir = @sysconfdir@
 systemdgeneratordir = @systemdgeneratordir@
 systemdpresetdir = @systemdpresetdir@
@@ -728,9 +721,6 @@ target_alias = @target_alias@
 target_cpu = @target_cpu@
 target_os = @target_os@
 target_vendor = @target_vendor@
-top_build_prefix = @top_build_prefix@
-top_builddir = @top_builddir@
-top_srcdir = @top_srcdir@
 udevdir = @udevdir@
 udevruledir = @udevruledir@
 zfsexecdir = @zfsexecdir@
diff -Npaur /usr/src/zfs-2.3.4/module/Makefile.in zfs-2.3.4/module/Makefile.in
--- /usr/src/zfs-2.3.4/module/Makefile.in	2025-08-12 12:55:03.000000000 -0400
+++ zfs-2.3.4/module/Makefile.in	2025-08-07 13:10:58.000000000 -0400
@@ -57,6 +57,7 @@ modules-Linux:
 		$(if @KERNEL_LD@,LD=@KERNEL_LD@) $(if @KERNEL_LLVM@,LLVM=@KERNEL_LLVM@) \
 		$(if @KERNEL_CROSS_COMPILE@,CROSS_COMPILE=@KERNEL_CROSS_COMPILE@) \
 		$(if @KERNEL_ARCH@,ARCH=@KERNEL_ARCH@) \
+		$(if @OBJTOOL_DISABLE_WERROR@,objtool=@abs_top_builddir@/scripts/objtool-wrapper) \
 		M="$$PWD" @KERNEL_MAKE@ CONFIG_ZFS=m modules
 
 modules-FreeBSD:

[satmandu]

I just realized that #17456 introduced scripts/objtool-wrapper.

Maybe my dkms packaging needs to include that?

[satmandu]

That's not it. My guess is that the configure script is crashing, which results in a Makefile in the /usr/src/zfs-2.3.4 dir never getting created.

That's why the last line we see is checking whether objtool error on warning behavior is enabled... no.

Any ideas on what to try next?

[satmandu]

Here's the config.log from building more recently with this:

./configure --enable-linux-experimental --disable-dependency-tracking --prefix=/usr --with-config=kernel

The configure script happily exits without creating any Makefiles.
config.log

[satmandu]

(I'd note also that this is very likely an issue with the vagaries of updating the debian packaging, and not in any way an issue with the relevant PRs that I'm having to revert to get this to work on my system.)

[satmandu]

@john-cabaj Is there something obvious I'm missing here? I defer to your expertise in packaging zfs for Ubuntu...

[AttilaFueloep]

I just realized that #17456 introduced scripts/objtool-wrapper.

Maybe my dkms packaging needs to include that?

No, its only needed for building and is generated by configure.

That's not it. My guess is that the configure script is crashing, which results in a Makefile in the /usr/src/zfs-2.3.4 dir never getting created.

That was my guess as well, after sleeping over it.

The configure script happily exits without creating any Makefiles.

Yeah, that's definitely the problem.

(I'd note also that this is very likely an issue with the vagaries of updating the debian packaging, and not in any way an issue with the relevant PRs that I'm having to revert to get this to work on my system.)

Well, I'm not so sure. I've to dig deeper as to why this happens, but that's something for the evening.

[AttilaFueloep]

I think I may have found the bug, let me check it out.

[AttilaFueloep]

Nope, that wasn't it.

[bjin]

I fixed this issue by reverting the following two commits:

• 86bf73c
• 1d293b3

[AttilaFueloep]

Seems to be another incarnation of #17321, probably caused by torvalds/linux@13b2548.

@bjin In 0001-only-build-the-module-in-dkms.conf.patch I see this:

-MAKE[0]="make"
+MAKE[0]="make -C module/"

I'm not fluent in PKGBUILD, would it be possible to temporarily revert this to make sure that the assumption above is right?

@satmandu What does your scripts/dkms.mkconf and dkms.conf (inside the zfs dkms source) look like?