Python: enable proj in wheels

Author: tmi

python/eckitlib/buildconfig

@@ -11,6 +11,11 @@
 # TODO we duplicate information -- pyproject.toml's `name` and `packages` are derivable from $NAME and must stay consistent
 
 NAME="eckit"
-CMAKE_PARAMS="-DENABLE_MPI=0  -DENABLE_ECKIT_GEO=1 -DENABLE_BUILD_TOOLS=OFF -DENABLE_AEC=0 -DENABLE_EIGEN=0 -DENABLE_LZ4=1"
+if [ "$(uname)" != "Darwin" ] ; then
+    PROJ_EXTRA="-DPROJ_DIR=/tmp/proj/target/lib64/cmake/proj"
+else
+    PROJ_EXTRA="" # brew install is autodiscovered fine
+fi
+CMAKE_PARAMS="-DENABLE_MPI=0  -DENABLE_ECKIT_GEO=1 -DENABLE_BUILD_TOOLS=OFF -DENABLE_AEC=0 -DENABLE_EIGEN=0 -DENABLE_LZ4=1 -DENABLE_PROJ=1 $PROJ_EXTRA"
 PYPROJECT_DIR="python/eckitlib"
 DEPENDENCIES='[]'

python/eckitlib/pre-compile.sh

@@ -15,19 +15,38 @@
 set -euo pipefail
 
 mkdir -p python/eckitlib/src/copying
-mkdir -p /tmp/eckit/target/eckit/lib64/
 
 if [ "$(uname)" != "Darwin" ] ; then
-    echo "no deps installation for platform $(uname)"
+    # echo "no deps installation for platform $(uname)"
+    prf="lib64"
+    suf="so"
     # echo "installing deps for platform $(uname)"
+    # NOTE lz4 in the base image already
     ## lz4
     # git clone https://github.com/lz4/lz4 /src/lz4 && cd /src/lz4
     # make -j10 && make install DESTDIR=/tmp/lz4
     # cd -
+    echo "installing PROJ platform $(uname)"
+    # build PROJ -- the DNF install does not seem to work out of the box, ie, cmake doesnt find it
+    VERSION="9.7.0"
+    pushd /tmp
+    wget https://download.osgeo.org/proj/proj-$VERSION.tar.gz
+    command -v md5sum >/dev/null 2>&1 && echo "MD5 (proj-$VERSION.tar.gz) = b7188aab7a22613a2f5a0bc41c4077b0" | md5sum --check
+    tar xzf proj-$VERSION.tar.gz
+    cd proj-$VERSION
+    mkdir build target && cd build
+    cmake ..
+    CMAKE_BUILD_PARALLEL_LEVEL=8 cmake --build .
+    cmake --install . --prefix /tmp/proj/target
+    popd
+
 else
     echo "no deps installation for platform $(uname)"
+    prf="lib"
+    suf="dylib"
 fi
 
-
 wget https://raw.githubusercontent.com/lz4/lz4/dev/LICENSE -O python/eckitlib/src/copying/liblz4.txt
-echo '{"liblz4": {"path": "copying/liblz4.txt", "home": "https://github.com/lz4/lz4"}}' > python/eckitlib/src/copying/list.json
+wget https://raw.githubusercontent.com/OSGeo/PROJ/refs/heads/master/COPYING -O python/eckitlib/src/copying/proj.txt
+echo '{"liblz4": {"path": "copying/liblz4.txt", "home": "https://github.com/lz4/lz4"}, "proj": {"path": "copying/proj.txt", "home": "https://github.com/OSGeo/PROJ"}}' > python/eckitlib/src/copying/list.json
+