Provide wrapper script for the gcov-tool.

Author: sobomax

.github/workflows/linux.yml

@@ -21,6 +21,7 @@ jobs:
     env:
       COMPILER: ${{ matrix.compiler }}
       TEST_TYPE: ${{ matrix.test_type }}
+      OS: ${{ matrix.os }}
 
     strategy:
       matrix:
@@ -61,6 +62,7 @@ jobs:
           make do-test-cmake
 
       - name: Coveralls Parallel
+        if: matrix.os != 'ubuntu-20.04' || matrix.compiler != 'clang'
         uses: coverallsapp/github-action@master
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}

GNUmakefile

@@ -121,21 +121,25 @@ do-test:
 	  MGW64_PREF="${MGW64_PREF}" sh -x ./scripts/do-test.sh
 	env ${TT_VAR} sh -x ./scripts/do-test-run.sh
 ifdef CI_COVERAGE
-	mkdir digger_lcov
-	if [ $(CC) = "gcc" ]; then GCOV_CMD="gcov"; else GCOV_CMD="llvm-cov gcov"; llvm-cov --version; fi; \
-	  lcov --directory . --capture --output-file digger_lcov/digger.info \
-	   --gcov-tool "$${GCOV_CMD}"
+	if [ "${OS}" != "ubuntu-20.04" -o "${COMPILER}" != "clang" ]; \
+        then \
+		mkdir digger_lcov; \
+		lcov --directory . --capture --output-file digger_lcov/digger.info \
+		  --gcov-tool ${GITHUB_WORKSPACE}/scripts/gen-test-coverage.sh; \
+	fi
 endif
 
 do-test-cmake:
 	sh -x ./scripts/do-test-cmmn.sh
 	sh -x ./scripts/do-test-cmake.sh
 	env ${TT_VAR} sh -x ./scripts/do-test-run.sh
 ifdef CI_COVERAGE
-	mkdir digger_lcov
-	if [ $(CC) = "gcc" ]; then GCOV_CMD="gcov"; else GCOV_CMD="llvm-cov gcov"; llvm-cov --version; fi; \
-	  lcov --directory . --capture --output-file digger_lcov/digger.info \
-	   --gcov-tool "$${GCOV_CMD}"
+	if [ "${OS}" != "ubuntu-20.04" -o "${COMPILER}" != "clang" ]; \
+	then \
+		mkdir digger_lcov; \
+		lcov --directory . --capture --output-file digger_lcov/digger.info \
+		  --gcov-tool ${GITHUB_WORKSPACE}/scripts/gen-test-coverage.sh; \
+	fi
 endif
 
 coverage-report:

scripts/gen-test-coverage.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+set -e
+
+if [ "${CC}" = "clang" ]
+then
+  echo llvm-cov gcov "${@}" >&2
+  exec llvm-cov gcov "${@}"
+fi
+echo gcov "${@}" >&2
+exec gcov "${@}"
+