diff --git a/.gitignore b/.gitignore index 3e5d284aa39..ebceca8737e 100644 --- a/.gitignore +++ b/.gitignore @@ -120,6 +120,7 @@ releases test_bitcoin.coverage/ total.coverage/ coverage_percent.txt +/cov_tool_wrapper.sh #build tests linux-coverage-build diff --git a/Makefile.am b/Makefile.am index 75a164f49e8..2a72c231735 100644 --- a/Makefile.am +++ b/Makefile.am @@ -65,7 +65,7 @@ OSX_PACKAGING = $(OSX_DEPLOY_SCRIPT) $(OSX_FANCY_PLIST) $(OSX_INSTALLER_ICONS) \ $(top_srcdir)/contrib/macdeploy/detached-sig-apply.sh \ $(top_srcdir)/contrib/macdeploy/detached-sig-create.sh -COVERAGE_INFO = baseline.info \ +COVERAGE_INFO = $(COV_TOOL_WRAPPER) baseline.info \ test_bitcoin_filtered.info total_coverage.info \ baseline_filtered.info functional_test.info functional_test_filtered.info \ test_bitcoin_coverage.info test_bitcoin.info fuzz.info fuzz_coverage.info @@ -192,7 +192,11 @@ LCOV_FILTER_PATTERN = \ -p "src/secp256k1" \ -p "depends" -baseline.info: +$(COV_TOOL_WRAPPER): + @echo 'exec $(COV_TOOL) "$$@"' > $(COV_TOOL_WRAPPER) + @chmod +x $(COV_TOOL_WRAPPER) + +baseline.info: $(COV_TOOL_WRAPPER) $(LCOV) -c -i -d $(abs_builddir)/src -o $@ baseline_filtered.info: baseline.info diff --git a/configure.ac b/configure.ac index 2381c5dd084..2acd702600b 100644 --- a/configure.ac +++ b/configure.ac @@ -105,6 +105,7 @@ AC_PATH_TOOL(AR, ar) AC_PATH_TOOL(RANLIB, ranlib) AC_PATH_TOOL(STRIP, strip) AC_PATH_TOOL(GCOV, gcov) +AC_PATH_TOOL(LLVM_COV, llvm-cov) AC_PATH_PROG(LCOV, lcov) dnl Python 3.5 is specified in .python-version and should be used if available, see doc/dependencies.md AC_PATH_PROGS([PYTHON], [python3.5 python3.6 python3.7 python3.8 python3 python]) @@ -680,16 +681,37 @@ if test x$use_lcov = xyes; then if test x$LCOV = x; then AC_MSG_ERROR("lcov testing requested but lcov not found") fi - if test x$GCOV = x; then - AC_MSG_ERROR("lcov testing requested but gcov not found") - fi if test x$PYTHON = x; then AC_MSG_ERROR("lcov testing requested but python not found") fi if test x$GENHTML = x; then AC_MSG_ERROR("lcov testing requested but genhtml not found") fi - LCOV="$LCOV --gcov-tool=$GCOV" + + AC_MSG_CHECKING([whether compiler is Clang]) + AC_PREPROC_IFELSE([AC_LANG_SOURCE([[ + #if defined(__clang__) && defined(__llvm__) + // Compiler is Clang + #else + # error Compiler is not Clang + #endif + ]])],[ + AC_MSG_RESULT([yes]) + if test x$LLVM_COV = x; then + AC_MSG_ERROR([lcov testing requested but llvm-cov not found]) + fi + COV_TOOL="$LLVM_COV gcov" + ],[ + AC_MSG_RESULT([no]) + if test x$GCOV = x; then + AC_MSG_ERROR([lcov testing requested but gcov not found]) + fi + COV_TOOL="$GCOV" + ]) + AC_SUBST(COV_TOOL) + AC_SUBST(COV_TOOL_WRAPPER, "cov_tool_wrapper.sh") + LCOV="$LCOV --gcov-tool $(pwd)/$COV_TOOL_WRAPPER" + AX_CHECK_LINK_FLAG([[--coverage]], [LDFLAGS="$LDFLAGS --coverage"], [AC_MSG_ERROR("lcov testing requested but --coverage linker flag does not work")]) AX_CHECK_COMPILE_FLAG([--coverage],[CXXFLAGS="$CXXFLAGS --coverage"],