diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index 2381c5dd08..2acd702600 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"], |