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author | Allan LeSage <allanlesage@gmail.com> | 2011-12-06 19:04:27 -0600 |
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committer | Allan LeSage <allanlesage@gmail.com> | 2011-12-06 19:04:27 -0600 |
commit | b93d786ba481f09aa56e4666b378c6ac66d6850d (patch) | |
tree | 85fa6e1461fd96ae6966ca73accefcbcdc28ada4 /m4/gcov.m4 | |
parent | 31651dddeaa9dce1d51b0b78ccdcf98c118ca06e (diff) | |
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Added coverage reporting via gcov config and targets.
Diffstat (limited to 'm4/gcov.m4')
-rw-r--r-- | m4/gcov.m4 | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/m4/gcov.m4 b/m4/gcov.m4 new file mode 100644 index 0000000..1169573 --- /dev/null +++ b/m4/gcov.m4 @@ -0,0 +1,83 @@ +# Checks for existence of coverage tools: +# * gcov +# * lcov +# * genhtml +# * gcovr +# +# Sets ac_cv_check_gcov to yes if tooling is present +# and reports the executables to the variables LCOV, GCOVR and GENHTML. +AC_DEFUN([AC_TDD_GCOV], +[AC_CACHE_CHECK([whether code coverage tools are available], ac_cv_check_gcov, +[ +AC_ARG_ENABLE(gcov, + AS_HELP_STRING([--enable-gcov], + [enable coverage testing with gcov]), + [use_gcov=$enableval], [use_gcov=no]) + + if test "x$use_gcov" = "xyes"; then + # we need gcc: + if test "$GCC" != "yes"; then + AC_MSG_ERROR([GCC is required for --enable-gcov]) + fi + + # Check if ccache is being used + AC_CHECK_PROG(SHTOOL, shtool, shtool) + case `$SHTOOL path $CC` in + *ccache*[)] gcc_ccache=yes;; + *[)] gcc_ccache=no;; + esac + + if test "$gcc_ccache" = "yes" && (test -z "$CCACHE_DISABLE" || test "$CCACHE_DISABLE" != "1"); then + AC_MSG_ERROR([ccache must be disabled when --enable-gcov option is used. You can disable ccache by setting environment variable CCACHE_DISABLE=1.]) + fi + + lcov_version_list="1.6 1.7 1.8 1.9" + AC_CHECK_PROG(LCOV, lcov, lcov) + AC_CHECK_PROG(GENHTML, genhtml, genhtml) + AC_CHECK_PROG(GCOVR, gcovr, gcovr) + + if test "$LCOV"; then + AC_CACHE_CHECK([for lcov version], glib_cv_lcov_version, [ + glib_cv_lcov_version=invalid + lcov_version=`$LCOV -v 2>/dev/null | $SED -e 's/^.* //'` + for lcov_check_version in $lcov_version_list; do + if test "$lcov_version" = "$lcov_check_version"; then + glib_cv_lcov_version="$lcov_check_version (ok)" + fi + done + ]) + else + lcov_msg="To enable code coverage reporting you must have one of the following lcov versions installed: $lcov_version_list" + AC_MSG_ERROR([$lcov_msg]) + fi + + case $glib_cv_lcov_version in + ""|invalid[)] + lcov_msg="You must have one of the following versions of lcov: $lcov_version_list (found: $lcov_version)." + AC_MSG_ERROR([$lcov_msg]) + LCOV="exit 0;" + ;; + esac + + if test -z "$GENHTML"; then + AC_MSG_ERROR([Could not find genhtml from the lcov package]) + fi + + if test -z "$GCOVR"; then + AC_MSG_ERROR([Could not find gcovr; easy_install (or pip) gcovr]) + fi + + + # Remove all optimization flags from CFLAGS + changequote({,}) + CFLAGS=`echo "$CFLAGS" | $SED -e 's/-O[0-9]*//g'` + changequote([,]) + + # Add the special gcc flags + COVERAGE_CFLAGS="-O0 -fprofile-arcs -ftest-coverage" + COVERAGE_CXXFLAGS="-O0 -fprofile-arcs -ftest-coverage" + COVERAGE_LDFLAGS="-lgcov" + +fi +])]) # AC_TDD_GCOV + |