X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=configure.ac;h=c1718a7b0681a17b378a667402c422a576a9881c;hb=96c2e44dd67bf91a246659347e9d5eb4e0c075da;hp=b7a07e662bdaf80ccfde933aaf26ce5a38cdf0ba;hpb=edba65afec8c547fb6c02346eda68595ce9a5839;p=sysdb.git

diff --git a/configure.ac b/configure.ac
index b7a07e6..c1718a7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -185,6 +185,61 @@ if test "x$enable_strict_checks" = "xyes"; then
 fi
 AC_SUBST([STRICT_CFLAGS])
 
+AC_ARG_ENABLE([gcov],
+		AS_HELP_STRING([--enable-gcov],
+				[Gcov coverage statistics @<:@default=no@:>@]),
+		[enable_gcov="$enableval"],
+		[enable_gcov="no"])
+
+dnl $GCC is based on some heuristics which might apply to clang as well.
+dnl However, clang does not support gcov.
+cc_is_gcc="no"
+case "x$CC" in
+	xgcc)
+		cc_is_gcc="yes"
+		;;
+	xgcc-*)
+		cc_is_gcc="yes"
+		;;
+esac
+
+COVERAGE_CFLAGS=""
+COVERAGE_LDFLAGS=""
+if test "x$enable_gcov" = "xyes" && test "x$GCC$cc_is_gcc" == "xyesyes"; then
+	COVERAGE_CFLAGS="-O0"
+	cov_flag_have_problem="no"
+
+	AC_MSG_CHECKING([whether $CC accepts --coverage])
+	if test_cc_flags --coverage; then
+		COVERAGE_CFLAGS="$COVERAGE_CFLAGS --coverage"
+		COVERAGE_LDFLAGS="$COVERAGE_LDFLAGS --coverage"
+		AC_MSG_RESULT([yes])
+	else
+		AC_MSG_RESULT([no])
+		cov_flag_have_problem="yes"
+	fi
+
+	for flag in -fno-inline; do
+		AC_MSG_CHECKING([whether $CC accepts $flag])
+		if test_cc_flags $flag; then
+			COVERAGE_CFLAGS="$COVERAGE_CFLAGS $flag"
+			AC_MSG_RESULT([yes])
+		else
+			AC_MSG_RESULT([no])
+			cov_flag_have_problem="yes"
+		fi
+	done
+
+	if test "x$cov_flag_have_problem" != "xno"; then
+		AC_MSG_WARN([Some coverage flags are not supported by your compiler!])
+	fi
+else if test "x$enable_gcov" = "xyes"; then
+	AC_MSG_WARN([Your compiler ($CC) is not known to support Gcov!])
+	enable_gcov="no (requires GCC)"
+fi; fi
+AC_SUBST([COVERAGE_CFLAGS])
+AC_SUBST([COVERAGE_LDFLAGS])
+
 m4_divert_once([HELP_ENABLE], [
 Build dependencies:])
 
@@ -202,7 +257,7 @@ AC_ARG_WITH([libdbi],
 if test "x$with_libdbi" = "xyes"; then
 	AC_CHECK_HEADERS([dbi/dbi.h],
 			[with_libdbi="yes"],
-			[with_libdbi="no (dbi/dbi.h) not found"])
+			[with_libdbi="no (dbi/dbi.h not found)"])
 fi
 if test "x$with_libdbi" = "xyes"; then
 	AC_CHECK_LIB([dbi], [dbi_initialize],
@@ -373,6 +428,7 @@ AC_MSG_RESULT([  Features:])
 AC_MSG_RESULT([    documentation:  . . . . . . $build_documentation])
 AC_MSG_RESULT([    unit testing: . . . . . . . $build_testing])
 AC_MSG_RESULT([      stdio mocking:  . . . . . $have_fopencookie])
+AC_MSG_RESULT([    coverage testing: . . . . . $enable_gcov])
 AC_MSG_RESULT()
 AC_MSG_RESULT([  Libraries:])
 AC_MSG_RESULT([    libdbi: . . . . . . . . . . $with_libdbi])