From: Sebastian Harl <sh@tokkee.org>
Date: Sat, 21 Dec 2013 20:08:43 +0000 (+0100)
Subject: build system: Added --enable-gcov configure option.
X-Git-Tag: sysdb-0.1.0~293
X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=commitdiff_plain;h=0ad163769f0e9ebd07fa9978bf2978bd6012781f

build system: Added --enable-gcov configure option.
---

diff --git a/configure.ac b/configure.ac
index b7a07e6..8620ff8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -185,6 +185,46 @@ 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="$enableval"],
+		[enable_gcov="no"])
+
+COVERAGE_CFLAGS=""
+COVERAGE_LDFLAGS=""
+if test "x$enable_gcov" = "xyes"; 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
+fi
+AC_SUBST([COVERAGE_CFLAGS])
+AC_SUBST([COVERAGE_LDFLAGS])
+
 m4_divert_once([HELP_ENABLE], [
 Build dependencies:])
 
@@ -373,6 +413,7 @@ 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])
diff --git a/src/Makefile.am b/src/Makefile.am
index fea709e..32da635 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,8 @@
 SUBDIRS = liboconfig
 
-AM_CFLAGS = @STRICT_CFLAGS@
+# coverage related flags are only set when gcov is enabled
+AM_CFLAGS = @STRICT_CFLAGS@ @COVERAGE_CFLAGS@
+AM_LDFLAGS = @COVERAGE_LDFLAGS@
 AM_CPPFLAGS  = -Iinclude
 AM_CPPFLAGS += -DSYSCONFDIR='"${sysconfdir}"'
 AM_CPPFLAGS += -DLOCALSTATEDIR='"${localstatedir}"'
@@ -46,7 +48,7 @@ libsysdbclient_la_SOURCES = \
 		utils/strbuf.c include/utils/strbuf.h
 libsysdbclient_la_CFLAGS = $(AM_CFLAGS)
 libsysdbclient_la_CPPFLAGS = $(AM_CPPFLAGS) $(LTDLINCL)
-libsysdbclient_la_LDFLAGS = -version-info 0:0:0 -pthread
+libsysdbclient_la_LDFLAGS = $(AM_LDFLAGS) -version-info 0:0:0 -pthread
 libsysdbclient_la_LIBADD = $(LIBLTDL)
 
 libsysdb_la_SOURCES = \
@@ -69,7 +71,7 @@ libsysdb_la_SOURCES = \
 		utils/unixsock.c include/utils/unixsock.h
 libsysdb_la_CFLAGS = $(AM_CFLAGS)
 libsysdb_la_CPPFLAGS = $(AM_CPPFLAGS) $(LTDLINCL)
-libsysdb_la_LDFLAGS = -version-info 0:0:0 -pthread
+libsysdb_la_LDFLAGS = $(AM_LDFLAGS) -version-info 0:0:0 -pthread
 libsysdb_la_LIBADD = $(LIBLTDL) -lrt liboconfig/liboconfig.la
 libsysdb_la_DEPENDENCIES = liboconfig/liboconfig.la
 
@@ -117,7 +119,7 @@ pkgcnamelib_LTLIBRARIES =
 if BUILD_PLUGIN_COLLECTD
 pkgbackendcollectdlib_LTLIBRARIES += backend/collectd/unixsock.la
 backend_collectd_unixsock_la_SOURCES = backend/collectd/unixsock.c
-backend_collectd_unixsock_la_LDFLAGS = -module -avoid-version
+backend_collectd_unixsock_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version
 libsysdb_la_LIBADD += -dlopen backend/collectd/unixsock.la
 libsysdb_la_DEPENDENCIES += backend/collectd/unixsock.la
 endif
@@ -125,7 +127,7 @@ endif
 if BUILD_PLUGIN_MKLIVESTATUS
 pkgbackendlib_LTLIBRARIES += backend/mk-livestatus.la
 backend_mk_livestatus_la_SOURCES = backend/mk-livestatus.c
-backend_mk_livestatus_la_LDFLAGS = -module -avoid-version
+backend_mk_livestatus_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version
 libsysdb_la_LIBADD += -dlopen backend/mk-livestatus.la
 libsysdb_la_DEPENDENCIES += backend/mk-livestatus.la
 endif
@@ -133,7 +135,7 @@ endif
 if BUILD_PLUGIN_PUPPETSTORECONFIGS
 pkgbackendpuppetlib_LTLIBRARIES += backend/puppet/store-configs.la
 backend_puppet_store_configs_la_SOURCES = backend/puppet/store-configs.c
-backend_puppet_store_configs_la_LDFLAGS = -module -avoid-version
+backend_puppet_store_configs_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version
 libsysdb_la_LIBADD += -dlopen backend/puppet/store-configs.la
 libsysdb_la_DEPENDENCIES += backend/puppet/store-configs.la
 endif
@@ -141,7 +143,7 @@ endif
 if BUILD_PLUGIN_SYSLOG
 pkglib_LTLIBRARIES += plugins/syslog.la
 plugins_syslog_la_SOURCE = plugins/syslog.c
-plugins_syslog_la_LDFLAGS = -module -avoid-version
+plugins_syslog_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version
 libsysdb_la_LIBADD += -dlopen plugins/syslog.la
 libsysdb_la_DEPENDENCIES += plugins/syslog.la
 endif
@@ -149,7 +151,7 @@ endif
 if BUILD_PLUGIN_CNAMEDNS
 pkgcnamelib_LTLIBRARIES += plugins/cname/dns.la
 plugins_cname_dns_la_SOURCE = plugins/cname/dns.c
-plugins_cname_dns_la_LDFLAGS = -module -avoid-version
+plugins_cname_dns_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version
 libsysdb_la_LIBADD += -dlopen plugins/cname/dns.la
 libsysdb_la_DEPENDENCIES += plugins/cname/dns.la
 endif