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authorTim-Philipp Müller <tim@centricular.com>2018-02-04 12:03:36 +0100
committerTim-Philipp Müller <tim@centricular.com>2018-02-05 08:26:05 +0100
commitcebe563f167c1ab507ad2c4f78d2b833b8dda87a (patch)
tree3914c80d03bffeb24bbbfe481715110b33fd9e89
parent4007aaf3a7953a9002b4921f25de62a36d3daae5 (diff)
autotools: use -fno-strict-aliasing where supported
https://bugzilla.gnome.org/show_bug.cgi?id=769183
-rw-r--r--configure.ac8
1 files changed, 6 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 9ecf0559..df624caa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -356,6 +356,10 @@ if test "x$HAVE_CXX" = "xyes"; then
fi
AC_SUBST(VISIBILITY_CXXFLAGS)
+dnl disable strict aliasing
+AS_COMPILER_FLAG([-fno-strict-aliasing], [EXTRA_CFLAGS="-fno-strict-aliasing"])
+AC_SUBST(EXTRA_CFLAGS)
+
dnl every flag in GST_OPTION_CFLAGS and GST_OPTION_CXXFLAGS can be overridden
dnl at make time with e.g. make ERROR_CFLAGS=""
GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
@@ -368,8 +372,8 @@ dnl prefer internal headers to already installed ones
dnl also add builddir include for enumtypes and marshal
dnl add GST_OPTION_CFLAGS, but overridable
GST_CFLAGS="$GST_CFLAGS"
-GST_CXXFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CXXFLAGS) \$(VISIBILITY_CXXFLAGS)"
-GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS) \$(VISIBILITY_CFLAGS)"
+GST_CXXFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $EXTRA_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CXXFLAGS) \$(VISIBILITY_CXXFLAGS)"
+GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS $EXTRA_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS) \$(VISIBILITY_CFLAGS)"
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_CXXFLAGS)
AC_SUBST(GST_LIBS)