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authorTim-Philipp Müller <tim@centricular.com>2018-02-04 12:18:06 +0100
committerTim-Philipp Müller <tim@centricular.com>2018-02-05 08:26:16 +0100
commit4d0b06f42c784c974d9534454c2d588ebf9a36bd (patch)
tree55bc004fbe947a8f29bfd0b3513e92e087d4ff95
parent18156a76fb35d7732827768c9b039cd9cc02202a (diff)
downloadgstreamer-plugins-bad-4d0b06f42c784c974d9534454c2d588ebf9a36bd.tar.gz
autotools: use -fno-strict-aliasing where supported
https://bugzilla.gnome.org/show_bug.cgi?id=769183
-rw-r--r--configure.ac10
1 files changed, 7 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index 197c4991b..3844a4c02 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2555,6 +2555,10 @@ if test "x$HAVE_CXX" = "xyes"; then
fi
AC_SUBST(VISIBILITY_CXXFLAGS)
+dnl disable strict aliasing
+AS_COMPILER_FLAG([-fno-strict-aliasing], [EXTRA_CFLAGS="-fno-strict-aliasing"])
+AC_SUBST(EXTRA_CFLAGS)
+
dnl every flag in GST_OPTION_CFLAGS and GST_OPTION_CXXFLAGS can be overridden
dnl at make time with e.g. make ERROR_CFLAGS=""
GST_OPTION_CFLAGS="\$(WARNING_CFLAGS) \$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
@@ -2569,9 +2573,9 @@ dnl prefer internal headers to already installed ones
dnl also add builddir include for enumtypes and marshal
dnl add GST_OPTION_CFLAGS, but overridable
GST_CFLAGS="$GST_CFLAGS $GST_STATIC_CFLAGS -DGST_USE_UNSTABLE_API"
-GST_CXXFLAGS="$GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CXXFLAGS) \$(VISIBILITY_CXXFLAGS)"
-GST_OBJCFLAGS="$GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_OBJCFLAGS) \$(VISIBILITY_CFLAGS)"
-GST_CFLAGS="$GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS) \$(VISIBILITY_CFLAGS)"
+GST_CXXFLAGS="$GST_CFLAGS $EXTRA_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CXXFLAGS) \$(VISIBILITY_CXXFLAGS)"
+GST_OBJCFLAGS="$GST_CFLAGS $EXTRA_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_OBJCFLAGS) \$(VISIBILITY_CFLAGS)"
+GST_CFLAGS="$GST_CFLAGS $EXTRA_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS) \$(VISIBILITY_CFLAGS)"
AC_SUBST(GST_CFLAGS)
AC_SUBST(GST_CXXFLAGS)
AC_SUBST(GST_OBJCFLAGS)