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autotools: use -fno-strict-aliasing where supported

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https://bugzilla.gnome.org/show_bug.cgi?id=769183
This commit is contained in:
Tim-Philipp Müller 2018-02-05 08:51:56 +01:00
parent abd65bfff8
commit 58043ff62c
1 changed files with 5 additions and 1 deletions
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6
configure.ac
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@ -969,6 +969,10 @@ else
fi
AC_SUBST([DEPRECATED_CFLAGS])
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) \$(DEPRECATED_CFLAGS)"
@ -979,7 +983,7 @@ 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="$GST_CFLAGS -DGST_USE_UNSTABLE_API"
GST_CFLAGS="$GST_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
GST_CFLAGS="$GST_CFLAGS $EXTRA_CFLAGS $GLIB_EXTRA_CFLAGS \$(GST_OPTION_CFLAGS)"
AC_SUBST([GST_CFLAGS])
dnl LDFLAGS really should only contain flags, not libs - they get added before