Fix strict aliasing rules breakages where possible, enable -fno-strict-aliasing where the breakage is unresolvable, and not enable it globally (decreases performances).

CVS patchset: 8048
CVS date: 2006/06/17 15:20:56

9 files changed, 9 insertions, 4 deletions

diff --git a/src/libffmpeg/libavcodec/Makefile.am b/src/libffmpeg/libavcodec/Makefile.am
index 53db0d604..687f37f3e 100644
--- a/src/libffmpeg/libavcodec/Makefile.am
+++ b/src/libffmpeg/libavcodec/Makefile.am
@@ -9,7 +9,7 @@ EXTRA_DIST = motion_est_template.c \
 # we need to compile everything in debug mode, including the encoders,
 # otherwise we get unresolved symbols, because some unsatisfied function calls
 # are not optimized away with debug optimization
-AM_CFLAGS = `test "$(CFLAGS)" = "$(DEBUG_CFLAGS)" && echo -DCONFIG_ENCODERS`
+AM_CFLAGS = `test "$(CFLAGS)" = "$(DEBUG_CFLAGS)" && echo -DCONFIG_ENCODERS` -fno-strict-aliasing
 AM_CPPFLAGS = $(ZLIB_CPPFLAGS) $(LIBFFMPEG_CPPFLAGS) \
 	-I$(top_srcdir)/src/libffmpeg/libavutil
 ASFLAGS =
diff --git a/src/libffmpeg/libavcodec/alpha/Makefile.am b/src/libffmpeg/libavcodec/alpha/Makefile.am
index f0df03d75..c69106ad3 100644
--- a/src/libffmpeg/libavcodec/alpha/Makefile.am
+++ b/src/libffmpeg/libavcodec/alpha/Makefile.am
@@ -1,6 +1,7 @@
 include $(top_srcdir)/misc/Makefile.common
 
 AM_CPPFLAGS = $(LIBFFMPEG_CPPFLAGS)
+AM_CFLAGS = -fno-strict-aliasing
 
 EXTRA_DIST = asm.h \
 	dsputil_alpha.c \
diff --git a/src/libffmpeg/libavcodec/armv4l/Makefile.am b/src/libffmpeg/libavcodec/armv4l/Makefile.am
index a67ef8ea8..0f3d230f6 100644
--- a/src/libffmpeg/libavcodec/armv4l/Makefile.am
+++ b/src/libffmpeg/libavcodec/armv4l/Makefile.am
@@ -1,6 +1,6 @@
 include $(top_srcdir)/misc/Makefile.common
 
-AM_CFLAGS = -O2
+AM_CFLAGS = -O2 -fno-strict-aliasing
 AM_CPPFLAGS = $(LIBFFMPEG_CPPFLAGS)
 ASFLAGS =
 
diff --git a/src/libffmpeg/libavcodec/i386/Makefile.am b/src/libffmpeg/libavcodec/i386/Makefile.am
index 35c2dc5be..b472ec378 100644
--- a/src/libffmpeg/libavcodec/i386/Makefile.am
+++ b/src/libffmpeg/libavcodec/i386/Makefile.am
@@ -2,7 +2,7 @@ include $(top_srcdir)/misc/Makefile.common
 
 # -fomit-frame-pointer is always needed. it might cause debug to not
 # work, but at least it compiles.
-AM_CFLAGS = -fomit-frame-pointer
+AM_CFLAGS = -fomit-frame-pointer -fno-strict-aliasing
 # CFLAGS is here to filter out -funroll-loops because it causes bad
 # behavior of libavcodec
 CFLAGS := `echo @CFLAGS@ | sed -e 's/-funroll-loops//g'`
diff --git a/src/libffmpeg/libavcodec/libpostproc/Makefile.am b/src/libffmpeg/libavcodec/libpostproc/Makefile.am
index 7b0c2d484..af1976b48 100644
--- a/src/libffmpeg/libavcodec/libpostproc/Makefile.am
+++ b/src/libffmpeg/libavcodec/libpostproc/Makefile.am
@@ -2,7 +2,7 @@ include $(top_srcdir)/misc/Makefile.common
 
 # -fomit-frame-pointer is always needed. it might cause debug to not
 # work, but at least it compiles.
-AM_CFLAGS = -fomit-frame-pointer
+AM_CFLAGS = -fomit-frame-pointer -fno-strict-aliasing
 AM_CPPFLAGS = $(LIBFFMPEG_CPPFLAGS) -I$(top_srcdir)/src/libffmpeg/libavcodec  
 ASFLAGS =
 
diff --git a/src/libffmpeg/libavcodec/mlib/Makefile.am b/src/libffmpeg/libavcodec/mlib/Makefile.am
index dbe62c927..ed8b3c8d0 100644
--- a/src/libffmpeg/libavcodec/mlib/Makefile.am
+++ b/src/libffmpeg/libavcodec/mlib/Makefile.am
@@ -1,6 +1,7 @@
 include $(top_srcdir)/misc/Makefile.common
 
 AM_CPPFLAGS = $(LIBFFMPEG_CPPFLAGS) -I$(top_srcdir)/src/libffmpeg/libavutil
+AM_CFLAGS = -fno-strict-aliasing
 ASFLAGS =
 
 noinst_LTLIBRARIES = libavcodec_mlib.la
diff --git a/src/libffmpeg/libavcodec/ppc/Makefile.am b/src/libffmpeg/libavcodec/ppc/Makefile.am
index 3f9edaa25..00e796f6d 100644
--- a/src/libffmpeg/libavcodec/ppc/Makefile.am
+++ b/src/libffmpeg/libavcodec/ppc/Makefile.am
@@ -1,6 +1,7 @@
 include $(top_srcdir)/misc/Makefile.common
 
 AM_CPPFLAGS = $(LIBFFMPEG_CPPFLAGS)
+AM_CFLAGS = -fno-strict-aliasing
 # CFLAGS is here to filter out -funroll-loops because it causes bad
 # behavior of libavcodec
 CFLAGS = `echo @CFLAGS@ | sed -e 's/-funroll-loops//g'`
diff --git a/src/libffmpeg/libavcodec/sparc/Makefile.am b/src/libffmpeg/libavcodec/sparc/Makefile.am
index edf74a9b8..f52b0c10b 100644
--- a/src/libffmpeg/libavcodec/sparc/Makefile.am
+++ b/src/libffmpeg/libavcodec/sparc/Makefile.am
@@ -1,6 +1,7 @@
 include $(top_srcdir)/misc/Makefile.common
 
 AM_CPPFLAGS = $(LIBFFMPEG_CPPFLAGS) -I$(top_srcdir)/src/libffmpeg/libavutil
+AM_CFLAGS = -fno-strict-aliasing
 ASFLAGS =
 
 noinst_LTLIBRARIES = libavcodec_sparc.la
diff --git a/src/libffmpeg/libavutil/Makefile.am b/src/libffmpeg/libavutil/Makefile.am
index 1edfaa10d..fca5a2d49 100644
--- a/src/libffmpeg/libavutil/Makefile.am
+++ b/src/libffmpeg/libavutil/Makefile.am
@@ -1,6 +1,7 @@
 include $(top_srcdir)/misc/Makefile.common
 
 AM_CPPFLAGS = $(LIBFFMPEG_CPPFLAGS)
+AM_CFLAGS = -fno-strict-aliasing
 ASFLAGS =
 
 noinst_LTLIBRARIES = libavutil.la