[patch] patch for similar problem in libavcodec/h264.c

mplayer-h264-c-register-fix.patch (text/plain), 1.27 KB, created by Guy Cirino on 2007-06-09 08:27:06 UTC

--- mplayer-20070427/libavcodec/Makefile-orig	2007-06-09 15:20:26.000000000 +0800
+++ mplayer-20070427/libavcodec/Makefile	2007-06-09 15:47:31.000000000 +0800
@@ -279,6 +279,25 @@
 OBJS-$(CONFIG_DVDSUB_PARSER)           += dvdsubdec.o
 OBJS-$(CONFIG_H261_PARSER)             += h261.o
 OBJS-$(CONFIG_H263_PARSER)             += h263dec.o
+###
+# This patch is derived from a debian fix, see
+#  http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2007-March/050608.html
+# for details
+#if --enable-debug is passed to MPlayer's configure, then
+#  OPTFLAGS = '-O4 -ffast-math -fomit-frame-pointer ...'
+# is replaced by '-O2...'
+# but cabac.h cannot be compiled in x86, it fails as follows
+#cabac.h:513: error: can't find a register in class 'GENERAL_REGS' while reloading 'asm'
+#
+#This was reported as a bug against GCC, in
+# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11203
+# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13850
+#but is actually not: i386 simply cannot compile that asm w/o those parameters
+ifeq ($(TARGET_ARCH_X86),yes)
+#ifneq ($(CONFIG_DEBUG),)
+h264.o : OPTFLAGS = -O4 -ffast-math -fomit-frame-pointer
+#endif
+endif
 OBJS-$(CONFIG_H264_PARSER)             += h264.o
 OBJS-$(CONFIG_MJPEG_PARSER)            += mjpeg.o
 OBJS-$(CONFIG_MPEG4VIDEO_PARSER)       += parser.o