add the attribute used to some variables, so gcc 3.4 does not remove them;
gcc 3.2.3 ignores the attribute.

diff -dur ffmpeg-0.4.8/libavcodec/i386/dsputil_mmx.c ffmpeg-0.4.8-patch/libavcodec/i386/dsputil_mmx.c
--- ffmpeg-0.4.8/libavcodec/i386/dsputil_mmx.c	2003-09-28 17:26:40.000000000 +0200
+++ ffmpeg-0.4.8-patch/libavcodec/i386/dsputil_mmx.c	2004-06-14 17:17:20.000000000 +0200
@@ -29,8 +29,8 @@
 static const uint64_t mm_wone __attribute__ ((aligned(8))) = 0x0001000100010001ULL;
 static const uint64_t mm_wtwo __attribute__ ((aligned(8))) = 0x0002000200020002ULL;
 
-static const uint64_t ff_pw_20 __attribute__ ((aligned(8))) = 0x0014001400140014ULL;
-static const uint64_t ff_pw_3  __attribute__ ((aligned(8))) = 0x0003000300030003ULL;
+static const uint64_t ff_pw_20 __attribute__ ((used)) __attribute__ ((aligned(8))) = 0x0014001400140014ULL;
+static const uint64_t ff_pw_3  __attribute__ ((used)) __attribute__ ((aligned(8))) = 0x0003000300030003ULL;
 static const uint64_t ff_pw_16 __attribute__ ((aligned(8))) = 0x0010001000100010ULL;
 static const uint64_t ff_pw_15 __attribute__ ((aligned(8))) = 0x000F000F000F000FULL;
 
Nur in ffmpeg-0.4.8-patch/libavcodec/i386: dsputil_mmx.c~.
diff -dur ffmpeg-0.4.8/libavcodec/i386/motion_est_mmx.c ffmpeg-0.4.8-patch/libavcodec/i386/motion_est_mmx.c
--- ffmpeg-0.4.8/libavcodec/i386/motion_est_mmx.c	2003-09-28 17:26:40.000000000 +0200
+++ ffmpeg-0.4.8-patch/libavcodec/i386/motion_est_mmx.c	2004-06-14 17:13:55.000000000 +0200
@@ -26,7 +26,7 @@
 0x0002000200020002,
 };
 
-static __attribute__ ((aligned(8), unused)) uint64_t bone= 0x0101010101010101LL;
+static __attribute__ ((used)) __attribute__ ((aligned(8), unused)) uint64_t bone= 0x0101010101010101LL;
 
 static inline void sad8_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
 {
Nur in ffmpeg-0.4.8-patch/libavcodec/i386: motion_est_mmx.c~.
diff -dur ffmpeg-0.4.8/libavcodec/i386/simple_idct_mmx.c ffmpeg-0.4.8-patch/libavcodec/i386/simple_idct_mmx.c
--- ffmpeg-0.4.8/libavcodec/i386/simple_idct_mmx.c	2003-09-28 17:26:40.000000000 +0200
+++ ffmpeg-0.4.8-patch/libavcodec/i386/simple_idct_mmx.c	2004-06-14 17:17:47.000000000 +0200
@@ -45,8 +45,8 @@
 #define ROW_SHIFT 11
 #define COL_SHIFT 20 // 6
 
-static const uint64_t __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000ULL;
-static const uint64_t __attribute__((aligned(8))) d40000= 0x0000000000040000ULL;
+static const uint64_t __attribute__ ((used)) __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000ULL;
+static const uint64_t __attribute__ ((used)) __attribute__((aligned(8))) d40000= 0x0000000000040000ULL;
 
 static const int16_t __attribute__((aligned(8))) coeffs[]= {
 	1<<(ROW_SHIFT-1), 0, 1<<(ROW_SHIFT-1), 0,
Nur in ffmpeg-0.4.8-patch/libavcodec/i386: simple_idct_mmx.c~.
diff -dur ffmpeg-0.4.8/libavcodec/liba52/resample_mmx.c ffmpeg-0.4.8-patch/libavcodec/liba52/resample_mmx.c
--- ffmpeg-0.4.8/libavcodec/liba52/resample_mmx.c	2003-09-28 17:26:40.000000000 +0200
+++ ffmpeg-0.4.8-patch/libavcodec/liba52/resample_mmx.c	2004-06-14 16:53:43.000000000 +0200
@@ -7,10 +7,11 @@
 	and it would mean (C / MMX2 / MMX / 3DNOW) versions 
 */
 
-static uint64_t __attribute__((aligned(8))) magicF2W= 0x43c0000043c00000LL;
-static uint64_t __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000LL;
-static uint64_t __attribute__((aligned(8))) wm0101= 0x0000FFFF0000FFFFLL;
-static uint64_t __attribute__((aligned(8))) wm1100= 0xFFFFFFFF00000000LL;
+static uint64_t __attribute__((used)) __attribute__((aligned(8))) magicF2W= 0x43c0000043c00000LL;
+static uint64_t __attribute__((used)) __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000LL;
+static uint64_t __attribute__((used)) __attribute__((aligned(8))) wm0101= 0x0000FFFF0000FFFFLL;
+static uint64_t __attribute__((used)) __attribute__((aligned(8))) wm1100= 0xFFFFFFFF00000000LL;
+
 
 static int a52_resample_MONO_to_5_MMX(float * _f, int16_t * s16){
     int32_t * f = (int32_t *) _f;
Nur in ffmpeg-0.4.8-patch/libavcodec/liba52: resample_mmx.c~.
diff -dur ffmpeg-0.4.8/libavcodec/libpostproc/postprocess.c ffmpeg-0.4.8-patch/libavcodec/libpostproc/postprocess.c
--- ffmpeg-0.4.8/libavcodec/libpostproc/postprocess.c	2003-09-28 17:26:40.000000000 +0200
+++ ffmpeg-0.4.8-patch/libavcodec/libpostproc/postprocess.c	2004-06-14 17:15:07.000000000 +0200
@@ -104,8 +104,8 @@
 //#define NUM_BLOCKS_AT_ONCE 16 //not used yet
 
 #ifdef ARCH_X86
-static uint64_t __attribute__((aligned(8))) w05=		0x0005000500050005LL;
-static uint64_t __attribute__((aligned(8))) w20=		0x0020002000200020LL;
+static uint64_t __attribute__ ((used)) __attribute__((aligned(8))) w05=		0x0005000500050005LL;
+static uint64_t __attribute__ ((used)) __attribute__((aligned(8))) w20=		0x0020002000200020LL;
 static uint64_t __attribute__((aligned(8))) b00= 		0x0000000000000000LL;
 static uint64_t __attribute__((aligned(8))) b01= 		0x0101010101010101LL;
 static uint64_t __attribute__((aligned(8))) b02= 		0x0202020202020202LL;
Nur in ffmpeg-0.4.8-patch/libavcodec/libpostproc: postprocess.c~.