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Simplified and fixed altivec/altivec.h detection under Linux and Darwin (and others). Patch by Magnus Damm <damm@opensource.se>

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Originally committed as revision 2120 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Magnus Damm 2003-08-11 20:27:17 +00:00 committed by Alex Beregszaszi
parent c95108037f
commit b6e52719c6
2 changed files with 13 additions and 11 deletions
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19
configure vendored
View File

@ -419,6 +419,17 @@ if test $tune != "generic"; then
esac
fi
# AltiVec flags: The FSF version of GCC differs from the Darwin version
if test $cpu = "powerpc"; then
if test $altivec = "yes"; then
if test "$darwin" = "yes"; then
CFLAGS="$CFLAGS -faltivec"
else
CFLAGS="$CFLAGS -maltivec -mabi=altivec"
fi
fi
fi
# See if we have <altivec.h>
cat > $TMPC << EOF
#include <altivec.h>
@ -426,7 +437,7 @@ int main( void ) { return 0; }
EOF
_altivec_h="no"
if $cc -o $TMPE $TMPC 2> /dev/null ; then
if $cc $CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
_altivec_h="yes"
fi
@ -450,11 +461,7 @@ int main(void) {
}
EOF
fi
if test "$darwin" = "yes"; then
$cc -o $TMPE $TMPC -faltivec 2> /dev/null || altivec="no"
else
$cc -o $TMPE $TMPC -maltivec -mabi=altivec 2> /dev/null || altivec="no"
fi
$cc $CFLAGS -o $TMPE $TMPC 2> /dev/null || altivec="no"
fi
# Can only do mmi on mips

5
libavcodec/Makefile
View File

@ -127,11 +127,6 @@ OBJS += ps2/dsputil_mmi.o ps2/idct_mmi.o ps2/mpegvideo_mmi.o
endif
ifeq ($(TARGET_ALTIVEC),yes)
ifeq ($(TARGET_OS),Darwin)
CFLAGS += -faltivec
else
CFLAGS += -maltivec -mabi=altivec
endif
OBJS += ppc/dsputil_altivec.o ppc/mpegvideo_altivec.o ppc/idct_altivec.o \
ppc/fft_altivec.o ppc/gmc_altivec.o
endif