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int_fast??_t emulation for broken systems which dont conform to ISO C

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this should be ported to mplayers configure if it works

Originally committed as revision 2461 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-11-01 10:20:14 +00:00
parent 04939fb787
commit b5c950c4f4
1 changed files with 23 additions and 0 deletions
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23
configure vendored
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@ -147,6 +147,7 @@ debug="yes"
extralibs="-lm"
simpleidct="yes"
bigendian="no"
emu_fast_int="no"
vhook="default"
dlfcn="no"
dlopen="no"
@ -625,6 +626,18 @@ fi
fi
# ---
# *int_fast* test
cat > $TMPC << EOF
#include <inttypes.h>
int main(int argc, char ** argv){
volatile uint_fast64_t i=0x01234567;
return 0;
}
EOF
$cc -o $TMPE $TMPC 2>/dev/null || emu_fast_int="yes"
# ---
# check availability of some header files
@ -850,6 +863,7 @@ echo "C compiler $cc"
echo "make $make"
echo "CPU $cpu ($tune)"
echo "Big Endian $bigendian"
echo "broken inttypes.h $emu_fast_int"
if test $cpu = "x86"; then
echo "MMX enabled $mmx"
echo "Vector Builtins $builtin_vector"
@ -942,6 +956,15 @@ if test "$bigendian" = "yes" ; then
echo "WORDS_BIGENDIAN=yes" >> config.mak
echo "#define WORDS_BIGENDIAN 1" >> $TMPH
fi
if test "$emu_fast_int" = "yes" ; then
#note, we dont try to emulate fast64
echo "typedef signed char int_fast8_t" >> $TMPH
echo "typedef signed int int_fast16_t" >> $TMPH
echo "typedef signed int int_fast32_t" >> $TMPH
echo "typedef unsigned char uint_fast8_t" >> $TMPH
echo "typedef unsigned int uint_fast16_t" >> $TMPH
echo "typedef unsigned int uint_fast32_t" >> $TMPH
fi
if test "$mmx" = "yes" ; then
echo "TARGET_MMX=yes" >> config.mak
echo "#define HAVE_MMX 1" >> $TMPH