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better gif89 detection by pl <p_l@gmx.fr>, based on patch by Joey Parrish <joey@yunamusic.com>

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6080 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-05-13 20:52:10 +00:00
parent 7f8e05ad75
commit e365511791
1 changed files with 20 additions and 4 deletions
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24
configure vendored
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@ -2339,30 +2339,45 @@ if test "$_gif" = auto ; then
cat > $TMPC << EOF
#include <gif_lib.h>
int main(void) {
EGifPutExtensionFirst(NULL, 0xFF, 11, NULL);
return 0;
}
EOF
if cc_check -lungif ; then
if cc_check -lungif && "$TMPO" >> "$TMPLOG" ; then
_gif=yes
_ld_gif="-lungif"
elif cc_check -lgif ; then
elif cc_check -lgif && "$TMPO" >> "$TMPLOG" ; then
_gif=yes
_ld_gif="-lgif"
fi
fi
echores "$_gif"
if test "$_gif" = yes ; then
_def_gif='#define HAVE_GIF 1'
_vosrc="$_vosrc vo_gif89a.c"
_vomodules="gif89a $_vomodules"
_mkf_gif="yes"
_gif="yes (old version, some functions disabled)"
_def_gif_4='#undef HAVE_GIF_4'
cat > $TMPC << EOF
#include <gif_lib.h>
int main(void) {
printf("EGifPutExtensionFirst is at address %p\n", EGifPutExtensionFirst);
EGifSetGifVersion("89a"); // this will segfault a buggy gif lib.
return 0;
}
EOF
if cc_check "$_ld_gif" && ( "$TMPO" ) >>"$TMPLOG" 2>&1 ; then
_def_gif_4='#define HAVE_GIF_4 1'
_gif="yes"
fi
else
_def_gif='#undef HAVE_GIF'
_def_gif_4='#undef HAVE_GIF_4'
_novomodules="gif89a $_novomodules"
_mkf_gif="no"
fi
echores "$_gif"
if test "$_vesa" != no ; then
@ -4047,6 +4062,7 @@ $_def_jpg
/* enable GIF support */
$_def_gif
$_def_gif_4
/* libmad support */
$_def_mad