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added memalign detection, maps to malloc if fails.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1679 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
atmos4 2001-08-24 14:49:05 +00:00
parent 5a91214b59
commit cc3b911d90
1 changed files with 18 additions and 1 deletions
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19
configure vendored
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@ -908,8 +908,22 @@ cat > $TMPC << EOF
int main( void ) { return 0; }
EOF
_memalign_def=
_malloc_h=no
$_cc -o $TMPO $TMPC 2> /dev/null && _malloc_h=yes
if $_cc -o $TMPO $TMPC 2> /dev/null ; then
_malloc_h=yes
# check for memalign - atmos
# should this be restricted to x86, or customized for cpu types (opt for cacheline sizes)?
cat > $TMPC << EOF
#include <malloc.h>
int main ( void ) {
char *string = NULL;
string = memalign(64, sizeof(char));
return 0;
}
EOF
$_cc -o $TMPO $TMPC 2> /dev/null || _memalign_def='#define memalign(a,b) malloc(b)'
fi
cat > $TMPC << EOF
@ -1994,6 +2008,9 @@ $_have_soundcard_h
/* Define this if your system has the "malloc.h" header file */
$_have_malloc_h
/* memalign is mapped to malloc here, if unsupported */
$_memalign_def
/* Define this if your system has the "alloca.h" header file */
$_have_alloca_h