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configure: include stddef.h for NULL 

This fixes an observed failure to detect madvise() on Linux.

To avoid similar issues, all other tests that use NULL but don't already
have stddef.h (or another header that is defined to provide NULL,
such as stdio.h, unistd.h, or time.h) are also fixed.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Scott Wood 2010-10-05 14:28:17 -05:00 committed by Blue Swirl
parent bbf0a44081
commit 832ce9c286
1 changed files with 5 additions and 0 deletions
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5
configure vendored
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@ -1329,6 +1329,7 @@ if test "$vnc_png" != "no" ; then
cat > $TMPC <<EOF
//#include <stdio.h>
#include <png.h>
#include <stddef.h>
int main(void) {
png_structp png_ptr;
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
@ -1513,6 +1514,7 @@ if test "$brlapi" != "no" ; then
brlapi_libs="-lbrlapi"
cat > $TMPC << EOF
#include <brlapi.h>
#include <stddef.h>
int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
EOF
if compile_prog "" "$brlapi_libs" ; then
@ -1747,6 +1749,7 @@ if test "$linux_aio" != "no" ; then
cat > $TMPC <<EOF
#include <libaio.h>
#include <sys/eventfd.h>
#include <stddef.h>
int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
EOF
if compile_prog "" "-laio" ; then
@ -2127,6 +2130,7 @@ madvise=no
cat > $TMPC << EOF
#include <sys/types.h>
#include <sys/mman.h>
#include <stddef.h>
int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
EOF
if compile_prog "" "" ; then
@ -2139,6 +2143,7 @@ fi
posix_madvise=no
cat > $TMPC << EOF
#include <sys/mman.h>
#include <stddef.h>
int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
EOF
if compile_prog "" "" ; then