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2004/03/10 10:21:34+00:00 cantab.net!aia21
Use AC_CHECK_DECLS in configure.ac to determine if the constant bswap
functions are defined/declared and define them to the non-constant ones
in endians.h if not.

(Logical change 1.314)
edge.strict_endians
cantab.net!aia21 2004-03-10 10:22:03 +00:00
parent c5847ae8cf
commit c89452b85a
1 changed files with 191 additions and 0 deletions
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191
configure vendored
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@ -21509,6 +21509,197 @@ fi
done
# Check for declarations of constant bswap function as some systems do not
# provide all of them.
echo "$as_me:$LINENO: checking whether __bswap_constant_16 is declared" >&5
echo $ECHO_N "checking whether __bswap_constant_16 is declared... $ECHO_C" >&6
if test "${ac_cv_have_decl___bswap_constant_16+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <byteswap.h>
int
main ()
{
#ifndef __bswap_constant_16
char *p = (char *) __bswap_constant_16;
#endif
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_have_decl___bswap_constant_16=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_have_decl___bswap_constant_16=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $ac_cv_have_decl___bswap_constant_16" >&5
echo "${ECHO_T}$ac_cv_have_decl___bswap_constant_16" >&6
if test $ac_cv_have_decl___bswap_constant_16 = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL___BSWAP_CONSTANT_16 1
_ACEOF
else
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL___BSWAP_CONSTANT_16 0
_ACEOF
fi
echo "$as_me:$LINENO: checking whether __bswap_constant_32 is declared" >&5
echo $ECHO_N "checking whether __bswap_constant_32 is declared... $ECHO_C" >&6
if test "${ac_cv_have_decl___bswap_constant_32+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <byteswap.h>
int
main ()
{
#ifndef __bswap_constant_32
char *p = (char *) __bswap_constant_32;
#endif
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_have_decl___bswap_constant_32=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_have_decl___bswap_constant_32=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $ac_cv_have_decl___bswap_constant_32" >&5
echo "${ECHO_T}$ac_cv_have_decl___bswap_constant_32" >&6
if test $ac_cv_have_decl___bswap_constant_32 = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL___BSWAP_CONSTANT_32 1
_ACEOF
else
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL___BSWAP_CONSTANT_32 0
_ACEOF
fi
echo "$as_me:$LINENO: checking whether __bswap_constant_64 is declared" >&5
echo $ECHO_N "checking whether __bswap_constant_64 is declared... $ECHO_C" >&6
if test "${ac_cv_have_decl___bswap_constant_64+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <byteswap.h>
int
main ()
{
#ifndef __bswap_constant_64
char *p = (char *) __bswap_constant_64;
#endif
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_have_decl___bswap_constant_64=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_have_decl___bswap_constant_64=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $ac_cv_have_decl___bswap_constant_64" >&5
echo "${ECHO_T}$ac_cv_have_decl___bswap_constant_64" >&6
if test $ac_cv_have_decl___bswap_constant_64 = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL___BSWAP_CONSTANT_64 1
_ACEOF
else
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL___BSWAP_CONSTANT_64 0
_ACEOF
fi
# Makefiles to be created by configure.
ac_config_files="$ac_config_files Makefile doc/Makefile include/Makefile include/ntfs/Makefile libntfs/Makefile libntfs/libntfs.conf libntfs/libntfs-gnomevfs.8 ntfsprogs/Makefile ntfsprogs/mkntfs.8 ntfsprogs/ntfscat.8 ntfsprogs/ntfsclone.8 ntfsprogs/ntfscluster.8 ntfsprogs/ntfsfix.8 ntfsprogs/ntfsinfo.8 ntfsprogs/ntfslabel.8 ntfsprogs/ntfsls.8 ntfsprogs/ntfsprogs.8 ntfsprogs/ntfsresize.8 ntfsprogs/ntfsundelete.8 ntfsprogs.spec"