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Disable LFS if Solaris/gcc bug is detected. Fixes #618095.

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This commit is contained in:
Martin v. Löwis 2002-10-04 10:22:02 +00:00
parent c7cdd7182a
commit 399a6890f5
2 changed files with 81 additions and 1 deletions
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61
configure vendored
View file

@ -1,5 +1,5 @@
#! /bin/sh
# From configure.in Revision: 1.349 .
# From configure.in Revision: 1.350 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.53.
#
@ -4423,6 +4423,64 @@ _ACEOF
fi
# Enabling LFS on Solaris (2.6 to 9) with gcc 2.95 triggers a bug in
# the system headers: If _XOPEN_SOURCE and _LARGEFILE_SOURCE are
# defined, but the compiler does not support pragma redefine_extname,
# and _LARGEFILE64_SOURCE is not defined, the headers refer to 64-bit
# structures (such as rlimit64) without declaring them. As a
# work-around, disable LFS on such configurations
use_lfs=yes
echo "$as_me:$LINENO: checking Solaris LFS bug" >&5
echo $ECHO_N "checking Solaris LFS bug... $ECHO_C" >&6
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
#define _LARGEFILE_SOURCE 1
#define _FILE_OFFSET_BITS 64
#include <sys/resource.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
struct rlimit foo;
;
return 0;
}
_ACEOF
rm -f conftest.$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 $ac_status); }; }; then
sol_lfs_bug=no
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
sol_lfs_bug=yes
fi
rm -f conftest.$ac_objext conftest.$ac_ext
echo "$as_me:$LINENO: result: $sol_lfs_bug" >&5
echo "${ECHO_T}$sol_lfs_bug" >&6
if test "$sol_lfs_bug" = "yes"; then
use_lfs=no
fi
if test "$use_lfs" = "yes"; then
# Two defines needed to enable largefile support on various platforms
# These may affect some typedefs
@ -4435,6 +4493,7 @@ cat >>confdefs.h <<\_ACEOF
#define _FILE_OFFSET_BITS 64
_ACEOF
fi
# Add some code to confdefs.h so that the test for off_t works on SCO
cat >> confdefs.h <<\EOF

21
configure.in
View file

@ -654,12 +654,33 @@ if test "$ac_cv_has_makedev" = "yes"; then
AC_DEFINE(HAVE_MAKEDEV, 1, [Define this if you have the makedev macro.])
fi
# Enabling LFS on Solaris (2.6 to 9) with gcc 2.95 triggers a bug in
# the system headers: If _XOPEN_SOURCE and _LARGEFILE_SOURCE are
# defined, but the compiler does not support pragma redefine_extname,
# and _LARGEFILE64_SOURCE is not defined, the headers refer to 64-bit
# structures (such as rlimit64) without declaring them. As a
# work-around, disable LFS on such configurations
use_lfs=yes
AC_MSG_CHECKING(Solaris LFS bug)
AC_TRY_COMPILE([
#define _LARGEFILE_SOURCE 1
#define _FILE_OFFSET_BITS 64
#include <sys/resource.h>
],struct rlimit foo;,sol_lfs_bug=no,sol_lfs_bug=yes)
AC_MSG_RESULT($sol_lfs_bug)
if test "$sol_lfs_bug" = "yes"; then
use_lfs=no
fi
if test "$use_lfs" = "yes"; then
# Two defines needed to enable largefile support on various platforms
# These may affect some typedefs
AC_DEFINE(_LARGEFILE_SOURCE, 1,
[This must be defined on some systems to enable large file support.])
AC_DEFINE(_FILE_OFFSET_BITS, 64,
[This must be set to 64 on some systems to enable large file support.])
fi
# Add some code to confdefs.h so that the test for off_t works on SCO
cat >> confdefs.h <<\EOF