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debian stable screws up largefile support for fcntl locking. This adds

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a test for the screwup and disables largefile support
This commit is contained in:
Andrew Tridgell
2001-09-08 12:48:50 +00:00
parent f7ca98bdc4
commit f0af1e5ec6
1 changed files with 39 additions and 1 deletions
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40
configure.in
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@@ -45,7 +45,45 @@ AC_SUBST(SHELL)
AC_CHECK_PROG(HAVE_REMSH, remsh, 1, 0)
AC_DEFINE_UNQUOTED(HAVE_REMSH, $HAVE_REMSH, [ ])
AC_SYS_LARGEFILE
# arrgh. libc in the current debian stable screws up the largefile
# stuff, getting byte range locking wrong
AC_CACHE_CHECK([for broken largefile support],rsync_cv_HAVE_BROKEN_LARGEFILE,[
AC_TRY_RUN([
#define _FILE_OFFSET_BITS 64
#include <stdio.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
int main(void)
{
struct flock lock;
int status;
int fd = open("conftest.dat", O_CREAT|O_RDWR, 0600);
lock.l_type = F_WRLCK;
lock.l_whence = SEEK_SET;
lock.l_start = 0;
lock.l_len = 1;
lock.l_pid = 0;
fcntl(fd,F_SETLK,&lock);
if (fork() == 0) {
lock.l_start = 1;
exit(fcntl(fd,F_SETLK,&lock) == 0);
}
wait(&status);
unlink("conftest.dat");
exit(WEXITSTATUS(status));
}
],
rsync_cv_HAVE_BROKEN_LARGEFILE=yes,rsync_cv_HAVE_BROKEN_LARGEFILE=no,rsync_cv_HAVE_BROKEN_LARGEFILE=cross)])
if test x"$rsync_cv_HAVE_BROKEN_LARGEFILE" != x"yes"; then
AC_SYS_LARGEFILE
fi
AC_C_BIGENDIAN
AC_HEADER_DIRENT
AC_HEADER_TIME