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diff -uNr samba-3.0alpha21.orig/source/configure.in samba-3.0alpha21/source/configure.in
--- samba-3.0alpha21.orig/source/configure.in 2003-02-16 13:01:45.000000000 -0600
+++ samba-3.0alpha21/source/configure.in 2003-02-16 13:04:03.000000000 -0600
@@ -481,6 +481,28 @@
#endif
}
], [LINUX_LFS_SUPPORT=yes], [LINUX_LFS_SUPPORT=no], [LINUX_LFS_SUPPORT=cross])
+ if test x$LINUX_LFS_SUPPORT = xyes ; then
+ AC_TRY_RUN([
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+main() {
+ unsigned int *padding;
+ struct flock foo_lock = {F_WRLCK, SEEK_SET, 0, 1, 0};
+ int fd = open("/dev/null", O_RDWR);
+
+ /* Yes, we're depending on the internals of the Linux flock structure
+ here -- but this test is explicitly Linux-specific to begin with. */
+ padding = (unsigned int *)&foo_lock;
+ padding[1] = 0xffffffff;
+ foo_lock.l_start = 0;
+ if (fcntl(fd, F_SETLK, &foo_lock) < 0)
+ exit(1);
+
+ exit(0);
+}
+], [LINUX_LFS_SUPPORT=yes], [LINUX_LFS_SUPPORT=no], [LINUX_LFS_SUPPORT=cross])
+ fi
CPPFLAGS="$old_CPPFLAGS"
if test x$LINUX_LFS_SUPPORT = xyes ; then
CPPFLAGS="-D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE $CPPFLAGS"
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