90 lines
2.6 KiB
Diff
90 lines
2.6 KiB
Diff
From fc392c939b9a18959482f588aff0afc29dd6d30a Mon Sep 17 00:00:00 2001
|
|
From: Romain Naour <romain.naour at openwide.fr>
|
|
Date: Fri, 23 Jan 2015 22:20:18 +0100
|
|
Subject: [PATCH 6/6] unix/configure: borrow the LFS test from autotools.
|
|
|
|
Infozip's LFS check can't work for cross-compilation
|
|
since it try to run a target's binary on the host system.
|
|
|
|
Instead, use to LFS test used by autotools which is a
|
|
compilation test.
|
|
(see autotools/lib/autoconf/specific.m4)
|
|
|
|
Reported-by: Richard Genoud <richard.genoud at gmail.com>
|
|
Signed-off-by: Romain Naour <romain.naour at openwide.fr>
|
|
---
|
|
configure | 46 +++++++++++++++-------------------------------
|
|
1 file changed, 15 insertions(+), 31 deletions(-)
|
|
|
|
--- a/unix/configure
|
|
+++ b/unix/configure
|
|
@@ -399,9 +399,8 @@ else
|
|
fi
|
|
|
|
|
|
-# Now we set the 64-bit file environment and check the size of off_t
|
|
-# Added 11/4/2003 EG
|
|
-# Revised 8/12/2004 EG
|
|
+# LFS check borrowed from autotools sources
|
|
+# lib/autoconf/specific.m4
|
|
|
|
echo Check for Large File Support
|
|
cat > conftest.c << _EOF_
|
|
@@ -410,23 +409,19 @@ cat > conftest.c << _EOF_
|
|
# define _FILE_OFFSET_BITS 64 /* select default interface as 64 bit */
|
|
# define _LARGE_FILES /* some OSes need this for 64-bit off_t */
|
|
#include <sys/types.h>
|
|
-#include <sys/stat.h>
|
|
-#include <unistd.h>
|
|
-#include <stdio.h>
|
|
+
|
|
+ /* Check that off_t can represent 2**63 - 1 correctly.
|
|
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
|
|
+ since some C++ compilers masquerading as C compilers
|
|
+ incorrectly reject 9223372036854775807. */
|
|
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
|
|
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
|
|
+ && LARGE_OFF_T % 2147483647 == 1)
|
|
+ ? 1 : -1];
|
|
+
|
|
int main()
|
|
{
|
|
- off_t offset;
|
|
- struct stat s;
|
|
- /* see if have 64-bit off_t */
|
|
- if (sizeof(offset) < 8)
|
|
- return 1;
|
|
- printf(" off_t is %d bytes\n", sizeof(off_t));
|
|
- /* see if have 64-bit stat */
|
|
- if (sizeof(s.st_size) < 8) {
|
|
- printf(" s.st_size is %d bytes\n", sizeof(s.st_size));
|
|
- return 2;
|
|
- }
|
|
- return 3;
|
|
+ return 0;
|
|
}
|
|
_EOF_
|
|
# compile it
|
|
@@ -434,19 +429,8 @@ $CC -o conftest conftest.c >/dev/null 2>
|
|
if [ $? -ne 0 ]; then
|
|
echo -- no Large File Support
|
|
else
|
|
-# run it
|
|
- ./conftest
|
|
- r=$?
|
|
- if [ $r -eq 1 ]; then
|
|
- echo -- no Large File Support - no 64-bit off_t
|
|
- elif [ $r -eq 2 ]; then
|
|
- echo -- no Large File Support - no 64-bit stat
|
|
- elif [ $r -eq 3 ]; then
|
|
- echo -- yes we have Large File Support!
|
|
- CFLAGS="${CFLAGS} -DLARGE_FILE_SUPPORT"
|
|
- else
|
|
- echo -- no Large File Support - conftest returned $r
|
|
- fi
|
|
+ echo -- yes we have Large File Support!
|
|
+ CFLAGS="${CFLAGS} -DLARGE_FILE_SUPPORT"
|
|
fi
|
|
|
|
|