From aab730841f6bf9fe93383649c2e1e25cea3818a8 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Thu, 5 Feb 2009 21:23:07 -0800
Subject: Large file support

Signed-off-by: Matt Colyer <matt@colyer.name>
---
 configure.ac | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 286b1d8..7c31e2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,4 +59,31 @@ if test "$no_debug_code" = true; then
 	AC_DEFINE(STRIP_DEBUG_CODE,1,[Strip debug reporting code])
 fi
 
+# check for large file support
+AC_SYS_LARGEFILE
+LFS_CFLAGS=''
+if test "$enable_largefile" != no; then
+    if test "$ac_cv_sys_file_offset_bits" != 'no'; then
+	LFS_CFLAGS="$LFS_CFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits"
+    else
+	AC_MSG_CHECKING(for native large file support)
+	AC_RUN_IFELSE([#include <unistd.h>
+	  int main (int argc, char **argv)
+	  {
+	      exit(!(sizeof(off_t) == 8));
+	  }],
+	[ac_cv_sys_file_offset_bits=64; AC_DEFINE(_FILE_OFFSET_BITS,64)
+	 AC_MSG_RESULT(yes)],
+	[AC_MSG_RESULT(no)])
+    fi
+    if test "$ac_cv_sys_large_files" != 'no'; then
+	LFS_CFLAGS="$LFS_CFLAGS -D_LARGE_FILES=1"
+    fi
+    AC_FUNC_FSEEKO
+    if test "$ac_cv_sys_largefile_source" != 'no'; then
+	LFS_CFLAGS="$LFS_CFLAGS -D_LARGEFILE_SOURCE=1"
+    fi
+fi
+AC_SUBST(LFS_CFLAGS)
+
 AC_OUTPUT(Makefile src/Makefile include/Makefile fdi/Makefile dev/Makefile libiphone-1.0.pc)
-- 
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