From 399a6890f5726b83f25fb3b0758dbb79770a1c91 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20v=2E=20L=C3=B6wis?= <martin@v.loewis.de>
Date: Fri, 4 Oct 2002 10:22:02 +0000
Subject: [PATCH] Disable LFS if Solaris/gcc bug is detected. Fixes #618095.

---
 configure    | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 configure.in | 21 ++++++++++++++++++
 2 files changed, 81 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 181c98342ea..ffdc0a2ec94 100755
--- a/configure
+++ b/configure
@@ -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
diff --git a/configure.in b/configure.in
index fef6e22f921..aef3c067e9d 100644
--- a/configure.in
+++ b/configure.in
@@ -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