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Diffstat (limited to 'gnulib-m4/wchar_h.m4')
-rw-r--r--gnulib-m4/wchar_h.m416
1 files changed, 12 insertions, 4 deletions
diff --git a/gnulib-m4/wchar_h.m4 b/gnulib-m4/wchar_h.m4
index 9d1b0f8b..16017a59 100644
--- a/gnulib-m4/wchar_h.m4
+++ b/gnulib-m4/wchar_h.m4
@@ -1,13 +1,13 @@
dnl A placeholder for ISO C99 <wchar.h>, for platforms that have issues.
-dnl Copyright (C) 2007-2015 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2016 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Written by Eric Blake.
-# wchar_h.m4 serial 39
+# wchar_h.m4 serial 40
AC_DEFUN([gl_WCHAR_H],
[
@@ -81,8 +81,14 @@ AC_DEFUN([gl_WCHAR_H_INLINE_OK],
extern int zero (void);
int main () { return zero(); }
]])])
+ dnl Do not rename the object file from conftest.$ac_objext to
+ dnl conftest1.$ac_objext, as this will cause the link to fail on
+ dnl z/OS when using the XPLINK object format (due to duplicate
+ dnl CSECT names). Instead, temporarily redefine $ac_compile so
+ dnl that the object file has the latter name from the start.
+ save_ac_compile="$ac_compile"
+ ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest1/`
if AC_TRY_EVAL([ac_compile]); then
- mv conftest.$ac_objext conftest1.$ac_objext
AC_LANG_CONFTEST([
AC_LANG_SOURCE([[#define wcstod renamed_wcstod
/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
@@ -95,8 +101,9 @@ int main () { return zero(); }
#include <wchar.h>
int zero (void) { return 0; }
]])])
+ dnl See note above about renaming object files.
+ ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest2/`
if AC_TRY_EVAL([ac_compile]); then
- mv conftest.$ac_objext conftest2.$ac_objext
if $CC -o conftest$ac_exeext $CFLAGS $LDFLAGS conftest1.$ac_objext conftest2.$ac_objext $LIBS >&AS_MESSAGE_LOG_FD 2>&1; then
:
else
@@ -104,6 +111,7 @@ int zero (void) { return 0; }
fi
fi
fi
+ ac_compile="$save_ac_compile"
rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext
])
if test $gl_cv_header_wchar_h_correct_inline = no; then