diff options
Diffstat (limited to 'gnulib-m4/wchar_h.m4')
| -rw-r--r-- | gnulib-m4/wchar_h.m4 | 16 |
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 |