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-rw-r--r--gl/m4/stdarg.m478
1 files changed, 0 insertions, 78 deletions
diff --git a/gl/m4/stdarg.m4 b/gl/m4/stdarg.m4
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--- a/gl/m4/stdarg.m4
+++ /dev/null
@@ -1,78 +0,0 @@
-# stdarg.m4 serial 6
-dnl Copyright (C) 2006, 2008-2017 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 From Bruno Haible.
-dnl Provide a working va_copy in combination with <stdarg.h>.
-
-AC_DEFUN([gl_STDARG_H],
-[
- STDARG_H=''
- NEXT_STDARG_H='<stdarg.h>'
- AC_MSG_CHECKING([for va_copy])
- AC_CACHE_VAL([gl_cv_func_va_copy], [
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include <stdarg.h>]],
- [[
-#ifndef va_copy
-void (*func) (va_list, va_list) = va_copy;
-#endif
- ]])],
- [gl_cv_func_va_copy=yes],
- [gl_cv_func_va_copy=no])])
- AC_MSG_RESULT([$gl_cv_func_va_copy])
- if test $gl_cv_func_va_copy = no; then
- dnl Provide a substitute.
- dnl Usually a simple definition in <config.h> is enough. Not so on AIX 5
- dnl with some versions of the /usr/vac/bin/cc compiler. It has an <stdarg.h>
- dnl which does '#undef va_copy', leading to a missing va_copy symbol. For
- dnl this platform, we use an <stdarg.h> substitute. But we cannot use this
- dnl approach on other platforms, because <stdarg.h> often defines only
- dnl preprocessor macros and gl_ABSOLUTE_HEADER, gl_CHECK_NEXT_HEADERS do
- dnl not work in this situation.
- AC_EGREP_CPP([vaccine],
- [#if defined _AIX && !defined __GNUC__
- AIX vaccine
- #endif
- ], [gl_aixcc=yes], [gl_aixcc=no])
- if test $gl_aixcc = yes; then
- dnl Provide a substitute <stdarg.h> file.
- STDARG_H=stdarg.h
- gl_NEXT_HEADERS([stdarg.h])
- dnl Fallback for the case when <stdarg.h> contains only macro definitions.
- if test "$gl_cv_next_stdarg_h" = '""'; then
- gl_cv_next_stdarg_h='"///usr/include/stdarg.h"'
- NEXT_STDARG_H="$gl_cv_next_stdarg_h"
- fi
- else
- dnl Provide a substitute in <config.h>, either __va_copy or as a simple
- dnl assignment.
- gl_CACHE_VAL_SILENT([gl_cv_func___va_copy], [
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include <stdarg.h>]],
- [[
-#ifndef __va_copy
-error, bail out
-#endif
- ]])],
- [gl_cv_func___va_copy=yes],
- [gl_cv_func___va_copy=no])])
- if test $gl_cv_func___va_copy = yes; then
- AC_DEFINE([va_copy], [__va_copy],
- [Define as a macro for copying va_list variables.])
- else
- AH_VERBATIM([gl_VA_COPY], [/* A replacement for va_copy, if needed. */
-#define gl_va_copy(a,b) ((a) = (b))])
- AC_DEFINE([va_copy], [gl_va_copy],
- [Define as a macro for copying va_list variables.])
- fi
- fi
- fi
- AC_SUBST([STDARG_H])
- AM_CONDITIONAL([GL_GENERATE_STDARG_H], [test -n "$STDARG_H"])
- AC_SUBST([NEXT_STDARG_H])
-])