diff options
Diffstat (limited to 'gl/m4/stdarg.m4')
-rw-r--r-- | gl/m4/stdarg.m4 | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/gl/m4/stdarg.m4 b/gl/m4/stdarg.m4 deleted file mode 100644 index 40db5e4..0000000 --- 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]) -]) |