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Diff for /embedaddon/libiconv/srcm4/environ.m4 between versions 1.1.1.1 and 1.1.1.3

version 1.1.1.1, 2012/02/21 22:57:49 version 1.1.1.3, 2021/03/17 13:38:46
Line 1 Line 1
# environ.m4 serial 2# environ.m4 serial 7
dnl Copyright (C) 2001-2004, 2006-2009 Free Software Foundation, Inc.dnl Copyright (C) 2001-2004, 2006-2019 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation  dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,  dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.  dnl with or without modifications, as long as this notice is preserved.
   
AC_DEFUN([gl_ENVIRON],AC_DEFUN_ONCE([gl_ENVIRON],
 [  [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])    AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   dnl Persuade glibc <unistd.h> to declare environ.    dnl Persuade glibc <unistd.h> to declare environ.
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])    AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  gt_CHECK_VAR_DECL([#include <unistd.h>], environ)
   AC_CHECK_HEADERS_ONCE([unistd.h])
   gt_CHECK_VAR_DECL(
     [#if HAVE_UNISTD_H
      #include <unistd.h>
      #endif
      /* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>.  */
      #include <stdlib.h>
     ],
     [environ])
   if test $gt_cv_var_environ_declaration != yes; then    if test $gt_cv_var_environ_declaration != yes; then
     HAVE_DECL_ENVIRON=0      HAVE_DECL_ENVIRON=0
   fi    fi
Line 20  AC_DEFUN([gl_ENVIRON], Line 29  AC_DEFUN([gl_ENVIRON],
 AC_DEFUN([gt_CHECK_VAR_DECL],  AC_DEFUN([gt_CHECK_VAR_DECL],
 [  [
   define([gt_cv_var], [gt_cv_var_]$2[_declaration])    define([gt_cv_var], [gt_cv_var_]$2[_declaration])
  AC_MSG_CHECKING([if $2 is properly declared])  AC_CACHE_CHECK([if $2 is properly declared], [gt_cv_var],
  AC_CACHE_VAL([gt_cv_var], [    [AC_COMPILE_IFELSE(
    AC_TRY_COMPILE([$1       [AC_LANG_PROGRAM(
      extern struct { int foo; } $2;],          [[$1
      [$2.foo = 1;],            extern struct { int foo; } $2;]],
      gt_cv_var=no,          [[$2.foo = 1;]])],
      gt_cv_var=yes)])       [gt_cv_var=no],
  AC_MSG_RESULT([$gt_cv_var])       [gt_cv_var=yes])])
   if test $gt_cv_var = yes; then    if test $gt_cv_var = yes; then
    AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z])[_DECL], 1,    AC_DEFINE([HAVE_]m4_translit($2, [a-z], [A-Z])[_DECL], 1,
               [Define if you have the declaration of $2.])                [Define if you have the declaration of $2.])
   fi    fi
   undefine([gt_cv_var])    undefine([gt_cv_var])
Removed from v.1.1.1.1  
changed lines
  Added in v.1.1.1.3

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