1 files changed, 0 insertions, 47 deletions
diff --git a/src/gl/m4/environ.m4 b/src/gl/m4/environ.m4
deleted file mode 100644
index 9a0ea7e214..0000000000
--- a/src/gl/m4/environ.m4
+++ /dev/null
@@ -1,47 +0,0 @@
-# environ.m4 serial 6
-dnl Copyright (C) 2001-2004, 2006-2016 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.
-
-AC_DEFUN_ONCE([gl_ENVIRON],
-[
-  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-  dnl Persuade glibc <unistd.h> to declare environ.
-  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
-
-  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
-    HAVE_DECL_ENVIRON=0
-  fi
-])
-
-# Check if a variable is properly declared.
-# gt_CHECK_VAR_DECL(includes,variable)
-AC_DEFUN([gt_CHECK_VAR_DECL],
-[
-  define([gt_cv_var], [gt_cv_var_]$2[_declaration])
-  AC_MSG_CHECKING([if $2 is properly declared])
-  AC_CACHE_VAL([gt_cv_var], [
-    AC_COMPILE_IFELSE(
-      [AC_LANG_PROGRAM(
-         [[$1
-           extern struct { int foo; } $2;]],
-         [[$2.foo = 1;]])],
-      [gt_cv_var=no],
-      [gt_cv_var=yes])])
-  AC_MSG_RESULT([$gt_cv_var])
-  if test $gt_cv_var = yes; then
-    AC_DEFINE([HAVE_]m4_translit($2, [a-z], [A-Z])[_DECL], 1,
-              [Define if you have the declaration of $2.])
-  fi
-  undefine([gt_cv_var])
-])