maint: update copyright

[gnulib.git] / m4 / glob.m4

diff --git a/m4/glob.m4 b/m4/glob.m4
index 497677c..689f777 100644 (file)
--- a/m4/glob.m4
+++ b/m4/glob.m4
@@ -1,5 +1,5 @@
-# glob.m4 serial 6
-dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+# glob.m4 serial 14
+dnl Copyright (C) 2005-2007, 2009-2014 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.
@@ -8,16 +8,6 @@ dnl with or without modifications, as long as this notice is preserved.
 # rather than vanilla POSIX glob.  This means your code should
 # always include <glob.h> for the glob prototypes.
 
-AC_DEFUN([gl_GLOB_SUBSTITUTE],
-[
-  gl_PREREQ_GLOB
-
-  GLOB_H=glob.h
-  AC_LIBSOURCES([glob.c, glob_.h, glob-libc.h])
-  AC_LIBOBJ([glob])
-  AC_SUBST([GLOB_H])
-])
-
 AC_DEFUN([gl_GLOB],
 [ GLOB_H=
   AC_CHECK_HEADERS([glob.h], [], [GLOB_H=glob.h])
@@ -25,11 +15,11 @@ AC_DEFUN([gl_GLOB],
   if test -z "$GLOB_H"; then
     AC_CACHE_CHECK([for GNU glob interface version 1],
       [gl_cv_gnu_glob_interface_version_1],
-[     AC_COMPILE_IFELSE(
+[     AC_COMPILE_IFELSE([AC_LANG_SOURCE(
 [[#include <gnu-versions.h>
-char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]],
-       [gl_cv_gnu_glob_interface_version_1=yes],
-       [gl_cv_gnu_glob_interface_version_1=no])])
+char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]])],
+        [gl_cv_gnu_glob_interface_version_1=yes],
+        [gl_cv_gnu_glob_interface_version_1=no])])
 
     if test "$gl_cv_gnu_glob_interface_version_1" = "no"; then
       GLOB_H=glob.h
@@ -48,12 +38,12 @@ char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]],
       fi
 
       if test $gl_cv_glob_lists_symlinks = maybe; then
-        AC_RUN_IFELSE(
+        AC_RUN_IFELSE([
 AC_LANG_PROGRAM(
 [[#include <stddef.h>
 #include <glob.h>]],
 [[glob_t found;
-if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]]),
+if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]])],
           [gl_cv_glob_lists_symlinks=yes],
           [gl_cv_glob_lists_symlinks=no], [gl_cv_glob_lists_symlinks=no])
       fi])
@@ -65,16 +55,22 @@ if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]]),
 
   rm -f conf$$-globtest
 
-  if test -n "$GLOB_H"; then
-    gl_GLOB_SUBSTITUTE
-  fi
+  AC_SUBST([GLOB_H])
+  AM_CONDITIONAL([GL_GENERATE_GLOB_H], [test -n "$GLOB_H"])
 ])
 
 # Prerequisites of lib/glob.*.
 AC_DEFUN([gl_PREREQ_GLOB],
-[ AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
+[
+  AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
   AC_REQUIRE([AC_C_RESTRICT])dnl
-  AC_REQUIRE([AC_GNU_SOURCE])dnl
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])dnl
   AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h])dnl
-  AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r])dnl
-  :])
+  if test $ac_cv_header_sys_cdefs_h = yes; then
+    HAVE_SYS_CDEFS_H=1
+  else
+    HAVE_SYS_CDEFS_H=0
+  fi
+  AC_SUBST([HAVE_SYS_CDEFS_H])
+  AC_CHECK_FUNCS_ONCE([fstatat getlogin_r getpwnam_r])dnl
+])