(_AC_FUNC_FNMATCH_IF): Catch Sun Studio 10u1 on Linux

[gnulib.git] / m4 / getcwd.m4

diff --git a/m4/getcwd.m4 b/m4/getcwd.m4
index 3e7e5dc..35d0b53 100644 (file)
--- a/m4/getcwd.m4
+++ b/m4/getcwd.m4
@@ -11,15 +11,12 @@ AC_DEFUN([gl_FUNC_GETCWD_NULL],
   [
    AC_LIBSOURCES([getcwd.c, getcwd.h])
 
-   AC_CHECK_HEADERS_ONCE(unistd.h)
    AC_CACHE_CHECK([whether getcwd (NULL, 0) allocates memory for result],
      [gl_cv_func_getcwd_null],
      [AC_TRY_RUN(
         [
 #       include <stdlib.h>
-#       ifdef HAVE_UNISTD_H
-#        include <unistd.h>
-#       endif
+#       include <unistd.h>
 #       ifndef getcwd
         char *getcwd ();
 #       endif
@@ -63,6 +60,5 @@ AC_DEFUN([gl_PREREQ_GETCWD],
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_REQUIRE([AC_HEADER_DIRENT])
   AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO])
-  AC_CHECK_HEADERS_ONCE(fcntl.h)
   :
 ])