* m4/include_next.m4 (gl_CHECK_NEXT_HEADERS): Check some typos

exposed by Sun Studio 11 cc on Solaris 8.

diff --git a/ChangeLog b/ChangeLog
index 9fdea13..7853b70 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-06-23  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * m4/include_next.m4 (gl_CHECK_NEXT_HEADERS): Check some typos
+       exposed by Sun Studio 11 cc on Solaris 8.
+
 2007-06-22  Bruno Haible  <bruno@clisp.org>
 
        * gnulib-tool (echo): Ensure the echo primitive does not interpret

diff --git a/m4/include_next.m4 b/m4/include_next.m4
index dfd5ec5..4dc84c9 100644 (file)
--- a/m4/include_next.m4
+++ b/m4/include_next.m4
@@ -1,4 +1,4 @@
-# include_next.m4 serial 2
+# include_next.m4 serial 3
 dnl Copyright (C) 2006, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -49,12 +49,15 @@ AC_DEFUN([gl_CHECK_NEXT_HEADERS],
   AC_FOREACH([gl_HEADER_NAME], [$1],
     [AS_VAR_PUSHDEF([gl_next_header],
                    [gl_cv_next_]m4_quote(m4_defn([gl_HEADER_NAME])))
-     AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
-     if test $gl_cv_have_include_next = no; then
+     if test $gl_cv_have_include_next = yes; then
+       AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
+     else
        AC_CACHE_CHECK(
         [absolute name of <]m4_quote(m4_defn([gl_HEADER_NAME]))[>],
         m4_quote(m4_defn([gl_next_header])),
-        [if test AS_VAR_GET([ac_cv_header_]m4_quote(m4_defn([gl_HEADER_NAME]))) = yes; then
+        [AS_VAR_PUSHDEF([gl_header_exists],
+                        [ac_cv_header_]m4_quote(m4_defn([gl_HEADER_NAME])))
+         if test AS_VAR_GET(gl_header_exists) = yes; then
            AC_LANG_CONFTEST(
              [AC_LANG_SOURCE(
                 [[#include <]]m4_dquote(m4_defn([gl_HEADER_NAME]))[[>]]
@@ -70,7 +73,10 @@ AC_DEFUN([gl_CHECK_NEXT_HEADERS],
                 p
                 q
               }'`'"'])
-         fi])
+         else
+           AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
+         fi
+         AS_VAR_POPDEF([gl_header_exists])])
      fi
      AC_SUBST(
        AS_TR_CPP([NEXT_]m4_quote(m4_defn([gl_HEADER_NAME]))),