maint: improve module indicators

* m4/gnulib-common.m4 (gl_MODULE_INDICATOR_SET_VARIABLE)
(gl_MODULE_INDICATOR, gl_MODULE_INDICATOR_FOR_TESTS): Fit in 80
columns, and avoid extra macro expansion.

Signed-off-by: Eric Blake <eblake@redhat.com>

diff --git a/ChangeLog b/ChangeLog
index 2d652c6..a30f717 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2010-03-30  Eric Blake  <eblake@redhat.com>
 
+       maint: improve module indicators
+       * m4/gnulib-common.m4 (gl_MODULE_INDICATOR_SET_VARIABLE)
+       (gl_MODULE_INDICATOR, gl_MODULE_INDICATOR_FOR_TESTS): Fit in 80
+       columns, and avoid extra macro expansion.
+
        fdopendir: work around FreeBSD bug
        * m4/dirent_h.m4 (gl_DIRENT_H_DEFAULTS): New witness.
        * m4/fdopendir.m4 (gl_FUNC_FDOPENDIR): Set it.

diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4
index f8e32e3..9cc519e 100644 (file)
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -1,4 +1,4 @@
-# gnulib-common.m4 serial 17
+# gnulib-common.m4 serial 18
 dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -48,7 +48,9 @@ AC_DEFUN([gl_MODULE_INDICATOR_CONDITION], [1])
 # a C preprocessor expression that will evaluate to 1.
 AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE],
 [
-  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=gl_MODULE_INDICATOR_CONDITION
+  GNULIB_[]m4_translit([[$1]],
+    [abcdefghijklmnopqrstuvwxyz./-],
+    [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=gl_MODULE_INDICATOR_CONDITION
 ])
 
 # gl_MODULE_INDICATOR([modulename])
@@ -65,9 +67,12 @@ AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE],
 # --------------------------------------------+---------+-----------+
 AC_DEFUN([gl_MODULE_INDICATOR],
 [
-  AC_DEFINE_UNQUOTED([GNULIB_]translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]),
+  AC_DEFINE_UNQUOTED([GNULIB_]m4_translit([[$1]],
+      [abcdefghijklmnopqrstuvwxyz./-],
+      [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]),
     [gl_MODULE_INDICATOR_CONDITION],
-    [Define to a C preprocessor expression that evaluates to 1 or 0, depending whether the gnulib module ]$1[ shall be considered present.])
+    [Define to a C preprocessor expression that evaluates to 1 or 0,
+     depending whether the gnulib module $1 shall be considered present.])
 ])
 
 # gl_MODULE_INDICATOR_FOR_TESTS([modulename])
@@ -85,8 +90,10 @@ AC_DEFUN([gl_MODULE_INDICATOR],
 # --------------------------------------------+---------+-----------+
 AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS],
 [
-  AC_DEFINE([GNULIB_TEST_]translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
-    [Define to 1 when the gnulib module ]$1[ should be tested.])
+  AC_DEFINE([GNULIB_TEST_]m4_translit([[$1]],
+      [abcdefghijklmnopqrstuvwxyz./-],
+      [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
+    [Define to 1 when the gnulib module $1 should be tested.])
 ])
 
 # m4_foreach_w