From: Bruno Haible <bruno@clisp.org>
Date: Mon, 26 Mar 2007 10:24:24 +0000 (+0000)
Subject: Don't use unportable shell statement.
X-Git-Tag: cvs-readonly~660
X-Git-Url: http://erislabs.net/gitweb/?a=commitdiff_plain;h=ff139a52812db1c77d80b8d19beb6216527e6a68;p=gnulib.git

Don't use unportable shell statement.
---

diff --git a/ChangeLog b/ChangeLog
index 61d5e88e9..01f2b9f3c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-03-26  Bruno Haible  <bruno@clisp.org>
+
+	* m4/vasnprintf.m4 (gl_PREREQ_VASNPRINTF_DIRECTIVE_A): Don't use
+	unportable shell command "if ! ...".
+	Reported by Ralf Wildenhues.
+
 2007-03-25  Bruno Haible  <bruno@clisp.org>
 
 	* lib/sysexit_,h: If HAVE_SYSEXITS_H is defined, include the original
diff --git a/m4/vasnprintf.m4 b/m4/vasnprintf.m4
index a225c1c47..7cd758943 100644
--- a/m4/vasnprintf.m4
+++ b/m4/vasnprintf.m4
@@ -66,12 +66,14 @@ AC_DEFUN([gl_PREREQ_VASNPRINTF],
 AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A],
 [
   AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
-  if ! expr "$gl_cv_func_printf_directive_a" : ".*yes" > /dev/null; then
-    AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
-      [Define if the vasnprintf implementation needs special code for
-       the 'a' and 'A' directives.])
-    AC_CHECK_FUNCS([nl_langinfo])
-  fi
+  case "$gl_cv_func_printf_directive_a" in
+    *yes)
+      AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
+        [Define if the vasnprintf implementation needs special code for
+         the 'a' and 'A' directives.])
+      AC_CHECK_FUNCS([nl_langinfo])
+      ;;
+  esac
 ])
 
 # Prerequisites of lib/asnprintf.c.