From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 11 Jan 2007 05:59:16 +0000 (+0000)
Subject: * m4/shell.m4 (AC_PROG_SHELL): Test that $(...) works.
X-Git-Tag: v1.3.12~13
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=39e7cc6443d3307d24f3412b4f5690c58d7734bc;p=debian%2Fgzip

* m4/shell.m4 (AC_PROG_SHELL): Test that $(...) works.
Problem reported for SGI IRIX 6 by Nelson H. F. Beebe in
<http://lists.gnu.org/archive/html/bug-gzip/2007-01/msg00007.html>.
---

diff --git a/ChangeLog b/ChangeLog
index 2f62ed2..b8415aa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-10  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* m4/shell.m4 (AC_PROG_SHELL): Test that $(...) works.
+	Problem reported for SGI IRIX 6 by Nelson H. F. Beebe in
+	<http://lists.gnu.org/archive/html/bug-gzip/2007-01/msg00007.html>.
+
 2007-01-04  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* zdiff.in (cmp0): New var.
diff --git a/m4/shell.m4 b/m4/shell.m4
index 7eb4707..78ed36c 100644
--- a/m4/shell.m4
+++ b/m4/shell.m4
@@ -1,4 +1,4 @@
-#serial 4
+#serial 5
 
 # AC_PROG_SHELL
 # -------------
@@ -15,6 +15,8 @@ AC_DEFUN([AC_PROG_SHELL],
 	>conftest.c || exit
 	>|conftest.c || exit
 	!>conftest.c || exit
+	# Test that $(...) works.
+	test "$(expr 3 + 4)" = 7 || exit
       '
       ac_cv_path_shell=no