[svn-r7770] Purpose:

    More Checks

Description:
    Added checks for correctly working "basename" and "xargs" programs.
    Mike McKay was having troubles with the xargs. The basename check was
    just a good idea.

Platforms tested:
    Verbena, Arabica, Modi4

Misc. update:

1 files changed, 22 insertions, 5 deletions

diff --git a/configure.in b/configure.in
index 04bf4c8..67ec4f1 100644
--- a/configure.in
+++ b/configure.in
@@ -67,18 +67,35 @@ set >&AS_MESSAGE_LOG_FD
 AC_MSG_RESULT([done])
 
 dnl ----------------------------------------------------------------------
-dnl Some platforms have broken ``tr'' programs. Check that it actually
-dnl does what it's supposed to do. Catch this early since configure
-dnl relies upon tr heavily and there's no use continuing if it's broken.
+dnl Some platforms have broken tr, basename, and/or xargs programs. Check
+dnl that it actually does what it's supposed to do. Catch this early
+dnl since configure relies upon tr heavily and there's no use continuing
+dnl if it's broken.
 dnl
 AC_MSG_CHECKING([if tr works])
-TRTEST=`echo "Test" | tr 'a-z,' 'A-Z '`
-if test $TRTEST != "TEST"; then
+TR_TEST="`echo Test | tr 'a-z,' 'A-Z '`"
+if test $TR_TEST != "TEST"; then
   AC_MSG_ERROR([tr program doesn't work])
 else
   AC_MSG_RESULT([yes])
 fi
 
+AC_MSG_CHECKING([if basename works])
+BASENAME_TEST="`basename /foo/bar/baz/qux/basename_works`"
+if test $BASENAME_TEST != "basename_works"; then
+  AC_MSG_ERROR([basename program doesn't work])
+else
+  AC_MSG_RESULT([yes])
+fi
+
+AC_MSG_CHECKING([if xargs works])
+XARGS_TEST="`echo /foo/bar/baz/qux/xargs_works | xargs basename`"
+if test $XARGS_TEST != "xargs_works"; then
+  AC_MSG_ERROR([xargs program doesn't work])
+else
+  AC_MSG_RESULT([yes])
+fi
+
 dnl ----------------------------------------------------------------------
 dnl Check that the cache file was build on the same host as what we're
 dnl running on now.