better version check; handle fooX.Y

binaries too.

diff --git a/stepmake/aclocal.m4 b/stepmake/aclocal.m4
index 73f7aa94bedda2ee38cc6fb95caac8d64592d4f9..96959c09f7443eaefcaddd1eb8eba9961e13f0e4 100644 (file)
--- a/stepmake/aclocal.m4
+++ b/stepmake/aclocal.m4
@@ -32,7 +32,7 @@ AC_DEFUN(STEPMAKE_GET_VERSION, [
     ## for compatibility reasons.
     
     ## grab the first version number in  --version output.
-    eval _ver=\"\`("$1" --version || "$1" -V) 2>&1 | grep '[0-9]\.[0-9]' \
+    eval _ver=\"\`("$1" --version || "$1" -V) 2>&1 | grep ' [0-9][0-9]*\.[0-9]' \
         | head -n 1 \
        | tr ' ' '\n' | grep '[0-9]\.[0-9]' | head -n 1 | sed 's/\([0-9.]*\).*/\1/g'\`\"