Smarter dotted version hunting.

Try sed'ing cruft away before grepping for version line.

diff --git a/stepmake/aclocal.m4 b/stepmake/aclocal.m4
index be97fa96de6dc2b1ff96b03d69f21050b5efa6e9..25a0f5426b65915f87b8c4e0831102b947db6a1f 100644 (file)
--- a/stepmake/aclocal.m4
+++ b/stepmake/aclocal.m4
@@ -34,7 +34,7 @@ AC_DEFUN(STEPMAKE_GET_VERSION, [
     ## grab the first version number in  --version output.
     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'\`\"
+       | tr ' ' '\n' | sed 's/\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g' | grep '\(^\| \)[0-9][0-9]*\.[0-9]' | head -n 1\`\"
 
     if test -z "$_ver"; then
         ## If empty, try date [fontforge]