[build] exclude hidden dirs from the build candidates

make sure we don't try to build in .svn, .pc, .git or other SCM metadata
directories.

Guido Günther <agx@sigxcpu.org>

diff --git a/Makefile b/Makefile
index aacede3..ee554e7 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ endif
 export KRNLSRC
 export KRNLOBJ
 
-BUILDDIRS = $(shell find . -mindepth 2 -name Makefile -exec dirname {} \; | grep -v ^lib)
+BUILDDIRS = $(shell find . -mindepth 2 -name Makefile -exec dirname {} \; | grep -vE '^lib|/\.')
 
 ifeq   ($(MULTIPATH_VERSION),)
 VERSION = $(shell basename ${PWD} | cut -d'-' -f3)