fix up TMPDIR for initial prereq check to avoid creating a bogus build_ directory

git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4617 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/Makefile b/Makefile
index 5b90c482f0a657420986e1eb3d15762af22ba8b6..15074c58c3afe66f3bcccea05a5c13a116c5899b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -96,10 +96,11 @@ toolchain/%: FORCE
        @touch $@
 
 .prereq-packages: include/prereq.mk .pkginfo .config
-       @$(NO_TRACE_MAKE) -s -C package prereq 2>/dev/null || { \
+       @$(NO_TRACE_MAKE) -s -C package TMPDIR="$(TOPDIR)/tmp" prereq 2>/dev/null || { \
                echo "Prerequisite check failed. Use FORCE=1 to override."; \
                false; \
        }
+       rm -rf "$(TOPDIR)/tmp"
        @touch $@
        
 prereq: .prereq-build .prereq-packages FORCE