X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=include%2Fprereq-build.mk;h=c31020c3211d528acca14d8d4a1a233652dfb1d6;hp=d3aec643999c81501b5adc8f73d7189097dfc6ac;hb=5b4bfbd6d4e17f601cbf66d998cc788a62ac3f4d;hpb=7cb9801c8b7210ac7877aee3fa716f0a2097d3a2

diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index d3aec64399..c31020c321 100644
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -52,7 +52,8 @@ $(eval $(call Require,working-gcc, \
 
 define Require/working-g++
 	echo 'int main(int argc, char **argv) { return 0; }' | \
-		g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ -
+		g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ - && \
+		$(TMP_DIR)/a.out
 endef
 
 $(eval $(call Require,working-g++, \
@@ -121,3 +122,4 @@ $(eval $(call Require,gnutar, \
 $(eval $(call RequireCommand,autoconf, \
 	Please install GNU autoconf. \
 ))
+