Build system fix distclean error for pixman

  Currently Makefile test if pixman have configure log, but the script directly
return error if that file do not exist. This patch fix it.

Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

diff --git a/Makefile b/Makefile
index 3e8d441637b069c4c1ca8dc832c88c8b9729c828..9ecbcbb0a7cd83f1b2139082e7788bd73e997c8f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -286,7 +286,7 @@ distclean: clean
        for d in $(TARGET_DIRS) $(QEMULIBS); do \
        rm -rf $$d || exit 1 ; \
         done
-       test -f pixman/config.log && make -C pixman distclean
+       if test -f pixman/config.log; then make -C pixman distclean; fi
 
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