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authorMichael S. Tsirkin2009-12-07 20:04:52 +0100
committerAnthony Liguori2009-12-07 23:34:37 +0100
commit7dbbbb0c9e4313cf2d2f6559b7899259fb09eb63 (patch)
treebd0a55af3c067e7ed6e2bb2c1ea0792a5f145897 /rules.mak
parentQMP: add human-readable description to error response (diff)
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qemu: delete rule target on error
Instruct make to remove any rule target on error. This prevetns situation where there was an error during build but generated file still stays behind. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'rules.mak')
-rw-r--r--rules.mak3
1 files changed, 3 insertions, 0 deletions
diff --git a/rules.mak b/rules.mak
index 16713bacd7..5d9f684c24 100644
--- a/rules.mak
+++ b/rules.mak
@@ -47,3 +47,6 @@ cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
%.h-timestamp: %.mak
$(call quiet-command, sh $(SRC_PATH)/create_config < $< > $@, " GEN $*.h")
@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
+
+# will delete the target of a rule if commands exit with a nonzero exit status
+.DELETE_ON_ERROR: