Makefile: Do not generate files if "configure" has not been run yet
When doing a "make -j10" in the vanilla QEMU source tree (without
running "configure" first), the Makefile currently generates two
files already, qemu-version.h and qemu-options.def. This should not
happen, so let's only build the generated files if config-host.mak
is available (i.e. "configure" has been run already).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1496926799-13040-1-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/Makefile b/Makefile
index c830d7a..32d4441 100644
--- a/Makefile
+++ b/Makefile
@@ -791,9 +791,11 @@
# Add a dependency on the generated files, so that they are always
# rebuilt before other object files
+ifneq ($(wildcard config-host.mak),)
ifneq ($(filter-out $(UNCHECKED_GOALS),$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
Makefile: $(GENERATED_FILES)
endif
+endif
.SECONDARY: $(TRACE_HEADERS) $(TRACE_HEADERS:%=%-timestamp) \
$(TRACE_SOURCES) $(TRACE_SOURCES:%=%-timestamp) \
