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authorMisha Brukman <brukman+llvm@gmail.com>2003-11-09 21:36:19 +0000
committerMisha Brukman <brukman+llvm@gmail.com>2003-11-09 21:36:19 +0000
commit4f7a8cf8c2fed7ffc1121888a0cfa3cb0e115a2d (patch)
tree115139306fd336fe128f9e653dd9e77cded957d0
parentcc650b615d548eb213b8ef44101258c518cb3326 (diff)
If the source tree's Makefile is more up-to-date, copy it over into the build
tree. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9836 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--Makefile.rules6
1 files changed, 6 insertions, 0 deletions
diff --git a/Makefile.rules b/Makefile.rules
index af0c021234..4702534f26 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -816,6 +816,12 @@ $(LLVM_OBJ_ROOT)/config.status:: $(LLVM_SRC_ROOT)/configure
@${ECHO} "****************************************************************"
$(VERB) exit 1
+# If the Makefile in the source tree has been updated, copy it over into the
+# build tree.
+Makefile :: $(BUILD_SRC_DIR)/Makefile
+ @${ECHO} "===== Makefile out of date, updating from source dir: `dirname $<` ====="
+ cp -f $< $@
+
#
# Include dependencies generated from C/C++ source files, but not if we
# are cleaning (this example taken from the GNU Make Manual).