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| author | Daniel Dunbar <daniel@zuster.org> | 2010-05-10 20:11:56 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2010-05-10 20:11:56 +0000 |
| commit | dd464df687faf544e83684d0c0e4da87c05f8bfe (patch) | |
| tree | 66f95a61bd7cc78619360621787c82f9171a6e31 /Makefile.rules | |
| parent | faa19c32a244efdd3d9d546d938389a42537d949 (diff) | |
| download | llvm-dd464df687faf544e83684d0c0e4da87c05f8bfe.tar.gz llvm-dd464df687faf544e83684d0c0e4da87c05f8bfe.tar.bz2 llvm-dd464df687faf544e83684d0c0e4da87c05f8bfe.tar.xz | |
Add new configure option, --disable-timestamps, intended to turn off anything which would mess up binary/object comparisons. Currently:
- Disables 'Built on ...' in 'foo --version'.
- Disables timestamps from being embedded into .dir files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103423 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'Makefile.rules')
| -rw-r--r-- | Makefile.rules | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Makefile.rules b/Makefile.rules index d70215e94a..d77fe27b27 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -447,6 +447,14 @@ else endif endif +# Support makefile variable to disable any kind of timestamp/non-deterministic +# info from being used in the build. +ifeq ($(ENABLE_TIMESTAMPS),1) + DOTDIR_TIMESTAMP_COMMAND := $(DATE) +else + DOTDIR_TIMESTAMP_COMMAND := echo 'Created.' +endif + ifeq ($(HOST_OS),MingW) # Work around PR4957 CPP.Defines += -D__NO_CTYPE_INLINE @@ -779,7 +787,7 @@ $(DESTDIR)$(PROJ_bindir) $(DESTDIR)$(PROJ_libdir) $(DESTDIR)$(PROJ_includedir) $ # To create other directories, as needed, and timestamp their creation %/.dir: $(Verb) $(MKDIR) $* > /dev/null - $(Verb) $(DATE) > $@ + $(Verb) $(DOTDIR_TIMESTAMP_COMMAND) > $@ .PRECIOUS: $(ObjDir)/.dir $(LibDir)/.dir $(ToolDir)/.dir $(ExmplDir)/.dir .PRECIOUS: $(LLVMLibDir)/.dir $(LLVMToolDir)/.dir $(LLVMExmplDir)/.dir |