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Tweak top-level Makefile to facilitate Apple-style build.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84507 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Stuart Hastings 2009-10-19 17:53:54 +00:00
parent ed748a0677
commit 93d8cd8072
3 changed files with 11 additions and 1 deletions
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6
Makefile
View File

@ -19,6 +19,7 @@ LEVEL := .
#
# When cross-compiling, there are some things (tablegen) that need to
# be build for the build system first.
ifndef RC_ARCHS # Normal build (not "Apple-style").
ifeq ($(BUILD_DIRS_ONLY),1)
DIRS := lib/System lib/Support utils
OPTIONAL_DIRS :=
@ -211,3 +212,8 @@ happiness: update all check unittests
.NOTPARALLEL:
else # Building "Apple-style."
# N.B. In an Apple-style build, once configuration is done, lines
# marked "Apple-style" are removed with sed! See utils/buildit/build_llvm.
include utils/buildit/GNUmakefile # Building "Apple-style."
endif # Building "Apple-style."

2
utils/buildit/GNUmakefile
View File

@ -59,7 +59,7 @@ endif
# NOTE : Always put version numbers at the end because they are optional.
install: $(OBJROOT) $(SYMROOT) $(DSTROOT)
cd $(OBJROOT) && \
$(SRC)/build_llvm "$(RC_ARCHS)" "$(TARGETS)" \
$(SRC)/utils/buildit/build_llvm "$(RC_ARCHS)" "$(TARGETS)" \
$(SRC) $(PREFIX) $(DSTROOT) $(SYMROOT) \
$(LLVM_ASSERTIONS) $(LLVM_OPTIMIZED) \
$(RC_ProjectSourceVersion) $(RC_ProjectSourceSubversion)

4
utils/buildit/build_llvm
View File

@ -82,6 +82,10 @@ SRC_DIR=$DIR/src
rm -rf $SRC_DIR || exit 1
mkdir $SRC_DIR || exit 1
ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1
# We can't use the top-level Makefile as-is. Remove the soft link:
rm $SRC_DIR/Makefile || exit 1
# Now create our own by editing the top-level Makefile, deleting every line marked "Apple-style":
sed -e '/[Aa]pple-style/d' -e '/include.*GNUmakefile/d' $ORIG_SRC_DIR/Makefile > $SRC_DIR/Makefile || exit 1
# Build the LLVM tree universal.
mkdir -p $DIR/obj-llvm || exit 1