Trying again to tweak the top-level Makefile to facilitate an Apple-style build.

[oota-llvm.git] / Makefile

diff --git a/Makefile b/Makefile
index f3bf3f2345eb8aba6ba202f36e0573579bc2fce9..d2000b48387af043d50255169d2c1a222a1bf6e1 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,12 @@ LEVEL := .
 #
 # When cross-compiling, there are some things (tablegen) that need to
 # be build for the build system first.
+
+# If "RC_ProjectName" exists in the environment, and its value is
+# "llvmCore", then this is an "Apple-style" build; search for
+# "Apple-style" in the comments for more info.  Anything else is a
+# normal build.
+ifneq ($(RC_ProjectName),llvmCore)  # Normal build (not "Apple-style").
 ifeq ($(BUILD_DIRS_ONLY),1)
   DIRS := lib/System lib/Support utils
   OPTIONAL_DIRS :=
@@ -211,3 +217,9 @@ happiness: update all check unittests
 
 .NOTPARALLEL:
 
+else # Building "Apple-style."
+# In an Apple-style build, once configuration is done, lines marked
+# "Apple-style" are removed with sed!  Please don't remove these!
+# Look for the string "Apple-style" in utils/buildit/build_llvm.
+include $(shell find . -name GNUmakefile) # Building "Apple-style."
+endif # Building "Apple-style."