?= is not enought for LLVMCONFIG - it gets set to " " if "unset". Thus use ifeq($(strip...
?= is not enought for LLVMCONFIG - it gets set to " " if "unset".
Thus use ifeq($(strip...

Implement make variable FORCELLVM to force a build of llvm (in case there are local changes) like this:
make FORCELLVM=1
*** Building interpreter/llvm/inst/lib/libclang.a...
Note that this triggers a make install, i.e. anything in ROOT depending on llvm will be rebuilt.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@45736 27541ba8-7e3a-0410-8455-c3a389f83636

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