Fix a bug in the following scenario.
1. llvm is built with objroot = OBJ and installed.
2. OBJ is deleted or install tree is shipped.
3. llvm-config is run.
In this scenario, llvm-config shouldn't emit an error message at #3, it
should just know it's not running in the objdir :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28704 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-config/llvm-config.in.in b/tools/llvm-config/llvm-config.in.in
index 12d8a57..5f9c9d9 100644
--- a/tools/llvm-config/llvm-config.in.in
+++ b/tools/llvm-config/llvm-config.in.in
@@ -63,7 +63,8 @@
chomp($ABS_RUN_DIR);
# Compute the absolute object directory build, e.g. "foo/llvm/Debug".
-my $ABS_OBJ_ROOT = `cd $LLVM_OBJ_ROOT/$LLVM_BUILDMODE; pwd`;
+my $ABS_OBJ_ROOT = "$LLVM_OBJ_ROOT/$LLVM_BUILDMODE";
+$ABS_OBJ_ROOT = `cd $ABS_OBJ_ROOT; pwd` if (-d $ABS_OBJ_ROOT);
chomp($ABS_OBJ_ROOT);
my $INCLUDEDIR = "$ABS_RUN_DIR/include";