[compiler-rt] r283166 - Support configurable path to LLVM src

[Vitaly Buka via llvm-commits]

Author: vitalybuka
Date: Mon Oct  3 19:06:23 2016
New Revision: 283166

URL: http://llvm.org/viewvc/llvm-project?rev=283166&view=rev
Log:
Support configurable path to LLVM src

Modified:
    compiler-rt/trunk/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh

Modified: compiler-rt/trunk/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh?rev=283166&r1=283165&r2=283166&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh (original)
+++ compiler-rt/trunk/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh Mon Oct  3 19:06:23 2016
@@ -23,15 +23,14 @@ SCRIPT_DIR="$(cd "$(dirname "$0")" && pw
 SRC_DIR=$(readlink -f $SCRIPT_DIR/..)
 TARGE_DIR=$(readlink -f $1)
 
-LLVM_SRC=$(readlink -f $SCRIPT_DIR/../../../../../..)
+LLVM_SRC="${LLVM_SRC:-$SCRIPT_DIR/../../../../../..}"
+LLVM_SRC=$(readlink -f $LLVM_SRC)
 
-if [[ "$LLVM_SRC" == "" ||
-      ! -d "${LLVM_SRC}/projects/libcxxabi" ||
+if [[ ! -d "${LLVM_SRC}/projects/libcxxabi" ||
       ! -d "${LLVM_SRC}/projects/libcxx" ]]; then
   echo "Missing or incomplete LLVM_SRC"
   exit 1
 fi
-LLVM_SRC=$(readlink -f $LLVM_SRC)
 
 if [[ "$ZLIB_SRC" == ""  ||
       ! -x "${ZLIB_SRC}/configure" ||