From 5c2c5961a6142fc0bf0c9f992ff76b4a32ad65e4 Mon Sep 17 00:00:00 2001
From: Jan Vorlicek <janvorli@microsoft.com>
Date: Tue, 16 Oct 2018 16:42:07 -0700
Subject: Enable building with Clang 7 (#20417)

The Clang 7 is the first version in which only the major version is used in
file names and paths. So the change needed to massage the build files a bit
more than what was needed for the previous versions.
---
 src/pal/tools/gen-buildsys-clang.sh | 28 +++++++++-------------------
 1 file changed, 9 insertions(+), 19 deletions(-)

(limited to 'src/pal/tools')

diff --git a/src/pal/tools/gen-buildsys-clang.sh b/src/pal/tools/gen-buildsys-clang.sh
index 32a217f301..a644653350 100755
--- a/src/pal/tools/gen-buildsys-clang.sh
+++ b/src/pal/tools/gen-buildsys-clang.sh
@@ -20,21 +20,24 @@ fi
 # Set up the environment to be used for building with clang.
 if command -v "clang-$2.$3" > /dev/null
     then
-        export CC="$(command -v clang-$2.$3)"
-        export CXX="$(command -v clang++-$2.$3)"
+        desired_llvm_version="-$2.$3"
 elif command -v "clang$2$3" > /dev/null
     then
-        export CC="$(command -v clang$2$3)"
-        export CXX="$(command -v clang++$2$3)"
+        desired_llvm_version="$2$3"
+elif command -v "clang-$2$3" > /dev/null
+    then
+        desired_llvm_version="-$2$3"
 elif command -v clang > /dev/null
     then
-        export CC="$(command -v clang)"
-        export CXX="$(command -v clang++)"
+        desired_llvm_version=
 else
     echo "Unable to find Clang Compiler"
     exit 1
 fi
 
+export CC="$(command -v clang$desired_llvm_version)"
+export CXX="$(command -v clang++$desired_llvm_version)"
+
 build_arch="$4"
 buildtype=DEBUG
 code_coverage=OFF
@@ -79,19 +82,6 @@ else
   exit 1
 fi
 
-desired_llvm_major_version=$2
-desired_llvm_minor_version=$3
-if [ $OS = "FreeBSD" ]; then
-    desired_llvm_version="$desired_llvm_major_version$desired_llvm_minor_version"
-elif [ $OS = "OpenBSD" ]; then
-    desired_llvm_version=""
-elif [ $OS = "NetBSD" ]; then
-    desired_llvm_version=""
-elif [ $OS = "SunOS" ]; then
-    desired_llvm_version=""
-else
-  desired_llvm_version="-$desired_llvm_major_version.$desired_llvm_minor_version"
-fi
 locate_llvm_exec() {
   if command -v "$llvm_prefix$1$desired_llvm_version" > /dev/null 2>&1
   then
-- 
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