lld/0001-PATCH-lld-CMake-Check-for-gtest-headers-even-if-lit..patch

From 515de0163e1e9653023418c5d5d832d45f98025b Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar@redhat.com>
Date: Tue, 14 Feb 2023 12:10:42 -0300
Subject: [PATCH] CMake: Check for gtest headers even if lit.py is not present

This makes it possible to build the unittests even withotu a full
checkout of the llvm source tree.
---
 lld/CMakeLists.txt | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/lld/CMakeLists.txt b/lld/CMakeLists.txt
index 3d6225646fe6..f86ac98957c4 100644
--- a/lld/CMakeLists.txt
+++ b/lld/CMakeLists.txt
@@ -66,6 +66,15 @@ if(LLD_BUILT_STANDALONE)
       set(LLVM_UTILS_PROVIDED ON)
     endif()
 
+    # Check for gtest
+    set(UNITTEST_DIR ${LLVM_THIRD_PARTY_DIR}/utils/unittest)
+    if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
+        AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
+        AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
+      add_subdirectory(${UNITTEST_DIR} utils/unittest)
+    endif()
+
+    # Check for lit
     if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
       # Note: path not really used, except for checking if lit was found
       set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
@@ -75,12 +84,6 @@ if(LLD_BUILT_STANDALONE)
         set(LLVM_UTILS_PROVIDED ON)
         set(LLD_TEST_DEPS FileCheck not)
       endif()
-      set(UNITTEST_DIR ${LLVM_THIRD_PARTY_DIR}/unittest)
-      if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
-          AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
-          AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
-        add_subdirectory(${UNITTEST_DIR} third-party/unittest)
-      endif()
     else()
       # Seek installed Lit.
       find_program(LLVM_LIT
-- 
2.39.1