[llvm] [offload] Standalone build fixes (PR #118173)

[Matt Arsenault via llvm-commits]

=?utf-8?q?Michał_Górny?= <mgorny at gentoo.org>,
=?utf-8?q?Michał_Górny?= <mgorny at gentoo.org>,
=?utf-8?q?Michał_Górny?= <mgorny at gentoo.org>,
=?utf-8?q?Michał_Górny?= <mgorny at gentoo.org>,
=?utf-8?q?Michał_Górny?= <mgorny at gentoo.org>,
=?utf-8?q?Michał_Górny?= <mgorny at gentoo.org>,
=?utf-8?q?Michał_Górny?= <mgorny at gentoo.org>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/118173 at github.com>


================
@@ -136,7 +125,7 @@ if (${OPENMP_STANDALONE_BUILD})
   # project is built which is too late for detecting the compiler...
   file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/DetectTestCompiler)
   execute_process(
-    COMMAND ${CMAKE_COMMAND} -G${CMAKE_GENERATOR} ${CMAKE_CURRENT_LIST_DIR}/DetectTestCompiler
+    COMMAND ${CMAKE_COMMAND} -G${CMAKE_GENERATOR} ${CMAKE_SOURCE_DIR}/../openmp/cmake/DetectTestCompiler
----------------
arsenm wrote:

It's nearly always wrong to use CMAKE_SOURCE_DIR instead of CMAKE_CURRENT_SOURCE_DIR

https://github.com/llvm/llvm-project/pull/118173