[clang-tools-extra] [clang-doc] create a separate cmake file for clang-doc's LIT tests (PR #165935)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-tools-extra

Author: Erick Velez (evelez7)

<details>
<summary>Changes</summary>

To avoid depending on all of the tools in clang-tools-extra, the
`check-clang-extra-clang-doc` target is specialized in its own CMake
file in clang-tools-extra/test/clang-doc. This eliminates around 800
files to be processed when building that target, plus linking every
tool.

---
Full diff: https://github.com/llvm/llvm-project/pull/165935.diff


2 Files Affected:

- (modified) clang-tools-extra/test/CMakeLists.txt (+3) 
- (added) clang-tools-extra/test/clang-doc/CMakeLists.txt (+6) 


``````````diff
diff --git a/clang-tools-extra/test/CMakeLists.txt b/clang-tools-extra/test/CMakeLists.txt
index a70d2ef2d92f2..78447e7a00db8 100644
--- a/clang-tools-extra/test/CMakeLists.txt
+++ b/clang-tools-extra/test/CMakeLists.txt
@@ -87,4 +87,7 @@ add_lit_testsuite(check-clang-extra "Running clang-tools-extra/test"
 
 add_lit_testsuites(CLANG-EXTRA ${CMAKE_CURRENT_SOURCE_DIR}
   DEPENDS ${CLANG_TOOLS_TEST_DEPS}
+   SKIP "^clang-doc"
   )
+
+add_subdirectory(clang-doc)
diff --git a/clang-tools-extra/test/clang-doc/CMakeLists.txt b/clang-tools-extra/test/clang-doc/CMakeLists.txt
new file mode 100644
index 0000000000000..fd2230660bdef
--- /dev/null
+++ b/clang-tools-extra/test/clang-doc/CMakeLists.txt
@@ -0,0 +1,6 @@
+# Specialize the clang-doc target to avoid building other projects
+add_lit_testsuite(check-clang-extra-clang-doc "Running clang-doc tests"
+  ${CMAKE_CURRENT_BINARY_DIR}
+  DEPENDS clang-doc
+  DEPENDS ${LLVM_UTILS_DEPS}
+)

``````````

</details>


https://github.com/llvm/llvm-project/pull/165935