cmake: omit clang-tidy on internal libs curlu and curltool

Skip clang-tidy while compiling curlu and curltool internal libraries.
To save about 1 minute per run. These libraries compile the lib and src
sources a second time, with the `UNITTESTS` macro enabled, which makes
tiny difference, for internal use. I figure it's not worth the extra CI
(and local) time because finding extra issues in these passes is
unlikely, and if found, not critical.

autotools also doesn't check curlu and curltool with clang-tidy.

Ref: https://github.com/curl/curl/pull/17680#issuecomment-2991730158
Ref: https://stackoverflow.com/questions/61867616/ignore-certain-files-when-using-clang-tidy
Ref: https://cmake.org/cmake/help/latest/prop_tgt/LANG_CLANG_TIDY.html

Follow-up to fabfa8e4024473035b3e5c3c30c330be726d9bb4 #15825

Closes #17693

diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 4a1a2fad6bfc496f715947f300e8d5c9153f30eb..23848e1ddbab53a55aa1daba75ffbe90ca23fe05 100644 (file)
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -52,7 +52,7 @@ if(CURL_BUILD_TESTING)
   target_link_libraries(curlu PRIVATE ${CURL_LIBS})
   # There is plenty of parallelism when building the testdeps target.
   # Override the curlu batch size with the maximum to optimize performance.
-  set_target_properties(curlu PROPERTIES UNITY_BUILD_BATCH_SIZE 0)
+  set_target_properties(curlu PROPERTIES UNITY_BUILD_BATCH_SIZE 0 C_CLANG_TIDY "")
 endif()
 
 ## Library definition

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bdf245ffa6a71ece1ff0c15fb7b71cfabb91bf26..abeb2b095e3bafc6a63fad1d354ddfc4f42db5cf 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -96,6 +96,7 @@ add_executable(curlinfo EXCLUDE_FROM_ALL "curlinfo.c")
 add_library(curltool STATIC EXCLUDE_FROM_ALL ${CURL_CFILES} ${CURL_HFILES})
 target_compile_definitions(curltool PUBLIC "CURL_STATICLIB" "UNITTESTS")
 target_link_libraries(curltool PRIVATE ${CURL_LIBS})
+set_target_properties(curltool PROPERTIES C_CLANG_TIDY "")
 
 if(CURL_HAS_LTO)
   set_target_properties(${EXE_NAME} PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)