[Lldb-commits] [lldb] 2423265 - [lldb-dap] Fix build when using precompiled header and Xcode generator. (#196366)

[via lldb-commits]

Author: Ebuka Ezike
Date: 2026-05-08T10:21:45+01:00
New Revision: 242326570654760dd6bbd7c4120b39615518a1cf

URL: https://github.com/llvm/llvm-project/commit/242326570654760dd6bbd7c4120b39615518a1cf
DIFF: https://github.com/llvm/llvm-project/commit/242326570654760dd6bbd7c4120b39615518a1cf.diff

LOG: [lldb-dap] Fix build when using precompiled header and Xcode generator. (#196366)

When building with precompiled headers and Xcode as a generator, It adds
`obj.lldbDAP.dir/${BUILD_TYPE}/cmake_pch.xxx` but does not generate one
causing the build to fail.
This might have to do with `add_llvm_library` adding a source file
`Dummy.c` to any object it creates if using Xcode as a generator and
`lldbDAP` object not declaring it's LINK_LIBS and LINK_COMPONENTS.

Added: 
    

Modified: 
    lldb/tools/lldb-dap/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/lldb/tools/lldb-dap/CMakeLists.txt b/lldb/tools/lldb-dap/CMakeLists.txt
index 1a8f167ef0a42..0e309d79376ac 100644
--- a/lldb/tools/lldb-dap/CMakeLists.txt
+++ b/lldb/tools/lldb-dap/CMakeLists.txt
@@ -77,6 +77,13 @@ add_lldb_library(lldbDAP OBJECT
   Protocol/ProtocolRequests.cpp
   )
 
+# When building with precompiled headers and Xcode as a generator,
+# It adds obj.lldbDAP.dir/${BUILD_TYPE}/cmake_pch.xxx but does not generate one
+# causing the build to fail.
+if(CMAKE_GENERATOR STREQUAL "Xcode")
+  set_target_properties(lldbDAP PROPERTIES DISABLE_PRECOMPILE_HEADERS ON)
+endif()
+
 target_include_directories(lldbDAP
   PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})