From 68d52bdd56fcbd950a34c3465fc09b495fb52882 Mon Sep 17 00:00:00 2001
From: Rintaro Ishizaki <rishizaki@apple.com>
Date: Sat, 14 Oct 2023 06:22:19 +0000
Subject: [PATCH] [CMake] Add module ABI name prefix to swift-syntax libraries

Add 'Compiler' prefix to ABI names of swift-syntax libraries so that
compiler libraries (e.g. sourcekitdInProc) can be used from binaries
linking with swift-syntax (e.g. via SwiftPM)

https://github.com/apple/swift/issues/68812
rdar://116951101
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4bbc0f923ee87..027ca16521e8e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1353,6 +1353,9 @@ if(SWIFT_INCLUDE_TOOLS)
     if(SWIFT_HOST_VARIANT_SDK MATCHES "LINUX|ANDROID|OPENBSD|FREEBSD")
       set(SWIFT_HOST_LIBRARIES_RPATH "$ORIGIN;$ORIGIN/../${SWIFT_SDK_${SWIFT_HOST_VARIANT_SDK}_LIB_SUBDIR}")
     endif()
+    # Add unique ABI prefix to swift-syntax libraries so that compiler libraries (e.g. sourcekitdInProc)
+    # can be used from tools that has its own swift-syntax libraries as SwiftPM dependencies.
+    set(SWIFT_MODULE_ABI_NAME_PREFIX "Compiler")
 
     file(TO_CMAKE_PATH "${SWIFT_PATH_TO_SWIFT_SYNTAX_SOURCE}" swift_syntax_path)
     FetchContent_Declare(SwiftSyntax