Swift: expose Swift version

CMakeLists.txt

@@ -13,6 +13,13 @@ message("Using Swift_CONFIG: ${Clang_CONFIG}")
 add_executable(codeql-swift-artifacts empty.cpp)
 target_link_libraries(codeql-swift-artifacts PRIVATE LLVMSupport swiftFrontendTool swiftCompilerModules)
 
+set (CODEQL_SWIFT_VERSION_MAJOR ${SWIFT_VERSION_MAJOR})
+set (CODEQL_SWIFT_VERSION_MINOR ${SWIFT_VERSION_MINOR})
+set (CODEQL_SWIFT_VERSION_PATCH ${SWIFT_VERSION_PATCH})
+
+configure_file(${CMAKE_SOURCE_DIR}/CodeQLSwiftVersion.h.in
+               ${SWIFT_BINARY_DIR}/include/swift/CodeQLSwiftVersion.h)
+
 if(APPLE)
   execute_process(
     COMMAND xcrun -find swiftc

CodeQLSwiftVersion.h.in

@@ -0,0 +1,9 @@
+#ifndef CODEQL_SWIFT_VERSION_H
+#define CODEQL_SWIFT_VERSION_H
+
+#cmakedefine CODEQL_SWIFT_VERSION_MAJOR @CODEQL_SWIFT_VERSION_MAJOR@
+#cmakedefine CODEQL_SWIFT_VERSION_MINOR @CODEQL_SWIFT_VERSION_MINOR@
+#cmakedefine CODEQL_SWIFT_VERSION_PATCH @CODEQL_SWIFT_VERSION_PATCH@
+
+#endif // CODEQL_SWIFT_VERSION_H
+

patches/swift/expose-swift-version.patch

@@ -0,0 +1,15 @@
+diff --git a/cmake/modules/SwiftConfig.cmake.in b/cmake/modules/SwiftConfig.cmake.in
+index 262ed49d8fc..e13988f1513 100644
+--- a/cmake/modules/SwiftConfig.cmake.in
++++ b/cmake/modules/SwiftConfig.cmake.in
+@@ -2,6 +2,10 @@
+
+ @SWIFT_CONFIG_CODE@
+
++set(SWIFT_VERSION_MAJOR @SWIFT_VERSION_MAJOR@)
++set(SWIFT_VERSION_MINOR @SWIFT_VERSION_MINOR@)
++set(SWIFT_VERSION_PATCH @SWIFT_VERSION_PATCHLEVEL@)
++
+ set(SWIFT_VERSION @SWIFT_VERSION@)
+ set(SWIFT_MAIN_SRC_DIR @SWIFT_SOURCE_DIR@)
+

pkg_swift_llvm.py

@@ -61,6 +61,7 @@ def configure_dummy_project(tmp, prefixes):
     print(script_dir)
     shutil.copy(script_dir / "CMakeLists.txt", tmp / "CMakeLists.txt")
     shutil.copy(script_dir / "empty.cpp", tmp / "empty.cpp")
+    shutil.copy(script_dir / "CodeQLSwiftVersion.h.in", tmp / "CodeQLSwiftVersion.h.in")
     tgt = tmp / "build"
     tgt.mkdir()
     prefixes = ';'.join(str(p) for p in prefixes)