[WASM] Add SWIFTWASM_DISABLE_REFLECTION_TEST to disable building swift-reflection-test

Author: kateinoigakukun

CMakeLists.txt

@@ -369,6 +369,11 @@ option(SWIFT_REPORT_STATISTICS
     "Create json files which contain internal compilation statistics"
     FALSE)
 
+# FIXME(wasm) Reflection tests are temporalily disabled due to lack of linker features
+option(SWIFTWASM_DISABLE_REFLECTION_TEST
+    "Disable building swift-reflection-test for WebAssembly build"
+    FALSE)
+
 #
 # User-configurable experimental options.  Do not use in production builds.
 #

stdlib/private/CMakeLists.txt

@@ -27,7 +27,7 @@ if(SWIFT_BUILD_SDK_OVERLAY)
   endif()
   # Currently SwiftReflectionTest cannot be built on Windows, due to 
   # dependencies on POSIX symbols 
-  if (SWIFT_INCLUDE_TESTS AND (NOT CMAKE_SYSTEM_NAME STREQUAL "Windows"))
+  if (SWIFT_INCLUDE_TESTS AND (NOT CMAKE_SYSTEM_NAME STREQUAL "Windows") AND NOT SWIFTWASM_DISABLE_REFLECTION_TEST)
     add_subdirectory(SwiftReflectionTest)
   endif()
 endif()

test/CMakeLists.txt

@@ -252,7 +252,7 @@ foreach(SDK ${SWIFT_SDKS})
     set(test_dependencies)
     get_test_dependencies("${SDK}" test_dependencies)
 
-    if(SWIFT_BUILD_STDLIB AND SWIFT_INCLUDE_TESTS AND NOT ${SDK} STREQUAL "WASI")
+    if(SWIFT_BUILD_STDLIB AND SWIFT_INCLUDE_TESTS AND NOT SWIFTWASM_DISABLE_REFLECTION_TEST)
       # NOTE create a stub BlocksRuntime library that can be used for the
       # reflection tests
       file(WRITE ${test_bin_dir}/Inputs/BlocksRuntime.c
@@ -288,7 +288,7 @@ _Block_release(void) { }\n")
 
       endif()
 
-      if(NOT "${SDK}" STREQUAL "WASI")
+      if(NOT SWIFTWASM_DISABLE_REFLECTION_TEST)
         # wasm: Avoid to build swift-reflection-test because it uses unsupported linker flags for wasm-ld
         list(APPEND test_dependencies
             "swift-reflection-test${VARIANT_SUFFIX}_signed")

utils/build-presets.ini

@@ -2534,6 +2534,7 @@ extra-cmake-options=
     -DSWIFT_BUILD_SYNTAXPARSERLIB=FALSE
     -DCMAKE_AR="%(SOURCE_PATH)s/wasi-sdk/bin/llvm-ar"
     -DCMAKE_RANLIB="%(SOURCE_PATH)s/wasi-sdk/bin/llvm-ranlib"
+    -DSWIFTWASM_DISABLE_REFLECTION_TEST=TRUE
 
 [preset: webassembly-macos-target]
 
@@ -2549,3 +2550,4 @@ extra-cmake-options=
     -DSWIFT_BUILD_SYNTAXPARSERLIB=FALSE
     -DCMAKE_AR='/usr/local/opt/llvm/bin/llvm-ar'
     -DCMAKE_RANLIB='/usr/local/opt/llvm/bin/llvm-ranlib'
+    -DSWIFTWASM_DISABLE_REFLECTION_TEST=TRUE