Files
swift-mirror/cmake/modules/SwiftCompilerCapability.cmake
Rintaro Ishizaki 07be0d26cd [CMake] Avoid 'swiftc -parse' with stdin to check compiler capability
When the host compiler is built with assertions, 'swiftc -parse -'
hits an assertion failure, which fails the capability checks.

```
Assertion failed: [&]() -> bool { if (FrontendOptions::shouldActionOnlyParse(Action)) { return llvm::all_of( opts.InputsAndOutputs.getAllInputs(), [](const InputFile &IF) { const auto kind = IF.getType(); return kind == file_types::TY_Swift || kind == file_types::TY_SwiftModuleInterfaceFile; }); } return true; }() && "Only supports parsing .swift files", file C:\Users\swift-ci\jenkins\workspace\swift-main-windows-toolchain\swift\lib\FrontendTool\FrontendTool.cpp, line 1737
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.      Program arguments: S:\\b\\toolchains\\DEVELOPMENT-SNAPSHOT-2025-12-01-a\\LocalApp\\Programs\\Swift\\Toolchains\\0.0.0+Asserts\\usr\\bin\\swift-frontend.exe -frontend -parse -primary-file - -target x86_64-unknown-windows-msvc -disable-objc-interop -no-color-diagnostics -Xcc -fno-color-diagnostics -disable-implicit-string-processing-module-import -empty-abi-descriptor -no-auto-bridging-header-chaining -module-name main -in-process-plugin-server-path S:\\b\\toolchains\\DEVELOPMENT-SNAPSHOT-2025-12-01-a\\LocalApp\\Programs\\Swift\\Toolchains\\0.0.0+Asserts\\usr\\bin\\SwiftInProcPluginServer.dll -plugin-path S:\\b\\toolchains\\DEVELOPMENT-SNAPSHOT-2025-12-01-a\\LocalApp\\Programs\\Swift\\Toolchains\\0.0.0+Asserts\\usr\\bin -plugin-path S:\\b\\toolchains\\DEVELOPMENT-SNAPSHOT-2025-12-01-a\\LocalApp\\Programs\\Swift\\Toolchains\\0.0.0+Asserts\\usr\\local\\bin -autolink-library oldnames -autolink-library msvcrt -Xcc -D_MT -Xcc -D_DLL
1.      Swift version 6.3-dev (LLVM 35f48306184cd25, Swift a69dbb3366)
2.      Compiling with effective version 5.10
Exception Code: 0x80000003
 #0 0x00007ff7a6efdda5 (S:\b\toolchains\DEVELOPMENT-SNAPSHOT-2025-12-01-a\LocalApp\Programs\Swift\Toolchains\0.0.0+Asserts\usr\bin\swift-frontend.exe+0x722dda5)
 #1 0x00007ff94d8b1989 (C:\WINDOWS\System32\ucrtbase.dll+0xc1989)
 #2 0x00007ff94d894ab1 (C:\WINDOWS\System32\ucrtbase.dll+0xa4ab1)
 #3 0x00007ff94d8b2986 (C:\WINDOWS\System32\ucrtbase.dll+0xc2986)
 #4 0x00007ff94d8b2b61 (C:\WINDOWS\System32\ucrtbase.dll+0xc2b61)
 #5 0x00007ff7a02d944d (S:\b\toolchains\DEVELOPMENT-SNAPSHOT-2025-12-01-a\LocalApp\Programs\Swift\Toolchains\0.0.0+Asserts\usr\bin\swift-frontend.exe+0x60944d)
 #6 0x00007ff7a02db914 (S:\b\toolchains\DEVELOPMENT-SNAPSHOT-2025-12-01-a\LocalApp\Programs\Swift\Toolchains\0.0.0+Asserts\usr\bin\swift-frontend.exe+0x60b914)
 #7 0x00007ff7a011b19e (S:\b\toolchains\DEVELOPMENT-SNAPSHOT-2025-12-01-a\LocalApp\Programs\Swift\Toolchains\0.0.0+Asserts\usr\bin\swift-frontend.exe+0x44b19e)
 #8 0x00007ff7a011ad57 (S:\b\toolchains\DEVELOPMENT-SNAPSHOT-2025-12-01-a\LocalApp\Programs\Swift\Toolchains\0.0.0+Asserts\usr\bin\swift-frontend.exe+0x44ad57)
 #9 0x00007ff7a6f667d0 (S:\b\toolchains\DEVELOPMENT-SNAPSHOT-2025-12-01-a\LocalApp\Programs\Swift\Toolchains\0.0.0+Asserts\usr\bin\swift-frontend.exe+0x72967d0)
#10 0x00007ff94e6be8d7 (C:\WINDOWS\System32\KERNEL32.DLL+0x2e8d7)
#11 0x00007ff94fe2c40c (C:\WINDOWS\SYSTEM32\ntdll.dll+0x8c40c)
```
2026-03-03 12:47:59 -08:00

70 lines
2.2 KiB
CMake

# Test if the Swift compiler returns success for supplied compiler arguments....
function(swift_supports_compiler_arguments out_var)
file(WRITE "${CMAKE_BINARY_DIR}/tmp/dummy.swift" "")
execute_process(
COMMAND "${CMAKE_Swift_COMPILER}" -parse ${ARGN} "${CMAKE_BINARY_DIR}/tmp/dummy.swift"
OUTPUT_QUIET ERROR_QUIET
RESULT_VARIABLE result
)
if(NOT result)
set("${out_var}" "TRUE" PARENT_SCOPE)
else()
set("${out_var}" "FALSE" PARENT_SCOPE)
endif()
endfunction()
# Test if the Swift compiler supports -disable-implicit-<module>-module-import.
macro(swift_supports_implicit_module module_name out_var)
swift_supports_compiler_arguments(${out_var}
-Xfrontend -disable-implicit-${module_name}-module-import
)
endmacro()
function(swift_get_swiftlang_version out_var)
execute_process(
COMMAND "${CMAKE_Swift_COMPILER}" -version
OUTPUT_VARIABLE output ERROR_VARIABLE output
RESULT_VARIABLE result
TIMEOUT 10
)
if(output MATCHES [[swiftlang-([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)]])
set("${out_var}" "${CMAKE_MATCH_1}" PARENT_SCOPE)
endif()
endfunction()
# Get "package cross-module-optimization" compiler arguments suitable for the compiler.
function(swift_get_package_cmo_support out_var)
# > 6.0 : Fixed feature.
swift_supports_compiler_arguments(result
-package-name my-package
-enable-library-evolution
-Xfrontend -package-cmo
-Xfrontend -allow-non-resilient-access
)
if(result)
set(${out_var} IMPLEMENTED PARENT_SCOPE)
return()
endif()
# == 6.0 : Experimental.
swift_supports_compiler_arguments(result
-package-name my-package
-Xfrontend -experimental-package-cmo
-Xfrontend -experimental-allow-non-resilient-access
-Xfrontend -experimental-package-bypass-resilience
)
if(result)
# Package CMO is implmented in Xcode 16 Beta 4 (swiftlang-6.0.0.6.8) or later.
# Consider it's not supported in non Xcode toolchain with "-experimental" options.
swift_get_swiftlang_version(swiftlang_version)
if(swiftlang_version AND swiftlang_version VERSION_GREATER_EQUAL 6.0.0.6)
set(${out_var} EXPERIMENTAL PARENT_SCOPE)
return()
endif()
endif()
# < 6.0 : Not supported.
set(${out_var} NO PARENT_SCOPE)
endfunction()