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fix: add Windows/MSVC support for C Loader (libffi, libclang, TCC) #780

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fix: add Windows/MSVC support for C Loader (libffi, libclang, TCC) #780

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d14d03c
fix: add Windows/MSVC support for C Loader dependencies
masha2100 Apr 20, 2026
cde7b54
ci: enable C Loader in Windows CI pipeline
masha2100 Apr 20, 2026
52c627f
feat: add Windows installer script for C Loader dependencies
masha2100 Apr 20, 2026
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2 changes: 1 addition & 1 deletion .github/workflows/windows-test.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ jobs:
cd "$METACALL_PATH\build"
cmd.exe /c "powershell ..\tools\metacall-configure.ps1 $Env:METACALL_BUILD_OPTIONS"
env:
METACALL_BUILD_OPTIONS: ${{ matrix.options.build }} ${{ matrix.options.sanitizer }} scripts ports tests python nodejs java ruby typescript wasm rpc file # netcore5 java c cobol rust examples install pack benchmarks # v8 coverage
METACALL_BUILD_OPTIONS: ${{ matrix.options.build }} ${{ matrix.options.sanitizer }} scripts ports tests python nodejs java ruby typescript wasm rpc file c # netcore5 cobol rust examples install pack benchmarks # v8 coverage

- name: Build
working-directory: ./build
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122 changes: 62 additions & 60 deletions cmake/FindLibClang.cmake
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Original file line number Diff line number Diff line change
@@ -1,90 +1,92 @@
#
#CMake Find Clang library by Parra Studios
#
# CMake Find Clang library by Parra Studios
# CMake script to find Clang C API library.
#
# Copyright (C) 2016 - 2026 Vicente Eduardo Ferrer Garcia <vic798@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# Find Clang C API library and include paths
#
# LibClang_FOUND - True if Clang library was found
# LibClang_INCLUDE_DIR - Clang headers path
# LibClang_LIBRARY - Clang C API library

# Prevent vervosity if already included
if(LibClang_FOUND)
set(LibClang_FIND_QUITELY TRUE)
set(LibClang_FIND_QUITELY TRUE)
endif()

option(LibClang_CMAKE_DEBUG "Print paths for debugging LibClang dependencies." OFF)

# Define what version to search for
if(LibClang_FIND_VERSION)
set(LibClang_VERSION_LIST ${LibClang_FIND_VERSION})
set(LibClang_VERSION_LIST ${LibClang_FIND_VERSION})
else()
set(LibClang_VERSION_LIST 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6.0 5.0 4.0 3.9 3.8)
set(LibClang_VERSION_LIST 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6.0 5.0 4.0 3.9 3.8)
endif()

macro(_libclang_generate_search_paths template result)
set(${result})
foreach(version ${LibClang_VERSION_LIST})
string(REPLACE "VERSION" "${version}" output_path "${template}")
list(APPEND ${result} ${output_path})
endforeach()
set(${result})
foreach(version ${LibClang_VERSION_LIST})
string(REPLACE "VERSION" "${version}" output_path "${template}")
list(APPEND ${result} ${output_path})
endforeach()
endmacro()

include(FindPackageHandleStandardArgs)

# Find Clang C API Library
if(WIN32)
set(LibClang_WINDOWS_PATHS
"$ENV{LLVM_ROOT}"
"${LLVM_ROOT}"
"C:/Program Files/LLVM"
"C:/Program Files (x86)/LLVM"
"$ENV{VCPKG_ROOT}/installed/x64-windows"
"C:/vcpkg/installed/x64-windows"
"$ENV{USERPROFILE}/scoop/apps/llvm/current"
"C:/ProgramData/chocolatey/lib/llvm/tools/llvm"
)
if(NOT LibClang_LIBRARY)
find_library(LibClang_LIBRARY
NAMES libclang clang
PATHS ${LibClang_WINDOWS_PATHS}
PATH_SUFFIXES lib bin
)
endif()
set(LibClang_INCLUDE_HEADERS Index.h CXString.h CXErrorCode.h)
if(NOT LibClang_INCLUDE_DIR)
find_path(LibClang_INCLUDE_DIR
NAMES ${LibClang_INCLUDE_HEADERS}
PATHS ${LibClang_WINDOWS_PATHS}
PATH_SUFFIXES include/clang-c include
)
if(LibClang_INCLUDE_DIR)
get_filename_component(_parent "${LibClang_INCLUDE_DIR}" DIRECTORY)
if(EXISTS "${_parent}/clang-c/Index.h")
set(LibClang_INCLUDE_DIR "${_parent}")
endif()
endif()
endif()
find_file(LibClang_DLL
NAMES libclang.dll
PATHS ${LibClang_WINDOWS_PATHS}
PATH_SUFFIXES bin
)
else()
_libclang_generate_search_paths("/usr/lib/llvm-VERSION/lib/" LibClang_LIBRARY_PATHS)

if(NOT LibClang_LIBRARY)
find_library(LibClang_LIBRARY
NAMES clang
PATHS ${LibClang_LIBRARY_PATHS} /usr/lib # Use this path as a fallback
)
find_library(LibClang_LIBRARY
NAMES clang
PATHS ${LibClang_LIBRARY_PATHS} /usr/lib
)
endif()

# Find Clang C API Headers
_libclang_generate_search_paths("/usr/lib/llvm-VERSION/include/clang-c" LibClang_INCLUDE_PATHS)

set(LibClang_INCLUDE_HEADERS
BuildSystem.h
CXCompilationDatabase.h
CXErrorCode.h
CXString.h
Documentation.h
Index.h
Platform.h
BuildSystem.h CXCompilationDatabase.h CXErrorCode.h
CXString.h Documentation.h Index.h Platform.h
)

if(NOT LibClang_INCLUDE_DIR)
find_path(LibClang_INCLUDE_DIR
NAMES ${LibClang_INCLUDE_HEADERS}
PATHS ${LibClang_INCLUDE_PATHS} /usr/include/clang-c # Use this path as a fallback
)
get_filename_component(LibClang_INCLUDE_DIR ${LibClang_INCLUDE_DIR} DIRECTORY)
find_path(LibClang_INCLUDE_DIR
NAMES ${LibClang_INCLUDE_HEADERS}
PATHS ${LibClang_INCLUDE_PATHS} /usr/include/clang-c
)
get_filename_component(LibClang_INCLUDE_DIR ${LibClang_INCLUDE_DIR} DIRECTORY)
endif()
endif()

# Define LibClang cmake module
find_package_handle_standard_args(LibClang DEFAULT_MSG LibClang_LIBRARY LibClang_INCLUDE_DIR)

# Mark cmake module as advanced
mark_as_advanced(LibClang_LIBRARY LibClang_INCLUDE_DIR)

if(LibClang_CMAKE_DEBUG)
message(STATUS "LibClang_INCLUDE_DIR: ${LibClang_INCLUDE_DIR}")
message(STATUS "LibClang_LIBRARY: ${LibClang_LIBRARY}")
message(STATUS "LibClang_INCLUDE_DIR: ${LibClang_INCLUDE_DIR}")
message(STATUS "LibClang_LIBRARY: ${LibClang_LIBRARY}")
endif()
110 changes: 49 additions & 61 deletions cmake/FindLibFFI.cmake
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Original file line number Diff line number Diff line change
@@ -1,86 +1,74 @@
#
# CMake Find Foreing Function Interface library by Parra Studios
# CMake script to find FFI library.
#
# Copyright (C) 2016 - 2026 Vicente Eduardo Ferrer Garcia <vic798@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#CMake Find Foreing Function Interface library by Parra Studios
#

# Find FFI library and include paths
#
# LIBFFI_FOUND - True if FFI library was found
# LIBFFI_INCLUDE_DIR - FFI headers path
# LIBFFI_LIBRARY - List of FFI libraries

# Prevent vervosity if already included
if(LIBFFI_INCLUDE_DIRS)
set(LIBFFI_FIND_QUITELY TRUE)
set(LIBFFI_FIND_QUITELY TRUE)
endif()

include(FindPackageHandleStandardArgs)

set(LIBFFI_SUFFIXES
ffi
x86_64-linux-gnu
aarch64-linux-gnu
arm-linux-gnueabi
arm-linux-gnueabihf
i386-linux-gnu
mips64el-linux-gnuabi64
mipsel-linux-gnu
powerpc64le-linux-gnu
s390x-linux-gnu
ffi
x86_64-linux-gnu
aarch64-linux-gnu
arm-linux-gnueabi
arm-linux-gnueabihf
i386-linux-gnu
mips64el-linux-gnuabi64
mipsel-linux-gnu
powerpc64le-linux-gnu
s390x-linux-gnu
)

find_library(LIBFFI_LIBRARY
NAMES ffi libffi
PATHS /usr /usr/lib /usr/local /opt/local
PATH_SUFFIXES lib lib64 ${LIBFFI_SUFFIXES}
NAMES ffi libffi
PATHS /usr /usr/lib /usr/local /opt/local
PATH_SUFFIXES lib lib64 ${LIBFFI_SUFFIXES}
)

if(APPLE)
execute_process(COMMAND brew --prefix libffi OUTPUT_VARIABLE LIBFFI_PREFIXES)
execute_process(COMMAND brew --prefix libffi OUTPUT_VARIABLE LIBFFI_PREFIXES)
elseif(WIN32)
set(LIBFFI_WINDOWS_PATHS
"$ENV{LIBFFI_ROOT}"
"${LIBFFI_ROOT}"
"$ENV{VCPKG_ROOT}/installed/x64-windows"
"$ENV{VCPKG_ROOT}/installed/x86-windows"
"C:/vcpkg/installed/x64-windows"
"C:/ProgramData/chocolatey/lib/libffi"
"$ENV{USERPROFILE}/scoop/apps/libffi/current"
"C:/libffi"
)
find_library(LIBFFI_LIBRARY
NAMES ffi libffi
PATHS ${LIBFFI_WINDOWS_PATHS}
PATH_SUFFIXES lib lib64 x64/lib x86/lib
)
find_path(LIBFFI_INCLUDE_DIR ffi.h
PATHS ${LIBFFI_WINDOWS_PATHS}
PATH_SUFFIXES include
)
else()
# TODO: Windows?
set(LIBFFI_PREFIXES)
set(LIBFFI_PREFIXES)
endif()

if(NOT LIBFFI_INCLUDE_DIR)
find_path(LIBFFI_INCLUDE_DIR ffi.h
PATHS /usr /usr/include /usr/local /opt/local /usr/include/ffi
PATH_SUFFIXES ${LIBFFI_SUFFIXES}
HINT LIBFFI_PREFIXES
)
find_path(LIBFFI_INCLUDE_DIR ffi.h
PATHS /usr /usr/include /usr/local /opt/local /usr/include/ffi
PATH_SUFFIXES ${LIBFFI_SUFFIXES}
HINT LIBFFI_PREFIXES
)
endif()

# Try to load by using PkgConfig
if(NOT WIN32)
if(NOT LIBFFI_LIBRARY OR NOT LIBFFI_INCLUDE_DIR)
# Find package configuration module
find_package(PkgConfig)

# Find module
pkg_check_modules(PC_LIBFFI QUIET libffi)

# Find include path
find_path(LIBFFI_INCLUDE_DIR ffi.h HINTS ${PC_LIBFFI_INCLUDEDIR} ${PC_LIBFFI_INCLUDE_DIRS})

# Find library
find_library(LIBFFI_LIBRARY NAMES ffi HINTS ${PC_LIBFFI_LIBDIR} ${PC_LIBFFI_LIBRARY_DIRS})
find_package(PkgConfig)
pkg_check_modules(PC_LIBFFI QUIET libffi)
find_path(LIBFFI_INCLUDE_DIR ffi.h HINTS ${PC_LIBFFI_INCLUDEDIR} ${PC_LIBFFI_INCLUDE_DIRS})
find_library(LIBFFI_LIBRARY NAMES ffi HINTS ${PC_LIBFFI_LIBDIR} ${PC_LIBFFI_LIBRARY_DIRS})
endif()
endif()

# Define FFI cmake module
find_package_handle_standard_args(LibFFI DEFAULT_MSG LIBFFI_LIBRARY LIBFFI_INCLUDE_DIR)

# Mark cmake module as advanced
mark_as_advanced(LIBFFI_INCLUDE_DIR LIBFFI_LIBRARY)
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