long -> intptr_t for casts. WIP: mingw cross-compilation for Windows (see #162)

This commit is contained in:
John McCardle 2026-01-08 10:41:24 -05:00
commit 1f002e820c
15 changed files with 188 additions and 102 deletions

View file

@ -8,14 +8,33 @@ project(McRogueFace)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)
# Detect cross-compilation for Windows (MinGW)
if(CMAKE_CROSSCOMPILING AND WIN32)
set(MCRF_CROSS_WINDOWS TRUE)
message(STATUS "Cross-compiling for Windows using MinGW")
endif()
# Add include directories
#include_directories(${CMAKE_SOURCE_DIR}/deps_linux)
include_directories(${CMAKE_SOURCE_DIR}/deps)
#include_directories(${CMAKE_SOURCE_DIR}/deps_linux/Python-3.11.1)
include_directories(${CMAKE_SOURCE_DIR}/deps/libtcod)
include_directories(${CMAKE_SOURCE_DIR}/deps/cpython)
include_directories(${CMAKE_SOURCE_DIR}/deps/Python)
# Python includes: use different paths for Windows vs Linux
if(MCRF_CROSS_WINDOWS)
# Windows cross-compilation: use cpython headers with PC/pyconfig.h
# Problem: Python.h uses #include "pyconfig.h" which finds Include/pyconfig.h (Linux) first
# Solution: Use -include to force Windows pyconfig.h to be included first
# This defines MS_WINDOWS before Python.h is processed, ensuring correct struct layouts
add_compile_options(-include ${CMAKE_SOURCE_DIR}/deps/cpython/PC/pyconfig.h)
include_directories(${CMAKE_SOURCE_DIR}/deps/cpython/Include)
include_directories(${CMAKE_SOURCE_DIR}/deps/cpython/PC) # For other Windows-specific headers
# Also include SFML and libtcod Windows headers
include_directories(${CMAKE_SOURCE_DIR}/__lib_windows/sfml/include)
include_directories(${CMAKE_SOURCE_DIR}/__lib_windows/libtcod/include)
else()
# Native builds (Linux/Windows): use existing Python setup
include_directories(${CMAKE_SOURCE_DIR}/deps/cpython)
include_directories(${CMAKE_SOURCE_DIR}/deps/Python)
endif()
# ImGui and ImGui-SFML include directories
include_directories(${CMAKE_SOURCE_DIR}/modules/imgui)
@ -37,35 +56,71 @@ file(GLOB_RECURSE SOURCES "src/*.cpp")
list(APPEND SOURCES ${IMGUI_SOURCES})
# Find OpenGL (required by ImGui-SFML)
find_package(OpenGL REQUIRED)
# Create a list of libraries to link against
set(LINK_LIBS
sfml-graphics
sfml-window
sfml-system
sfml-audio
tcod
OpenGL::GL)
# On Windows, add any additional libs and include directories
if(WIN32)
# Windows-specific Python library name (no dots)
list(APPEND LINK_LIBS python314)
# Add the necessary Windows-specific libraries and include directories
# include_directories(path_to_additional_includes)
# link_directories(path_to_additional_libs)
# list(APPEND LINK_LIBS additional_windows_libs)
include_directories(${CMAKE_SOURCE_DIR}/deps/platform/windows)
if(MCRF_CROSS_WINDOWS)
# For cross-compilation, OpenGL is provided by MinGW
set(OPENGL_LIBRARIES opengl32)
else()
# Unix/Linux specific libraries
list(APPEND LINK_LIBS python3.14 m dl util pthread)
include_directories(${CMAKE_SOURCE_DIR}/deps/platform/linux)
find_package(OpenGL REQUIRED)
set(OPENGL_LIBRARIES OpenGL::GL)
endif()
# Add the directory where the linker should look for the libraries
#link_directories(${CMAKE_SOURCE_DIR}/deps_linux)
link_directories(${CMAKE_SOURCE_DIR}/__lib)
# Create a list of libraries to link against
if(MCRF_CROSS_WINDOWS)
# MinGW cross-compilation: use full library names
set(LINK_LIBS
sfml-graphics
sfml-window
sfml-system
sfml-audio
libtcod
python314
${OPENGL_LIBRARIES})
# Add Windows system libraries needed by SFML and MinGW
list(APPEND LINK_LIBS
winmm # Windows multimedia (for audio)
gdi32 # Graphics Device Interface
ws2_32 # Winsock (networking, used by some deps)
ole32 # OLE support
oleaut32 # OLE automation
uuid # UUID library
comdlg32 # Common dialogs
imm32 # Input Method Manager
version # Version info
)
include_directories(${CMAKE_SOURCE_DIR}/deps/platform/windows)
# Link directories for cross-compiled Windows libs
link_directories(${CMAKE_SOURCE_DIR}/__lib_windows/sfml/lib)
link_directories(${CMAKE_SOURCE_DIR}/__lib_windows/libtcod/lib)
link_directories(${CMAKE_SOURCE_DIR}/__lib_windows)
elseif(WIN32)
# Native Windows build (MSVC)
set(LINK_LIBS
sfml-graphics
sfml-window
sfml-system
sfml-audio
tcod
python314
${OPENGL_LIBRARIES})
include_directories(${CMAKE_SOURCE_DIR}/deps/platform/windows)
link_directories(${CMAKE_SOURCE_DIR}/__lib)
else()
# Unix/Linux build
set(LINK_LIBS
sfml-graphics
sfml-window
sfml-system
sfml-audio
tcod
python3.14
m dl util pthread
${OPENGL_LIBRARIES})
include_directories(${CMAKE_SOURCE_DIR}/deps/platform/linux)
link_directories(${CMAKE_SOURCE_DIR}/__lib)
endif()
# Define the executable target before linking libraries
add_executable(mcrogueface ${SOURCES})
@ -73,11 +128,24 @@ add_executable(mcrogueface ${SOURCES})
# Define NO_SDL for libtcod-headless headers (excludes SDL-dependent code)
target_compile_definitions(mcrogueface PRIVATE NO_SDL)
# On Windows, define Py_ENABLE_SHARED for proper Python DLL imports
# Py_PYCONFIG_H prevents Include/pyconfig.h (Linux config) from being included
# (PC/pyconfig.h already defines HAVE_DECLSPEC_DLL and MS_WINDOWS)
if(WIN32 OR MCRF_CROSS_WINDOWS)
target_compile_definitions(mcrogueface PRIVATE Py_ENABLE_SHARED Py_PYCONFIG_H)
endif()
# On Windows, set subsystem to WINDOWS to hide console
if(WIN32)
if(WIN32 AND NOT MCRF_CROSS_WINDOWS)
# MSVC-specific flags
set_target_properties(mcrogueface PROPERTIES
WIN32_EXECUTABLE TRUE
LINK_FLAGS "/SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup")
elseif(MCRF_CROSS_WINDOWS)
# MinGW cross-compilation: use -mwindows to hide console
set_target_properties(mcrogueface PROPERTIES
WIN32_EXECUTABLE TRUE
LINK_FLAGS "-mwindows")
endif()
# Now the linker will find the libraries in the specified directory
@ -99,20 +167,36 @@ add_custom_command(TARGET mcrogueface POST_BUILD
${CMAKE_SOURCE_DIR}/__lib $<TARGET_FILE_DIR:mcrogueface>/lib)
# On Windows, copy DLLs to executable directory
if(WIN32)
# Copy all DLL files from lib to the executable directory
if(MCRF_CROSS_WINDOWS)
# Cross-compilation: copy DLLs from __lib_windows
add_custom_command(TARGET mcrogueface POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_directory
${CMAKE_SOURCE_DIR}/__lib_windows/sfml/bin $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E copy_directory
${CMAKE_SOURCE_DIR}/__lib_windows/libtcod/bin $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E copy
${CMAKE_SOURCE_DIR}/__lib_windows/python314.dll $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E copy
${CMAKE_SOURCE_DIR}/__lib_windows/python3.dll $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E copy
${CMAKE_SOURCE_DIR}/__lib_windows/vcruntime140.dll $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E copy
${CMAKE_SOURCE_DIR}/__lib_windows/vcruntime140_1.dll $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E copy
/usr/x86_64-w64-mingw32/lib/libwinpthread-1.dll $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E echo "Copied Windows DLLs to executable directory")
# Copy Python standard library zip
add_custom_command(TARGET mcrogueface POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy
${CMAKE_SOURCE_DIR}/__lib_windows/python314.zip $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E echo "Copied Python stdlib")
elseif(WIN32)
# Native Windows build: copy DLLs from __lib
add_custom_command(TARGET mcrogueface POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_directory
${CMAKE_SOURCE_DIR}/__lib $<TARGET_FILE_DIR:mcrogueface>
COMMAND ${CMAKE_COMMAND} -E echo "Copied DLLs to executable directory")
# Alternative: Copy specific DLLs if you want more control
# file(GLOB DLLS "${CMAKE_SOURCE_DIR}/__lib/*.dll")
# foreach(DLL ${DLLS})
# add_custom_command(TARGET mcrogueface POST_BUILD
# COMMAND ${CMAKE_COMMAND} -E copy_if_different
# ${DLL} $<TARGET_FILE_DIR:mcrogueface>)
# endforeach()
endif()
# rpath for including shared libraries (Linux/Unix only)