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Switch MinGW building to CMake

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Automatically grabs and compiles libpng, and avoids having hacky lines in our Makefile
(the compiler specification *should* be orthogonal to the build target!)

Also move the MinGW package install to the `install_deps.sh` script,
to move logic off of the YAML.
This commit is contained in:
ISSOtm
2026-03-19 21:44:18 +01:00
committed by Eldred Habert
parent 846aa975f1
commit a802bcb320
9 changed files with 92 additions and 84 deletions
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cmake/toolchain-mingw32.cmake
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# From https://www.mingw-w64.org/build-systems/cmake/
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_PROCESSOR i686)
# Specify the cross-compiler.
set(CMAKE_C_COMPILER i686-w64-mingw32-gcc)
set(CMAKE_CXX_COMPILER i686-w64-mingw32-g++)
set(CMAKE_RC_COMPILER i686-w64-mingw32-windres)
# Specify the target environment.
set(CMAKE_FIND_ROOT_PATH /usr/i686-w64-mingw32)
# Search for programs in the build host directories.
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# Search for libraries and headers in the target directories.
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
# CMake determines how to examine dependencies based on the *host* system, leading to
# a "file unknown error" unless the target platform is explicitly specified.
set(CMAKE_GET_RUNTIME_DEPENDENCIES_PLATFORM "windows+pe")
cmake/toolchain-mingw64.cmake
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# From https://www.mingw-w64.org/build-systems/cmake/
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_SYSTEM_PROCESSOR x86_64)
# Specify the cross-compiler.
set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
set(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++)
set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
# Specify the target environment.
set(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32)
# Search for programs in the build host directories.
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# Search for libraries and headers in the target directories.
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
# CMake determines how to examine dependencies based on the *host* system, leading to
# a "file unknown error" unless the target platform is explicitly specified.
set(CMAKE_GET_RUNTIME_DEPENDENCIES_PLATFORM "windows+pe")