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[cmake] Simplify DetectPlatform and normalize platform names (#4183)

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Since 3.25 introduced `LINUX` and `BSD`, use them, and standardize other platforms to that style

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4183
Reviewed-by: Samuel <lizzie@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
This commit is contained in:
crueter
2026-08-10 04:57:38 +02:00
parent def76946f0
commit 8648c27cbb
16 changed files with 57 additions and 114 deletions
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externals/cmake-modules/DetectPlatform.cmake
Vendored
+23 -80
View File
@@ -1,45 +1,46 @@
# SPDX-FileCopyrightText: Copyright 2025 crueter
# SPDX-FileCopyrightText: Copyright 2026 crueter
# SPDX-License-Identifier: LGPL-3.0-or-later
## DetectPlatform ##
# This is a small helper that sets PLATFORM_<platform> variables for various
# This is a small helper that sets platform variables for various
# operating systems and distributions. Note that Apple, Windows, Android, etc.
# are not covered, as CMake already does that for us.
# It also sets CXX_<compiler> for the C++ compiler.
# Furthermore, some platforms have really silly requirements/quirks, so this
# also does a few of those.
# This module contains contributions from the Eden Emulator Project,
# notably from crueter and Lizzie.
if (${CMAKE_SYSTEM_NAME} STREQUAL "SunOS")
set(PLATFORM_SUN ON)
set(SOLARIS ON)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "OpenOrbis")
set(PLATFORM_PS4 ON)
set(OPENORBIS ON)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "managarm")
set(PLATFORM_MANAGARM ON)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
set(PLATFORM_FREEBSD ON)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
set(PLATFORM_OPENBSD ON)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "NetBSD")
set(PLATFORM_NETBSD ON)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "DragonFly")
set(PLATFORM_DRAGONFLYBSD ON)
set(MANAGARM ON)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Haiku")
set(PLATFORM_HAIKU ON)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(PLATFORM_LINUX ON)
set(HAIKUOS ON)
endif()
# BSD
if (DEFINED BSD)
if ("${BSD}" STREQUAL "DragonFlyBSD")
set(DRAGONFLYBSD ON)
elseif ("${BSD}" STREQUAL "FreeBSD")
set(FREEBSD ON)
elseif ("${BSD}" STREQUAL "OpenBSD")
set(OPENBSD ON)
elseif ("${BSD}" STREQUAL "NetBSD")
set(NETBSD ON)
endif()
endif()
# dumb heuristic to detect msys2
if (CMAKE_COMMAND MATCHES "msys64")
set(PLATFORM_MSYS ON)
set(MSYS2 ON)
endif()
# compiler checks
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CXX_CLANG ON)
if (MSVC)
@@ -47,8 +48,6 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
endif()
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CXX_GCC ON)
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
set(CXX_CL ON)
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "IntelLLVM")
set(CXX_ICC ON)
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
@@ -61,37 +60,13 @@ if(MINGW AND CXX_CLANG)
set(CMAKE_SYSTEM_VERSION 10.0.0)
endif()
# NB: this does not account for SPARC
if (PLATFORM_SUN)
# Terrific OpenIndiana pkg shenanigans
list(APPEND CMAKE_PREFIX_PATH
"${CMAKE_SYSROOT}/usr/lib/qt/6.6/lib/amd64/cmake")
list(APPEND CMAKE_MODULE_PATH
"${CMAKE_SYSROOT}/usr/lib/qt/6.6/lib/amd64/cmake")
# Amazing - absolutely incredible
list(APPEND CMAKE_PREFIX_PATH "${CMAKE_SYSROOT}/usr/lib/amd64/cmake")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SYSROOT}/usr/lib/amd64/cmake")
# For some mighty reason, doing a normal release build sometimes
# may not trigger the proper -O3 switch to materialize
if (CMAKE_BUILD_TYPE MATCHES "Release")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
endif()
if (CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
endif()
endif()
# MSYS2 utilities
# Sometimes, PkgConfig modules will incorrectly reference / when CMake
# wants you to reference it as C:/msys64/. This function corrects that.
# Example in a Find module:
#[[
if (PLATFORM_MSYS)
if (MSYS2)
FixMsysPath(PkgConfig::OPUS)
endif()
]]
@@ -116,41 +91,9 @@ function(FixMsysPath target)
INTERFACE_INCLUDE_DIRECTORIES ${include_dir})
endfunction()
# MSYSTEM handling + program_path
if (PLATFORM_MSYS)
# really, really dumb heuristic to detect what environment we are in
macro(system var)
if (CMAKE_COMMAND MATCHES ${var})
set(MSYSTEM ${var})
endif()
endmacro()
system(mingw64)
system(clang64)
system(clangarm64)
system(ucrt64)
if (NOT DEFINED MSYSTEM)
set(MSYSTEM msys2)
endif()
# We generally want to prioritize environment-specific binaries if possible
# some, like autoconf, are not present on environments besides msys2 though
set(CMAKE_PROGRAM_PATH C:/msys64/${MSYSTEM}/bin C:/msys64/usr/bin)
set(ENV{PKG_CONFIG_PATH} C:/msys64/${MSYSTEM}/lib/pkgconfig)
endif()
# This saves a truly ridiculous amount of time during linking
# In my tests, without this, Eden takes 2 mins, with this, it takes 3-5 seconds
# or on GitHub Actions, 10 minutes -> 3 seconds
# Saves linking time
if (MINGW)
set(MINGW_FLAGS "-Wl,--strip-all -Wl,--gc-sections")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE
"${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${MINGW_FLAGS}")
endif()
# awesome
if (PLATFORM_FREEBSD OR PLATFORM_DRAGONFLYBSD)
set(CMAKE_EXE_LINKER_FLAGS
"${CMAKE_EXE_LINKER_FLAGS} -L${CMAKE_SYSROOT}/usr/local/lib")
endif()