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# PSn00bSDK internal setup script for CMake
# (C) 2021 spicyjpeg - MPL licensed
# This script is included automatically when using the toolchain file and
# defines helper functions.
cmake_minimum_required(VERSION 3.20)
include(GNUInstallDirs)
# Fetch SDK version information from build.json.
if(NOT DEFINED PSN00BSDK_VERSION)
file(READ ${CMAKE_CURRENT_LIST_DIR}/../build.json _json)
string(JSON PSN00BSDK_VERSION GET ${_json} version)
string(JSON PSN00BSDK_BUILD_DATE GET ${_json} build_date)
string(JSON PSN00BSDK_GIT_TAG GET ${_json} git_tag)
string(JSON PSN00BSDK_GIT_COMMIT GET ${_json} git_commit)
endif()
## Settings (can be overridden by projects)
set(PSN00BSDK_EXECUTABLE_SUFFIX ".exe")
set(PSN00BSDK_SHARED_LIBRARY_SUFFIX ".dll")
set(PSN00BSDK_SYMBOL_MAP_SUFFIX ".map")
## SDK libraries
# DON'T CHANGE THE ORDER or you'll break the libraries' internal dependencies.
set(PSN00BSDK_LIBRARIES psxgpu psxgte psxspu psxcd psxsio psxetc psxapi lzp c)
include(${CMAKE_CURRENT_LIST_DIR}/libpsn00b.cmake OPTIONAL)
include(${CMAKE_CURRENT_LIST_DIR}/flags.cmake)
# Use the toolchain path to find libgcc (used to build libpsn00b). Of course
# different installers, packages and distros have different opinions when it
# comes to deciding where to install toolchains, so we have to bruteforce
# multiple combinations of paths.
if(CMAKE_C_COMPILER_VERSION)
string(REGEX MATCH "^([0-9]+)\." _dummy ${CMAKE_C_COMPILER_VERSION})
find_library(
PSN00BSDK_LIBGCC gcc
HINTS
${PSN00BSDK_TC}/lib/gcc-cross/${PSN00BSDK_TARGET}/${CMAKE_C_COMPILER_VERSION}
${PSN00BSDK_TC}/lib/gcc-cross/${PSN00BSDK_TARGET}/${CMAKE_MATCH_1}
${PSN00BSDK_TC}/lib/gcc/${PSN00BSDK_TARGET}/${CMAKE_C_COMPILER_VERSION}
${PSN00BSDK_TC}/lib/gcc/${PSN00BSDK_TARGET}/${CMAKE_MATCH_1}
${PSN00BSDK_TC}/../lib/gcc-cross/${PSN00BSDK_TARGET}/${CMAKE_C_COMPILER_VERSION}
${PSN00BSDK_TC}/../lib/gcc-cross/${PSN00BSDK_TARGET}/${CMAKE_MATCH_1}
${PSN00BSDK_TC}/../lib/gcc/${PSN00BSDK_TARGET}/${CMAKE_C_COMPILER_VERSION}
${PSN00BSDK_TC}/../lib/gcc/${PSN00BSDK_TARGET}/${CMAKE_MATCH_1}
NO_DEFAULT_PATH
DOC "Path to libgcc (bundled with the GCC toolchain)"
)
endif()
## Tools
set(
PSN00BSDK_TOOLS
${CMAKE_CURRENT_LIST_DIR}/../../../${CMAKE_INSTALL_BINDIR}
${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}
)
find_program(ELF2X elf2x HINTS ${PSN00BSDK_TOOLS})
find_program(ELF2CPE elf2cpe HINTS ${PSN00BSDK_TOOLS})
find_program(SMXLINK smxlink HINTS ${PSN00BSDK_TOOLS})
find_program(LZPACK lzpack HINTS ${PSN00BSDK_TOOLS})
find_program(MKPSXISO mkpsxiso HINTS ${PSN00BSDK_TOOLS})
## Helper functions for executables
set(PSN00BSDK_LDSCRIPTS ${CMAKE_CURRENT_LIST_DIR}/../ldscripts)
if(IS_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/../include)
set(PSN00BSDK_INCLUDE ${CMAKE_CURRENT_LIST_DIR}/../include)
else()
set(PSN00BSDK_INCLUDE ${CMAKE_CURRENT_LIST_DIR}/../../../include/libpsn00b)
endif()
# psn00bsdk_add_executable(
# <target name> <STATIC|DYNAMIC>
# [EXCLUDE_FROM_ALL]
# <sources> ...
# )
function(psn00bsdk_add_executable name type)
string(TOLOWER ${type} _type)
if(NOT ${_type} MATCHES "^(static|dynamic)$")
message(FATAL_ERROR "Invalid executable type: ${type} (must be STATIC or DYNAMIC)")
endif()
# Throw an error if elf2x was not found (which should never happen if the
# SDK is installed properly).
if(ELF2X STREQUAL "ELF2X-NOTFOUND")
message(FATAL_ERROR "Failed to locate elf2x. Check your PATH environment variable.")
endif()
add_executable (${name} ${ARGN})
target_link_libraries(${name} psn00bsdk_${_type}_exe ${PSN00BSDK_LIBRARIES})
set_target_properties(${name} PROPERTIES PREFIX "" SUFFIX ".elf")
target_link_options (${name} PRIVATE -T${PSN00BSDK_LDSCRIPTS}/exe.ld)
target_include_directories(${name} PRIVATE ${PSN00BSDK_INCLUDE})
# Add post-build steps to generate the .exe and symbol map once the
# executable is built.
add_custom_command(
TARGET ${name} POST_BUILD
COMMAND ${ELF2X} -q ${name}.elf ${name}${PSN00BSDK_EXECUTABLE_SUFFIX}
COMMAND ${TOOLCHAIN_NM} -f posix -l -n ${name}.elf $<ANGLE-R>${name}${PSN00BSDK_SYMBOL_MAP_SUFFIX}
BYPRODUCTS ${name}${PSN00BSDK_EXECUTABLE_SUFFIX} ${name}${PSN00BSDK_SYMBOL_MAP_SUFFIX}
)
endfunction()
# psn00bsdk_add_library(
# <target name> <STATIC|SHARED|MODULE>
# [EXCLUDE_FROM_ALL]
# <sources> ...
# )
# Note that SHARED and MODULE have the same meaning (both will create a DLL).
# SDK libraries are NOT statically linked in by default; if you need to link
# something, use target_link_libraries() manually.
function(psn00bsdk_add_library name type)
string(TOUPPER ${type} _type_upper)
string(TOLOWER ${type} _type)
if(NOT ${_type} MATCHES "^(static|object|shared|module)$")
message(FATAL_ERROR "Invalid library type: ${type} (must be STATIC, OBJECT, SHARED or MODULE)")
endif()
add_library (${name} ${_type_upper} ${ARGN})
target_link_libraries(${name} psn00bsdk_${_type}_lib)
target_include_directories(${name} PRIVATE ${PSN00BSDK_INCLUDE})
if(${_type} MATCHES "^(shared|module)$")
set_target_properties(${name} PROPERTIES PREFIX "" SUFFIX ".so")
target_link_options (${name} PRIVATE -T${PSN00BSDK_LDSCRIPTS}/dll.ld)
# Add a post-build step to dump the DLL's raw contents into a new file
# separate from the built ELF.
add_custom_command(
TARGET ${name} POST_BUILD
COMMAND ${CMAKE_OBJCOPY} -O binary ${name}.so ${name}${PSN00BSDK_SHARED_LIBRARY_SUFFIX}
BYPRODUCTS ${name}${PSN00BSDK_SHARED_LIBRARY_SUFFIX}
)
else()
set_target_properties(${name} PROPERTIES PREFIX "lib" SUFFIX ".a")
# Remove virtual target dependencies to make sure linking against the
# library does not also propagate static library flags.
set_target_properties(${name} PROPERTIES INTERFACE_LINK_LIBRARIES "")
endif()
endfunction()
# psn00bsdk_add_cd_image(
# <target name>
# <image file name>
# <mkpsxiso config template>
# [DEPENDS <dependencies> ...]
# [additional options passed to add_custom_target()]
# )
function(psn00bsdk_add_cd_image name image_name config_file)
# Throw an error if mkpsxiso was not found. Performing this check manually
# (instead of just marking mkpsxiso as required) allows simple projects to
# be built even if mkpsxiso is not installed.
if(MKPSXISO STREQUAL "MKPSXISO-NOTFOUND")
message(FATAL_ERROR "Failed to locate mkpsxiso. If mkpsxiso wasn't installed alongside the SDK, check your PATH environment variable.")
endif()
set(CD_IMAGE_NAME ${image_name})
configure_file(${config_file} _gen_${config_file})
add_custom_target(
${name} ALL
COMMAND ${MKPSXISO} -y -q _gen_${config_file}
BYPRODUCTS ${image_name}.bin ${image_name}.cue
COMMENT "Building CD image ${image_name}"
${ARGN}
)
endfunction()
## Helper functions for assets
# TODO: add them
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