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build: support find_package basisu via CMake + CMake improvements #383

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build: support find_package basisu via CMake + CMake improvements #383

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e4d2662
build: add option to disable examples in CMake
aminya Nov 1, 2024
28d6f71
build: fix strip for Ninja Multi-config and LLVM
aminya Nov 1, 2024
56fedfe
build: support find_package(basisu CONFIG)
aminya Nov 1, 2024
872aca5
build: forward BASISD options to the targets if defined externally
aminya Nov 2, 2024
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133 changes: 107 additions & 26 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ cmake_minimum_required(VERSION 3.5)
project(basisu)
option(STATIC "static linking" FALSE)
option(SAN "sanitize" FALSE)
option(EXAMPLES "Build examples" TRUE)

set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)

Expand Down Expand Up @@ -168,21 +169,31 @@ endif()

# Create the static library
add_library(basisu_encoder STATIC ${ENCODER_LIB_SRC_LIST})
target_include_directories(basisu_encoder PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/transcoder>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/encoder>
$<INSTALL_INTERFACE:include>)

# Create the basisu executable and link against the static library
add_executable(basisu basisu_tool.cpp)
target_link_libraries(basisu PRIVATE basisu_encoder)

# Create the new example executable and link against the static library
add_executable(examples example/example.cpp)
target_link_libraries(examples PRIVATE basisu_encoder)
if(EXAMPLES)
add_executable(examples example/example.cpp)
target_link_libraries(examples PRIVATE basisu_encoder)
endif()

if (ZSTD)
target_compile_definitions(basisu PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1)
target_compile_definitions(examples PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1)
if(EXAMPLES)
target_compile_definitions(examples PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1)
endif()
else()
target_compile_definitions(basisu PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0)
target_compile_definitions(examples PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0)
if(EXAMPLES)
target_compile_definitions(examples PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0)
endif()
endif()

if (NOT MSVC)
Expand All @@ -192,7 +203,9 @@ if (NOT MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_OPENCL=1")

target_include_directories(basisu PRIVATE ${OpenCL_INCLUDE_DIRS})
target_include_directories(examples PRIVATE ${OpenCL_INCLUDE_DIRS})
if(EXAMPLES)
target_include_directories(examples PRIVATE ${OpenCL_INCLUDE_DIRS})
endif()
target_include_directories(basisu_encoder PRIVATE ${OpenCL_INCLUDE_DIRS})
set(BASISU_EXTRA_LIBS ${OpenCL_LIBRARIES})
endif()
Expand All @@ -203,35 +216,44 @@ else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_OPENCL=1")

target_include_directories(basisu PRIVATE "OpenCL")
target_include_directories(examples PRIVATE "OpenCL")
if(EXAMPLES)
target_include_directories(examples PRIVATE "OpenCL")
endif()
target_include_directories(basisu_encoder PRIVATE "OpenCL")

if (BUILD_X64)
target_link_libraries(basisu PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL64.lib")
target_link_libraries(examples PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL64.lib")
if(EXAMPLES)
target_link_libraries(examples PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL64.lib")
endif()
else()
target_link_libraries(basisu PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL.lib")
target_link_libraries(examples PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL.lib")
if(EXAMPLES)
target_link_libraries(examples PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL.lib")
endif()
endif()
endif()
endif()

if (NOT MSVC)
target_link_libraries(basisu PRIVATE m pthread ${BASISU_EXTRA_LIBS})
target_link_libraries(examples PRIVATE m pthread ${BASISU_EXTRA_LIBS})
if(EXAMPLES)
target_link_libraries(examples PRIVATE m pthread ${BASISU_EXTRA_LIBS})
endif()
endif()

if (NOT EMSCRIPTEN)
if (UNIX)
if (CMAKE_BUILD_TYPE STREQUAL Release)
if (APPLE)
add_custom_command(TARGET basisu POST_BUILD COMMAND strip -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu)
#message("strip command: strip -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu")
else()
add_custom_command(TARGET basisu POST_BUILD COMMAND strip -g -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu)
#message("strip command: strip -g -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu")
endif()
set(STRIP_ARGS -X -x)
if (NOT APPLE)
list(APPEND STRIP_ARGS -g)
endif()
add_custom_command(
TARGET basisu POST_BUILD
DEPENDS basisu
COMMAND $<$<CONFIG:release>:${CMAKE_STRIP}>
ARGS ${STRIP_ARGS} $<TARGET_FILE:basisu>
)
endif()
endif()

Expand All @@ -242,13 +264,72 @@ if (MSVC)
RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
)

set_target_properties(examples PROPERTIES
RUNTIME_OUTPUT_NAME "examples"
RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
)
)

if(EXAMPLES)
set_target_properties(examples PROPERTIES
RUNTIME_OUTPUT_NAME "examples"
RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
)
endif()
endif()

# Forward BASISD options to the targets if they are defined externally
set(BASISD_OPTIONS
BASISD_SUPPORT_KTX2
BASISD_SUPPORT_KTX2_ZSTD
BASISD_SUPPORT_DXT1
BASISD_SUPPORT_DXT5A
BASISD_SUPPORT_BC7
BASISD_SUPPORT_BC7_MODE5
BASISD_SUPPORT_PVRTC1
BASISD_SUPPORT_PVRTC2
BASISD_SUPPORT_ETC2_EAC_A8
BASISD_SUPPORT_ETC2_EAC_RG11
BASISD_SUPPORT_UASTC
BASISD_SUPPORT_UASTC_HDR
BASISD_SUPPORT_ATC
BASISD_SUPPORT_ASTC
BASISD_SUPPORT_ASTC_HIGHER_OPAQUE_QUALITY
BASISD_SUPPORT_FXT1)
foreach(BASISD_OPTION ${BASISD_OPTIONS})
if(DEFINED ${BASISD_OPTION})
message(${BASISD_OPTION}=${${BASISD_OPTION}})
target_compile_definitions(basisu PRIVATE ${BASISD_OPTION}=${${BASISD_OPTION}})
target_compile_definitions(basisu_encoder PRIVATE ${BASISD_OPTION}=${${BASISD_OPTION}})
if(EXAMPLES)
target_compile_definitions(examples PRIVATE ${BASISD_OPTION}=${${BASISD_OPTION}})
endif()
endif()
endforeach()

# Target Installation
install(TARGETS basisu_encoder basisu EXPORT basisu-targets)
install(DIRECTORY "./transcoder" DESTINATION "include/basisu/"
FILES_MATCHING PATTERN "*.h" PATTERN "*.inc"
)
install(DIRECTORY "./encoder" DESTINATION "include/basisu/"
FILES_MATCHING PATTERN "*.h"
)

# CMake Export
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)
configure_package_config_file(
${PROJECT_SOURCE_DIR}/basisu-config.cmake.in
${PROJECT_BINARY_DIR}/basisu-config.cmake
INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/basisu)
export(
TARGETS basisu_encoder basisu
NAMESPACE basisu::
FILE ${PROJECT_BINARY_DIR}/basisu-targets.cmake)
install(
FILES ${PROJECT_BINARY_DIR}/basisu-config.cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/basisu)
install(
EXPORT basisu-targets
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/basisu
NAMESPACE basisu::)
7 changes: 7 additions & 0 deletions basisu-config.cmake.in
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
@PACKAGE_INIT@

if (NOT TARGET basisu::basisu_encoder)
include(${CMAKE_CURRENT_LIST_DIR}/basisu-targets.cmake)
endif ()

check_required_components(basisu)