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vulkan-tutorial/CMake/Findtinyobjloader.cmake
Abdelrahman d57dd446d1 Initial commit for vulkan tutorial
Following along the first 9 chapters of the Vulkan HelloTriangle
tutorial.
2025-12-06 00:20:08 +00:00

161 lines
6.2 KiB
CMake

# Findtinyobjloader.cmake
# Find the tinyobjloader library
#
# This module defines the following variables:
# tinyobjloader_FOUND - True if tinyobjloader was found
# tinyobjloader_INCLUDE_DIRS - Include directories for tinyobjloader
# tinyobjloader_LIBRARIES - Libraries to link against tinyobjloader
#
# It also defines the following targets:
# tinyobjloader::tinyobjloader
# Try to find the package using pkg-config first
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_tinyobjloader QUIET tinyobjloader)
endif()
# Find the include directory
find_path(tinyobjloader_INCLUDE_DIR
NAMES tiny_obj_loader.h
PATHS
${PC_tinyobjloader_INCLUDE_DIRS}
/usr/include
/usr/local/include
$ENV{VULKAN_SDK}/include
${ANDROID_NDK}/sources/third_party
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../external
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../third_party
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../attachments/external
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../attachments/third_party
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../attachments/include
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../external
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../third_party
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../include
PATH_SUFFIXES tinyobjloader tiny_obj_loader
)
# Find the library
find_library(tinyobjloader_LIBRARY
NAMES tinyobjloader
PATHS
${PC_tinyobjloader_LIBRARY_DIRS}
/usr/lib
/usr/local/lib
$ENV{VULKAN_SDK}/lib
${ANDROID_NDK}/sources/third_party
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../external
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../third_party
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../attachments/external
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../attachments/third_party
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../attachments/lib
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../external
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../third_party
${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../lib
PATH_SUFFIXES lib
)
# If the include directory wasn't found, use FetchContent to download and build
if(NOT tinyobjloader_INCLUDE_DIR)
# If not found, use FetchContent to download and build
include(FetchContent)
message(STATUS "tinyobjloader not found, fetching from GitHub...")
FetchContent_Declare(
tinyobjloader
GIT_REPOSITORY https://github.com/tinyobjloader/tinyobjloader.git
GIT_TAG v2.0.0rc10 # Use a specific tag for stability
)
# Set options before making tinyobjloader available
set(TINYOBJLOADER_BUILD_TEST_LOADER OFF CACHE BOOL "Do not build test loader" FORCE)
set(TINYOBJLOADER_BUILD_OBJ_STICHER OFF CACHE BOOL "Do not build obj sticher" FORCE)
set(TINYOBJLOADER_INSTALL OFF CACHE BOOL "Do not install tinyobjloader" FORCE)
# Update CMake policy to suppress the deprecation warning
if(POLICY CMP0169)
cmake_policy(SET CMP0169 OLD)
endif()
# Populate the content but don't configure it yet
FetchContent_GetProperties(tinyobjloader)
if(NOT tinyobjloader_POPULATED)
FetchContent_Populate(tinyobjloader)
# Update the minimum required CMake version before including the CMakeLists.txt
file(READ "${tinyobjloader_SOURCE_DIR}/CMakeLists.txt" TINYOBJLOADER_CMAKE_CONTENT)
string(REPLACE "cmake_minimum_required(VERSION 3.2)"
"cmake_minimum_required(VERSION 3.10)"
TINYOBJLOADER_CMAKE_CONTENT "${TINYOBJLOADER_CMAKE_CONTENT}")
string(REPLACE "cmake_minimum_required(VERSION 3.5)"
"cmake_minimum_required(VERSION 3.10)"
TINYOBJLOADER_CMAKE_CONTENT "${TINYOBJLOADER_CMAKE_CONTENT}")
file(WRITE "${tinyobjloader_SOURCE_DIR}/CMakeLists.txt" "${TINYOBJLOADER_CMAKE_CONTENT}")
# Now add the subdirectory manually
add_subdirectory(${tinyobjloader_SOURCE_DIR} ${tinyobjloader_BINARY_DIR})
else()
# If already populated, just make it available
FetchContent_MakeAvailable(tinyobjloader)
endif()
# Get the include directory from the target
get_target_property(tinyobjloader_INCLUDE_DIR tinyobjloader INTERFACE_INCLUDE_DIRECTORIES)
if(NOT tinyobjloader_INCLUDE_DIR)
# If we can't get the include directory from the target, use the source directory
set(tinyobjloader_INCLUDE_DIR ${tinyobjloader_SOURCE_DIR})
endif()
endif()
# Set the variables
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(tinyobjloader
REQUIRED_VARS tinyobjloader_INCLUDE_DIR
)
if(tinyobjloader_FOUND)
set(tinyobjloader_INCLUDE_DIRS ${tinyobjloader_INCLUDE_DIR})
if(tinyobjloader_LIBRARY)
set(tinyobjloader_LIBRARIES ${tinyobjloader_LIBRARY})
else()
# tinyobjloader is a header-only library, so no library is needed
set(tinyobjloader_LIBRARIES "")
endif()
# Create an imported target
if(NOT TARGET tinyobjloader::tinyobjloader)
add_library(tinyobjloader::tinyobjloader INTERFACE IMPORTED)
set_target_properties(tinyobjloader::tinyobjloader PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${tinyobjloader_INCLUDE_DIRS}"
)
if(tinyobjloader_LIBRARIES)
set_target_properties(tinyobjloader::tinyobjloader PROPERTIES
INTERFACE_LINK_LIBRARIES "${tinyobjloader_LIBRARIES}"
)
endif()
endif()
elseif(TARGET tinyobjloader)
# If find_package_handle_standard_args failed but we have a tinyobjloader target from FetchContent
# Create an alias for the tinyobjloader target
if(NOT TARGET tinyobjloader::tinyobjloader)
add_library(tinyobjloader::tinyobjloader ALIAS tinyobjloader)
endif()
# Set variables to indicate that tinyobjloader was found
set(tinyobjloader_FOUND TRUE)
set(TINYOBJLOADER_FOUND TRUE)
# Set include directories
get_target_property(tinyobjloader_INCLUDE_DIR tinyobjloader INTERFACE_INCLUDE_DIRECTORIES)
if(tinyobjloader_INCLUDE_DIR)
set(tinyobjloader_INCLUDE_DIRS ${tinyobjloader_INCLUDE_DIR})
else()
# If we can't get the include directory from the target, use the source directory
set(tinyobjloader_INCLUDE_DIR ${tinyobjloader_SOURCE_DIR})
set(tinyobjloader_INCLUDE_DIRS ${tinyobjloader_INCLUDE_DIR})
endif()
endif()
mark_as_advanced(tinyobjloader_INCLUDE_DIR tinyobjloader_LIBRARY)