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https://github.com/RPCS3/hidapi.git
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76462bd767
Avoid a message: ``` Compatibility with CMake < 3.5 will be removed from a future version of CMake. Update the VERSION argument <min> value or use a ...<max> suffix to tell CMake that the project does not need compatibility with older versions. ``` Fixes: #642
108 lines
4.0 KiB
CMake
108 lines
4.0 KiB
CMake
cmake_minimum_required(VERSION 3.6.3...3.25 FATAL_ERROR)
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list(APPEND HIDAPI_PUBLIC_HEADERS "hidapi_libusb.h")
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add_library(hidapi_libusb
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${HIDAPI_PUBLIC_HEADERS}
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hid.c
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)
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target_link_libraries(hidapi_libusb PUBLIC hidapi_include)
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if(TARGET usb-1.0)
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target_link_libraries(hidapi_libusb PRIVATE usb-1.0)
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else()
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include(FindPkgConfig)
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pkg_check_modules(libusb REQUIRED IMPORTED_TARGET libusb-1.0>=1.0.9)
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target_link_libraries(hidapi_libusb PRIVATE PkgConfig::libusb)
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endif()
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find_package(Threads REQUIRED)
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target_link_libraries(hidapi_libusb PRIVATE Threads::Threads)
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if(HIDAPI_NO_ICONV)
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target_compile_definitions(hidapi_libusb PRIVATE NO_ICONV)
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else()
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if(NOT ANDROID)
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include(CheckCSourceCompiles)
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if(NOT CMAKE_VERSION VERSION_LESS 3.11)
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message(STATUS "Check for Iconv")
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find_package(Iconv)
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if(Iconv_FOUND)
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if(NOT Iconv_IS_BUILT_IN)
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target_link_libraries(hidapi_libusb PRIVATE Iconv::Iconv)
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set(CMAKE_REQUIRED_LIBRARIES "Iconv::Iconv")
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if(NOT BUILD_SHARED_LIBS)
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set(HIDAPI_NEED_EXPORT_ICONV TRUE PARENT_SCOPE)
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endif()
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endif()
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else()
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message(STATUS "Iconv Explicitly check '-liconv'")
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# Sometime the build environment is not setup
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# in a way CMake can find Iconv on its own by default.
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# But if we simply link against iconv (-liconv), the build may succeed
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# due to other compiler/link flags.
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set(CMAKE_REQUIRED_LIBRARIES "iconv")
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check_c_source_compiles("
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#include <stddef.h>
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#include <iconv.h>
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int main() {
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char *a, *b;
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size_t i, j;
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iconv_t ic;
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ic = iconv_open(\"to\", \"from\");
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iconv(ic, &a, &i, &b, &j);
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iconv_close(ic);
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}
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"
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Iconv_EXPLICITLY_AT_ENV)
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if(Iconv_EXPLICITLY_AT_ENV)
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message(STATUS "Iconv Explicitly check '-liconv' - Available")
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target_link_libraries(hidapi_libusb PRIVATE iconv)
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else()
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message(FATAL_ERROR "Iconv is not found, make sure to provide it in the build environment")
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endif()
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endif()
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else()
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# otherwise there is 2 options:
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# 1) iconv is provided by Standard C library and the build will be just fine
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# 2) The _user_ has to provide additional compilation options for this project/target
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endif()
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# check for error: "conflicting types for 'iconv'"
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check_c_source_compiles("#include<iconv.h>
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extern size_t iconv (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
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int main() {}"
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HIDAPI_ICONV_CONST)
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if(HIDAPI_ICONV_CONST)
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target_compile_definitions(hidapi_libusb PRIVATE "ICONV_CONST=const")
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endif()
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else()
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# On Android Iconv is disabled on the code level anyway, so no issue;
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endif()
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endif()
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set_target_properties(hidapi_libusb
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PROPERTIES
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EXPORT_NAME "libusb"
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OUTPUT_NAME "hidapi-libusb"
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VERSION ${PROJECT_VERSION}
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SOVERSION ${PROJECT_VERSION_MAJOR}
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PUBLIC_HEADER "${HIDAPI_PUBLIC_HEADERS}"
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)
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# compatibility with find_package()
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add_library(hidapi::libusb ALIAS hidapi_libusb)
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# compatibility with raw library link
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add_library(hidapi-libusb ALIAS hidapi_libusb)
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if(HIDAPI_INSTALL_TARGETS)
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install(TARGETS hidapi_libusb EXPORT hidapi
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/hidapi"
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)
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endif()
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hidapi_configure_pc("${PROJECT_ROOT}/pc/hidapi-libusb.pc.in")
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