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66 lines
1.9 KiB
66 lines
1.9 KiB
6 years ago
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# - Try to find BZip2
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# You can set BZIP2_ROOT to specify a certain directory to look in first.
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# Once done this will define
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# BZIP2_FOUND - System has BZip2
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# BZIP2_INCLUDE_DIRS - The BZip2 include directories
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# BZIP2_LIBRARIES - The libraries needed to use BZip2
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# Unless we are unable to find ZLIB
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# It also adds an imported target named `3ds::bzip2`, Linking against it is
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# equivalent to:
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# target_link_libraries(mytarget ${BZIP2_LIBRARIES})
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# target_include_directories(mytarget PRIVATE ${BZIP2_INCLUDE_DIRS})
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if(NOT N3DS)
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message(FATAL_ERROR "This module can only be used if you are using the 3DS toolchain file. Please erase this build directory or create another one, and then use -DCMAKE_TOOLCHAIN_FILE=DevkitArm3DS.cmake when calling cmake for the 1st time. For more information, see the Readme.md for more information.")
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endif()
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if(BZIP2_INCLUDE_DIR)
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# Already in cache, be silent
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set(BZIP2_FIND_QUIETLY TRUE)
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endif(BZIP2_INCLUDE_DIR)
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include(LibFindMacros)
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include(try_add_imported_target)
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#libfind_package(BZIP2)
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set(_BZIP2_SEARCHES)
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# Search BZIP2_ROOT first if it is set.
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if(BZIP2_ROOT)
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set(_BZIP2_SEARCH_ROOT
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PATHS ${BZIP2_ROOT}
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NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH)
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list(APPEND _BZIP2_SEARCHES _BZIP2_SEARCH_ROOT)
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endif()
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# Search below ${DEVKITPRO}, ${DEVKITARM}, portlibs (if enabled) etc.
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set(_BZIP2_SEARCH_NORMAL
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PATHS /
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NO_DEFAULT_PATH
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ONLY_CMAKE_FIND_ROOT_PATH)
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list(APPEND _BZIP2_SEARCHES _BZIP2_SEARCH_NORMAL)
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foreach(search ${_BZIP2_SEARCHES})
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find_path(BZIP2_INCLUDE_DIR NAMES bzlib.h
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${${search}}
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PATH_SUFFIXES include)
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find_library(BZIP2_LIBRARY NAMES bzip2 libbz2.a
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${${search}}
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PATH_SUFFIXES lib)
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endforeach()
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#find_library(LIBM_LIBRARY NAMES m libm.a
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# PATHS / /arm-none-eabi
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# PATH_SUFFIXES lib/armv6k/fpu)
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set(LIBM_LIBRARY m)
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set(BZIP2_PROCESS_INCLUDES BZIP2_INCLUDE_DIR)
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set(BZIP2_PROCESS_LIBS BZIP2_LIBRARY LIBM_LIBRARY)
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libfind_process(BZIP2)
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try_add_imported_target(BZIP2 m)
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