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CMake: Allow configuring features as cache variables.

This allows users to change the features they build either in
CMakeCache.txt or by using a CMake GUI. The sources built for
liblzma are affected by this too, so only the necessary files
will be compiled.
This commit is contained in:
Jia Tan 2023-02-25 11:46:50 +08:00
parent 8be136f667
commit 2c1a830efb

View file

@ -122,50 +122,25 @@ add_compile_definitions(
PACKAGE_BUGREPORT="xz@tukaani.org"
PACKAGE_URL="https://tukaani.org/xz/"
# Features:
HAVE_CHECK_CRC32
HAVE_CHECK_CRC64
HAVE_CHECK_SHA256
HAVE_DECODERS
HAVE_DECODER_ARM
HAVE_DECODER_ARMTHUMB
HAVE_DECODER_ARM64
HAVE_DECODER_DELTA
HAVE_DECODER_IA64
HAVE_DECODER_LZMA1
HAVE_DECODER_LZMA2
HAVE_DECODER_POWERPC
HAVE_DECODER_SPARC
HAVE_DECODER_X86
HAVE_ENCODERS
HAVE_ENCODER_ARM
HAVE_ENCODER_ARMTHUMB
HAVE_ENCODER_ARM64
HAVE_ENCODER_DELTA
HAVE_ENCODER_IA64
HAVE_ENCODER_LZMA1
HAVE_ENCODER_LZMA2
HAVE_ENCODER_POWERPC
HAVE_ENCODER_SPARC
HAVE_ENCODER_X86
HAVE_MF_BT2
HAVE_MF_BT3
HAVE_MF_BT4
HAVE_MF_HC3
HAVE_MF_HC4
HAVE_LZIP_DECODER
# Standard headers and types are available:
HAVE_STDBOOL_H
HAVE__BOOL
HAVE_STDINT_H
HAVE_INTTYPES_H
# Always enable CRC32 since liblzma should never build without it.
HAVE_CHECK_CRC32
# Disable assert() checks when no build type has been specified. Non-empty
# build types like "Release" and "Debug" handle this by default.
$<$<CONFIG:>:NDEBUG>
)
######################
# System definitions #
######################
# _GNU_SOURCE and such definitions. This specific macro is special since
# it also adds the definitions to CMAKE_REQUIRED_DEFINITIONS.
tuklib_use_system_extensions(ALL)
@ -203,7 +178,11 @@ if(NOT WIN32 AND NOT DEFINED HAVE_CLOCK_GETTIME)
endif()
endif()
# Threading support:
#############
# Threading #
#############
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
find_package(Threads REQUIRED)
if(CMAKE_USE_WIN32_THREADS_INIT)
@ -270,128 +249,25 @@ add_library(liblzma
src/liblzma/api/lzma/vli.h
src/liblzma/check/check.c
src/liblzma/check/check.h
src/liblzma/check/crc32_fast.c
src/liblzma/check/crc32_table.c
src/liblzma/check/crc32_table_be.h
src/liblzma/check/crc32_table_le.h
src/liblzma/check/crc64_fast.c
src/liblzma/check/crc64_table.c
src/liblzma/check/crc64_table_be.h
src/liblzma/check/crc64_table_le.h
src/liblzma/check/crc_macros.h
src/liblzma/check/sha256.c
src/liblzma/common/alone_decoder.c
src/liblzma/common/alone_decoder.h
src/liblzma/common/alone_encoder.c
src/liblzma/common/auto_decoder.c
src/liblzma/common/block_buffer_decoder.c
src/liblzma/common/block_buffer_encoder.c
src/liblzma/common/block_buffer_encoder.h
src/liblzma/common/block_decoder.c
src/liblzma/common/block_decoder.h
src/liblzma/common/block_encoder.c
src/liblzma/common/block_encoder.h
src/liblzma/common/block_header_decoder.c
src/liblzma/common/block_header_encoder.c
src/liblzma/common/block_util.c
src/liblzma/common/common.c
src/liblzma/common/common.h
src/liblzma/common/easy_buffer_encoder.c
src/liblzma/common/easy_decoder_memusage.c
src/liblzma/common/easy_encoder.c
src/liblzma/common/easy_encoder_memusage.c
src/liblzma/common/easy_preset.c
src/liblzma/common/easy_preset.h
src/liblzma/common/file_info.c
src/liblzma/common/filter_buffer_decoder.c
src/liblzma/common/filter_buffer_encoder.c
src/liblzma/common/filter_common.c
src/liblzma/common/filter_common.h
src/liblzma/common/filter_decoder.c
src/liblzma/common/filter_decoder.h
src/liblzma/common/filter_encoder.c
src/liblzma/common/filter_encoder.h
src/liblzma/common/filter_flags_decoder.c
src/liblzma/common/filter_flags_encoder.c
src/liblzma/common/hardware_cputhreads.c
src/liblzma/common/hardware_physmem.c
src/liblzma/common/index.c
src/liblzma/common/index.h
src/liblzma/common/index_decoder.c
src/liblzma/common/index_decoder.h
src/liblzma/common/index_encoder.c
src/liblzma/common/index_encoder.h
src/liblzma/common/index_hash.c
src/liblzma/common/lzip_decoder.c
src/liblzma/common/lzip_decoder.h
src/liblzma/common/memcmplen.h
src/liblzma/common/microlzma_decoder.c
src/liblzma/common/microlzma_encoder.c
src/liblzma/common/outqueue.c
src/liblzma/common/outqueue.h
src/liblzma/common/stream_buffer_decoder.c
src/liblzma/common/stream_buffer_encoder.c
src/liblzma/common/stream_decoder.c
src/liblzma/common/stream_decoder_mt.c
src/liblzma/common/stream_decoder.h
src/liblzma/common/stream_encoder.c
src/liblzma/common/stream_encoder_mt.c
src/liblzma/common/stream_flags_common.c
src/liblzma/common/stream_flags_common.h
src/liblzma/common/stream_flags_decoder.c
src/liblzma/common/stream_flags_encoder.c
src/liblzma/common/string_conversion.c
src/liblzma/common/vli_decoder.c
src/liblzma/common/vli_encoder.c
src/liblzma/common/vli_size.c
src/liblzma/delta/delta_common.c
src/liblzma/delta/delta_common.h
src/liblzma/delta/delta_decoder.c
src/liblzma/delta/delta_decoder.h
src/liblzma/delta/delta_encoder.c
src/liblzma/delta/delta_encoder.h
src/liblzma/delta/delta_private.h
src/liblzma/lz/lz_decoder.c
src/liblzma/lz/lz_decoder.h
src/liblzma/lz/lz_encoder.c
src/liblzma/lz/lz_encoder.h
src/liblzma/lz/lz_encoder_hash.h
src/liblzma/lz/lz_encoder_hash_table.h
src/liblzma/lz/lz_encoder_mf.c
src/liblzma/lzma/fastpos.h
src/liblzma/lzma/fastpos_table.c
src/liblzma/lzma/lzma2_decoder.c
src/liblzma/lzma/lzma2_decoder.h
src/liblzma/lzma/lzma2_encoder.c
src/liblzma/lzma/lzma2_encoder.h
src/liblzma/lzma/lzma_common.h
src/liblzma/lzma/lzma_decoder.c
src/liblzma/lzma/lzma_decoder.h
src/liblzma/lzma/lzma_encoder.c
src/liblzma/lzma/lzma_encoder.h
src/liblzma/lzma/lzma_encoder_optimum_fast.c
src/liblzma/lzma/lzma_encoder_optimum_normal.c
src/liblzma/lzma/lzma_encoder_presets.c
src/liblzma/lzma/lzma_encoder_private.h
src/liblzma/rangecoder/price.h
src/liblzma/rangecoder/price_table.c
src/liblzma/rangecoder/range_common.h
src/liblzma/rangecoder/range_decoder.h
src/liblzma/rangecoder/range_encoder.h
src/liblzma/simple/arm.c
src/liblzma/simple/armthumb.c
src/liblzma/simple/arm64.c
src/liblzma/simple/ia64.c
src/liblzma/simple/powerpc.c
src/liblzma/simple/simple_coder.c
src/liblzma/simple/simple_coder.h
src/liblzma/simple/simple_decoder.c
src/liblzma/simple/simple_decoder.h
src/liblzma/simple/simple_encoder.c
src/liblzma/simple/simple_encoder.h
src/liblzma/simple/simple_private.h
src/liblzma/simple/sparc.c
src/liblzma/simple/x86.c
)
target_include_directories(liblzma PRIVATE
@ -406,6 +282,384 @@ target_include_directories(liblzma PRIVATE
src/common
)
######################
# Size optimizations #
######################
option(ENABLE_SMALL "Reduce code size at expense of speed. \
This may be useful together with CMAKE_BUILD_TYPE=MinSizeRel.")
if(ENABLE_SMALL)
add_compile_definitions(HAVE_SMALL)
endif()
##########
# Checks #
##########
set(ADDITIONAL_SUPPORTED_CHECKS crc64 sha256)
set(ADDITIONAL_CHECK_TYPES "${ADDITIONAL_SUPPORTED_CHECKS}" CACHE STRING
"Additional check types to support (crc32 is always built)")
foreach(CHECK IN LISTS ADDITIONAL_CHECK_TYPES)
if(NOT CHECK IN_LIST ADDITIONAL_SUPPORTED_CHECKS)
message(SEND_ERROR "'${CHECK}' is not a supported check type")
endif()
endforeach()
if(ENABLE_SMALL)
target_sources(liblzma PRIVATE src/liblzma/check/crc32_small.c)
else()
target_sources(liblzma PRIVATE
src/liblzma/check/crc32_fast.c
src/liblzma/check/crc32_table.c
src/liblzma/check/crc32_table_be.h
src/liblzma/check/crc32_table_le.h
)
endif()
if("crc64" IN_LIST ADDITIONAL_CHECK_TYPES)
add_compile_definitions("HAVE_CHECK_CRC64")
if(ENABLE_SMALL)
target_sources(liblzma PRIVATE src/liblzma/check/crc64_small.c)
else()
target_sources(liblzma PRIVATE
src/liblzma/check/crc64_fast.c
src/liblzma/check/crc64_table.c
src/liblzma/check/crc64_table_be.h
src/liblzma/check/crc64_table_le.h
)
endif()
endif()
if("sha256" IN_LIST ADDITIONAL_CHECK_TYPES)
add_compile_definitions("HAVE_CHECK_SHA256")
target_sources(liblzma PRIVATE src/liblzma/check/sha256.c)
endif()
#################
# Match finders #
#################
set(SUPPORTED_MATCH_FINDERS hc3 hc4 bt2 bt3 bt4)
set(MATCH_FINDERS "${SUPPORTED_MATCH_FINDERS}" CACHE STRING
"Match finders to support (at least one is required for LZMA1 or LZMA2)")
foreach(MF IN LISTS MATCH_FINDERS)
if(MF IN_LIST SUPPORTED_MATCH_FINDERS)
string(TOUPPER "${MF}" MF_UPPER)
add_compile_definitions("HAVE_MF_${MF_UPPER}")
else()
message(SEND_ERROR "'${MF}' is not a supported match finder")
endif()
endforeach()
############
# Encoders #
############
set(SIMPLE_FILTERS
x86
arm
armthumb
arm64
powerpc
ia64
sparc
)
# The SUPPORTED_FILTERS are shared between Encoders and Decoders
# since only lzip does not appear in both lists. lzip is a special
# case anyway, so it is handled separately in the Decoders section.
set(SUPPORTED_FILTERS
lzma1
lzma2
delta
"${SIMPLE_FILTERS}"
)
set(ENCODERS "${SUPPORTED_FILTERS}" CACHE STRING "Encoders to support")
# If LZMA2 is enabled, then LZMA1 must also be enabled.
if(NOT "lzma1" IN_LIST ENCODERS AND "lzma2" IN_LIST ENCODERS)
message(SEND_ERROR "LZMA2 encoder requires that LZMA1 is also enabled")
endif()
# If LZMA1 is enabled, then at least one match finder must be enabled.
if(MATCH_FINDERS STREQUAL "" AND "lzma1" IN_LIST ENCODERS)
message(SEND_ERROR "At least 1 match finder is required for an "
"LZ-based encoder")
endif()
set(HAVE_DELTA_CODER OFF)
set(SIMPLE_ENCODERS OFF)
set(HAVE_ENCODERS OFF)
foreach(ENCODER IN LISTS ENCODERS)
if(ENCODER IN_LIST SUPPORTED_FILTERS)
set(HAVE_ENCODERS ON)
if(NOT SIMPLE_ENCODERS AND ENCODER IN_LIST SIMPLE_FILTERS)
set(SIMPLE_ENCODERS ON)
endif()
string(TOUPPER "${ENCODER}" ENCODER_UPPER)
add_compile_definitions("HAVE_ENCODER_${ENCODER_UPPER}")
else()
message(SEND_ERROR "'${ENCODER}' is not a supported encoder")
endif()
endforeach()
if(HAVE_ENCODERS)
add_compile_definitions(HAVE_ENCODERS)
target_sources(liblzma PRIVATE
src/liblzma/common/alone_encoder.c
src/liblzma/common/block_buffer_encoder.c
src/liblzma/common/block_buffer_encoder.h
src/liblzma/common/block_encoder.c
src/liblzma/common/block_encoder.h
src/liblzma/common/block_header_encoder.c
src/liblzma/common/easy_buffer_encoder.c
src/liblzma/common/easy_encoder.c
src/liblzma/common/easy_encoder_memusage.c
src/liblzma/common/filter_buffer_encoder.c
src/liblzma/common/filter_encoder.c
src/liblzma/common/filter_encoder.h
src/liblzma/common/filter_flags_encoder.c
src/liblzma/common/index_encoder.c
src/liblzma/common/index_encoder.h
src/liblzma/common/stream_buffer_encoder.c
src/liblzma/common/stream_encoder.c
src/liblzma/common/stream_encoder_mt.c
src/liblzma/common/stream_flags_encoder.c
src/liblzma/common/vli_encoder.c
)
if(SIMPLE_ENCODERS)
target_sources(liblzma PRIVATE
src/liblzma/simple/simple_encoder.c
src/liblzma/simple/simple_encoder.h
)
endif()
if("lzma1" IN_LIST ENCODERS)
target_sources(liblzma PRIVATE
src/liblzma/lzma/lzma_encoder.c
src/liblzma/lzma/lzma_encoder.h
src/liblzma/lzma/lzma_encoder_optimum_fast.c
src/liblzma/lzma/lzma_encoder_optimum_normal.c
src/liblzma/lzma/lzma_encoder_private.h
src/liblzma/lzma/fastpos.h
src/liblzma/lz/lz_encoder.c
src/liblzma/lz/lz_encoder.h
src/liblzma/lz/lz_encoder_hash.h
src/liblzma/lz/lz_encoder_hash_table.h
src/liblzma/lz/lz_encoder_mf.c
src/liblzma/rangecoder/price.h
src/liblzma/rangecoder/price_table.c
src/liblzma/rangecoder/range_encoder.h
)
if(NOT ENABLE_SMALL)
target_sources(liblzma PRIVATE src/liblzma/lzma/fastpos_table.c)
endif()
endif()
if("lzma2" IN_LIST ENCODERS)
target_sources(liblzma PRIVATE
src/liblzma/lzma/lzma2_encoder.c
src/liblzma/lzma/lzma2_encoder.h
)
endif()
if("delta" IN_LIST ENCODERS)
set(HAVE_DELTA_CODER ON)
target_sources(liblzma PRIVATE
src/liblzma/delta/delta_encoder.c
src/liblzma/delta/delta_encoder.h
)
endif()
endif()
############
# Decoders #
############
set(DECODERS "${SUPPORTED_FILTERS}" CACHE STRING "Decoders to support")
set(SIMPLE_DECODERS OFF)
set(HAVE_DECODERS OFF)
foreach(DECODER IN LISTS DECODERS)
if(DECODER IN_LIST SUPPORTED_FILTERS)
set(HAVE_DECODERS ON)
if(NOT SIMPLE_DECODERS AND DECODER IN_LIST SIMPLE_FILTERS)
set(SIMPLE_DECODERS ON)
endif()
string(TOUPPER "${DECODER}" DECODER_UPPER)
add_compile_definitions("HAVE_DECODER_${DECODER_UPPER}")
else()
message(SEND_ERROR "'${DECODER}' is not a supported decoder")
endif()
endforeach()
if(HAVE_DECODERS)
add_compile_definitions(HAVE_DECODERS)
target_sources(liblzma PRIVATE
src/liblzma/common/alone_decoder.c
src/liblzma/common/alone_decoder.h
src/liblzma/common/auto_decoder.c
src/liblzma/common/block_buffer_decoder.c
src/liblzma/common/block_decoder.c
src/liblzma/common/block_decoder.h
src/liblzma/common/block_header_decoder.c
src/liblzma/common/easy_decoder_memusage.c
src/liblzma/common/file_info.c
src/liblzma/common/filter_buffer_decoder.c
src/liblzma/common/filter_decoder.c
src/liblzma/common/filter_decoder.h
src/liblzma/common/filter_flags_decoder.c
src/liblzma/common/index_decoder.c
src/liblzma/common/index_decoder.h
src/liblzma/common/index_hash.c
src/liblzma/common/stream_buffer_decoder.c
src/liblzma/common/stream_decoder.c
src/liblzma/common/stream_flags_decoder.c
src/liblzma/common/stream_decoder_mt.c
src/liblzma/common/stream_decoder.h
src/liblzma/common/vli_decoder.c
)
if(SIMPLE_DECODERS)
target_sources(liblzma PRIVATE
src/liblzma/simple/simple_decoder.c
src/liblzma/simple/simple_decoder.h
)
endif()
if("lzma1" IN_LIST DECODERS)
target_sources(liblzma PRIVATE
src/liblzma/lzma/lzma_decoder.c
src/liblzma/lzma/lzma_decoder.h
src/liblzma/rangecoder/range_decoder.h
src/liblzma/lz/lz_decoder.c
src/liblzma/lz/lz_decoder.h
)
endif()
if("lzma2" IN_LIST DECODERS)
target_sources(liblzma PRIVATE
src/liblzma/lzma/lzma2_decoder.c
src/liblzma/lzma/lzma2_decoder.h
)
endif()
if("delta" IN_LIST DECODERS)
set(HAVE_DELTA_CODER ON)
target_sources(liblzma PRIVATE
src/liblzma/delta/delta_decoder.c
src/liblzma/delta/delta_decoder.h
)
endif()
endif()
# Some sources must appear if the filter is configured as either
# an encoder or decoder.
if("lzma1" IN_LIST ENCODERS OR "lzma1" IN_LIST DECODERS)
target_sources(liblzma PRIVATE
src/liblzma/rangecoder/range_common.h
src/liblzma/lzma/lzma_encoder_presets.c
src/liblzma/lzma/lzma_common.h
)
endif()
if(HAVE_DELTA_CODER)
target_sources(liblzma PRIVATE
src/liblzma/delta/delta_common.c
src/liblzma/delta/delta_common.h
src/liblzma/delta/delta_private.h
)
endif()
if(SIMPLE_ENCODERS OR SIMPLE_DECODERS)
target_sources(liblzma PRIVATE
src/liblzma/simple/simple_coder.c
src/liblzma/simple/simple_coder.h
src/liblzma/simple/simple_private.h
)
endif()
foreach(SIMPLE_CODER IN LISTS SIMPLE_FILTERS)
if(SIMPLE_CODER IN_LIST ENCODERS OR SIMPLE_CODER IN_LIST DECODERS)
target_sources(liblzma PRIVATE "src/liblzma/simple/${SIMPLE_CODER}.c")
endif()
endforeach()
#############
# MicroLZMA #
#############
option(MICROLZMA_ENCODER
"MicroLZMA encoder (needed by specific applications only)" ON)
option(MICROLZMA_DECODER
"MicroLZMA decoder (needed by specific applications only)" ON)
if(MICROLZMA_ENCODER)
if(NOT "lzma1" IN_LIST ENCODERS)
message(SEND_ERROR "The LZMA1 encoder is required to support the "
"MicroLZMA encoder")
endif()
target_sources(liblzma PRIVATE src/liblzma/common/microlzma_encoder.c)
endif()
if(MICROLZMA_DECODER)
if(NOT "lzma1" IN_LIST DECODERS)
message(SEND_ERROR "The LZMA1 decoder is required to support the "
"MicroLZMA decoder")
endif()
target_sources(liblzma PRIVATE src/liblzma/common/microlzma_decoder.c)
endif()
#############################
# lzip (.lz) format support #
#############################
option(LZIP_DECODER "Support lzip decoder" ON)
if(LZIP_DECODER)
# If lzip decoder support is requested, make sure LZMA1 decoder is enabled.
if(NOT "lzma1" IN_LIST DECODERS)
message(SEND_ERROR "The LZMA1 decoder is required to support the "
"lzip decoder")
endif()
add_compile_definitions(HAVE_LZIP_DECODER)
target_sources(liblzma PRIVATE
src/liblzma/common/lzip_decoder.c
src/liblzma/common/lzip_decoder.h
)
endif()
###
target_link_libraries(liblzma Threads::Threads)
# Put the tuklib functions under the lzma_ namespace.