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zdoom-macos-deps/patch/lzma-add-cmake.diff
alexey.lysiuk 341150a7ce add lzma patch with cmake support
2021-06-19 11:39:44 +03:00

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--- /dev/null
+++ a/CMakeLists.txt
@@ -0,0 +1,659 @@
+#############################################################################
+#
+# Very limited CMake support for building some parts of XZ Utils
+#
+# Building static liblzma with MSVC should work. Building shared liblzma.dll
+# with MSVC may or may not work (building liblzma_w32res.rc might be broken).
+# Building liblzma on a few other platforms should work too but it
+# is somewhat experimental and not as portable as using ./configure.
+#
+# On some platforms this builds also xz and xzdec, but these are
+# highly experimental and meant for testing only:
+# - No large file support on those 32-bit platforms that need it
+# - No replacement getopt_long(), libc must have it
+# - No sandboxing support
+# - No translations
+# - No xz symlinks are installed
+#
+# Other missing things:
+# - No xzgrep or other scripts or their symlinks
+# - No tests (no test failures either!)
+#
+# NOTE: Even if the code compiles without warnings, the end result may be
+# different than via ./configure. Specifically, the list of #defines
+# may be different (if so, probably this CMakeLists.txt got them wrong).
+#
+# This file provides the following installation components (if you only
+# need liblzma, install only its components!):
+# - liblzma_Runtime
+# - liblzma_Development
+# - xz (on some platforms only)
+# - xzdec (on some platforms only)
+#
+# To find the target liblzma::liblzma from other packages, use the CONFIG
+# option with find_package() to avoid a conflict with the FindLibLZMA module
+# with case-insensitive file systems. For example, to require liblzma 5.2.5
+# or a newer compatible version:
+#
+# find_package(liblzma 5.2.5 REQUIRED CONFIG)
+# target_link_libraries(my_application liblzma::liblzma)
+#
+#############################################################################
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+#############################################################################
+
+cmake_minimum_required(VERSION 3.13...3.16 FATAL_ERROR)
+
+include(CheckSymbolExists)
+include(CheckStructHasMember)
+include(cmake/tuklib_integer.cmake)
+include(cmake/tuklib_cpucores.cmake)
+include(cmake/tuklib_physmem.cmake)
+include(cmake/tuklib_progname.cmake)
+include(cmake/tuklib_mbstr.cmake)
+
+# Get the package version from version.h into XZ_VERSION variable.
+file(READ src/liblzma/api/lzma/version.h XZ_VERSION)
+string(REGEX REPLACE
+"^.*\n\
+#define LZMA_VERSION_MAJOR ([0-9]+)\n\
+#define LZMA_VERSION_MINOR ([0-9]+)\n\
+#define LZMA_VERSION_PATCH ([0-9]+)\n\
+.*$"
+ "\\1.\\2.\\3" XZ_VERSION "${XZ_VERSION}")
+
+# Among other things, this gives us variables xz_VERSION and xz_VERSION_MAJOR.
+project(xz VERSION "${XZ_VERSION}" LANGUAGES C)
+
+# Definitions common to all targets:
+add_compile_definitions(
+ # Package info:
+ PACKAGE_NAME="XZ Utils"
+ PACKAGE_BUGREPORT="lasse.collin@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_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_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
+
+ # Standard headers and types are available:
+ HAVE_STDBOOL_H
+ HAVE__BOOL
+ HAVE_STDINT_H
+ HAVE_INTTYPES_H
+
+ # Disable assert() checks when no build type has been specified. Non-empty
+ # build types like "Release" and "Debug" handle this by default.
+ $<$<CONFIG:>:NDEBUG>
+)
+
+# _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)
+
+# This is needed by liblzma and xz.
+tuklib_integer(ALL)
+
+# Check for clock_gettime(). Do this before checking for threading so
+# that we know there if CLOCK_MONOTONIC is available.
+if(NOT WIN32 AND NOT DEFINED CACHE{HAVE_CLOCK_GETTIME})
+ check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME)
+ if(NOT HAVE_CLOCK_GETTIME)
+ # With glibc <= 2.17 or Solaris 10 this needs librt.
+ unset(HAVE_CLOCK_GETTIME CACHE)
+
+ list(INSERT CMAKE_REQUIRED_LIBRARIES 0 rt)
+ check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME)
+
+ # If it was found now, add it to all targets and keep it
+ # in CMAKE_REQUIRED_LIBRARIES for further tests too.
+ if(HAVE_CLOCK_GETTIME)
+ link_libraries(rt)
+ else()
+ list(REMOVE_AT CMAKE_REQUIRED_LIBRARIES 0)
+ endif()
+ endif()
+ if(HAVE_CLOCK_GETTIME)
+ # Check if CLOCK_MONOTONIC is available for clock_gettime().
+ check_symbol_exists(CLOCK_MONOTONIC time.h HAVE_DECL_CLOCK_MONOTONIC)
+
+ # HAVE_DECL_CLOCK_MONOTONIC should always be defined to 0 or 1
+ # when clock_gettime is available.
+ add_compile_definitions(
+ HAVE_CLOCK_GETTIME
+ HAVE_DECL_CLOCK_MONOTONIC=$<BOOL:"${HAVE_DECL_CLOCK_MONOTONIC}">
+ )
+ endif()
+endif()
+
+# Threading support:
+set(THREADS_PREFER_PTHREAD_FLAG TRUE)
+find_package(Threads REQUIRED)
+if(CMAKE_USE_WIN32_THREADS_INIT)
+ add_compile_definitions(MYTHREAD_VISTA)
+else()
+ add_compile_definitions(MYTHREAD_POSIX)
+
+ # Check if pthread_condattr_setclock() exists to use CLOCK_MONOTONIC.
+ if(HAVE_DECL_CLOCK_MONOTONIC)
+ list(INSERT CMAKE_REQUIRED_LIBRARIES 0 "${CMAKE_THREAD_LIBS_INIT}")
+ check_symbol_exists(pthread_condattr_setclock pthread.h
+ HAVE_PTHREAD_CONDATTR_SETCLOCK)
+ tuklib_add_definition_if(ALL HAVE_PTHREAD_CONDATTR_SETCLOCK)
+ endif()
+endif()
+
+# Options for new enough GCC or Clang on any arch or operating system:
+if(CMAKE_C_COMPILER_ID MATCHES GNU|Clang)
+ # configure.ac has a long list but it won't be copied here:
+ add_compile_options(-Wall -Wextra)
+endif()
+
+
+#############################################################################
+# liblzma
+#############################################################################
+
+option(BUILD_SHARED_LIBS "Build liblzma as a shared library instead of static")
+
+add_library(liblzma
+ src/common/mythread.h
+ src/common/sysdefs.h
+ src/common/tuklib_common.h
+ src/common/tuklib_config.h
+ src/common/tuklib_cpucores.c
+ src/common/tuklib_cpucores.h
+ src/common/tuklib_integer.h
+ src/common/tuklib_physmem.c
+ src/common/tuklib_physmem.h
+ src/liblzma/api/lzma.h
+ src/liblzma/api/lzma/base.h
+ src/liblzma/api/lzma/bcj.h
+ src/liblzma/api/lzma/block.h
+ src/liblzma/api/lzma/check.h
+ src/liblzma/api/lzma/container.h
+ src/liblzma/api/lzma/delta.h
+ src/liblzma/api/lzma/filter.h
+ src/liblzma/api/lzma/hardware.h
+ src/liblzma/api/lzma/index.h
+ src/liblzma/api/lzma/index_hash.h
+ src/liblzma/api/lzma/lzma12.h
+ src/liblzma/api/lzma/stream_flags.h
+ src/liblzma/api/lzma/version.h
+ 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/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_encoder.c
+ src/liblzma/common/index_encoder.h
+ src/liblzma/common/index_hash.c
+ src/liblzma/common/memcmplen.h
+ 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.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/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/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
+ src/liblzma/api
+ src/liblzma/common
+ src/liblzma/check
+ src/liblzma/lz
+ src/liblzma/rangecoder
+ src/liblzma/lzma
+ src/liblzma/delta
+ src/liblzma/simple
+ src/common
+)
+
+target_link_libraries(liblzma Threads::Threads)
+
+# Put the tuklib functions under the lzma_ namespace.
+target_compile_definitions(liblzma PRIVATE TUKLIB_SYMBOL_PREFIX=lzma_)
+tuklib_cpucores(liblzma)
+tuklib_physmem(liblzma)
+
+# While liblzma can be built without tuklib_cpucores or tuklib_physmem
+# modules, the liblzma API functions lzma_cputhreads() and lzma_physmem()
+# will then be useless (which isn't too bad but still unfortunate). Since
+# I expect the CMake-based builds to be only used on systems that are
+# supported by these tuklib modules, problems with these tuklib modules
+# are considered a hard error for now. This hopefully helps to catch bugs
+# in the CMake versions of the tuklib checks.
+if(NOT TUKLIB_CPUCORES_FOUND OR NOT TUKLIB_PHYSMEM_FOUND)
+ # Use SEND_ERROR instead of FATAL_ERROR. If someone reports a bug,
+ # seeing the results of the remaining checks can be useful too.
+ message(SEND_ERROR
+ "tuklib_cpucores() or tuklib_physmem() failed. "
+ "Unless you really are building for a system where these "
+ "modules are not supported (unlikely), this is a bug in the "
+ "included cmake/tuklib_*.cmake files that should be fixed. "
+ "To build anyway, edit this CMakeLists.txt to ignore this error.")
+endif()
+
+# immintrin.h:
+include(CheckIncludeFile)
+check_include_file(immintrin.h HAVE_IMMINTRIN_H)
+if(HAVE_IMMINTRIN_H)
+ target_compile_definitions(liblzma PRIVATE HAVE_IMMINTRIN_H)
+
+ # SSE2 intrinsics:
+ include(CheckCSourceCompiles)
+ check_c_source_compiles("
+ #include <immintrin.h>
+ int main(void)
+ {
+ __m128i x = { 0 };
+ _mm_movemask_epi8(x);
+ return 0;
+ }
+ "
+ HAVE__MM_MOVEMASK_EPI8)
+ tuklib_add_definition_if(liblzma HAVE__MM_MOVEMASK_EPI8)
+endif()
+
+# Support -fvisiblity=hidden when building shared liblzma.
+# These lines do nothing on Windows (even under Cygwin).
+# HAVE_VISIBILITY should always be defined to 0 or 1.
+if(BUILD_SHARED_LIBS)
+ set_target_properties(liblzma PROPERTIES C_VISIBILITY_PRESET hidden)
+ target_compile_definitions(liblzma PRIVATE HAVE_VISIBILITY=1)
+else()
+ target_compile_definitions(liblzma PRIVATE HAVE_VISIBILITY=0)
+endif()
+
+if(WIN32)
+ if(BUILD_SHARED_LIBS)
+ # Add the Windows resource file for liblzma.dll.
+ target_sources(liblzma PRIVATE src/liblzma/liblzma_w32res.rc)
+
+ # Export the public API symbols with __declspec(dllexport).
+ target_compile_definitions(liblzma PRIVATE DLL_EXPORT)
+ else()
+ # Disable __declspec(dllimport) when linking against static liblzma.
+ target_compile_definitions(liblzma INTERFACE LZMA_API_STATIC)
+ endif()
+elseif(CMAKE_SYSTEM_NAME MATCHES "^Linux$|^FreeBSD$")
+ # Symbol versioning for shared liblzma. This doesn't affect static builds.
+ target_link_options(liblzma PRIVATE
+ "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma.map"
+ )
+ set_target_properties(liblzma PROPERTIES
+ LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/liblzma/liblzma.map"
+ LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/src/common/common_w32res.rc"
+ )
+endif()
+
+set_target_properties(liblzma PROPERTIES
+ # At least for now the package versioning matches the rules used for
+ # shared library versioning (excluding development releases) so it is
+ # fine to use the package version here.
+ SOVERSION "${xz_VERSION_MAJOR}"
+ VERSION "${xz_VERSION}"
+
+ # It's liblzma.so or liblzma.dll, not libliblzma.so or lzma.dll.
+ # Avoid the name lzma.dll because it would conflict with LZMA SDK.
+ PREFIX ""
+)
+
+# Create liblzmaConfigVersion.cmake.
+#
+# FIXME: SameMajorVersion is correct for stable releases but it is wrong
+# for development releases where each release may have incompatible changes.
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+ "${CMAKE_CURRENT_BINARY_DIR}/liblzmaConfigVersion.cmake"
+ VERSION "${liblzma_VERSION}"
+ COMPATIBILITY SameMajorVersion)
+
+# Create liblzmaConfig.cmake.
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/liblzmaConfig.cmake"
+"include(CMakeFindDependencyMacro)
+set(THREADS_PREFER_PTHREAD_FLAG TRUE)
+find_dependency(Threads)
+include(\"\${CMAKE_CURRENT_LIST_DIR}/liblzmaTargets.cmake\")
+")
+
+# Set CMAKE_INSTALL_LIBDIR and friends.
+include(GNUInstallDirs)
+
+# Install the library binary. The INCLUDES specifies the include path that
+# is exported for other projects to use but it doesn't install any files.
+install(TARGETS liblzma EXPORT liblzmaTargets
+ RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+ COMPONENT liblzma_Runtime
+ LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+ COMPONENT liblzma_Runtime
+ NAMELINK_COMPONENT liblzma_Development
+ ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+ COMPONENT liblzma_Development
+ INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
+
+# Install the liblzma API headers. These use a subdirectory so
+# this has to be done as a separate step.
+install(DIRECTORY src/liblzma/api/
+ COMPONENT liblzma_Development
+ DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+ FILES_MATCHING PATTERN "*.h")
+
+# Install the CMake files that other packages can use to find liblzma.
+set(liblzma_INSTALL_CMAKEDIR
+ "${CMAKE_INSTALL_LIBDIR}/cmake/liblzma"
+ CACHE STRING "Path to liblzma's .cmake files")
+
+install(EXPORT liblzmaTargets
+ NAMESPACE liblzma::
+ FILE liblzmaTargets.cmake
+ DESTINATION "${liblzma_INSTALL_CMAKEDIR}"
+ COMPONENT liblzma_Development)
+
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/liblzmaConfig.cmake"
+ "${CMAKE_CURRENT_BINARY_DIR}/liblzmaConfigVersion.cmake"
+ DESTINATION "${liblzma_INSTALL_CMAKEDIR}"
+ COMPONENT liblzma_Development)
+
+
+#############################################################################
+# getopt_long
+#############################################################################
+
+# The command line tools needs this.
+check_symbol_exists(getopt_long getopt.h HAVE_GETOPT_LONG)
+
+
+#############################################################################
+# xzdec
+#############################################################################
+
+if(HAVE_GETOPT_LONG)
+ add_executable(xzdec
+ src/common/sysdefs.h
+ src/common/tuklib_common.h
+ src/common/tuklib_config.h
+ src/common/tuklib_exit.c
+ src/common/tuklib_exit.h
+ src/common/tuklib_gettext.h
+ src/common/tuklib_progname.c
+ src/common/tuklib_progname.h
+ src/xzdec/xzdec.c
+ )
+
+ target_include_directories(xzdec PRIVATE
+ src/common
+ src/liblzma/api
+ )
+
+ target_link_libraries(xzdec PRIVATE liblzma)
+
+ tuklib_progname(xzdec)
+
+ install(TARGETS xzdec
+ RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+ COMPONENT xzdec)
+
+ if(UNIX)
+ install(FILES src/xzdec/xzdec.1
+ DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
+ COMPONENT xzdec)
+ endif()
+endif()
+
+
+#############################################################################
+# xz
+#############################################################################
+
+if(NOT MSVC AND HAVE_GETOPT_LONG)
+ add_executable(xz
+ src/common/mythread.h
+ src/common/sysdefs.h
+ src/common/tuklib_common.h
+ src/common/tuklib_config.h
+ src/common/tuklib_exit.c
+ src/common/tuklib_exit.h
+ src/common/tuklib_gettext.h
+ src/common/tuklib_integer.h
+ src/common/tuklib_mbstr.h
+ src/common/tuklib_mbstr_fw.c
+ src/common/tuklib_mbstr_width.c
+ src/common/tuklib_open_stdxxx.c
+ src/common/tuklib_open_stdxxx.h
+ src/common/tuklib_progname.c
+ src/common/tuklib_progname.h
+ src/xz/args.c
+ src/xz/args.h
+ src/xz/coder.c
+ src/xz/coder.h
+ src/xz/file_io.c
+ src/xz/file_io.h
+ src/xz/hardware.c
+ src/xz/hardware.h
+ src/xz/list.c
+ src/xz/list.h
+ src/xz/main.c
+ src/xz/main.h
+ src/xz/message.c
+ src/xz/message.h
+ src/xz/mytime.c
+ src/xz/mytime.h
+ src/xz/options.c
+ src/xz/options.h
+ src/xz/private.h
+ src/xz/signals.c
+ src/xz/signals.h
+ src/xz/suffix.c
+ src/xz/suffix.h
+ src/xz/util.c
+ src/xz/util.h
+ )
+
+ target_include_directories(xz PRIVATE
+ src/common
+ src/liblzma/api
+ )
+
+ target_link_libraries(xz PRIVATE liblzma)
+
+ target_compile_definitions(xz PRIVATE ASSUME_RAM=128)
+
+ tuklib_progname(xz)
+ tuklib_mbstr(xz)
+
+ check_symbol_exists(optreset getopt.h HAVE_OPTRESET)
+ tuklib_add_definition_if(xz HAVE_OPTRESET)
+
+ check_symbol_exists(posix_fadvise fcntl.h HAVE_POSIX_FADVISE)
+ tuklib_add_definition_if(xz HAVE_POSIX_FADVISE)
+
+ # How to get file time:
+ check_struct_has_member("struct stat" st_atim.tv_nsec
+ "sys/types.h;sys/stat.h"
+ HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
+ if(HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
+ tuklib_add_definitions(xz HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC)
+ else()
+ check_struct_has_member("struct stat" st_atimespec.tv_nsec
+ "sys/types.h;sys/stat.h"
+ HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
+ if(HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
+ tuklib_add_definitions(xz HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC)
+ else()
+ check_struct_has_member("struct stat" st_atimensec
+ "sys/types.h;sys/stat.h"
+ HAVE_STRUCT_STAT_ST_ATIMENSEC)
+ tuklib_add_definition_if(xz HAVE_STRUCT_STAT_ST_ATIMENSEC)
+ endif()
+ endif()
+
+ # How to set file time:
+ check_symbol_exists(futimens "sys/types.h;sys/stat.h" HAVE_FUTIMENS)
+ if(HAVE_FUTIMENS)
+ tuklib_add_definitions(xz HAVE_FUTIMENS)
+ else()
+ check_symbol_exists(futimes "sys/time.h" HAVE_FUTIMES)
+ if(HAVE_FUTIMES)
+ tuklib_add_definitions(xz HAVE_FUTIMES)
+ else()
+ check_symbol_exists(futimesat "sys/time.h" HAVE_FUTIMESAT)
+ if(HAVE_FUTIMESAT)
+ tuklib_add_definitions(xz HAVE_FUTIMESAT)
+ else()
+ check_symbol_exists(utimes "sys/time.h" HAVE_UTIMES)
+ if(HAVE_UTIMES)
+ tuklib_add_definitions(xz HAVE_UTIMES)
+ else()
+ check_symbol_exists(_futime "sys/utime.h" HAVE__FUTIME)
+ if(HAVE__FUTIME)
+ tuklib_add_definitions(xz HAVE__FUTIME)
+ else()
+ check_symbol_exists(utime "utime.h" HAVE_UTIME)
+ tuklib_add_definition_if(xz HAVE_UTIME)
+ endif()
+ endif()
+ endif()
+ endif()
+ endif()
+
+ install(TARGETS xz
+ RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+ COMPONENT xz)
+
+ install(FILES src/xz/xz.1
+ DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
+ COMPONENT xz)
+endif()
--- /dev/null
+++ a/cmake/tuklib_common.cmake
@@ -0,0 +1,49 @@
+#
+# tuklib_common.cmake - common functions and macros for tuklib_*.cmake files
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+function(tuklib_add_definitions TARGET_OR_ALL DEFINITIONS)
+ # DEFINITIONS may be an empty string/list but it's fine here. There is
+ # no need to quote ${DEFINITIONS} as empty arguments are fine here.
+ if(TARGET_OR_ALL STREQUAL "ALL")
+ add_compile_definitions(${DEFINITIONS})
+ else()
+ target_compile_definitions("${TARGET_OR_ALL}" PRIVATE ${DEFINITIONS})
+ endif()
+endfunction()
+
+function(tuklib_add_definition_if TARGET_OR_ALL VAR)
+ if(${VAR})
+ tuklib_add_definitions("${TARGET_OR_ALL}" "${VAR}")
+ endif()
+endfunction()
+
+# This is an over-simplified version of AC_USE_SYSTEM_EXTENSIONS in Autoconf
+# or gl_USE_SYSTEM_EXTENSIONS in gnulib.
+macro(tuklib_use_system_extensions TARGET_OR_ALL)
+ if(NOT WIN32)
+ # FIXME? The Solaris-specific __EXTENSIONS__ should be conditional
+ # even on Solaris. See gnulib: git log m4/extensions.m4.
+ # FIXME? gnulib and autoconf.git has lots of new stuff.
+ tuklib_add_definitions("${TARGET_OR_ALL}"
+ _GNU_SOURCE
+ __EXTENSIONS__
+ _POSIX_PTHREAD_SEMANTICS
+ _TANDEM_SOURCE
+ _ALL_SOURCE
+ )
+
+ list(APPEND CMAKE_REQUIRED_DEFINITIONS
+ -D_GNU_SOURCE
+ -D__EXTENSIONS__
+ -D_POSIX_PTHREAD_SEMANTICS
+ -D_TANDEM_SOURCE
+ -D_ALL_SOURCE
+ )
+ endif()
+endmacro()
--- /dev/null
+++ a/cmake/tuklib_cpucores.cmake
@@ -0,0 +1,175 @@
+#
+# tuklib_cpucores.cmake - see tuklib_cpucores.m4 for description and comments
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
+include(CheckCSourceCompiles)
+include(CheckIncludeFile)
+
+function(tuklib_cpucores_internal_check)
+ if(WIN32 OR CYGWIN)
+ # Nothing to do, the tuklib_cpucores.c handles it.
+ set(TUKLIB_CPUCORES_DEFINITIONS "" CACHE INTERNAL "")
+ return()
+ endif()
+
+ # glibc-based systems (GNU/Linux and GNU/kFreeBSD) have
+ # sched_getaffinity(). The CPU_COUNT() macro was added in glibc 2.9.
+ # glibc 2.9 is old enough that if someone uses the code on older glibc,
+ # the fallback to sysconf() should be good enough.
+ #
+ # NOTE: This required that _GNU_SOURCE is defined. We assume that whatever
+ # feature test macros the caller wants to use are already set in
+ # CMAKE_REQUIRED_DEFINES and in the target defines.
+ check_c_source_compiles("
+ #include <sched.h>
+ int main(void)
+ {
+ cpu_set_t cpu_mask;
+ sched_getaffinity(0, sizeof(cpu_mask), &cpu_mask);
+ return CPU_COUNT(&cpu_mask);
+ }
+ "
+ TUKLIB_CPUCORES_SCHED_GETAFFINITY)
+ if(TUKLIB_CPUCORES_SCHED_GETAFFINITY)
+ set(TUKLIB_CPUCORES_DEFINITIONS
+ "TUKLIB_CPUCORES_SCHED_GETAFFINITY"
+ CACHE INTERNAL "")
+ return()
+ endif()
+
+ # FreeBSD has both cpuset and sysctl. Look for cpuset first because
+ # it's a better approach.
+ #
+ # This test would match on GNU/kFreeBSD too but it would require
+ # -lfreebsd-glue when linking and thus in the current form this would
+ # fail on GNU/kFreeBSD. The above test for sched_getaffinity() matches
+ # on GNU/kFreeBSD so the test below should never run on that OS.
+ check_c_source_compiles("
+ #include <sys/param.h>
+ #include <sys/cpuset.h>
+ int main(void)
+ {
+ cpuset_t set;
+ cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1,
+ sizeof(set), &set);
+ return 0;
+ }
+ "
+ TUKLIB_CPUCORES_CPUSET)
+ if(TUKLIB_CPUCORES_CPUSET)
+ set(TUKLIB_CPUCORES_DEFINITIONS "HAVE_PARAM_H;TUKLIB_CPUCORES_CPUSET"
+ CACHE INTERNAL "")
+ return()
+ endif()
+
+ # On OS/2, both sysconf() and sysctl() pass the tests in this file,
+ # but only sysctl() works. On QNX it's the opposite: only sysconf() works
+ # (although it assumes that _POSIX_SOURCE, _XOPEN_SOURCE, and
+ # _POSIX_C_SOURCE are undefined or alternatively _QNX_SOURCE is defined).
+ #
+ # We test sysctl() first and intentionally break the sysctl() test on QNX
+ # so that sysctl() is never used on QNX.
+ check_include_file(sys/param.h HAVE_SYS_PARAM_H)
+ if(HAVE_SYS_PARAM_H)
+ list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_PARAM_H)
+ endif()
+ check_c_source_compiles("
+ #ifdef __QNX__
+ compile error
+ #endif
+ #ifdef HAVE_SYS_PARAM_H
+ # include <sys/param.h>
+ #endif
+ #include <sys/sysctl.h>
+ int main(void)
+ {
+ int name[2] = { CTL_HW, HW_NCPU };
+ int cpus;
+ size_t cpus_size = sizeof(cpus);
+ sysctl(name, 2, &cpus, &cpus_size, NULL, 0);
+ return 0;
+ }
+ "
+ TUKLIB_CPUCORES_SYSCTL)
+ if(TUKLIB_CPUCORES_SYSCTL)
+ if(HAVE_SYS_PARAM_H)
+ set(TUKLIB_CPUCORES_DEFINITIONS
+ "HAVE_PARAM_H;TUKLIB_CPUCORES_SYSCTL"
+ CACHE INTERNAL "")
+ else()
+ set(TUKLIB_CPUCORES_DEFINITIONS
+ "TUKLIB_CPUCORES_SYSCTL"
+ CACHE INTERNAL "")
+ endif()
+ return()
+ endif()
+
+ # Many platforms support sysconf().
+ check_c_source_compiles("
+ #include <unistd.h>
+ int main(void)
+ {
+ long i;
+ #ifdef _SC_NPROCESSORS_ONLN
+ /* Many systems using sysconf() */
+ i = sysconf(_SC_NPROCESSORS_ONLN);
+ #else
+ /* IRIX */
+ i = sysconf(_SC_NPROC_ONLN);
+ #endif
+ return 0;
+ }
+ "
+ TUKLIB_CPUCORES_SYSCONF)
+ if(TUKLIB_CPUCORES_SYSCONF)
+ set(TUKLIB_CPUCORES_DEFINITIONS "TUKLIB_CPUCORES_SYSCONF"
+ CACHE INTERNAL "")
+ return()
+ endif()
+
+ # HP-UX
+ check_c_source_compiles("
+ #include <sys/param.h>
+ #include <sys/pstat.h>
+ int main(void)
+ {
+ struct pst_dynamic pst;
+ pstat_getdynamic(&pst, sizeof(pst), 1, 0);
+ (void)pst.psd_proc_cnt;
+ return 0;
+ }
+ "
+ TUKLIB_CPUCORES_PSTAT_GETDYNAMIC)
+ if(TUKLIB_CPUCORES_PSTAT_GETDYNAMIC)
+ set(TUKLIB_CPUCORES_DEFINITIONS "TUKLIB_CPUCORES_PSTAT_GETDYNAMIC"
+ CACHE INTERNAL "")
+ return()
+ endif()
+endfunction()
+
+function(tuklib_cpucores TARGET_OR_ALL)
+ if(NOT DEFINED CACHE{TUKLIB_CPUCORES_FOUND})
+ message(STATUS
+ "Checking how to detect the number of available CPU cores")
+ tuklib_cpucores_internal_check()
+
+ if(DEFINED CACHE{TUKLIB_CPUCORES_DEFINITIONS})
+ set(TUKLIB_CPUCORES_FOUND 1 CACHE INTERNAL "")
+ else()
+ set(TUKLIB_CPUCORES_FOUND 0 CACHE INTERNAL "")
+ message(WARNING
+ "No method to detect the number of CPU cores was found")
+ endif()
+ endif()
+
+ if(TUKLIB_CPUCORES_FOUND)
+ tuklib_add_definitions("${TARGET_OR_ALL}"
+ "${TUKLIB_CPUCORES_DEFINITIONS}")
+ endif()
+endfunction()
--- /dev/null
+++ a/cmake/tuklib_integer.cmake
@@ -0,0 +1,102 @@
+#
+# tuklib_integer.cmake - see tuklib_integer.m4 for description and comments
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
+include(TestBigEndian)
+include(CheckCSourceCompiles)
+include(CheckIncludeFile)
+include(CheckSymbolExists)
+
+function(tuklib_integer TARGET_OR_ALL)
+ # Check for endianness. Unlike the Autoconf's AC_C_BIGENDIAN, this doesn't
+ # support Apple universal binaries. The CMake module will leave the
+ # variable unset so we can catch that situation here instead of continuing
+ # as if we were little endian.
+ test_big_endian(WORDS_BIGENDIAN)
+ if(NOT DEFINED WORDS_BIGENDIAN)
+ message(FATAL_ERROR "Cannot determine endianness")
+ endif()
+ tuklib_add_definition_if("${TARGET_OR_ALL}" WORDS_BIGENDIAN)
+
+ # Look for a byteswapping method.
+ check_c_source_compiles("
+ int main(void)
+ {
+ __builtin_bswap16(1);
+ __builtin_bswap32(1);
+ __builtin_bswap64(1);
+ return 0;
+ }
+ "
+ HAVE___BUILTIN_BSWAPXX)
+ if(HAVE___BUILTIN_BSWAPXX)
+ tuklib_add_definitions("${TARGET_OR_ALL}" HAVE___BUILTIN_BSWAPXX)
+ else()
+ check_include_file(byteswap.h HAVE_BYTESWAP_H)
+ if(HAVE_BYTESWAP_H)
+ tuklib_add_definitions("${TARGET_OR_ALL}" HAVE_BYTESWAP_H)
+ check_symbol_exists(bswap_16 byteswap.h HAVE_BSWAP_16)
+ tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_BSWAP_16)
+ check_symbol_exists(bswap_32 byteswap.h HAVE_BSWAP_32)
+ tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_BSWAP_32)
+ check_symbol_exists(bswap_64 byteswap.h HAVE_BSWAP_64)
+ tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_BSWAP_64)
+ else()
+ check_include_file(sys/endian.h HAVE_SYS_ENDIAN_H)
+ if(HAVE_SYS_ENDIAN_H)
+ tuklib_add_definitions("${TARGET_OR_ALL}" HAVE_SYS_ENDIAN_H)
+ else()
+ check_include_file(sys/byteorder.h HAVE_SYS_BYTEORDER_H)
+ tuklib_add_definition_if("${TARGET_OR_ALL}"
+ HAVE_SYS_BYTEORDER_H)
+ endif()
+ endif()
+ endif()
+
+ # 16-bit and 32-bit unaligned access is fast on x86(-64),
+ # big endian PowerPC, and usually on 32/64-bit ARM too.
+ # There are others too and ARM could be a false match.
+ #
+ # Guess the default value for the option.
+ # CMake's ability to give info about the target arch seems bad.
+ # The the same arch can have different name depending on the OS.
+ #
+ # FIXME: The regex is based on guessing, not on factual information!
+ #
+ # NOTE: Compared to the Autoconf test, this lacks the GCC/Clang test
+ # on ARM and always assumes that unaligned is fast on ARM.
+ set(FAST_UNALIGNED_GUESS OFF)
+ if(CMAKE_SYSTEM_PROCESSOR MATCHES
+ "[Xx3456]86|^[Xx]64|^[Aa][Mm][Dd]64|^[Aa][Rr][Mm]|^aarch|^powerpc|^ppc")
+ if(NOT WORDS_BIGENDIAN OR
+ NOT CMAKE_SYSTEM_PROCESSOR MATCHES "^powerpc|^ppc")
+ set(FAST_UNALIGNED_GUESS ON)
+ endif()
+ endif()
+ option(TUKLIB_FAST_UNALIGNED_ACCESS
+ "Enable if the system supports *fast* unaligned memory access \
+with 16-bit and 32-bit integers."
+ "${FAST_UNALIGNED_GUESS}")
+ tuklib_add_definition_if("${TARGET_OR_ALL}" TUKLIB_FAST_UNALIGNED_ACCESS)
+
+ # Unsafe type punning:
+ option(TUKLIB_USE_UNSAFE_TYPE_PUNNING
+ "This introduces strict aliasing violations and \
+may result in broken code. However, this might improve performance \
+in some cases, especially with old compilers \
+(e.g. GCC 3 and early 4.x on x86, GCC < 6 on ARMv6 and ARMv7)."
+ OFF)
+ tuklib_add_definition_if("${TARGET_OR_ALL}" TUKLIB_USE_UNSAFE_TYPE_PUNNING)
+
+ # Check for GCC/Clang __builtin_assume_aligned().
+ check_c_source_compiles(
+ "int main(void) { __builtin_assume_aligned(\"\", 1); return 0; }"
+ HAVE___BUILTIN_ASSUME_ALIGNED)
+ tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE___BUILTIN_ASSUME_ALIGNED)
+endfunction()
--- /dev/null
+++ a/cmake/tuklib_mbstr.cmake
@@ -0,0 +1,20 @@
+#
+# tuklib_mbstr.cmake - see tuklib_mbstr.m4 for description and comments
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
+include(CheckSymbolExists)
+
+function(tuklib_mbstr TARGET_OR_ALL)
+ check_symbol_exists(mbrtowc wchar.h HAVE_MBRTOWC)
+ tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_MBRTOWC)
+
+ # NOTE: wcwidth() requires _GNU_SOURCE or _XOPEN_SOURCE on GNU/Linux.
+ check_symbol_exists(wcwidth wchar.h HAVE_WCWIDTH)
+ tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_WCWIDTH)
+endfunction()
--- /dev/null
+++ a/cmake/tuklib_physmem.cmake
@@ -0,0 +1,150 @@
+#
+# tuklib_physmem.cmake - see tuklib_physmem.m4 for description and comments
+#
+# NOTE: Compared tuklib_physmem.m4, this lacks support for Tru64, IRIX, and
+# Linux sysinfo() (usually sysconf() is used on GNU/Linux).
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
+include(CheckCSourceCompiles)
+include(CheckIncludeFile)
+
+function(tuklib_physmem_internal_check)
+ # Shortcut on Windows:
+ if(WIN32 OR CYGWIN)
+ # Nothing to do, the tuklib_physmem.c handles it.
+ set(TUKLIB_PHYSMEM_DEFINITIONS "" CACHE INTERNAL "")
+ return()
+ endif()
+
+ # Full check for special cases:
+ check_c_source_compiles("
+ #if defined(_WIN32) || defined(__CYGWIN__) || defined(__OS2__) \
+ || defined(__DJGPP__) || defined(__VMS) \
+ || defined(AMIGA) || defined(__AROS__) || defined(__QNX__)
+ int main(void) { return 0; }
+ #else
+ compile error
+ #endif
+ "
+ TUKLIB_PHYSMEM_SPECIAL)
+ if(TUKLIB_PHYSMEM_SPECIAL)
+ # Nothing to do, the tuklib_physmem.c handles it.
+ set(TUKLIB_PHYSMEM_DEFINITIONS "" CACHE INTERNAL "")
+ return()
+ endif()
+
+ # Look for AIX-specific solution before sysconf(), because the test
+ # for sysconf() will pass on AIX but won't actually work
+ # (sysconf(_SC_PHYS_PAGES) compiles but always returns -1 on AIX).
+ check_c_source_compiles("
+ #include <sys/systemcfg.h>
+ int main(void)
+ {
+ (void)_system_configuration.physmem;
+ return 0;
+ }
+ "
+ TUKLIB_PHYSMEM_AIX)
+ if(TUKLIB_PHYSMEM_AIX)
+ set(TUKLIB_PHYSMEM_DEFINITIONS "TUKLIB_PHYSMEM_AIX" CACHE INTERNAL "")
+ return()
+ endif()
+
+ # sysconf()
+ check_c_source_compiles("
+ #include <unistd.h>
+ int main(void)
+ {
+ long i;
+ i = sysconf(_SC_PAGESIZE);
+ i = sysconf(_SC_PHYS_PAGES);
+ return 0;
+ }
+ "
+ TUKLIB_PHYSMEM_SYSCONF)
+ if(TUKLIB_PHYSMEM_SYSCONF)
+ set(TUKLIB_PHYSMEM_DEFINITIONS "TUKLIB_PHYSMEM_SYSCONF"
+ CACHE INTERNAL "")
+ return()
+ endif()
+
+ # sysctl()
+ check_include_file(sys/param.h HAVE_SYS_PARAM_H)
+ if(HAVE_SYS_PARAM_H)
+ list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_PARAM_H)
+ endif()
+
+ check_c_source_compiles("
+ #ifdef HAVE_SYS_PARAM_H
+ # include <sys/param.h>
+ #endif
+ #include <sys/sysctl.h>
+ int main(void)
+ {
+ int name[2] = { CTL_HW, HW_PHYSMEM };
+ unsigned long mem;
+ size_t mem_ptr_size = sizeof(mem);
+ sysctl(name, 2, &mem, &mem_ptr_size, NULL, 0);
+ return 0;
+ }
+ "
+ TUKLIB_PHYSMEM_SYSCTL)
+ if(TUKLIB_PHYSMEM_SYSCTL)
+ if(HAVE_SYS_PARAM_H)
+ set(TUKLIB_PHYSMEM_DEFINITIONS
+ "HAVE_PARAM_H;TUKLIB_PHYSMEM_SYSCTL"
+ CACHE INTERNAL "")
+ else()
+ set(TUKLIB_PHYSMEM_DEFINITIONS
+ "TUKLIB_PHYSMEM_SYSCTL"
+ CACHE INTERNAL "")
+ endif()
+ return()
+ endif()
+
+ # HP-UX
+ check_c_source_compiles("
+ #include <sys/param.h>
+ #include <sys/pstat.h>
+ int main(void)
+ {
+ struct pst_static pst;
+ pstat_getstatic(&pst, sizeof(pst), 1, 0);
+ (void)pst.physical_memory;
+ (void)pst.page_size;
+ return 0;
+ }
+ "
+ TUKLIB_PHYSMEM_PSTAT_GETSTATIC)
+ if(TUKLIB_PHYSMEM_PSTAT_GETSTATIC)
+ set(TUKLIB_PHYSMEM_DEFINITIONS "TUKLIB_PHYSMEM_PSTAT_GETSTATIC"
+ CACHE INTERNAL "")
+ return()
+ endif()
+endfunction()
+
+function(tuklib_physmem TARGET_OR_ALL)
+ if(NOT DEFINED CACHE{TUKLIB_PHYSMEM_FOUND})
+ message(STATUS "Checking how to detect the amount of physical memory")
+ tuklib_physmem_internal_check()
+
+ if(DEFINED CACHE{TUKLIB_PHYSMEM_DEFINITIONS})
+ set(TUKLIB_PHYSMEM_FOUND 1 CACHE INTERNAL "")
+ else()
+ set(TUKLIB_PHYSMEM_FOUND 0 CACHE INTERNAL "")
+ message(WARNING
+ "No method to detect the amount of physical memory was found")
+ endif()
+ endif()
+
+ if(TUKLIB_PHYSMEM_FOUND)
+ tuklib_add_definitions("${TARGET_OR_ALL}"
+ "${TUKLIB_PHYSMEM_DEFINITIONS}")
+ endif()
+endfunction()
--- /dev/null
+++ a/cmake/tuklib_progname.cmake
@@ -0,0 +1,19 @@
+#
+# tuklib_progname.cmake - see tuklib_progname.m4 for description and comments
+#
+# Author: Lasse Collin
+#
+# This file has been put into the public domain.
+# You can do whatever you want with this file.
+#
+
+include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
+include(CheckSymbolExists)
+
+function(tuklib_progname TARGET_OR_ALL)
+ # NOTE: This glibc extension requires _GNU_SOURCE.
+ check_symbol_exists(program_invocation_name errno.h
+ HAVE_DECL_PROGRAM_INVOCATION_NAME)
+ tuklib_add_definition_if("${TARGET_OR_ALL}"
+ HAVE_DECL_PROGRAM_INVOCATION_NAME)
+endfunction()
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