| --- /dev/null |
| +++ b/CMakeLists.txt |
| @@ -0,0 +1,354 @@ |
| +cmake_minimum_required(VERSION 3.12) |
| + |
| +project(bzip2 |
| + VERSION 1.0.8 |
| + DESCRIPTION "This Bzip2/libbz2 a program and library for lossless block-sorting data compression." |
| + LANGUAGES C) |
| + |
| +# See versioning rule: |
| +# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html |
| +# |
| +# KEEP THESE IN SYNC WITH meson.build OR STUFF WILL BREAK! |
| +set(LT_CURRENT 1) |
| +set(LT_REVISION 8) |
| +set(LT_AGE 0) |
| + |
| +set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH}) |
| + |
| +include_directories(${PROJECT_BINARY_DIR}) |
| + |
| +math(EXPR LT_SOVERSION "${LT_CURRENT} - ${LT_AGE}") |
| +set(LT_VERSION "${LT_SOVERSION}.${LT_AGE}.${LT_REVISION}") |
| +set(PACKAGE_VERSION ${PROJECT_VERSION}) |
| + |
| +set(ENABLE_APP_DEFAULT ON) |
| +set(ENABLE_EXAMPLES_DEFAULT OFF) |
| +set(ENABLE_DOCS_DEFAULT OFF) |
| +include(CMakeOptions.txt) |
| + |
| +if(ENABLE_LIB_ONLY AND (ENABLE_APP OR ENABLE_EXAMPLES)) |
| + # Remember when disabled options are disabled for later diagnostics. |
| + set(ENABLE_LIB_ONLY_DISABLED_OTHERS 1) |
| +else() |
| + set(ENABLE_LIB_ONLY_DISABLED_OTHERS 0) |
| +endif() |
| +if(ENABLE_LIB_ONLY) |
| + set(ENABLE_APP OFF) |
| + set(ENABLE_EXAMPLES OFF) |
| +endif() |
| + |
| +# Do not disable assertions based on CMAKE_BUILD_TYPE. |
| +foreach(_build_type Release MinSizeRel RelWithDebInfo) |
| + foreach(_lang C) |
| + string(TOUPPER CMAKE_${_lang}_FLAGS_${_build_type} _var) |
| + string(REGEX REPLACE "(^|)[/-]D *NDEBUG($|)" " " ${_var} "${${_var}}") |
| + endforeach() |
| +endforeach() |
| + |
| +# Support the latest c++ standard available. |
| +include(CheckCCompilerFlag) |
| +include(CheckCXXCompilerFlag) |
| + |
| +function(extract_valid_c_flags varname) |
| + set(valid_flags) |
| + foreach(flag IN LISTS ARGN) |
| + string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag}) |
| + set(flag_var "C_FLAG_${flag_var}") |
| + check_c_compiler_flag("${flag}" "${flag_var}") |
| + if(${flag_var}) |
| + set(valid_flags "${valid_flags} ${flag}") |
| + endif() |
| + endforeach() |
| + set(${varname} "${valid_flags}" PARENT_SCOPE) |
| +endfunction() |
| +if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) |
| + set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the build type" FORCE) |
| + |
| + # Include "None" as option to disable any additional (optimization) flags, |
| + # relying on just CMAKE_C_FLAGS and CMAKE_CXX_FLAGS (which are empty by |
| + # default). These strings are presented in cmake-gui. |
| + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS |
| + None Debug Release MinSizeRel RelWithDebInfo) |
| +endif() |
| + |
| +# Install a symlink of script to the "bin" directory. |
| +# Not intended for use on Windows. |
| +function(install_script_symlink original symlink) |
| + add_custom_command(OUTPUT ${symlink} |
| + COMMAND ${CMAKE_COMMAND} -E create_symlink ${original} ${symlink} |
| + DEPENDS ${original} |
| + COMMENT "Generating symbolic link ${symlink} of ${original}") |
| + add_custom_target(${symlink}_tgt ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${symlink}) |
| + install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${symlink} DESTINATION ${CMAKE_INSTALL_BINDIR}) |
| +endfunction() |
| + |
| +# Install a symlink of binary target to the "bin" directory. |
| +# On Windows, it will be a copy instead of a symlink. |
| +function(install_target_symlink original symlink) |
| + if(WIN32) |
| + set(op copy) |
| + set(symlink "${symlink}.exe") |
| + else() |
| + set(op create_symlink) |
| + endif() |
| + add_custom_command(TARGET ${original} POST_BUILD |
| + COMMAND ${CMAKE_COMMAND} -E ${op} $<TARGET_FILE_NAME:${original}> ${symlink} |
| + WORKING_DIRECTORY $<TARGET_FILE_DIR:${original}> |
| + COMMENT "Generating symbolic link (or copy) ${symlink} of ${original}") |
| + install(PROGRAMS $<TARGET_FILE_DIR:${original}>/${symlink} DESTINATION ${CMAKE_INSTALL_BINDIR}) |
| +endfunction() |
| + |
| +include(GNUInstallDirs) |
| + |
| +# Checks for header files. |
| +include(CheckIncludeFile) |
| +check_include_file(arpa/inet.h HAVE_ARPA_INET_H) |
| +check_include_file(fcntl.h HAVE_FCNTL_H) |
| +check_include_file(inttypes.h HAVE_INTTYPES_H) |
| +check_include_file(limits.h HAVE_LIMITS_H) |
| +check_include_file(netdb.h HAVE_NETDB_H) |
| +check_include_file(netinet/in.h HAVE_NETINET_IN_H) |
| +check_include_file(pwd.h HAVE_PWD_H) |
| +check_include_file(sys/socket.h HAVE_SYS_SOCKET_H) |
| +check_include_file(sys/time.h HAVE_SYS_TIME_H) |
| +check_include_file(syslog.h HAVE_SYSLOG_H) |
| +check_include_file(time.h HAVE_TIME_H) |
| +check_include_file(unistd.h HAVE_UNISTD_H) |
| + |
| +include(CheckTypeSize) |
| +# Checks for typedefs, structures, and compiler characteristics. |
| +# AC_TYPE_SIZE_T |
| +check_type_size("ssize_t" SIZEOF_SSIZE_T) |
| +if(NOT SIZEOF_SSIZE_T) |
| + # ssize_t is a signed type in POSIX storing at least -1. |
| + # Set it to "int" to match the behavior of AC_TYPE_SSIZE_T (autotools). |
| + set(ssize_t int) |
| +endif() |
| + |
| +include(CheckStructHasMember) |
| +check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_STRUCT_TM_TM_GMTOFF) |
| + |
| +include(CheckSymbolExists) |
| +# XXX does this correctly detect initgroups (un)availability on cygwin? |
| +check_symbol_exists(initgroups grp.h HAVE_DECL_INITGROUPS) |
| +if(NOT HAVE_DECL_INITGROUPS AND HAVE_UNISTD_H) |
| + # FreeBSD declares initgroups() in unistd.h |
| + check_symbol_exists(initgroups unistd.h HAVE_DECL_INITGROUPS2) |
| + if(HAVE_DECL_INITGROUPS2) |
| + set(HAVE_DECL_INITGROUPS 1) |
| + endif() |
| +endif() |
| + |
| +set(WARNCFLAGS) |
| +if(CMAKE_C_COMPILER_ID MATCHES "MSVC") |
| + if(ENABLE_WERROR) |
| + set(WARNCFLAGS /WX) |
| + endif() |
| +else() |
| + if(ENABLE_WERROR) |
| + extract_valid_c_flags(WARNCFLAGS -Werror) |
| + endif() |
| + |
| + # For C compiler |
| + # Please keep this list in sync with meson.build |
| + extract_valid_c_flags(WARNCFLAGS |
| + -Wall |
| + -Wextra |
| + -Wmissing-prototypes |
| + -Wstrict-prototypes |
| + -Wmissing-declarations |
| + -Wpointer-arith |
| + -Wdeclaration-after-statement |
| + -Wformat-security |
| + -Wwrite-strings |
| + -Wshadow |
| + -Winline |
| + -Wnested-externs |
| + -Wfloat-equal |
| + -Wundef |
| + -Wendif-labels |
| + -Wempty-body |
| + -Wcast-align |
| + -Wclobbered |
| + -Wvla |
| + -Wpragmas |
| + -Wunreachable-code |
| + -Waddress |
| + -Wattributes |
| + -Wdiv-by-zero |
| + -Wshorten-64-to-32 |
| + -Wconversion |
| + -Wextended-offsetof |
| + -Wformat-nonliteral |
| + -Wlanguage-extension-token |
| + -Wmissing-field-initializers |
| + -Wmissing-noreturn |
| + -Wmissing-variable-declarations |
| + # -Wpadded # Not used because we cannot change public structs |
| + -Wsign-conversion |
| + # -Wswitch-enum # Not used because this basically disallows default case |
| + -Wunreachable-code-break |
| + -Wunused-macros |
| + -Wunused-parameter |
| + -Wredundant-decls |
| + -Wheader-guard |
| + -Wno-format-nonliteral # This is required because we pass format string as "const char*. |
| + ) |
| +endif() |
| + |
| +if(ENABLE_DEBUG) |
| + set(DEBUGBUILD 1) |
| +endif() |
| + |
| +#add_definitions(-DHAVE_CONFIG_H) |
| +#configure_file(cmakeconfig.h.in config.h) |
| + |
| +# autotools-compatible names |
| +# Sphinx expects relative paths in the .rst files. Use the fact that the files |
| +# below are all one directory level deep. |
| +file(RELATIVE_PATH top_srcdir ${CMAKE_CURRENT_BINARY_DIR}/dir ${CMAKE_CURRENT_SOURCE_DIR}) |
| +file(RELATIVE_PATH top_builddir ${CMAKE_CURRENT_BINARY_DIR}/dir ${CMAKE_CURRENT_BINARY_DIR}) |
| +set(abs_top_srcdir ${CMAKE_CURRENT_SOURCE_DIR}) |
| +set(abs_top_builddir ${CMAKE_CURRENT_BINARY_DIR}) |
| +# bzip2.pc (pkg-config file) |
| +set(prefix ${CMAKE_INSTALL_PREFIX}) |
| +set(exec_prefix ${CMAKE_INSTALL_PREFIX}) |
| +set(bindir ${CMAKE_INSTALL_FULL_BINDIR}) |
| +set(sbindir ${CMAKE_INSTALL_FULL_SBINDIR}) |
| +set(libdir ${CMAKE_INSTALL_FULL_LIBDIR}) |
| +set(includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR}) |
| +set(VERSION ${PACKAGE_VERSION}) |
| + |
| +# |
| +# The build targets. |
| +# In a larger project, the following would be in subdirectories and |
| +# These targets would be included with `add_subdirectory()` |
| +# |
| +set(BZ2_SOURCES |
| + blocksort.c |
| + huffman.c |
| + crctable.c |
| + randtable.c |
| + compress.c |
| + decompress.c |
| + bzlib.c) |
| + |
| +# The bz2 OBJECT-library, required for bzip2, bzip2recover. |
| +add_library(bz2_ObjLib OBJECT) |
| +target_sources(bz2_ObjLib |
| + PRIVATE ${BZ2_SOURCES} |
| + PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bzlib_private.h |
| + INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/bzlib.h) |
| + |
| +if(ENABLE_SHARED_LIB) |
| + # The libbz2 shared library. |
| + add_library(bz2 SHARED ${BZ2_RES}) |
| + target_sources(bz2 |
| + PRIVATE ${BZ2_SOURCES} |
| + ${CMAKE_CURRENT_SOURCE_DIR}/libbz2.def |
| + PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bzlib_private.h |
| + INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/bzlib.h) |
| + # Always use '-fPIC'/'-fPIE' option for shared libraries. |
| + set_property(TARGET bz2 PROPERTY POSITION_INDEPENDENT_CODE ON) |
| + set_target_properties(bz2 PROPERTIES |
| + COMPILE_FLAGS "${WARNCFLAGS}" |
| + VERSION ${LT_VERSION} SOVERSION ${LT_SOVERSION}) |
| + install(TARGETS bz2 DESTINATION ${CMAKE_INSTALL_LIBDIR}) |
| + install(FILES bzlib.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) |
| + |
| + if(USE_OLD_SONAME) |
| + # Hack to support the old libbz2.so.1.0 version by including an extra copy. |
| + # Technically the old SONAME is not libtool compatible. |
| + # This hack is to support binary compatibility with libbz2 in some distro packages. |
| + if(UNIX AND NOT APPLE) |
| + add_library(bz2_old_soname SHARED ${BZ2_RES}) |
| + target_sources(bz2_old_soname |
| + PRIVATE ${BZ2_SOURCES} |
| + ${CMAKE_CURRENT_SOURCE_DIR}/libbz2.def |
| + PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bzlib_private.h |
| + INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/bzlib.h |
| + ) |
| + set_target_properties(bz2_old_soname PROPERTIES |
| + COMPILE_FLAGS "${WARNCFLAGS}" |
| + VERSION ${LT_SOVERSION}.${LT_AGE} SOVERSION ${LT_SOVERSION}.${LT_AGE} |
| + OUTPUT_NAME bz2 |
| + ) |
| + install(TARGETS bz2_old_soname DESTINATION ${CMAKE_INSTALL_LIBDIR}) |
| + endif() |
| + endif() |
| +endif() |
| + |
| +if(ENABLE_STATIC_LIB) |
| + # The libbz2 static library. |
| + add_library(bz2_static STATIC) |
| + target_sources(bz2_static |
| + PRIVATE ${BZ2_SOURCES} |
| + PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bzlib_private.h |
| + INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/bzlib.h) |
| + set_target_properties(bz2_static PROPERTIES |
| + COMPILE_FLAGS "${WARNCFLAGS}" |
| + VERSION ${LT_VERSION} |
| + SOVERSION ${LT_SOVERSION} |
| + ARCHIVE_OUTPUT_NAME bz2_static) |
| + target_compile_definitions(bz2_static PUBLIC BZ2_STATICLIB) |
| + install(TARGETS bz2_static DESTINATION ${CMAKE_INSTALL_LIBDIR}) |
| + install(FILES bzlib.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) |
| +endif() |
| + |
| +if(ENABLE_APP) |
| + # The bzip2 executable. |
| + add_executable(bzip2) |
| + target_sources(bzip2 |
| + PRIVATE bzip2.c) |
| + target_link_libraries(bzip2 |
| + PRIVATE bz2_ObjLib) |
| + if(WIN32) |
| + target_compile_definitions(bzip2 PUBLIC BZ_LCCWIN32 BZ_UNIX=0) |
| + else() |
| + target_compile_definitions(bzip2 PUBLIC BZ_LCCWIN32=0 BZ_UNIX) |
| + endif() |
| + install(TARGETS bzip2 DESTINATION ${CMAKE_INSTALL_BINDIR}) |
| + |
| + # Create bzip2 copies bzcat and bunzip. |
| + # The default behavior is altered in bzip2.c code by checking the program name. |
| + install_target_symlink(bzip2 bzcat) |
| + install_target_symlink(bzip2 bunzip) |
| + |
| + # The bzip2recover executable. |
| + add_executable(bzip2recover) |
| + target_sources(bzip2recover |
| + PRIVATE bzip2recover.c) |
| + target_link_libraries(bzip2recover |
| + PRIVATE bz2_ObjLib) |
| + if(WIN32) |
| + target_compile_definitions(bzip2recover PUBLIC BZ_LCCWIN32 BZ_UNIX=0) |
| + else() |
| + target_compile_definitions(bzip2recover PUBLIC BZ_LCCWIN32=0 BZ_UNIX) |
| + endif() |
| + install(TARGETS bzip2recover DESTINATION ${CMAKE_INSTALL_BINDIR}) |
| + |
| + if(ENABLE_EXAMPLES) |
| + if(ENABLE_SHARED_LIB) |
| + # The dlltest executable. |
| + add_executable(dlltest) |
| + target_sources(dlltest |
| + PRIVATE dlltest.c) |
| + target_link_libraries(dlltest bz2) |
| + install(TARGETS dlltest DESTINATION ${CMAKE_INSTALL_BINDIR}) |
| + endif() |
| + endif() |
| + |
| + if(NOT WIN32) |
| + # Install shell scripts, and renamed copies. |
| + install(PROGRAMS bzdiff bzgrep bzmore |
| + DESTINATION ${CMAKE_INSTALL_BINDIR}) |
| + |
| + install_script_symlink(bzdiff bzcmp) |
| + |
| + install_script_symlink(bzgrep bzegrep) |
| + install_script_symlink(bzgrep bzfgrep) |
| + |
| + install_script_symlink(bzmore bzless) |
| + endif() |
| + |
| +endif() |
| --- /dev/null |
| +++ b/CMakeOptions.txt |
| @@ -0,0 +1,22 @@ |
| +# Features that can be enabled for cmake (see CMakeLists.txt) |
| + |
| +option(ENABLE_WERROR "Turn on compile time warnings") |
| + |
| +option(ENABLE_DEBUG "Turn on debug output") |
| + |
| +option(ENABLE_APP "Build applications (bzip2, and bzip2recover)" |
| + ${ENABLE_APP_DEFAULT}) |
| + |
| +option(ENABLE_DOCS "Generate documentation" |
| + ${ENABLE_DOCS_DEFAULT}) |
| + |
| +option(ENABLE_EXAMPLES "Build examples" |
| + ${ENABLE_EXAMPLES_DEFAULT}) |
| + |
| +option(ENABLE_LIB_ONLY "Build libbz2 only. This is a short hand for -DENABLE_APP=0 -DENABLE_EXAMPLES=0") |
| + |
| +option(ENABLE_STATIC_LIB "Build libbz2 in static mode also") |
| + |
| +option(ENABLE_SHARED_LIB "Build libbz2 as a shared library" ON) |
| + |
| +option(USE_OLD_SONAME "Use libbz2.so.1.0 for compatibility with old Makefiles" OFF) |