mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-26 00:41:17 +00:00
1f3e0177d9
Fixes portability issues on macOS. CMakeLists.txt is a stripped-down backport from bzip2 upstream Signed-off-by: Felix Fietkau <nbd@nbd.name>
383 lines
13 KiB
Diff
383 lines
13 KiB
Diff
--- /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)
|