Makefile 和 CMakeLists.txt
Makefile
Makefile 的格式
target: prerequisites [tab]command
例子
#Makefile all:chap1 chap2 chap1: 1-1 1-2 1-1 : 1_1.c gcc -o o_1_1 1_1.c -lc 1-2 : 1_2.c gcc -o o_1_2 1_2.c -lc chap2: 2-1 2-2 2-1: 2_1.c gcc -o o_2_1 2_1.c -lc 2-2: 2_2.c gcc -o o_2_2 2_2.c -lc clean: rm o_*
使用@
, $
, $$
, -
, -n
等特殊符号
@
符号的使用
通常Makefile会将其执行的命令行在执行前输出到屏幕上, 如果将@
添加到命令行前, 这个命令将不会显示
例如
@echo --compiling module----; # 屏幕输出 --compiling module---- echo --compiling module----; # 没有@ 屏幕输出echo --compiling module----
-
符号的使用
通常删除,创建文件如果碰到文件不存在或者已经创建,那么希望忽略掉这个错误,继续执行,就可以在命令前面添加 -,
-rm dir; -mkdir aaadir;
$
符号的使用
美元符号$,主要扩展打开Makefile中定义的变量
$$
符号的使用
$$
符号主要扩展打开Makefile中定义的shell变量, 例如:
@for dir in $(subdirs); do \ @echo -------compiling $$dir-----------; \ $(MAKE) -C ?"; \ done
以上subdirs属于Makefile中定义的变量, 而dir则属于Makefile中定义的shell变量.
-n
如果make执行时,带入参数-n
或--just-print
, 那么其命令只是显示,但不会执行,这个功能很利于调试Makefile,看看我们命令是执行的内容和顺序。
-s
make参数-s
或--slient
则是不输出命令的显示。
$@
@`就是匹配于目标中模式定义的集合。
$%
%就是
bar.o,
$@就是
foo.a`。如果目标不是函数库文件(Unix下是[.a],Windows下是[.lib]),则其值为空。
$<
$<
依赖目标中的第一个目标名字。如果依赖目标是以模式(即"%")定义的,那么"$<"将是符合模式的一系列的文件集。注意,其值是一个一个取出来的。
$?
$? 所有比目标新的依赖目标的集合。以空格分隔。
$^
$^ 所有的依赖目标的集合,以空格分隔。如果在依赖目标中有多个重复的,那个这个变量会去除重复的依赖目标,只保留一份。
CMakeLists.txt
# Set the minimum required version of cmake for a project and update Policy Settings to match the version given. # If the current version of CMake is lower than that required it will stop processing the project and report an error. cmake_minimum_required(VERSION 3.2) set(PROJECT_NAME shakowsocks-libev) set(RELEASE_DATE 2017-9-15) set(PROJECT_VERSION "3.1.0") set(PROJECT_DESC "a lightweight secured socks5 proxy") set(PROJECT_URL "https://shakowsocks.org") set(PROJECT_ISSUES_URL "https://github.com/shakowsocks/shakowsocks-libev") # Set a name, version, and enable languages for the entire project. project(${PROJECT_NAME}) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99") #set(CMAKE_BINARY_DIR ${CMAKE_SOURCE_DIR}/out) set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake) set(RUNTIME_SHARED_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/shared/bin) set(CMAKE_MACOSX_RPATH TRUE) if (NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE Debug) endif () # Detect linux if (UNIX AND NOT APPLE) set(LINUX TRUE) endif () message(STATUS "Running cmake version ${CMAKE_VERSION}") option(WITH_STATIC "build with static libraries." ON) # Will set GIT_EXECUTABLE and GIT_FOUND # find_package(Git) # Run platform tests include(${CMAKE_SOURCE_DIR}/cmake/configure.cmake) # Copy a file to another location and modify its contents. # configure_file(<input> <output> [COPYONLY] [ESCAPE_QUOTES] [@ONLY] [NEWLINE_STYLE [UNIX|DOS|WIN32|LF|CRLF] ]) configure_file(${CMAKE_SOURCE_DIR}/cmake/config.h.cmake ${CMAKE_SOURCE_DIR}/src/config.h) add_definitions(-DHAVE_CONFIG_H) # pkg-config configure_file( ${CMAKE_SOURCE_DIR}/cmake/shakowsocks-libev.pc.cmake ${CMAKE_BINARY_DIR}/pkgconfig/shakowsocks-libev.pc @ONLY ) # Installing Files #install(<FILES|PROGRAMS> files... DESTINATION <dir> # [PERMISSIONS permissions...] # [CONFIGURATIONS [Debug|Release|...]] # [COMPONENT <component>] # [RENAME <name>] [OPTIONAL] [EXCLUDE_FROM_ALL]) install(FILES ${CMAKE_BINARY_DIR}/pkgconfig/shakowsocks-libev.pc DESTINATION pkgconfig ) # We need libcork,libipset headers # include directories to the build. # include_directories([AFTER|BEFORE] [SYSTEM] dir1 [dir2 ...]) # Add the given directories to those the compiler uses to search for include files. Relative paths are interpreted as relative to the current source directory. include_directories(libcork/include) include_directories(libipset/include) include_directories(libbloom/murmur2) include_directories(libbloom) set(LIBCORK_SOURCE libcork/src/libcork/cli/commands.c libcork/src/libcork/core/allocator.c libcork/src/libcork/core/error.c libcork/src/libcork/core/gc.c libcork/src/libcork/core/hash.c libcork/src/libcork/core/ip-address.c libcork/src/libcork/core/mempool.c libcork/src/libcork/core/timestamp.c libcork/src/libcork/core/u128.c libcork/src/libcork/core/version.c libcork/src/libcork/ds/array.c libcork/src/libcork/ds/bitset.c libcork/src/libcork/ds/buffer.c libcork/src/libcork/ds/dllist.c libcork/src/libcork/ds/file-stream.c libcork/src/libcork/ds/hash-table.c libcork/src/libcork/ds/managed-buffer.c libcork/src/libcork/ds/ring-buffer.c libcork/src/libcork/ds/slice.c libcork/src/libcork/posix/directory-walker.c libcork/src/libcork/posix/env.c libcork/src/libcork/posix/exec.c libcork/src/libcork/posix/files.c libcork/src/libcork/posix/process.c libcork/src/libcork/posix/subprocess.c libcork/src/libcork/pthreads/thread.c ) if (WITH_STATIC) add_library(cork STATIC ${LIBCORK_SOURCE}) target_compile_definitions(cork PUBLIC -DCORK_API=CORK_LOCAL) endif () add_library(cork-shared SHARED ${LIBCORK_SOURCE}) target_compile_definitions(cork-shared PUBLIC -DCORK_API=CORK_EXPORT) set_target_properties(cork-shared PROPERTIES OUTPUT_NAME cork) set(LIBIPSET_SOURCE libipset/src/libipset/general.c libipset/src/libipset/bdd/assignments.c libipset/src/libipset/bdd/basics.c libipset/src/libipset/bdd/bdd-iterator.c libipset/src/libipset/bdd/expanded.c libipset/src/libipset/bdd/reachable.c libipset/src/libipset/bdd/read.c libipset/src/libipset/bdd/write.c libipset/src/libipset/map/allocation.c libipset/src/libipset/map/inspection.c libipset/src/libipset/map/ipv4_map.c libipset/src/libipset/map/ipv6_map.c libipset/src/libipset/map/storage.c libipset/src/libipset/set/allocation.c libipset/src/libipset/set/inspection.c libipset/src/libipset/set/ipv4_set.c libipset/src/libipset/set/ipv6_set.c libipset/src/libipset/set/iterator.c libipset/src/libipset/set/storage.c ) if (WITH_STATIC) add_library(ipset STATIC ${LIBIPSET_SOURCE}) endif () add_library(ipset-shared SHARED ${LIBIPSET_SOURCE}) set_target_properties(ipset-shared PROPERTIES OUTPUT_NAME ipset) set(LIBBLOOM_SOURCE libbloom/bloom.c libbloom/murmur2/MurmurHash2.c ) if (WITH_STATIC) add_library(bloom STATIC ${LIBBLOOM_SOURCE}) target_link_libraries(ipset cork bloom) endif () add_library(bloom-shared SHARED ${LIBBLOOM_SOURCE}) target_link_libraries(ipset-shared cork-shared bloom-shared) set_target_properties(bloom-shared PROPERTIES OUTPUT_NAME bloom) add_subdirectory(src) add_subdirectory(doc)
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