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5ca28f79 L |
1 | cmake_minimum_required(VERSION 2.4.4) |
2 | set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) | |
3 | ||
4 | project(zlib C) | |
5 | ||
6 | set(VERSION "1.2.7") | |
7 | ||
8 | set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") | |
9 | set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") | |
10 | set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") | |
11 | set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") | |
12 | set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") | |
13 | ||
14 | include(CheckTypeSize) | |
15 | include(CheckFunctionExists) | |
16 | include(CheckIncludeFile) | |
17 | include(CheckCSourceCompiles) | |
18 | enable_testing() | |
19 | ||
20 | check_include_file(sys/types.h HAVE_SYS_TYPES_H) | |
21 | check_include_file(stdint.h HAVE_STDINT_H) | |
22 | check_include_file(stddef.h HAVE_STDDEF_H) | |
23 | ||
24 | # | |
25 | # Check to see if we have large file support | |
26 | # | |
27 | set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) | |
28 | # We add these other definitions here because CheckTypeSize.cmake | |
29 | # in CMake 2.4.x does not automatically do so and we want | |
30 | # compatibility with CMake 2.4.x. | |
31 | if(HAVE_SYS_TYPES_H) | |
32 | list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) | |
33 | endif() | |
34 | if(HAVE_STDINT_H) | |
35 | list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) | |
36 | endif() | |
37 | if(HAVE_STDDEF_H) | |
38 | list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) | |
39 | endif() | |
40 | check_type_size(off64_t OFF64_T) | |
41 | if(HAVE_OFF64_T) | |
42 | add_definitions(-D_LARGEFILE64_SOURCE=1) | |
43 | endif() | |
44 | set(CMAKE_REQUIRED_DEFINITIONS) # clear variable | |
45 | ||
46 | # | |
47 | # Check for fseeko | |
48 | # | |
49 | check_function_exists(fseeko HAVE_FSEEKO) | |
50 | if(NOT HAVE_FSEEKO) | |
51 | add_definitions(-DNO_FSEEKO) | |
52 | endif() | |
53 | ||
54 | # | |
55 | # Check for unistd.h | |
56 | # | |
57 | check_include_file(unistd.h Z_HAVE_UNISTD_H) | |
58 | ||
59 | if(MSVC) | |
60 | set(CMAKE_DEBUG_POSTFIX "d") | |
61 | add_definitions(-D_CRT_SECURE_NO_DEPRECATE) | |
62 | add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) | |
63 | include_directories(${CMAKE_CURRENT_SOURCE_DIR}) | |
64 | endif() | |
65 | ||
66 | if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) | |
67 | # If we're doing an out of source build and the user has a zconf.h | |
68 | # in their source tree... | |
69 | if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) | |
70 | message(STATUS "Renaming") | |
71 | message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h") | |
72 | message(STATUS "to 'zconf.h.included' because this file is included with zlib") | |
73 | message(STATUS "but CMake generates it automatically in the build directory.") | |
74 | file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included) | |
75 | endif() | |
76 | endif() | |
77 | ||
78 | set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc) | |
79 | configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein | |
80 | ${ZLIB_PC} @ONLY) | |
81 | configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein | |
82 | ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) | |
83 | include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}) | |
84 | ||
85 | ||
86 | #============================================================================ | |
87 | # zlib | |
88 | #============================================================================ | |
89 | ||
90 | set(ZLIB_PUBLIC_HDRS | |
91 | ${CMAKE_CURRENT_BINARY_DIR}/zconf.h | |
92 | zlib.h | |
93 | ) | |
94 | set(ZLIB_PRIVATE_HDRS | |
95 | crc32.h | |
96 | deflate.h | |
97 | gzguts.h | |
98 | inffast.h | |
99 | inffixed.h | |
100 | inflate.h | |
101 | inftrees.h | |
102 | trees.h | |
103 | zutil.h | |
104 | ) | |
105 | set(ZLIB_SRCS | |
106 | adler32.c | |
107 | compress.c | |
108 | crc32.c | |
109 | deflate.c | |
110 | gzclose.c | |
111 | gzlib.c | |
112 | gzread.c | |
113 | gzwrite.c | |
114 | inflate.c | |
115 | infback.c | |
116 | inftrees.c | |
117 | inffast.c | |
118 | trees.c | |
119 | uncompr.c | |
120 | zutil.c | |
121 | ) | |
122 | ||
123 | if(NOT MINGW) | |
124 | set(ZLIB_SRCS ${ZLIB_SRCS} | |
125 | win32/zlib1.rc # If present will override custom build rule below. | |
126 | ) | |
127 | endif() | |
128 | ||
129 | # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION | |
130 | file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents) | |
131 | string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" | |
132 | "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents}) | |
133 | ||
134 | if(MINGW) | |
135 | # This gets us DLL resource information when compiling on MinGW. | |
136 | if(NOT CMAKE_RC_COMPILER) | |
137 | SET(CMAKE_RC_COMPILER windres.exe) | |
138 | endif() | |
139 | ||
140 | add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj | |
141 | COMMAND ${CMAKE_RC_COMPILER} | |
142 | -D GCC_WINDRES | |
143 | -I ${CMAKE_CURRENT_SOURCE_DIR} | |
144 | -I ${CMAKE_CURRENT_BINARY_DIR} | |
145 | -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj | |
146 | -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) | |
147 | set(ZLIB_SRCS ${ZLIB_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) | |
148 | endif(MINGW) | |
149 | ||
150 | add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) | |
151 | add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) | |
152 | set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) | |
153 | set_target_properties(zlib PROPERTIES SOVERSION 1) | |
154 | ||
155 | if(NOT CYGWIN) | |
156 | # This property causes shared libraries on Linux to have the full version | |
157 | # encoded into their final filename. We disable this on Cygwin because | |
158 | # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll | |
159 | # seems to be the default. | |
160 | # | |
161 | # This has no effect with MSVC, on that platform the version info for | |
162 | # the DLL comes from the resource file win32/zlib1.rc | |
163 | set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) | |
164 | endif() | |
165 | ||
166 | if(UNIX) | |
167 | # On unix-like platforms the library is almost always called libz | |
168 | set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z) | |
169 | set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,${CMAKE_CURRENT_SOURCE_DIR}/zlib.map") | |
170 | elseif(BUILD_SHARED_LIBS AND WIN32) | |
171 | # Creates zlib1.dll when building shared library version | |
172 | set_target_properties(zlib PROPERTIES SUFFIX "1.dll") | |
173 | endif() | |
174 | ||
175 | if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) | |
176 | install(TARGETS zlib zlibstatic | |
177 | RUNTIME DESTINATION "${INSTALL_BIN_DIR}" | |
178 | ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" | |
179 | LIBRARY DESTINATION "${INSTALL_LIB_DIR}" ) | |
180 | endif() | |
181 | if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) | |
182 | install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}") | |
183 | endif() | |
184 | if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) | |
185 | install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3") | |
186 | endif() | |
187 | if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) | |
188 | install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") | |
189 | endif() | |
190 | ||
191 | #============================================================================ | |
192 | # Example binaries | |
193 | #============================================================================ | |
194 | ||
195 | add_executable(example test/example.c) | |
196 | target_link_libraries(example zlib) | |
197 | add_test(example example) | |
198 | ||
199 | add_executable(minigzip test/minigzip.c) | |
200 | target_link_libraries(minigzip zlib) | |
201 | ||
202 | if(HAVE_OFF64_T) | |
203 | add_executable(example64 test/example.c) | |
204 | target_link_libraries(example64 zlib) | |
205 | set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") | |
206 | add_test(example64 example64) | |
207 | ||
208 | add_executable(minigzip64 test/minigzip.c) | |
209 | target_link_libraries(minigzip64 zlib) | |
210 | set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") | |
211 | endif() |