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 "1.2.8")
7
8 option(ASM686 "Enable building i686 assembly implementation")
9 option(AMD64 "Enable building amd64 assembly implementation")
10
11 set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables")
12 set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
13 set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
14 set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
15 set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
16
17 include(CheckTypeSize)
18 include(CheckFunctionExists)
19 include(CheckIncludeFile)
20 include(CheckCSourceCompiles)
21 enable_testing()
22
23 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
24 check_include_file(stdint.h HAVE_STDINT_H)
25 check_include_file(stddef.h HAVE_STDDEF_H)
26
27 #
28 # Check to see if we have large file support
29 #
30 set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
31 # We add these other definitions here because CheckTypeSize.cmake
32 # in CMake 2.4.x does not automatically do so and we want
33 # compatibility with CMake 2.4.x.
34 if(HAVE_SYS_TYPES_H)
35 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
36 endif()
37 if(HAVE_STDINT_H)
38 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
39 endif()
40 if(HAVE_STDDEF_H)
41 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
42 endif()
43 check_type_size(off64_t OFF64_T)
44 if(HAVE_OFF64_T)
45 add_definitions(-D_LARGEFILE64_SOURCE=1)
46 endif()
47 set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
48
49 #
50 # Check for fseeko
51 #
52 check_function_exists(fseeko HAVE_FSEEKO)
53 if(NOT HAVE_FSEEKO)
54 add_definitions(-DNO_FSEEKO)
55 endif()
56
57 #
58 # Check for unistd.h
59 #
60 check_include_file(unistd.h Z_HAVE_UNISTD_H)
61
62 if(MSVC)
63 set(CMAKE_DEBUG_POSTFIX "d")
64 add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
65 add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
66 include_directories(${CMAKE_CURRENT_SOURCE_DIR})
67 endif()
68
69 if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
70 # If we're doing an out of source build and the user has a zconf.h
71 # in their source tree...
72 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
73 message(STATUS "Renaming")
74 message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
75 message(STATUS "to 'zconf.h.included' because this file is included with zlib")
76 message(STATUS "but CMake generates it automatically in the build directory.")
77 file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
78 endif()
79 endif()
80
81 set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
82 configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
83 ${ZLIB_PC} @ONLY)
84 configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
85 ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
86 include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
87
88
89 #============================================================================
90 # zlib
91 #============================================================================
92
93 set(ZLIB_PUBLIC_HDRS
94 ${CMAKE_CURRENT_BINARY_DIR}/zconf.h
95 zlib.h
96 )
97 set(ZLIB_PRIVATE_HDRS
98 crc32.h
99 deflate.h
100 gzguts.h
101 inffast.h
102 inffixed.h
103 inflate.h
104 inftrees.h
105 trees.h
106 zutil.h
107 )
108 set(ZLIB_SRCS
109 adler32.c
110 compress.c
111 crc32.c
112 deflate.c
113 gzclose.c
114 gzlib.c
115 gzread.c
116 gzwrite.c
117 inflate.c
118 infback.c
119 inftrees.c
120 inffast.c
121 trees.c
122 uncompr.c
123 zutil.c
124 )
125
126 if(NOT MINGW)
127 set(ZLIB_DLL_SRCS
128 win32/zlib1.rc # If present will override custom build rule below.
129 )
130 endif()
131
132 if(CMAKE_COMPILER_IS_GNUCC)
133 if(ASM686)
134 set(ZLIB_ASMS contrib/asm686/match.S)
135 elseif (AMD64)
136 set(ZLIB_ASMS contrib/amd64/amd64-match.S)
137 endif ()
138
139 if(ZLIB_ASMS)
140 add_definitions(-DASMV)
141 set_source_files_properties(${ZLIB_ASMS} PROPERTIES LANGUAGE C COMPILE_FLAGS -DNO_UNDERLINE)
142 endif()
143 endif()
144
145 if(MSVC)
146 if(ASM686)
147 ENABLE_LANGUAGE(ASM_MASM)
148 set(ZLIB_ASMS
149 contrib/masmx86/inffas32.asm
150 contrib/masmx86/match686.asm
151 )
152 elseif (AMD64)
153 ENABLE_LANGUAGE(ASM_MASM)
154 set(ZLIB_ASMS
155 contrib/masmx64/gvmat64.asm
156 contrib/masmx64/inffasx64.asm
157 )
158 endif()
159
160 if(ZLIB_ASMS)
161 add_definitions(-DASMV -DASMINF)
162 endif()
163 endif()
164
165 # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION
166 file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents)
167 string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*"
168 "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents})
169
170 if(MINGW)
171 # This gets us DLL resource information when compiling on MinGW.
172 if(NOT CMAKE_RC_COMPILER)
173 set(CMAKE_RC_COMPILER windres.exe)
174 endif()
175
176 add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
177 COMMAND ${CMAKE_RC_COMPILER}
178 -D GCC_WINDRES
179 -I ${CMAKE_CURRENT_SOURCE_DIR}
180 -I ${CMAKE_CURRENT_BINARY_DIR}
181 -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
182 -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc)
183 set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
184 endif(MINGW)
185
186 add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
187 add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
188 set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
189 set_target_properties(zlib PROPERTIES SOVERSION 1)
190
191 if(NOT CYGWIN)
192 # This property causes shared libraries on Linux to have the full version
193 # encoded into their final filename. We disable this on Cygwin because
194 # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll
195 # seems to be the default.
196 #
197 # This has no effect with MSVC, on that platform the version info for
198 # the DLL comes from the resource file win32/zlib1.rc
199 set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION})
200 endif()
201
202 if(UNIX)
203 # On unix-like platforms the library is almost always called libz
204 set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
205 if(NOT APPLE)
206 set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"")
207 endif()
208 elseif(BUILD_SHARED_LIBS AND WIN32)
209 # Creates zlib1.dll when building shared library version
210 set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
211 endif()
212
213 if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
214 install(TARGETS zlib zlibstatic
215 RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
216 ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
217 LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
218 endif()
219 if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
220 install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")
221 endif()
222 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
223 install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3")
224 endif()
225 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
226 install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}")
227 endif()
228
229 #============================================================================
230 # Example binaries
231 #============================================================================
232
233 add_executable(example test/example.c)
234 target_link_libraries(example zlib)
235 add_test(example example)
236
237 add_executable(minigzip test/minigzip.c)
238 target_link_libraries(minigzip zlib)
239
240 if(HAVE_OFF64_T)
241 add_executable(example64 test/example.c)
242 target_link_libraries(example64 zlib)
243 set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
244 add_test(example64 example64)
245
246 add_executable(minigzip64 test/minigzip.c)
247 target_link_libraries(minigzip64 zlib)
248 set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
249 endif()