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583cf169 1# CMake build script for the libgit2 project
73c46d53 2#
bfe0658e 3# Building (out of source build):
73c46d53 4# > mkdir build && cd build
bfe0658e
PD
5# > cmake .. [-DSETTINGS=VALUE]
6# > cmake --build .
932d1baf 7#
73c46d53
PD
8# Testing:
9# > ctest -V
10#
11# Install:
bfe0658e 12# > cmake --build . --target install
73c46d53 13
583cf169
PD
14PROJECT(libgit2 C)
15CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
16
96fab093 17FILE(STRINGS "include/git2/version.h" GIT2_HEADER REGEX "^#define LIBGIT2_VERSION \"[^\"]*\"$")
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18
19STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"([0-9]+).*$" "\\1" LIBGIT2_VERSION_MAJOR "${GIT2_HEADER}")
20STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"[0-9]+\\.([0-9]+).*$" "\\1" LIBGIT2_VERSION_MINOR "${GIT2_HEADER}")
21STRING(REGEX REPLACE "^.*LIBGIT2_VERSION \"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" LIBGIT2_VERSION_REV "${GIT2_HEADER}")
22SET(LIBGIT2_VERSION_STRING "${LIBGIT2_VERSION_MAJOR}.${LIBGIT2_VERSION_MINOR}.${LIBGIT2_VERSION_REV}")
23
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24IF (AMIGA)
25 # Default AmigaOS to use the PowerPC SHA1
26 SET(SHA1_TYPE "ppc")
27ENDIF()
c3f7a938 28
7cbdaf7f 29# Find required dependencies
b8a8191f 30INCLUDE_DIRECTORIES(src include deps/http-parser)
20e83aa4 31
3ce22c74
CMN
32IF (WIN32 AND NOT MINGW)
33 ADD_DEFINITIONS(-DGIT_WINHTTP)
34ELSE ()
35 FIND_PACKAGE(OpenSSL)
36 FILE(GLOB SRC_HTTP deps/http-parser/*.c)
37ENDIF()
20e83aa4 38
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39# Specify sha1 implementation
40IF (SHA1_TYPE STREQUAL "ppc")
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41 ADD_DEFINITIONS(-DPPC_SHA1)
42 FILE(GLOB SRC_SHA1 src/ppc/*.c src/ppc/*.S)
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CMN
43ELSEIF (OPENSSL_FOUND) # libcrypto's implementation is faster than ours
44 ADD_DEFINITIONS(-DOPENSSL_SHA)
c3f7a938 45ELSE ()
7205a4d9 46 FILE(GLOB SRC_SHA1 src/sha1/*.c)
c3f7a938
CY
47ENDIF()
48
1f4f4d17
TH
49IF (NOT WIN32)
50 FIND_PACKAGE(ZLIB)
96ef3d84 51 IF (CMAKE_SYSTEM_NAME STREQUAL "AmigaOS")
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52 INCLUDE_DIRECTORIES(deps/regex)
53 SET(SRC_REGEX deps/regex/regex.c)
54 ENDIF()
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CMN
55ELSE()
56 # Windows doesn't understand POSIX regex on its own
57 INCLUDE_DIRECTORIES(deps/regex)
58 SET(SRC_REGEX deps/regex/regex.c)
1f4f4d17 59ENDIF()
f443a879 60
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TH
61IF (ZLIB_FOUND)
62 INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
63 LINK_LIBRARIES(${ZLIB_LIBRARIES})
64ELSE (ZLIB_FOUND)
65 INCLUDE_DIRECTORIES(deps/zlib)
66 ADD_DEFINITIONS(-DNO_VIZ -DSTDC -DNO_GZIP)
67 FILE(GLOB SRC_ZLIB deps/zlib/*.c)
c9f79972 68ENDIF()
f443a879 69
5b8bb8e7 70# Installation paths
9795a40f 71SET(BIN_INSTALL_DIR bin CACHE PATH "Where to install binaries to.")
b3237ac3 72SET(LIB_INSTALL_DIR lib CACHE PATH "Where to install libraries to.")
9795a40f 73SET(INCLUDE_INSTALL_DIR include CACHE PATH "Where to install headers to.")
5b8bb8e7
PD
74
75# Build options
abd6d52c 76OPTION (BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON)
70236bab 77OPTION (THREADSAFE "Build libgit2 as threadsafe" OFF)
abd6d52c 78OPTION (BUILD_CLAR "Build Tests using the Clar suite" ON)
62986ff6 79OPTION (BUILD_EXAMPLES "Build library usage example apps" OFF)
e632f687 80OPTION (TAGS "Generate tags" OFF)
706a9974 81OPTION (PROFILE "Generate profiling information" OFF)
5b8bb8e7 82
502dd2da 83# Platform specific compilation flags
dcd62cb2 84IF (MSVC)
3ce22c74 85 # Default to stdcall, as that's what the CLR expects and how the Windows API is built
dcd62cb2 86 OPTION (STDCALL "Buildl libgit2 with the __stdcall convention" ON)
dcd62cb2 87
94155e2f
ET
88 STRING(REPLACE "/Zm1000" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
89
06c081e1 90 SET(CMAKE_C_FLAGS "/W4 /MP /nologo /Zi ${CMAKE_C_FLAGS}")
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91 IF (STDCALL)
92 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Gz")
93 ENDIF ()
9f75a9ce 94 SET(CMAKE_C_FLAGS_DEBUG "/Od /DEBUG /MTd /RTC1 /RTCs /RTCu")
90412507 95 SET(CMAKE_C_FLAGS_RELEASE "/MT /O2")
502dd2da 96 SET(WIN_RC "src/win32/git2.rc")
9f75a9ce
BS
97
98 # Precompiled headers
94155e2f 99
e233fa6f 100ELSE ()
54c56d3e 101 SET(CMAKE_C_FLAGS "-D_GNU_SOURCE -Wall -Wextra -Wno-missing-field-initializers -Wstrict-aliasing=2 -Wstrict-prototypes -Wmissing-prototypes ${CMAKE_C_FLAGS}")
2eb18449
SG
102 IF (MINGW) # MinGW always does PIC and complains if we tell it to
103 STRING(REGEX REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_C_FLAGS "${CMAKE_SHARED_LIBRARY_C_FLAGS}")
104 ELSE ()
105 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden -fPIC")
39cdf272 106 ENDIF ()
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RB
107 IF (APPLE) # Apple deprecated OpenSSL
108 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
109 ENDIF ()
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RB
110 IF (PROFILE)
111 SET(CMAKE_C_FLAGS "-pg ${CMAKE_C_FLAGS}")
112 SET(CMAKE_EXE_LINKER_FLAGS "-pg ${CMAKE_EXE_LINKER_FLAGS}")
113 ENDIF ()
90412507 114ENDIF()
5b8bb8e7 115
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PT
116IF( NOT CMAKE_CONFIGURATION_TYPES )
117 # Build Debug by default
118 IF (NOT CMAKE_BUILD_TYPE)
119 SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
120 ENDIF ()
121ELSE()
122 # Using a multi-configuration generator eg MSVC or Xcode
123 # that uses CMAKE_CONFIGURATION_TYPES and not CMAKE_BUILD_TYPE
124ENDIF()
583cf169 125
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126IF (OPENSSL_FOUND)
127 ADD_DEFINITIONS(-DGIT_SSL)
128 INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
129 SET(SSL_LIBRARIES ${OPENSSL_LIBRARIES})
41cbbea8 130ENDIF()
66024c7c 131
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132IF (THREADSAFE)
133 IF (NOT WIN32)
134 find_package(Threads REQUIRED)
135 ENDIF()
136
137 ADD_DEFINITIONS(-DGIT_THREADS)
138ENDIF()
139
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140ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64)
141
583cf169 142# Collect sourcefiles
71d33382 143FILE(GLOB SRC_H include/git2/*.h)
583cf169
PD
144
145# On Windows use specific platform sources
5b8bb8e7 146IF (WIN32 AND NOT CYGWIN)
901fbdad 147 ADD_DEFINITIONS(-DWIN32 -D_DEBUG -D_WIN32_WINNT=0x0501)
ec42eafd 148 FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/win32/*.c src/compat/*.c)
96ef3d84 149ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
ec42eafd 150 FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/unix/*.c src/compat/*.c)
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CY
151ELSEIF (AMIGA)
152 ADD_DEFINITIONS(-DNO_ADDRINFO -DNO_READDIR_R)
153 FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/amiga/*.c src/compat/*.c)
678e9e04 154ELSE()
3a5ad90a 155 FILE(GLOB SRC src/*.c src/transports/*.c src/xdiff/*.c src/unix/*.c)
5b8bb8e7
PD
156ENDIF ()
157
583cf169 158# Compile and link libgit2
c3f7a938 159ADD_LIBRARY(git2 ${SRC} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1} ${WIN_RC})
39cdf272
CMN
160
161IF (WIN32)
162 TARGET_LINK_LIBRARIES(git2 ws2_32)
e944cfa9
CMN
163ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
164 TARGET_LINK_LIBRARIES(git2 socket nsl)
7cbdaf7f 165ENDIF ()
583cf169 166
a6f24a5b 167TARGET_LINK_LIBRARIES(git2 ${CMAKE_THREAD_LIBS_INIT} ${SSL_LIBRARIES})
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168SET_TARGET_PROPERTIES(git2 PROPERTIES VERSION ${LIBGIT2_VERSION_STRING})
169SET_TARGET_PROPERTIES(git2 PROPERTIES SOVERSION ${LIBGIT2_VERSION_MAJOR})
4fd486e0 170CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libgit2.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc @ONLY)
583cf169 171
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172IF (MSVC)
173 # Precompiled headers
174 SET_TARGET_PROPERTIES(git2 PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
175 SET_SOURCE_FILES_PROPERTIES(src/win32/precompiled.c COMPILE_FLAGS "/Ycprecompiled.h")
176ENDIF ()
177
583cf169 178# Install
932d1baf 179INSTALL(TARGETS git2
9795a40f 180 RUNTIME DESTINATION ${BIN_INSTALL_DIR}
b3237ac3
ICQ
181 LIBRARY DESTINATION ${LIB_INSTALL_DIR}
182 ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
583cf169 183)
b3237ac3 184INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libgit2.pc DESTINATION ${LIB_INSTALL_DIR}/pkgconfig )
9795a40f
VP
185INSTALL(DIRECTORY include/git2 DESTINATION ${INCLUDE_INSTALL_DIR} )
186INSTALL(FILES include/git2.h DESTINATION ${INCLUDE_INSTALL_DIR} )
583cf169
PD
187
188# Tests
3fd1520c 189IF (BUILD_CLAR)
e0799b6c 190
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191 FIND_PACKAGE(PythonInterp REQUIRED)
192
fd29cd13 193 SET(CLAR_FIXTURES "${CMAKE_CURRENT_SOURCE_DIR}/tests-clar/resources/")
3fd1520c 194 SET(CLAR_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tests-clar")
e0799b6c 195 SET(CLAR_RESOURCES "${CMAKE_CURRENT_SOURCE_DIR}/tests-clar/resources" CACHE PATH "Path to test resources.")
3fd1520c 196 ADD_DEFINITIONS(-DCLAR_FIXTURE_PATH=\"${CLAR_FIXTURES}\")
e0799b6c 197 ADD_DEFINITIONS(-DCLAR_RESOURCES=\"${TEST_RESOURCES}\")
11385c3c 198
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VM
199 INCLUDE_DIRECTORIES(${CLAR_PATH})
200 FILE(GLOB_RECURSE SRC_TEST ${CLAR_PATH}/*/*.c ${CLAR_PATH}/clar_helpers.c ${CLAR_PATH}/testlib.c)
f1558d9b 201
86a459a8 202 ADD_CUSTOM_COMMAND(
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VM
203 OUTPUT ${CLAR_PATH}/clar_main.c ${CLAR_PATH}/clar.h
204 COMMAND ${PYTHON_EXECUTABLE} clar -vtap .
205 DEPENDS ${CLAR_PATH}/clar ${SRC_TEST}
206 WORKING_DIRECTORY ${CLAR_PATH}
86a459a8 207 )
7205a4d9 208 ADD_EXECUTABLE(libgit2_clar ${SRC} ${CLAR_PATH}/clar_main.c ${SRC_TEST} ${SRC_ZLIB} ${SRC_HTTP} ${SRC_REGEX} ${SRC_SHA1})
a6f24a5b 209 TARGET_LINK_LIBRARIES(libgit2_clar ${CMAKE_THREAD_LIBS_INIT} ${SSL_LIBRARIES})
73aaf674
BS
210
211 IF (MSVC)
212 # Precompiled headers
213 SET_TARGET_PROPERTIES(libgit2_clar PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h /FIprecompiled.h")
214 ENDIF ()
215
f1558d9b 216 IF (WIN32)
3fd1520c 217 TARGET_LINK_LIBRARIES(libgit2_clar ws2_32)
f1558d9b 218 ELSEIF (CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
3fd1520c 219 TARGET_LINK_LIBRARIES(libgit2_clar socket nsl)
f1558d9b
VM
220 ENDIF ()
221
222 ENABLE_TESTING()
a75770fe 223 ADD_TEST(libgit2_clar libgit2_clar -iall)
f1558d9b 224ENDIF ()
e632f687
CB
225
226IF (TAGS)
227 FIND_PROGRAM(CTAGS ctags)
228 IF (NOT CTAGS)
229 message(FATAL_ERROR "Could not find ctags command")
230 ENDIF ()
231
232 FILE(GLOB_RECURSE SRC_ALL *.[ch])
233
234 ADD_CUSTOM_COMMAND(
235 OUTPUT tags
236 COMMAND ${CTAGS} -a ${SRC_ALL}
237 DEPENDS ${SRC_ALL}
238 )
239 ADD_CUSTOM_TARGET(
240 do_tags ALL
241 DEPENDS tags
242 )
243ENDIF ()
62986ff6
SG
244
245IF (BUILD_EXAMPLES)
246 FILE(GLOB_RECURSE EXAMPLE_SRC examples/network/*.c)
247 ADD_EXECUTABLE(cgit2 ${EXAMPLE_SRC})
248 TARGET_LINK_LIBRARIES(cgit2 git2 pthread)
73c46d53 249
62986ff6
SG
250 ADD_EXECUTABLE(git-diff examples/diff.c)
251 TARGET_LINK_LIBRARIES(git-diff git2)
b02c371e 252
62986ff6
SG
253 ADD_EXECUTABLE(git-general examples/general.c)
254 TARGET_LINK_LIBRARIES(git-general git2)
73c46d53 255
62986ff6
SG
256 ADD_EXECUTABLE(git-showindex examples/showindex.c)
257 TARGET_LINK_LIBRARIES(git-showindex git2)
583cf169 258ENDIF ()