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# CMake build script for the libgit2 project
# Peter Drahos 2010
#
# Building:
# > mkdir build && cd build
# > cmake .. && make -j3
#
# Testing:
# > ctest -V
#
# Install:
# > make install
PROJECT(libgit2 C)
CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
# Find required dependencies
FIND_PACKAGE(zlib REQUIRED)
INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR} src)
# Try finding openssl
FIND_PACKAGE(OpenSSL)
IF (OPENSSL_CRYPTO_LIBRARIES)
SET(SHA1_TYPE "openssl" CACHE STRING "Which SHA1 implementation to use: builtin, ppc, openssl")
ELSEIF ()
SET(SHA1_TYPE "builtin" CACHE STRING "Which SHA1 implementation to use: builtin, ppc")
ENDIF ()
# Sane defaults and options
SET(INSTALL_BIN bin CACHE PATH "Where to install binaries to.")
SET(INSTALL_LIB lib CACHE PATH "Where to install libraries to.")
SET(INSTALL_INC include/git CACHE PATH "Where to install headers to.")
OPTION (BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON)
OPTION (BUILD_TESTS "Build Tests" ON)
IF (NOT CMAKE_BUILD_TYPE)
SET(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
ENDIF ()
# Collect sourcefiles
FILE(GLOB SRC src/*.c)
FILE(GLOB SRC_SHA1 src/block-sha1/*.c)
FILE(GLOB SRC_PLAT src/unix/*.c)
FILE(GLOB SRC_H src/git/*.h)
# On Windows use specific platform sources
IF (WIN32)
ADD_DEFINITIONS(WIN32 _DEBUG _LIB ZLIB_WINAPI)
FILE(GLOB SRC_PLAT src/win32/*.c)
ENDIF ()
# sha1 implementation
IF (SHA1_TYPE STREQUAL "ppc")
ADD_DEFINITIONS(-DPPC_SHA1)
FILE(GLOB SRC_SHA1 src/ppc/*.c)
ELSEIF (SHA1_TYPE STREQUAL "openssl")
ADD_DEFINITIONS(-DOPENSSL_SHA1)
SET (SRC_SHA1)
INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
SET (LIB_SHA1 ${OPENSSL_CRYPTO_LIBRARIES})
ENDIF ()
# Compile and link libgit2
ADD_LIBRARY(git2 ${SRC} ${SRC_PLAT} ${SRC_SHA1})
TARGET_LINK_LIBRARIES(git2 ${ZLIB_LIBRARY} ${LIB_SHA1})
# Install
INSTALL(TARGETS git2
RUNTIME DESTINATION ${INSTALL_BIN}
LIBRARY DESTINATION ${INSTALL_LIB}
ARCHIVE DESTINATION ${INSTALL_LIB}
)
INSTALL(FILES ${SRC_H} DESTINATION ${INSTALL_INC} )
# Tests
IF (BUILD_TESTS)
ENABLE_TESTING()
# Find and build all tests
INCLUDE_DIRECTORIES(tests)
FILE (GLOB TESTS tests/t????-*.c)
FOREACH (TEST_SRC ${TESTS})
# Match the source to get test name
STRING(REGEX MATCH "(t....-.*).c$" TEST_NAME ${TEST_SRC})
SET(TEST_NAME ${CMAKE_MATCH_1}) # This is the actual matched variable, got to love CMake macro language
# Generate TOC by finding BEGIN_TEST entries in test source.
FILE(READ ${TEST_SRC} TEST_CODE)
STRING(REGEX MATCHALL "BEGIN_TEST\\([^\\)]*\\)\n" TEST_TOC ${TEST_CODE})
FILE(WRITE tests/${TEST_NAME}.toc ${TEST_TOC}) # If desired this might be moved to the build dir
# Compile
ADD_EXECUTABLE(${TEST_NAME} tests/test_main.c tests/test_lib.c tests/test_helpers.c ${TEST_SRC})
TARGET_LINK_LIBRARIES(${TEST_NAME} git2)
SET_TARGET_PROPERTIES(${TEST_NAME} PROPERTIES COMPILE_DEFINITIONS TEST_TOC=\"${TEST_NAME}.toc\")
# Add CTest
ADD_TEST(${TEST_NAME} ${TEST_NAME})
ENDFOREACH ()
ENDIF ()
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