CMakeLists.txt

#############################################################################
# This file is part of the libqgit2 library
# Copyright (C) 2011 Laszlo Papp
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# CMake build script for the libgit2 project
#
# Building (out of source build):
# > mkdir build && cd build
# > cmake .. [-DSETTINGS=VALUE]
# > cmake --build .
#
# Testing:
# > ctest -V
#
# Install:
# > cmake --build . --target install

cmake_minimum_required(VERSION 2.8)
project(libqgit2)

find_package(Qt4 4.6 REQUIRED)

FILE(STRINGS "qgit2.h" QGIT2_HEADER REGEX "^#define LIBQGIT2_VERSION \"[^\"]*\"$")

STRING(REGEX REPLACE "^.*LIBQGIT2_VERSION \"([0-9]+).*$" "\\1" LIBQGIT2_VERSION_MAJOR "${QGIT2_HEADER}")
STRING(REGEX REPLACE "^.*LIBQGIT2_VERSION \"[0-9]+\\.([0-9]+).*$" "\\1" LIBQGIT2_VERSION_MINOR  "${QGIT2_HEADER}")
STRING(REGEX REPLACE "^.*LIBQGIT2_VERSION \"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" LIBQGIT2_VERSION_REV "${QGIT2_HEADER}")
SET(LIBQGIT2_VERSION_STRING "${LIBQGIT2_VERSION_MAJOR}.${LIBQGIT2_VERSION_MINOR}.${LIBQGIT2_VERSION_REV}")

# Installation paths
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 CACHE PATH "Where to install headers to.")

# Build options
OPTION (BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON)
OPTION (BUILD_TESTS "Build Tests" ON)

#Project options, to provide a selective build process
#Note that some of these are mutually exclusive or just
#do not make a whole lot of sense combined.
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")

if(CMAKE_INSTALL_PREFIX STREQUAL "/usr")
    option(INSTALL_CMAKE_FILES "Install the *.cmake files into the CMake root" ON)
else()
    option(INSTALL_CMAKE_FILES "Install the *.cmake files into the CMake root" OFF)
endif()

set(LIBQGIT2_BUILD_ALL TRUE
    CACHE INTERNAL "Build all of LIBQGIT2"
)

SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-Wall -O2 -g")
SET(CMAKE_CXX_FLAGS_RELEASE "-Wall -O2")
SET(CMAKE_CXX_FLAGS_DEBUG  "-Wall -g3 -ggdb -O0" CACHE STRING "Debug options." FORCE)

# Build Release by default
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 ()

include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR} ${QT_INCLUDES})

# Collect sourcefiles
FILE(GLOB SRC src/*.cpp)

message(STATUS)
message(STATUS "========== LIBQGIT2 Build Information ==========")
message(STATUS "Build Version: ${LIBQGIT2_VERSION_STRING} (${LIBQGIT2_VERSION_NAME})")
message(STATUS "Install Prefix: ${CMAKE_INSTALL_PREFIX}")
message(STATUS "Install the *.cmake files into CMake root (INSTALL_CMAKE_FILES): ${INSTALL_CMAKE_FILES}")
message(STATUS)
message(STATUS "To change any of these options, override them using -D{OPTION_NAME} on the commandline.")
message(STATUS "To build and install LIBQGIT2, run \"make\" and \"make install\"")
message(STATUS)

# Compile and link libqgit2
ADD_LIBRARY(qgit2 ${SRC})
TARGET_LINK_LIBRARIES(qgit2 ${QT_QTCORE_LIBRARY})
SET_TARGET_PROPERTIES(qgit2 PROPERTIES VERSION ${LIBQGIT2_VERSION_STRING})
SET_TARGET_PROPERTIES(qgit2 PROPERTIES SOVERSION ${LIBQGIT2_VERSION_MAJOR})

# Install
INSTALL(TARGETS qgit2
    RUNTIME DESTINATION ${INSTALL_BIN}
    LIBRARY DESTINATION ${INSTALL_LIB}
    ARCHIVE DESTINATION ${INSTALL_LIB}
)
# INSTALL(DIRECTORY src/git2 DESTINATION ${INSTALL_INC} )
INSTALL(FILES qgit2.h DESTINATION ${INSTALL_INC} )

if(INSTALL_CMAKE_FILES)
    install(
        FILES
        DESTINATION
        ${CMAKE_ROOT}/Modules
        OPTIONAL
    )
else()
    install(
        FILES
        DESTINATION
        ${SHARE_INSTALL_DIR}/mula/cmake
        OPTIONAL
    )
endif()

#Packaging options
set(CPACK_GENERATOR "RPM;TGZ")
set(CPACK_PACKAGE_NAME "LIBQGIT2")
set(CPACK_PACKAGE_FILE_NAME "LIBQGIT2-${LIBQGIT2_VERSION_STRING}")
set(CPACK_PACKAGE_VERSION "${LIBQGIT2_VERSION_MAJOR}.${LIBQGIT2_VERSION_MINOR}.${LIBQGIT2_VERSION_PATCH}")
set(CPACK_PACKAGE_CONTACT "Laszlo Papp <djszapi@archlinux.us>")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "libgit2 bindings for Qt")
include(InstallRequiredSystemLibraries)
include(CPack)