CMakeLists.txt

project(cph C)
cmake_minimum_required(VERSION 2.6)

# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
# set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_BINARY_DIR})

option(GTK "build with gtk" OFF)

#
# Project Output Paths
#
SET (MAINFOLDER ${PROJECT_SOURCE_DIR})
SET (EXECUTABLE_OUTPUT_PATH "${MAINFOLDER}/bin")

#
# Project Search Paths
#
LIST (APPEND CMAKE_PREFIX_PATH "${MAINFOLDER}")
LIST (APPEND CMAKE_PREFIX_PATH "${MAINFOLDER}/tools")
SET (CMAKE_MODULE_PATH "${MAINFOLDER}/tools/share/cmake")

INCLUDE(CPack)

set(SOURCE
    src/cph.c
    src/cph_args.c
    src/cph_io.c
    src/cph_memory.c
    src/cph_key.c)

set(HEADERS
    src/cph.h
    src/cph_args.h
    src/cph_io.h
    src/cph_memory.h
    src/cph_key.h)

# There are lots of scripts with cmake for finding external libraries.
# see /usr/local/share/cmake-2.6/Modules/Find*.cmake for more examples
find_package(Libgcrypt REQUIRED)

# Use the package PkgConfig to detect GTK+ headers/library files
find_package(PkgConfig REQUIRED)

if (GTK)
  add_definitions(-DGTK)
  pkg_check_modules(GTK3 REQUIRED gtk+-3.0)

  # Setup CMake to use GTK+, tell the compiler where to look for headers
  # and to the linker where to look for libraries
  include_directories(${GTK3_INCLUDE_DIRS})
  link_directories(${GTK3_LIBRARY_DIRS})
  # Add other flags to the compiler
  add_definitions(${GTK3_CFLAGS_OTHER})
endif()

add_executable(cph ${SOURCE} ${HEADERS})
# Link the target to the GTK+ libraries
target_link_libraries(cph ${GTK3_LIBRARIES} ${LIBGCRYPT_LIBS})

install(TARGETS cph DESTINATION bin)