CMakeLists.txt

cmake_minimum_required(VERSION 2.6)

project(cmake-with-git-metadata)

if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
  execute_process(
    COMMAND git rev-parse --abbrev-ref HEAD
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    OUTPUT_VARIABLE GIT_BRANCH
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )

  execute_process(
    COMMAND git log -1 --format=%h
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    OUTPUT_VARIABLE GIT_COMMIT_HASH
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )
else(EXISTS "${CMAKE_SOURCE_DIR}/.git")
  set(GIT_BRANCH "")
  set(GIT_COMMIT_HASH "")
endif(EXISTS "${CMAKE_SOURCE_DIR}/.git")

message(STATUS "Git current branch: ${GIT_BRANCH}")
message(STATUS "Git commit hash: ${GIT_COMMIT_HASH}")

message(STATUS "Generating version.h")

configure_file(
  ${CMAKE_SOURCE_DIR}/include/version.h.in
  ${CMAKE_BINARY_DIR}/generated/version.h
)

include_directories(${CMAKE_BINARY_DIR}/generated)
include_directories(${CMAKE_SOURCE_DIR}/include)

add_subdirectory(src)