cmake_minimum_required (VERSION 3.1)
project (tinyb)

FIND_PACKAGE (Threads REQUIRED)
FIND_PACKAGE (PkgConfig REQUIRED)
FIND_PACKAGE (Git)

PKG_CHECK_MODULES (GLIB2 REQUIRED glib-2.0)
PKG_CHECK_MODULES (GIO REQUIRED gio-2.0)
PKG_CHECK_MODULES (GIO-UNIX REQUIRED gio-unix-2.0)

set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -fno-omit-frame-pointer -DDEBUG")
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wall")
set (LIB_INSTALL_DIR "lib${LIB_SUFFIX}" CACHE PATH "Installation path for libraries")

# Set CMAKE_LIB_INSTALL_DIR if not defined
include(GNUInstallDirs)

# Appends the cmake/modules path to MAKE_MODULE_PATH variable.
set (CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${CMAKE_MODULE_PATH})

# Make a version file containing the current version from git.
include (GetGitRevisionDescription)
git_describe (VERSION "--tags")
if ("x_${VERSION}" STREQUAL "x_GIT-NOTFOUND" OR "x_${VERSION}" STREQUAL "x_HEAD-HASH-NOTFOUND" OR "x_${VERSION}" STREQUAL "x_-128-NOTFOUND")
  message (WARNING " - Install git to compile a production libtinyb!")
  set (VERSION "v0.1.0-dirty")
endif ()

message (INFO " - libtinyb Version ${VERSION}")

#parse the version information into pieces.
string (REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${VERSION}")
string (REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${VERSION}")
string (REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${VERSION}")
string (REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-([0-9]+).*" "\\1" VERSION_COMMIT "${VERSION}")
string (REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+-[0-9]+\\-(.*)" "\\1" VERSION_SHA1 "${VERSION}")
set (VERSION_SHORT "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")

if ("${VERSION_COMMIT}" MATCHES "^v.*")
  set (VERSION_COMMIT "")
endif()

configure_file (${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/version.c.in
                ${CMAKE_CURRENT_BINARY_DIR}/src/version.c)

# this is the library version, independant of git revision
set (tinyb_VERSION_MAJOR ${VERSION_MAJOR})
set (tinyb_VERSION_MINOR ${VERSION_MINOR})
set (tinyb_VERSION_PATCH ${VERSION_PATCH})
set (tinyb_VERSION_STRING ${mraa_VERSION_MAJOR}.${mraa_VERSION_MINOR}.${mraa_VERSION_PATCH})

set (CMAKE_SWIG_FLAGS "")

IF(WARNINGS)
    IF(UNIX)
        IF(CMAKE_COMPILER_IS_GNUCC)
            ADD_DEFINITIONS(-Wall -Wextra)
            ENDIF(CMAKE_COMPILER_IS_GNUCC)
        ENDIF(UNIX)
    ENDIF(WARNINGS)

IF(DEBUG)
    IF(UNIX)
        IF(CMAKE_COMPILER_IS_GNUCC)
            ADD_DEFINITIONS(-g -ggdb)
        ENDIF(CMAKE_COMPILER_IS_GNUCC)
    ENDIF(UNIX)
ENDIF(DEBUG)

find_path (SYSTEM_USR_DIR "stdlib.h")
include_directories (${SYSTEM_USR_DIR})

option (BUILDSWIG "Build swig modules." ON)
option (BUILDSWIGJAVA "Build Java API." OFF)

add_subdirectory (src)
add_subdirectory (examples)