CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
PROJECT(sensor-fusion CXX)
INCLUDE(GNUInstallDirs)

SET(AUTO_ROTATION "ON")
SET(GRAVITY "ON")
SET(LINEAR_ACCEL "ON")
SET(RV "ON")
SET(ORIENTATION "ON")
SET(PEDOMETER "ON")

INCLUDE_DIRECTORIES(
	${CMAKE_SOURCE_DIR}/src/shared
	${CMAKE_CURRENT_SOURCE_DIR}
)

# Common Options
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -O2 -omit-frame-pointer -std=gnu++0x")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdata-sections -ffunction-sections")
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -Wl,--print-gc-sections")
MESSAGE("FLAGS: ${CMAKE_CXX_FLAGS}")
MESSAGE("FLAGS: ${CMAKE_EXE_LINKER_FLAGS}")

# Internal Debugging Options
#ADD_DEFINITIONS(-Wall -g -D_DEBUG)

INCLUDE(FindPkgConfig)
PKG_CHECK_MODULES(PLUGINS_PKGS REQUIRED dlog)

FOREACH(flag ${PLUGINS_PKGS_CFLAGS})
	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
ENDFOREACH(flag)

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")

FILE(GLOB SRCS *.cpp)

IF("${AUTO_ROTATION}" STREQUAL "ON")
FILE(GLOB_RECURSE SRCS ${SRCS} auto_rotation/*.cpp)
ADD_DEFINITIONS(-DENABLE_AUTO_ROTATION)
ENDIF()

IF("${GRAVITY}" STREQUAL "ON")
FILE(GLOB_RECURSE SRCS ${SRCS} gravity/*.cpp)
ADD_DEFINITIONS(-DENABLE_GRAVITY)
ENDIF()

IF("${LINEAR_ACCEL}" STREQUAL "ON")
FILE(GLOB_RECURSE SRCS ${SRCS} linear_accel/*.cpp)
ADD_DEFINITIONS(-DENABLE_LINEAR_ACCEL)
ENDIF()

IF("${RV}" STREQUAL "ON")
FILE(GLOB_RECURSE SRCS ${SRCS} rotation_vector/*.cpp)
ADD_DEFINITIONS(-DENABLE_ROTATION_VECTOR)
ENDIF()

IF("${ORIENTATION}" STREQUAL "ON")
FILE(GLOB_RECURSE SRCS ${SRCS} orientation/*.cpp)
ADD_DEFINITIONS(-DENABLE_ORIENTATION)
ENDIF()

IF("${PEDOMETER}" STREQUAL "ON")
FILE(GLOB_RECURSE SRCS ${SRCS} pedometer/*.cpp)
ADD_DEFINITIONS(-DENABLE_PEDOMETER)
ENDIF()

MESSAGE("Sources: ${SRCS}")
ADD_LIBRARY(${PROJECT_NAME} SHARED ${SRCS})
TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${PLUGINS_PKGS_LDFLAGS})
INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${CMAKE_INSTALL_LIBDIR}/sensor/fusion)