cmake_minimum_required(VERSION 2.8.12)
project(guttersynth)


# User options
option(USE_FLOAT "Set to use single-precision floating point." OFF)
option(CREATE_STATIC "Set to create the static library in addition to shared library." ON)
option(BUILD_EXAMPLES "Set to build the example programs." ON)


set(BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR})
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")

if(USE_FLOAT)
    message(STATUS "Building with 32-bit floats")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DUSE_FLOAT")
else()
    message(STATUS "Building with 64-bit floats")
endif()

include_directories("include")

set(CSOURCES "src/guttersynth.c")

set(PUBLIC_HEADERS "include/guttersynth.h" "include/guttersynth.hpp")
add_library(guttersynth SHARED ${CSOURCES})
target_link_libraries(guttersynth m)
set_target_properties(guttersynth PROPERTIES PUBLIC_HEADER "${PUBLIC_HEADERS}")

install(TARGETS guttersynth 
    ARCHIVE DESTINATION lib 
    LIBRARY DESTINATION lib 
    RUNTIME DESTINATION bin
    PUBLIC_HEADER DESTINATION include)

if (CREATE_STATIC) 
    add_library(guttersynthstatic STATIC ${CSOURCES})
    target_link_libraries(guttersynthstatic m)
    install(TARGETS guttersynthstatic 
        ARCHIVE DESTINATION lib 
        LIBRARY DESTINATION lib 
        RUNTIME DESTINATION bin)
endif()

if (BUILD_EXAMPLES)
    add_executable(guttersynthexample1 "examples/example1.c")
    target_link_libraries(guttersynthexample1 LINK_PUBLIC guttersynth)

    add_executable(guttersynthexample2 "examples/example2.cpp")
    target_link_libraries(guttersynthexample2 LINK_PUBLIC guttersynth)

    find_package(Portaudio)
    if (PORTAUDIO_FOUND)
        message(STATUS "Portaudio found, example 3 building")
        add_executable(guttersynthexample3 "examples/example3.c")
        target_include_directories(guttersynthexample3 PUBLIC ${PORTAUDIO_INCLUDE_DIRS})
        target_link_libraries(guttersynthexample3 LINK_PUBLIC ${PORTAUDIO_LIBRARIES})
        target_link_libraries(guttersynthexample3 LINK_PUBLIC guttersynth)
    else()
        message(STATUS "Portaudio not found, example 3 not building")
    endif()
endif()