cmake_minimum_required (VERSION 3.0.2)
project (utf8cpp VERSION 2.3.6 LANGUAGES CXX)

option(UTF8_TESTS "Enable tests for UTF8-CPP" On)
option(UTF8_SAMPLES "Enable building samples for UTF8-CPP" On)

add_library(utf8cpp INTERFACE)
target_include_directories(utf8cpp INTERFACE
	"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/source>"
	$<INSTALL_INTERFACE:include/utf8cpp>
)
add_library(utf8::cpp ALIAS utf8cpp)

if(WIN32 AND NOT CYGWIN)
    set(DEF_INSTALL_CMAKE_DIR CMake)
else()
    include(GNUInstallDirs) # define CMAKE_INSTALL_*
    set(DEF_INSTALL_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/utf8cpp)
endif()

install(DIRECTORY source/ DESTINATION include/utf8cpp)
install(TARGETS utf8cpp EXPORT utf8cppConfig)
install(EXPORT utf8cppConfig DESTINATION ${DEF_INSTALL_CMAKE_DIR})

if(UTF8_SAMPLES)
	add_executable(utf8reader ${PROJECT_SOURCE_DIR}/test_drivers/utf8reader/utf8reader.cpp)
	add_executable(docsample ${PROJECT_SOURCE_DIR}/samples/docsample.cpp)

	target_link_libraries(utf8reader PRIVATE utf8::cpp)
	target_link_libraries(docsample PRIVATE utf8::cpp)
endif()

if(UTF8_TESTS)
	add_executable(smoke ${PROJECT_SOURCE_DIR}/test_drivers/smoke_test/test.cpp)
	add_executable(negative ${PROJECT_SOURCE_DIR}/test_drivers/negative/negative.cpp)

	target_link_libraries(smoke PRIVATE utf8::cpp)
	target_link_libraries(negative PRIVATE utf8::cpp)

	enable_testing()
	add_test(smoke_test smoke)
	add_test(negative_test negative ${PROJECT_SOURCE_DIR}/test_data/negative/utf8_invalid.txt)
endif()