#
# CMakeLists.txt -- basic CMake build for libbuf
#
# Copyright (c) 2013-2024 David Demelier <markand@malikania.fr>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

cmake_minimum_required(VERSION 3.20)
project(
	libbuf
	VERSION "1.0.0"
	DESCRIPTION "Minimalist dynamic string library for C99"
	HOMEPAGE_URL "http://projects.malikania.fr/libbuf"
	LANGUAGES C
)

include(CMakePackageConfigHelpers)
include(GNUInstallDirs)

add_library(libbuf-static STATIC buf.c buf.h)
target_include_directories(
	libbuf-static
	PUBLIC
		$<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}>
		$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
install(
	TARGETS libbuf-static
	EXPORT buf-targets
	ARCHIVE DESTINATION lib
)

if (NOT CMAKE_C_COMPILER_ID MATCHES "MSVC" OR NOT BUILD_SHARED_LIBS)
	set_target_properties(libbuf-static PROPERTIES OUTPUT_NAME buf)
else ()
	set_target_properties(libbuf-static PROPERTIES OUTPUT_NAME buf-static)
endif ()

if (BUILD_SHARED_LIBS)
	add_library(libbuf-shared SHARED buf.c buf.h buf.def)
	target_include_directories(libbuf-shared PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
	set_target_properties(
		libbuf-shared
		PROPERTIES
			OUTPUT_NAME buf
			VERSION ${PROJECT_VERSION}
			SOVERSION ${PROJECT_VERSION_MAJOR}
	)
	install(
		TARGETS libbuf-shared
		EXPORT buf-targets
		ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
		LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
		RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
	)
endif ()

configure_file(
	${PROJECT_SOURCE_DIR}/buf.pc.in
	${PROJECT_BINARY_DIR}/buf.pc
	@ONLY
)

write_basic_package_version_file(
	${PROJECT_BINARY_DIR}/buf-config-version.cmake
	VERSION ${PROJECT_VERSION}
	COMPATIBILITY SameMajorVersion
)

install(FILES ${PROJECT_SOURCE_DIR}/buf.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(FILES ${PROJECT_BINARY_DIR}/buf.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(FILES ${PROJECT_SOURCE_DIR}/libbuf.3 DESTINATION ${CMAKE_INSTALL_MANDIR}/man3)
install(
	EXPORT buf-targets
	FILE buf-targets.cmake
	NAMESPACE buf::
	DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/buf
)
install(
	FILES
		${PROJECT_BINARY_DIR}/buf-config-version.cmake
		${PROJECT_SOURCE_DIR}/buf-config.cmake
	DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/buf
)

enable_testing()

set(
	TESTS
	test-clear
	test-dup
	test-erase
	test-finish
	test-init
	test-printf
	test-putc
	test-puts
	test-reserve
	test-resize
	test-shrink
	test-sub
)

foreach (t ${TESTS})
	add_executable(${t} tests/${t}.c)
	target_link_libraries(${t} libbuf-static)
	target_include_directories(${t} PRIVATE ${CMAKE_SOURCE_DIR}/extern/libdt)
	add_test(NAME ${t} COMMAND ${t})
endforeach ()