Improved cmake subproject support

- Added code to determine whether this is a standalone project or included by other projects.
- Added option INSTALL_PROJECT to enable/disable install project.
- Replaced CMAKE_BINARY_DIR to CMAKE_CURRENT_BINARY_DIR.
This commit is contained in:
Владислав Щапов
2021-02-26 20:08:39 +05:00
parent b43f8a0c22
commit b7f04b700b

View File

@@ -7,7 +7,11 @@ else()
project(miniz C) project(miniz C)
endif() endif()
include(GNUInstallDirs) # determine whether this is a standalone project or included by other projects
set(MINIZ_STANDALONE_PROJECT OFF)
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(MINIZ_STANDALONE_PROJECT ON)
endif ()
set(MINIZ_API_VERSION 2) set(MINIZ_API_VERSION 2)
set(MINIZ_MINOR_VERSION 1) set(MINIZ_MINOR_VERSION 1)
@@ -23,14 +27,19 @@ if(CMAKE_BUILD_TYPE STREQUAL "")
CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel." FORCE) CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel." FORCE)
endif () endif ()
option(BUILD_EXAMPLES "Build examples" ON) option(BUILD_EXAMPLES "Build examples" ${MINIZ_STANDALONE_PROJECT})
option(BUILD_FUZZERS "Build fuzz targets" OFF) option(BUILD_FUZZERS "Build fuzz targets" OFF)
option(AMALGAMATE_SOURCES "Amalgamate sources into miniz.h/c" OFF) option(AMALGAMATE_SOURCES "Amalgamate sources into miniz.h/c" OFF)
option(BUILD_HEADER_ONLY "Build a header-only version" OFF) option(BUILD_HEADER_ONLY "Build a header-only version" OFF)
option(BUILD_SHARED_LIBS "Build shared library instead of static" ON) option(BUILD_SHARED_LIBS "Build shared library instead of static" ON)
option(INSTALL_PROJECT "Install project" ${MINIZ_STANDALONE_PROJECT})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin)
if(INSTALL_PROJECT)
include(GNUInstallDirs)
endif()
if(BUILD_HEADER_ONLY) if(BUILD_HEADER_ONLY)
set(AMALGAMATE_SOURCES ON CACHE BOOL "Build a header-only version" FORCE) set(AMALGAMATE_SOURCES ON CACHE BOOL "Build a header-only version" FORCE)
endif(BUILD_HEADER_ONLY) endif(BUILD_HEADER_ONLY)
@@ -124,12 +133,14 @@ if(NOT BUILD_HEADER_ONLY)
PRIVATE $<$<C_COMPILER_ID:GNU>:_GNU_SOURCE>) PRIVATE $<$<C_COMPILER_ID:GNU>:_GNU_SOURCE>)
# pkg-config file # pkg-config file
configure_file(miniz.pc.in ${CMAKE_BINARY_DIR}/miniz.pc @ONLY) configure_file(miniz.pc.in ${CMAKE_CURRENT_BINARY_DIR}/miniz.pc @ONLY)
if(INSTALL_PROJECT)
install(FILES install(FILES
${CMAKE_BINARY_DIR}/miniz.pc ${CMAKE_CURRENT_BINARY_DIR}/miniz.pc
DESTINATION ${CMAKE_INSTALL_DATADIR}/pkgconfig) DESTINATION ${CMAKE_INSTALL_DATADIR}/pkgconfig)
endif() endif()
endif()
set_property(TARGET ${PROJECT_NAME} PROPERTY set_property(TARGET ${PROJECT_NAME} PROPERTY
INTERFACE_${PROJECT_NAME}_MAJOR_VERSION ${MINIZ_API_VERSION}) INTERFACE_${PROJECT_NAME}_MAJOR_VERSION ${MINIZ_API_VERSION})
@@ -137,6 +148,7 @@ set_property(TARGET ${PROJECT_NAME} APPEND PROPERTY
COMPATIBLE_INTERFACE_STRING ${PROJECT_NAME}_MAJOR_VERSION COMPATIBLE_INTERFACE_STRING ${PROJECT_NAME}_MAJOR_VERSION
) )
if(INSTALL_PROJECT)
install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}Targets install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}Targets
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
@@ -179,6 +191,7 @@ install(
COMPONENT COMPONENT
Devel Devel
) )
endif()
if(BUILD_EXAMPLES) if(BUILD_EXAMPLES)
set(EXAMPLE1_SRC_LIST "${CMAKE_CURRENT_SOURCE_DIR}/examples/example1.c") set(EXAMPLE1_SRC_LIST "${CMAKE_CURRENT_SOURCE_DIR}/examples/example1.c")
@@ -250,6 +263,7 @@ endif()
set(INCLUDE_INSTALL_DIR "include") set(INCLUDE_INSTALL_DIR "include")
if(INSTALL_PROJECT)
install(FILES ${INSTALL_HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}) install(FILES ${INSTALL_HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME})
endif()