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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
set(LIB_NAME libcurl)
set(LIBCURL_OUTPUT_NAME libcurl CACHE STRING "Basename of the curl library")
add_definitions(-DBUILDING_LIBCURL)
configure_file(curl_config.h.cmake
${CMAKE_CURRENT_BINARY_DIR}/curl_config.h)
transform_makefile_inc("Makefile.inc" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake")
include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake)
list(APPEND HHEADERS
${CMAKE_CURRENT_BINARY_DIR}/curl_config.h
)
# The rest of the build
include_directories(${CMAKE_CURRENT_BINARY_DIR}/../include)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../include)
include_directories(${CMAKE_CURRENT_BINARY_DIR}/..)
include_directories(${CMAKE_CURRENT_SOURCE_DIR})
include_directories(${CMAKE_CURRENT_BINARY_DIR})
if(USE_ARES)
include_directories(${CARES_INCLUDE_DIR})
endif()
if(BUILD_TESTING)
add_library(
curlu # special libcurlu library just for unittests
STATIC
EXCLUDE_FROM_ALL
${HHEADERS} ${CSOURCES}
)
target_compile_definitions(curlu PUBLIC UNITTESTS CURL_STATICLIB)
endif()
if(ENABLE_CURLDEBUG)
# We must compile these sources separately to avoid memdebug.h redefinitions
# applying to them.
set_source_files_properties(memdebug.c curl_multibyte.c PROPERTIES SKIP_UNITY_BUILD_INCLUSION ON)
endif()
if(BUILD_TESTING)
target_link_libraries(curlu PRIVATE ${CURL_LIBS})
endif()
transform_makefile_inc("Makefile.soname" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.soname.cmake")
include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.soname.cmake)
if(CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
CMAKE_SYSTEM_NAME STREQUAL "Linux" OR
CMAKE_SYSTEM_NAME STREQUAL "Darwin" OR
CMAKE_SYSTEM_NAME STREQUAL "SunOS" OR
CMAKE_SYSTEM_NAME STREQUAL "GNU/kFreeBSD" OR
# FreeBSD comes with the a.out and elf flavours
# but a.out was supported up to version 3.x and
# elf from 3.x. I cannot imagine someone running
# CMake on those ancient systems
CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR
CMAKE_SYSTEM_NAME STREQUAL "Haiku")
math(EXPR CMAKESONAME "${VERSIONCHANGE} - ${VERSIONDEL}")
set(CMAKEVERSION "${CMAKESONAME}.${VERSIONDEL}.${VERSIONADD}")
else()
unset(CMAKESONAME)
endif()
## Library definition
# Add "_imp" as a suffix before the extension to avoid conflicting with
# the statically linked "libcurl.lib" (typically with MSVC)
if(WIN32 AND
NOT IMPORT_LIB_SUFFIX AND
CMAKE_STATIC_LIBRARY_SUFFIX STREQUAL CMAKE_IMPORT_LIBRARY_SUFFIX)
set(IMPORT_LIB_SUFFIX "_imp")
endif()
# Whether to do a single compilation pass for libcurl sources and reuse these
# objects to generate both static and shared target.
if(NOT DEFINED SHARE_LIB_OBJECT)
# Enable it by default on platforms where PIC is the default for both shared
# and static and there is a way to tell the linker which libcurl symbols it
# should export (vs. marking these symbols exportable at compile-time).
if(WIN32)
set(SHARE_LIB_OBJECT ON)
else()
# On other platforms, make it an option disabled by default
set(SHARE_LIB_OBJECT OFF)
endif()
endif()
if(WIN32)
# Define CURL_STATICLIB always, to disable __declspec(dllexport) for exported
# libcurl symbols. We handle exports via libcurl.def instead. Except with
# symbol hiding disabled or debug mode enabled, when we export _all_ symbols
# from libcurl DLL, without using libcurl.def.
add_definitions("-DCURL_STATICLIB")
endif()
if(SHARE_LIB_OBJECT)
set(LIB_OBJECT "libcurl_object")
add_library(${LIB_OBJECT} OBJECT ${HHEADERS} ${CSOURCES})
target_link_libraries(${LIB_OBJECT} PRIVATE ${CURL_LIBS})
set_target_properties(${LIB_OBJECT} PROPERTIES
POSITION_INDEPENDENT_CODE ON)
if(HIDES_CURL_PRIVATE_SYMBOLS)
set_property(TARGET ${LIB_OBJECT} APPEND PROPERTY COMPILE_FLAGS "${CURL_CFLAG_SYMBOLS_HIDE}")
set_property(TARGET ${LIB_OBJECT} APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
endif()
if(CURL_HAS_LTO)
set_target_properties(${LIB_OBJECT} PROPERTIES
INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE
INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO TRUE)
endif()
target_include_directories(${LIB_OBJECT} INTERFACE
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
$<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
set(LIB_SOURCE $<TARGET_OBJECTS:${LIB_OBJECT}>)
else()
set(LIB_SOURCE ${HHEADERS} ${CSOURCES})
endif()
# we want it to be called libcurl on all platforms
if(BUILD_STATIC_LIBS)
list(APPEND libcurl_export ${LIB_STATIC})
add_library(${LIB_STATIC} STATIC ${LIB_SOURCE})
add_library(${PROJECT_NAME}::${LIB_STATIC} ALIAS ${LIB_STATIC})
target_link_libraries(${LIB_STATIC} PRIVATE ${CURL_LIBS})
# Remove the "lib" prefix since the library is already named "libcurl".
set_target_properties(${LIB_STATIC} PROPERTIES
PREFIX "" OUTPUT_NAME "${LIBCURL_OUTPUT_NAME}"
SUFFIX "${STATIC_LIB_SUFFIX}${CMAKE_STATIC_LIBRARY_SUFFIX}"
INTERFACE_COMPILE_DEFINITIONS "CURL_STATICLIB")
if(HIDES_CURL_PRIVATE_SYMBOLS)
set_property(TARGET ${LIB_STATIC} APPEND PROPERTY COMPILE_FLAGS "${CURL_CFLAG_SYMBOLS_HIDE}")
set_property(TARGET ${LIB_STATIC} APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
endif()
if(CURL_HAS_LTO)
set_target_properties(${LIB_STATIC} PROPERTIES
INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE
INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO TRUE)
endif()
if(CMAKEVERSION AND CMAKESONAME)
set_target_properties(${LIB_STATIC} PROPERTIES
VERSION ${CMAKEVERSION} SOVERSION ${CMAKESONAME})
endif()
target_include_directories(${LIB_STATIC} INTERFACE
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
$<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
endif()
if(BUILD_SHARED_LIBS)
list(APPEND libcurl_export ${LIB_SHARED})
add_library(${LIB_SHARED} SHARED ${LIB_SOURCE})
add_library(${PROJECT_NAME}::${LIB_SHARED} ALIAS ${LIB_SHARED})
if(WIN32)
set_property(TARGET ${LIB_SHARED} APPEND PROPERTY SOURCES libcurl.rc)
if(HIDES_CURL_PRIVATE_SYMBOLS)
set_property(TARGET ${LIB_SHARED} APPEND PROPERTY SOURCES "${CURL_SOURCE_DIR}/libcurl.def")
endif()
endif()
target_link_libraries(${LIB_SHARED} PRIVATE ${CURL_LIBS})
# Remove the "lib" prefix since the library is already named "libcurl".
set_target_properties(${LIB_SHARED} PROPERTIES
PREFIX "" OUTPUT_NAME "${LIBCURL_OUTPUT_NAME}"
IMPORT_PREFIX "" IMPORT_SUFFIX "${IMPORT_LIB_SUFFIX}${CMAKE_IMPORT_LIBRARY_SUFFIX}"
POSITION_INDEPENDENT_CODE ON)
if(HIDES_CURL_PRIVATE_SYMBOLS)
set_property(TARGET ${LIB_SHARED} APPEND PROPERTY COMPILE_FLAGS "${CURL_CFLAG_SYMBOLS_HIDE}")
set_property(TARGET ${LIB_SHARED} APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
endif()
if(CURL_HAS_LTO)
set_target_properties(${LIB_SHARED} PROPERTIES
INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE
INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO TRUE)
endif()
if(CMAKEVERSION AND CMAKESONAME)
set_target_properties(${LIB_SHARED} PROPERTIES
VERSION ${CMAKEVERSION} SOVERSION ${CMAKESONAME})
endif()
target_include_directories(${LIB_SHARED} INTERFACE
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
$<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
endif()
add_library(${LIB_NAME} ALIAS ${LIB_SELECTED})
add_library(${PROJECT_NAME}::${LIB_NAME} ALIAS ${LIB_SELECTED})
if(CURL_ENABLE_EXPORT_TARGET)
if(BUILD_STATIC_LIBS)
install(TARGETS ${LIB_STATIC}
EXPORT ${TARGETS_EXPORT_NAME}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
endif()
if(BUILD_SHARED_LIBS)
install(TARGETS ${LIB_SHARED}
EXPORT ${TARGETS_EXPORT_NAME}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
endif()
export(TARGETS ${libcurl_export}
FILE ${PROJECT_BINARY_DIR}/libcurl-target.cmake
NAMESPACE ${PROJECT_NAME}::
)
endif()
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