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OpenSSL.cmake
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OpenSSL.cmake
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include_guard(GLOBAL)
include(GNUInstallDirs)
include(Missives)
if(NOT DEFINED OPENSSLCMAKE_REPOSITORY)
set(OPENSSLCMAKE_REPOSITORY "https://github.com/flagarde/openssl-cmake.git")
endif()
if(NOT DEFINED OPENSSLCMAKE_TAG)
set(OPENSSLCMAKE_TAG "v2.3")
endif()
if(${USE_SYSTEM_OPENSSL})
find_package(OpenSSL QUIET)
if(OPENSSL_FOUND)
find_package(OpenSSL)
set(COMPILE_OPENSSL FALSE)
else()
set(COMPILE_OPENSSL TRUE)
missive(NOTE "OpenSSL not found ! OpenSSL will be compiled using ${OPENSSLCMAKE_REPOSITORY} version ${OPENSSLCMAKE_VERSION} !")
endif()
else()
set(COMPILE_OPENSSL TRUE)
missive(NOTE "OpenSSL will be compiled using ${OPENSSLCMAKE_REPOSITORY} version ${OPENSSLCMAKE_VERSION}.")
endif()
if(COMPILE_OPENSSL)
include(CPM)
cpm()
# find_package(OpenSSL) may not have found it,
# clear parent scope variables set to NOTFOUND
foreach(suffix FOUND INCLUDE_DIR INCLUDE_DIRS CRYPTO_LIBRARY SSL_LIBRARY LIBRARY LIBRARIES)
unset(OPENSSL_${suffix} CACHE)
endforeach()
if(NOT DEFINED OPENSSL_VERSION)
set(OPENSSL_VERSION "1.1.1m")
endif()
if(NOT DEFINED OPENSSL_URL)
set(OPENSSL_URL "https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz")
endif()
if(NOT DEFINED OPENSSL_URL_HASH)
set(OPENSSL_URL_HASH "SHA256=f89199be8b23ca45fc7cb9f1d8d3ee67312318286ad030f5316aca6462db6c96")
endif()
declare_option(REPOSITORY "OpenSSL-CMake" OPTION "WITH_APPS" VALUE "OFF")
declare_option(REPOSITORY "OpenSSL-CMake" OPTION "WITH_DOCS" VALUE "OFF")
declare_option(REPOSITORY "OpenSSL-CMake" OPTION "WITH_TESTS" VALUE "OFF")
print_options(REPOSITORY "OpenSSL-CMake")
CPMAddPackage(NAME "OpenSSL-CMake"
GIT_REPOSITORY "${OPENSSLCMAKE_REPOSITORY}"
GIT_TAG "${OPENSSLCMAKE_TAG}"
FETCHCONTENT_UPDATES_DISCONNECTED "${IS_OFFLINE}"
OPTIONS "${OpenSSL-CMake_OPTIONS}")
if(OpenSSL-CMake_ADDED)
set(OPENSSL_FOUND "TRUE" CACHE BOOL "" FORCE)
set(OPENSSL_VERSION "${OPENSSL_VERSION}" CACHE INTERNAL "" FORCE)
set(OPENSSL_VERSION_STRING "${OPENSSL_VERSION}" CACHE INTERNAL "" FORCE)
set(OPENSSL_PREFIX "${CMAKE_INSTALL_PREFIX}" CACHE INTERNAL "" FORCE) # needed by Davix
set(OPENSSL_INCLUDE_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE INTERNAL "" FORCE)
set(OPENSSL_INCLUDE_DIRS "${CMAKE_INSTALL_PREFIX}/include" CACHE INTERNAL "" FORCE)
if(MSVC)
target_compile_options(ssl PRIVATE "/wd4267;/wd4133;/wd4100;/wd4267;/wd4057;/wd4127;/wd4702;/wd4244;/wd4706;/wd4130;/wd4996;/wd4245;/wd4310;/wd4090;/wd4701;/wd4132;/wd4389")
target_compile_options(crypto PRIVATE "/wd4267;/wd4133;/wd4100;/wd4267;/wd4057;/wd4127;/wd4702;/wd4244;/wd4706;/wd4130;/wd4996;/wd4245;/wd4310;/wd4090;/wd4701;/wd4132;/wd4389")
elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
target_compile_options(ssl PRIVATE "-Wno-unused-parameter;-Wno-missing-field-initializers")
target_compile_options(crypto PRIVATE "-Wno-unused-parameter;-Wno-missing-field-initializers")
elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" OR ${CMAKE_CXX_COMPILER_ID} MATCHES "AppleClang")
target_compile_options(crypto PRIVATE "-Wno-unused-command-line-argument;-Wno-unreachable-code-break;-Wno-unreachable-code-return;-Wno-switch-enum;-Wno-disabled-macro-expansion;-Wno-missing-noreturn;-Wno-format-nonliteral;-Wno-undef;-Wno-missing-field-initializers;-Wno-conversion;-Wno-reserved-id-macro;-Wno-cast-align;-Wno-unreachable-code;-Wno-comma;-Wno-cast-qual;-Wno-used-but-marked-unused;-Wno-shorten-64-to-32;-Wno-unused-macros;-Wno-unused-parameter;-Wno-old-style-cast;-Wno-sign-conversion;-Wno-covered-switch-default;-Wno-padded")
target_compile_options(ssl PRIVATE "-Wno-unused-command-line-argument;-Wno-unreachable-code-break;-Wno-unreachable-code-return;-Wno-switch-enum;-Wno-disabled-macro-expansion;-Wno-missing-noreturn;-Wno-format-nonliteral;-Wno-undef;-Wno-missing-field-initializers;-Wno-conversion;-Wno-reserved-id-macro;-Wno-cast-align;-Wno-unreachable-code;-Wno-comma;-Wno-cast-qual;-Wno-used-but-marked-unused;-Wno-shorten-64-to-32;-Wno-unused-macros;-Wno-unused-parameter;-Wno-old-style-cast;-Wno-sign-conversion;-Wno-covered-switch-default;-Wno-padded")
endif()
add_library(SSL IMPORTED INTERFACE)
target_link_libraries(SSL INTERFACE OpenSSL::SSL)
add_library(CRYPTO IMPORTED INTERFACE)
target_link_libraries(CRYPTO INTERFACE OpenSSL::Crypto)
set(OPENSSL_CRYPTO_LIBRARY CRYPTO CACHE INTERNAL "" FORCE)
set(OPENSSL_SSL_LIBRARY SSL CACHE INTERNAL "" FORCE)
set(OPENSSL_LIBRARIES "${OPENSSL_SSL_LIBRARY}" "${OPENSSL_CRYPTO_LIBRARY}" "${CMAKE_DL_LIBS}" CACHE INTERNAL "" FORCE)
find_package_handle_standard_args(OpenSSL
FOUND_VAR
OPENSSL_FOUND
REQUIRED_VARS
OPENSSL_INCLUDE_DIR
OPENSSL_CRYPTO_LIBRARY
OPENSSL_SSL_LIBRARY
OPENSSL_LIBRARIES
VERSION_VAR
OPENSSL_VERSION_STRING)
find_package(OpenSSL REQUIRED QUIET)
endif()
endif()