Files
c_cpp_boilerplate/cmake/FetchOpenSSL.cmake

111 lines
4.5 KiB
CMake

include(ExternalProject)
include(FetchContent)
set(OPENSSL_DESIRED_BRANCH "openssl-3.4")
set(OPENSSL_BUILD_DIR ${FETCHCONTENT_BASE_DIR}/openssl-build)
find_program(MAKE NAMES make gmake nmake REQUIRED)
find_program(AUTORECONF NAMES autoreconf REQUIRED)
if(CMAKE_CROSSCOMPILING)
set(OPENSSL_INSTALL_DIR ${CMAKE_SYSROOT})
set(SYSROOT_FLAG --sysroot=${CMAKE_SYSROOT})
else()
set(OPENSSL_INSTALL_DIR ${OPENSSL_BUILD_DIR})
set(SYSROOT_FLAG "")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
set(ENV{CFLAGS} -g3 -O0)
endif()
set(ENV{CC} "${CMAKE_C_COMPILER}")
set(ENV{CXX} "${CMAKE_CXX_COMPILER}")
set(ENV{LD} "${CMAKE_LINKER}")
# Configura flags de compilação se não passado
if(NOT DEFINED OPENSSL_CONFIGURE_FLAGS)
# Configura o target de acordo com o sistema (32-bit ou 64-bit)
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
message(STATUS "Detected 64-bit target system based on toolchain.")
set(OPENSSL_TARGET_CONFIG "linux-generic64" CACHE STRING "" FORCE)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
message(STATUS "Detected 32-bit target system based on toolchain.")
set(OPENSSL_TARGET_CONFIG "linux-generic32" CACHE STRING "" FORCE)
else()
message(FATAL_ERROR "Unknown target architecture: pointer size is neither 4 nor 8.")
endif()
set(OPENSSL_CONFIGURE_FLAGS
${OPENSSL_TARGET_CONFIG}
no-async
no-dso
no-hw
no-engine
no-unit-test
${SYSROOT_FLAG})
endif()
ExternalProject_Add(
openssl
GIT_REPOSITORY https://github.com/openssl/openssl.git
GIT_TAG ${OPENSSL_DESIRED_BRANCH}
GIT_SHALLOW TRUE
PREFIX ${FETCHCONTENT_BASE_DIR}
SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/openssl-src
BINARY_DIR ${OPENSSL_BUILD_DIR}
STAMP_DIR ${FETCHCONTENT_BASE_DIR}/openssl-subbuild/stamps
LOG_DIR ${FETCHCONTENT_BASE_DIR}/openssl-subbuild/logs
TMP_DIR ${FETCHCONTENT_BASE_DIR}/openssl-subbuild/tmp
CONFIGURE_COMMAND
cd ${FETCHCONTENT_BASE_DIR}/openssl-src && ./Configure ${OPENSSL_CONFIGURE_FLAGS} --prefix=${OPENSSL_INSTALL_DIR}
--openssldir=${OPENSSL_SOURCE_DIR}
BUILD_COMMAND ${MAKE} -C ${FETCHCONTENT_BASE_DIR}/openssl-src
INSTALL_COMMAND ${MAKE} -C ${FETCHCONTENT_BASE_DIR}/openssl-src install_sw
UPDATE_COMMAND "")
file(MAKE_DIRECTORY ${OPENSSL_INSTALL_DIR}/include/ ${OPENSSL_INSTALL_DIR}/lib/)
if(OPENSSL_USE_STATIC_LIBS)
add_library(OpenSSL::SSL STATIC IMPORTED)
set_target_properties(OpenSSL::SSL PROPERTIES IMPORTED_LOCATION ${OPENSSL_INSTALL_DIR}/lib/libssl.a
INTERFACE_INCLUDE_DIRECTORIES ${OPENSSL_INSTALL_DIR}/include)
add_library(OpenSSL::Crypto STATIC IMPORTED)
set_target_properties(OpenSSL::Crypto PROPERTIES IMPORTED_LOCATION ${OPENSSL_INSTALL_DIR}/lib/libcrypto.a
INTERFACE_INCLUDE_DIRECTORIES ${OPENSSL_INSTALL_DIR}/include)
set(OPENSSL_CRYPTO_LIBRARY ${OPENSSL_INSTALL_DIR}/lib/libcrypto.a)
set(OPENSSL_SSL_LIBRARY ${OPENSSL_INSTALL_DIR}/lib/libssl.a)
else()
# Se for dinâmico (compartilhado)
add_library(OpenSSL::SSL SHARED IMPORTED)
set_target_properties(OpenSSL::SSL PROPERTIES IMPORTED_LOCATION ${OPENSSL_INSTALL_DIR}/lib/libssl.so
INTERFACE_INCLUDE_DIRECTORIES ${OPENSSL_INSTALL_DIR}/include)
add_library(OpenSSL::Crypto SHARED IMPORTED)
set_target_properties(OpenSSL::Crypto PROPERTIES IMPORTED_LOCATION ${OPENSSL_INSTALL_DIR}/lib/libcrypto.so
INTERFACE_INCLUDE_DIRECTORIES ${OPENSSL_INSTALL_DIR}/include)
set(OPENSSL_CRYPTO_LIBRARY ${OPENSSL_INSTALL_DIR}/lib/libcrypto.so)
set(OPENSSL_SSL_LIBRARY ${OPENSSL_INSTALL_DIR}/lib/libssl.so)
endif()
# Adiciona dependências para garantir que as bibliotecas sejam compiladas antes
# do uso
add_dependencies(OpenSSL::SSL openssl)
add_dependencies(OpenSSL::Crypto openssl)
# Configura variáveis para que outros targets possam usar as bibliotecas do
# OpenSSL
set(OPENSSL_ROOT_DIR ${OPENSSL_INSTALL_DIR})
set(OPENSSL_INCLUDE_DIR ${OPENSSL_INSTALL_DIR}/include)
set(OPENSSL_LIBRARIES OpenSSL::SSL OpenSSL::Crypto)
# Strip out the "OpenSSL_" part and replace underscores with periods
string(REGEX REPLACE "^OpenSSL_" "" OPENSSL_FETCHED_VERSION "${OPENSSL_DESIRED_BRANCH}")
string(REPLACE "_" "." OPENSSL_FETCHED_VERSION "${OPENSSL_FETCHED_VERSION}")
string(REGEX REPLACE "[^0-9.]$" "" OPENSSL_FETCHED_VERSION "${OPENSSL_FETCHED_VERSION}")
set(OPENSSL_VERSION "${OPENSSL_FETCHED_VERSION}")
file(MAKE_DIRECTORY ${OPENSSL_INSTALL_DIR}/lib/ ${OPENSSL_INSTALL_DIR}/include/)