Using libressl instead of openssl

3rdParty/curl/CMakeLists.txt

@@ -25,16 +25,32 @@ endif ()
 function(LinkCurl TARGET)
     find_package(CURL QUIET)
     if (NOT ${CURL_FOUND})
-        set(CURL_DEPS_INSTALL ${CMAKE_BINARY_DIR}/deps_curl)
+        if (NOT DEFINED CURL_MIRROR_LINK)
-        target_include_directories(${TARGET} PRIVATE ${CURL_DEPS_INSTALL}/INSTALL/include)
+            set(CURL_MIRROR_LINK https://curl.se/download/curl-7.78.0.tar.gz)
-        target_link_directories(${TARGET} PRIVATE ${CURL_DEPS_INSTALL}/INSTALL/lib)
-        if (MSVC)
-            target_link_libraries(${TARGET} PRIVATE libcrypto.lib libssl.lib libcurl_imp.lib)
-        elseif (APPLE)
-            target_link_libraries(${TARGET} PRIVATE curl)
-        else ()
-            target_link_libraries(${TARGET} PRIVATE crypto ssl curl)
         endif ()
+        if (NOT DEFINED LIBRESSL_MIRROR_LINK)
+            set(LIBRESSL_MIRROR_LINK https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2.tar.gz)
+        endif ()
+
+        FetchContent_Declare(
+            libressl
+            URL ${LIBRESSL_MIRROR_LINK}
+        )
+        FetchContent_MakeAvailable(libressl)
+
+        FetchContent_Declare(
+            curl
+            URL ${CURL_MIRROR_LINK}
+        )
+        FetchContent_GetProperties(curl)
+        if(NOT curl_POPULATED)
+            set(CURL_USE_LIBRESSL ON CACHE BOOL "Use LibreSSL instead of OpenSSL" FORCE)
+            FetchContent_Populate(curl)
+            add_subdirectory(${curl_SOURCE_DIR} ${curl_BINARY_DIR})
+
+            set(OPENSSL_ROOT_DIR ${libressl_SOURCE_DIR})
+            set(OPENSSL_LIBRARIES ${libressl_BINARY_DIR})
+        endif()
     else ()
         target_include_directories(${TARGET} PRIVATE ${CURL_INCLUDE_DIR})
         target_link_libraries(${TARGET} PRIVATE CURL::libcurl)

3rdParty/curl/ext/CMakeLists.txt

@@ -1,133 +1,2 @@
 cmake_minimum_required(VERSION 3.16)
-project(build_curl)
+project(build_curl)
-include(ExternalProject)
-include(FetchContent)
-
-if (NOT DEFINED CURL_REPO OR CURL_REPO STREQUAL "")
-    set(CURL_REPO https://github.com/curl/curl.git)
-endif ()
-if (NOT DEFINED OPENSSL_REPO OR OPENSSL_REPO STREQUAL "")
-    set(OPENSSL_REPO https://github.com/openssl/openssl.git)
-endif ()
-
-set(OPENSSL_SOURCE_DIR ${CMAKE_BINARY_DIR}/deps_curl/openssl-src)
-set(OPENSSL_INSTALL_DIR ${CMAKE_BINARY_DIR}/INSTALL)
-set(OPENSSL_INCLUDE_DIR ${OPENSSL_INSTALL_DIR}/include)
-set(OPENSSL_TAG OpenSSL_1_1_1n)
-set(OPENSSL_USE_STATIC_LIBS TRUE)
-
-find_program(PERL_EXECUTABLE perl)
-if (NOT PERL_EXECUTABLE)
-    message(FATAL_ERROR "Perl not found. Please install Perl to configure OpenSSL.")
-endif()
-
-if (MSVC)
-    set(OPENSSL_PERL_CONFIGURE_COMMAND ${OPENSSL_SOURCE_DIR}/src/openssl/Configure VC-WIN64A)
-    set(OPENSSL_MAKE_COMMAND nmake)
-else ()
-    set(OPENSSL_PERL_CONFIGURE_COMMAND ${OPENSSL_SOURCE_DIR}/src/OpenSSL/config --static -static -fPIC)
-    set(OPENSSL_MAKE_COMMAND make)
-endif ()
-
-set(CURL_GIT_TAG curl-8_8_0)
-
-function(InstallOpenSSL)
-    ExternalProject_Add(
-            OpenSSL
-            PREFIX ${OPENSSL_SOURCE_DIR}
-            GIT_REPOSITORY ${OPENSSL_REPO}
-            GIT_TAG ${OPENSSL_TAG}
-            GIT_SHALLOW TRUE
-            CONFIGURE_COMMAND ${PERL_EXECUTABLE} ${OPENSSL_PERL_CONFIGURE_COMMAND} --prefix=${OPENSSL_INSTALL_DIR} --openssldir=${OPENSSL_INSTALL_DIR} no-shared no-tests
-            BUILD_COMMAND ${OPENSSL_MAKE_COMMAND}
-            INSTALL_COMMAND ${OPENSSL_MAKE_COMMAND} install
-            INSTALL_DIR ${OPENSSL_INSTALL_DIR}
-            USES_TERMINAL_DOWNLOAD TRUE
-            USES_TERMINAL_CONFIGURE TRUE
-            USES_TERMINAL_BUILD TRUE
-            USES_TERMINAL_INSTALL TRUE
-        )
-endfunction()
-
-function(InstallCurl DEPENDENCY_TARGETS OPENSSL_ROOT_DIR)
-    ExternalProject_Add(
-        curl
-        DEPENDS ${DEPENDENCY_TARGETS}
-        GIT_REPOSITORY ${CURL_REPO}
-        GIT_TAG ${CURL_GIT_TAG}
-        GIT_SHALLOW TRUE
-        SOURCE_DIR ${CMAKE_BINARY_DIR}/curl
-        BINARY_DIR ${CMAKE_BINARY_DIR}/curl-build
-        CMAKE_GENERATOR ${CMAKE_GENERATOR}
-        CMAKE_ARGS
-            -DCMAKE_TOOLCHAIN_FILE:FILEPATH=${TOOLCHAIN_FILE}
-            -DCMAKE_BUILD_TYPE:STRING=Release
-            -DCURL_USE_OPENSSL:BOOL=ON
-            -DOPENSSL_ROOT_DIR=${OPENSSL_ROOT_DIR}
-            -DOPENSSL_INCLUDE_DIR=${OPENSSL_INCLUDE_DIR}
-            -DCMAKE_PREFIX_PATH=${CMAKE_BINARY_DIR}/INSTALL
-            -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_BINARY_DIR}/INSTALL
-        BUILD_COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}/curl-build --config Release
-        INSTALL_COMMAND ${CMAKE_COMMAND} --install ${CMAKE_BINARY_DIR}/curl-build --config Release
-        USES_TERMINAL_DOWNLOAD TRUE
-        USES_TERMINAL_CONFIGURE TRUE
-        USES_TERMINAL_BUILD TRUE
-        USES_TERMINAL_INSTALL TRUE
-    )
-endfunction()
-
-if (APPLE)
-    ExternalProject_Add(
-        curl
-        GIT_REPOSITORY ${CURL_REPO}
-        GIT_TAG ${CURL_GIT_TAG}
-        GIT_SHALLOW TRUE
-        SOURCE_DIR ${CMAKE_BINARY_DIR}/curl
-        BINARY_DIR ${CMAKE_BINARY_DIR}/curl-build
-        CMAKE_GENERATOR ${CMAKE_GENERATOR}
-        CMAKE_ARGS
-            -DCMAKE_TOOLCHAIN_FILE:FILEPATH=${TOOLCHAIN_FILE}
-            -DCMAKE_BUILD_TYPE:STRING=Release
-            -DCURL_USE_OPENSSL:BOOL=OFF
-            -DBUILD_SHARED_LIBS:BOOL=OFF
-            -DBUILD_STATIC_LIBS:BOOL=OFF
-            -DBUILD_CURL_EXE:BOOL=OFF
-            -DCMAKE_PREFIX_PATH=${CMAKE_BINARY_DIR}/INSTALL
-            -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_BINARY_DIR}/INSTALL
-        BUILD_COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}/curl-build --config Release
-        INSTALL_COMMAND ${CMAKE_COMMAND} --install ${CMAKE_BINARY_DIR}/curl-build --config Release
-        USES_TERMINAL_DOWNLOAD TRUE
-        USES_TERMINAL_CONFIGURE TRUE
-        USES_TERMINAL_BUILD TRUE
-        USES_TERMINAL_INSTALL TRUE
-    )
-elseif (WIN32)
-
-    set(CURL_DEPDENDENCY_TARGETS "")
-    set(OPENSSL_ROOT_DIR ${OPENSSL_INSTALL_DIR})
-    list(APPEND CMAKE_PREFIX_PATH ${OPENSSL_INSTALL_DIR})
-    
-    find_package(OpenSSL QUIET)
-    if(NOT OpenSSL_FOUND)
-        message("OpenSSL not found. Building OpenSSL from sources...")
-        set(CURL_DEPDENDENCY_TARGETS OpenSSL)
-        InstallOpenSSL()
-    else ()
-        set(CURL_DEPDENDENCY_TARGETS OpenSSL::SSL OpenSSL::Crypto)
-        message("OpenSSL is already built. Root directory is ${OPENSSL_ROOT_DIR}, include directory is ${OPENSSL_INCLUDE_DIR}")
-    endif()
-
-    find_package(CURL QUIET)
-    if (NOT CURL_FOUND)
-        message("CURL not found. Building CURL from sources...")
-        # set(BUILD_SHARED_LIBS OFF) set(BUILD_STATIC_LIBS ON)
-        InstallCurl(${CURL_DEPDENDENCY_TARGETS} ${OPENSSL_ROOT_DIR})
-    else ()
-        message("CURL is already built")
-    endif ()
-else ()
-    InstallOpenSSL()
-    ExternalProject_Get_Property(OpenSSL INSTALL_DIR)
-    set(OPENSSL_ROOT_DIR ${INSTALL_DIR})
-    InstallCurl(OpenSSL ${OPENSSL_ROOT_DIR})
-endif ()