Make OpenSSL an optional dependency for tests

.github/workflows/build.yml

@@ -541,6 +541,48 @@ jobs:
           cd ../boost-root/__build__
           ctest --output-on-failure --no-tests=error
 
+  posix-cmake-test-no-openssl:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+
+      - name: Configure
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=$LIBRARY -DBUILD_TESTING=ON -DCMAKE_DISABLE_FIND_PACKAGE_OpenSSL=TRUE ..
+
+      - name: Build tests
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests -j $(nproc)
+
+      - name: Run tests
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error
+
   windows-cmake-subdir:
     strategy:
       fail-fast: false

test/CMakeLists.txt

@@ -8,19 +8,19 @@
 # Official repository: https://github.com/boostorg/beast
 #
 
-if(BOOST_BEAST_IS_ROOT)
+if (BOOST_BEAST_IS_ROOT)
     set(EXCLUDE_TESTS_FROM_ALL)
-else()
+else ()
     set(EXCLUDE_TESTS_FROM_ALL EXCLUDE_FROM_ALL)
-endif()
+endif ()
 
-if(NOT TARGET tests)
+if (NOT TARGET tests)
     add_custom_target(tests ${EXCLUDE_TESTS_FROM_ALL})
     set_property(TARGET tests PROPERTY FOLDER Dependencies)
-endif()
+endif ()
 
 find_package(Threads REQUIRED)
-find_package(OpenSSL REQUIRED)
+find_package(OpenSSL)
 
 # boost_beast_lib_asio
 add_library(boost_beast_lib_asio STATIC lib_asio.cpp)
@@ -35,12 +35,14 @@ target_compile_definitions(boost_beast_lib_asio PUBLIC
 target_link_libraries(boost_beast_lib_asio PUBLIC Boost::asio Threads::Threads)
 set_target_properties(boost_beast_lib_asio PROPERTIES FOLDER "static-libs")
 
-# boost_beast_lib_asio_ssl
-add_library(boost_beast_lib_asio_ssl STATIC lib_asio_ssl.cpp)
-source_group("" FILES boost_beast_lib_asio_ssl.cpp)
-target_link_libraries(boost_beast_lib_asio_ssl PUBLIC boost_beast_lib_asio)
-target_link_libraries(boost_beast_lib_asio_ssl PUBLIC OpenSSL::SSL OpenSSL::Crypto)
-set_target_properties(boost_beast_lib_asio_ssl PROPERTIES FOLDER "static-libs")
+if (OPENSSL_FOUND)
+    # boost_beast_lib_asio_ssl
+    add_library(boost_beast_lib_asio_ssl STATIC lib_asio_ssl.cpp)
+    source_group("" FILES boost_beast_lib_asio_ssl.cpp)
+    target_link_libraries(boost_beast_lib_asio_ssl PUBLIC boost_beast_lib_asio)
+    target_link_libraries(boost_beast_lib_asio_ssl PUBLIC OpenSSL::SSL OpenSSL::Crypto)
+    set_target_properties(boost_beast_lib_asio_ssl PROPERTIES FOLDER "static-libs")
+endif ()
 
 # boost_beast_lib_beast
 add_library(boost_beast_lib_beast STATIC lib_beast.cpp)

test/beast/CMakeLists.txt

@@ -15,6 +15,10 @@ add_subdirectory(ssl)
 add_subdirectory(websocket)
 add_subdirectory(zlib)
 
+if (NOT TARGET boost_beast_lib_asio_ssl)
+    return()
+endif ()
+
 add_executable(boost_beast_tests_self_contained
     Jamfile
     core.cpp

test/beast/_experimental/CMakeLists.txt

@@ -8,6 +8,10 @@
 # Official repository: https://github.com/boostorg/beast
 #
 
+if (NOT TARGET boost_beast_lib_asio_ssl)
+    return()
+endif ()
+
 add_executable(boost_beast_tests__experimental
     Jamfile
     _test_detail_stream_state.cpp

test/beast/ssl/CMakeLists.txt

@@ -7,6 +7,10 @@
 # Official repository: https://github.com/boostorg/beast
 #
 
+if (NOT TARGET boost_beast_lib_asio_ssl)
+    return()
+endif ()
+
 add_executable (boost_beast_tests_ssl
     Jamfile
     ssl_stream.cpp)

test/beast/websocket/CMakeLists.txt

@@ -8,6 +8,10 @@
 # Official repository: https://github.com/boostorg/beast
 #
 
+if (NOT TARGET boost_beast_lib_asio_ssl)
+    return()
+endif ()
+
 file(GLOB_RECURSE PFILES CONFIGURE_DEPENDS Jamfile *.cpp *.hpp)
 
 add_executable(boost_beast_tests_websocket ${PFILES})

test/doc/CMakeLists.txt

@@ -8,6 +8,10 @@
 # Official repository: https://github.com/boostorg/beast
 #
 
+if (NOT TARGET boost_beast_lib_asio_ssl)
+    return()
+endif ()
+
 file(GLOB_RECURSE PFILES CONFIGURE_DEPENDS Jamfile *.cpp *.ipp *.hpp)
 
 add_executable(boost_beast_tests_doc ${PFILES})

test/example/common/CMakeLists.txt

@@ -8,6 +8,10 @@
 # Official repository: https://github.com/boostorg/beast
 #
 
+if (NOT TARGET boost_beast_lib_asio_ssl)
+    return()
+endif ()
+
 add_executable(boost_beast_tests_example_common
     Jamfile
     root_certificates.cpp