Added temporary workaround until CMA-ES/libcmaes#238 is fixed

Author: Philipp Basler

tools/cmake/CMAES.cmake

@@ -1,6 +1,9 @@
 find_package(OpenMP REQUIRED)
 find_package(libcmaes 0.10 QUIET)
   if(NOT libcmaes_FOUND)
+    set(BSMPT_CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+    set(BSMPT_CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
+    set(BSMPT_CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
     set(EXPORT_CMAES TRUE)
     FetchContent_Declare(
       libcmaes
@@ -21,6 +24,23 @@ find_package(libcmaes 0.10 QUIET)
         "${libcmaes_SOURCE_DIR}/*"
         )
     endif()
+
+    ## WORKAROUND for https://github.com/phbasler/BSMPT/issues/72 until the PR is fixed
+    string(REPLACE " " ";" REPLACED_FLAGS ${BSMPT_CMAKE_CXX_FLAGS})
+    string(REPLACE " " ";" REPLACED_FLAGS_RELEASE ${BSMPT_CMAKE_CXX_FLAGS_RELEASE})
+    string(REPLACE " " ";" REPLACED_FLAGS_DEBUG ${BSMPT_CMAKE_CXX_FLAGS_DEBUG})
+    target_compile_options(cmaes PUBLIC ${REPLACED_FLAGS})
+    if(CMAKE_BUILD_TYPE MATCHES RELEASE)
+      target_compile_options(cmaes PUBLIC ${REPLACED_FLAGS_RELEASE})
+    endif()
+    if(CMAKE_BUILD_TYPE MATCHES DEBUG)
+      target_compile_options(cmaes PUBLIC ${REPLACED_FLAGS_DEBUG})
+    endif()
+    set(CMAKE_CXX_FLAGS "${BSMPT_CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
+    set(CMAKE_CXX_FLAGS_DEBUG "${BSMPT_CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_DEBUG}")
+    set(CMAKE_CXX_FLAGS_RELEASE "${BSMPT_CMAKE_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS_RELEASE}")
+    ## WORKAROUND end
+
     set(libcmaes_FOUND TRUE)
   else()
     set(CodeCoverageExcludesFromOtherPkgs