update doc, and use cmake-gen-exp for debug suffix

Co-authored-by: Tobias Ribizel <ribizel@kit.edu>

CMakeLists.txt

@@ -346,10 +346,12 @@ if(GINKGO_BUILD_DOC)
 endif()
 
 
-# add escape character '\' and convert the list to string
+# add escape character '\' for space
 string(REPLACE " " "\ " PKG_CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+# add escape character '\' for space in regex mode
 list(TRANSFORM GINKGO_INTERFACE_LINK_FLAGS REPLACE " " "\\\\ ")
 list(TRANSFORM GINKGO_INTERFACE_CXX_FLAGS REPLACE " " "\\\\ ")
+# convert the list to string
 string(REPLACE ";" " " GINKGO_INTERFACE_CXX_FLAGS "${GINKGO_INTERFACE_CXX_FLAGS}")
 string(REPLACE ";" " " GINKGO_INTERFACE_LINK_FLAGS "${GINKGO_INTERFACE_LINK_FLAGS}")
 configure_file(${Ginkgo_SOURCE_DIR}/cmake/ginkgo.pc.in

cmake/information_helpers.cmake

@@ -25,10 +25,7 @@ macro(ginkgo_interface_libraries_recursively INTERFACE_LIBS)
     foreach(_libs ${INTERFACE_LIBS})
         if (TARGET ${_libs})
             if("${_libs}" MATCHES "ginkgo.*")
-                set(GINKGO_INTERFACE_LIB_NAME "-l${_libs}")
-                if(upper_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
-                    set(GINKGO_INTERFACE_LIB_NAME "${GINKGO_INTERFACE_LIB_NAME}${CMAKE_DEBUG_POSTFIX}")
-                endif()
+                set(GINKGO_INTERFACE_LIB_NAME "-l${_libs}$<$<CONFIG:Debug>:${CMAKE_DEBUG_POSTFIX}>")
                 list(APPEND GINKGO_INTERFACE_LIBS_FOUND "${GINKGO_INTERFACE_LIB_NAME}")
             endif()
             # Get the link flags and treat them
@@ -81,12 +78,7 @@ macro(ginkgo_interface_information)
     unset(GINKGO_INTERFACE_LIBS_FOUND)
     unset(GINKGO_INTERFACE_CFLAGS_FOUND)
     # Prepare recursively populated library list
-    string(TOUPPER "${CMAKE_BUILD_TYPE}" upper_CMAKE_BUILD_TYPE)
-    if (upper_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
-        list(APPEND GINKGO_INTERFACE_LIBS_FOUND "-lginkgo${CMAKE_DEBUG_POSTFIX}")
-    else()
-        list(APPEND GINKGO_INTERFACE_LIBS_FOUND "-lginkgo")
-    endif()
+    list(APPEND GINKGO_INTERFACE_LIBS_FOUND "-lginkgo$<$<CONFIG:Debug>:${CMAKE_DEBUG_POSTFIX}>")
     # Prepare recursively populated include directory list
     list(APPEND GINKGO_INTERFACE_CFLAGS_FOUND
         "-I${CMAKE_INSTALL_PREFIX}/${GINKGO_INSTALL_INCLUDE_DIR}")