Buildsystem: Initial changes to support building with vs clang toolset

(cherry picked from commit 4a3a178d7fe9d2d7e8fde2fe915cf5cec5223502)

12 files changed, 26 insertions, 27 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dda8f242feb..01d785ca855 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,11 @@ project(TrinityCore)
 cmake_policy(SET CMP0005 OLD)
 if(POLICY CMP0043)
   cmake_policy(SET CMP0043 OLD) # Disable 'Ignore COMPILE_DEFINITIONS_<Config> properties'
-endif(POLICY CMP0043)
+endif()
+
+if(POLICY CMP0054)
+  cmake_policy(SET CMP0054 NEW) # Only interpret if() arguments as variables or keywords when unquoted - prevents intepreting if (SOME_STRING_VARIABLE MATCHES "MSVC") as if (SOME_STRING_VARIABLE MATCHES "1")
+endif()
 
 # add this options before PROJECT keyword
 set(CMAKE_DISABLE_SOURCE_CHANGES ON)
diff --git a/cmake/compiler/msvc/settings.cmake b/cmake/compiler/msvc/settings.cmake
index c2eda80512b..f9a89f72076 100644
--- a/cmake/compiler/msvc/settings.cmake
+++ b/cmake/compiler/msvc/settings.cmake
@@ -31,7 +31,11 @@ else()
 endif()
 
 # Set build-directive (used in core to tell which buildtype we used)
-add_definitions(-D_BUILD_DIRECTIVE=\\"$(ConfigurationName)\\")
+if(CMAKE_MAKE_PROGRAM MATCHES "nmake")
+  add_definitions(-D_BUILD_DIRECTIVE=\\"${CMAKE_BUILD_TYPE}\\")
+else()
+  add_definitions(-D_BUILD_DIRECTIVE=\\"$(ConfigurationName)\\")
+endif()
 
 # multithreaded compiling on VS
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
diff --git a/cmake/macros/FindPCHSupport.cmake b/cmake/macros/FindPCHSupport.cmake
index 6edc8e92890..9cc39a13b04 100644
--- a/cmake/macros/FindPCHSupport.cmake
+++ b/cmake/macros/FindPCHSupport.cmake
@@ -143,7 +143,7 @@ FUNCTION(ADD_CXX_PCH_XCODE TARGET_NAME_LIST PCH_HEADER PCH_SOURCE)
 ENDFUNCTION(ADD_CXX_PCH_XCODE)
 
 FUNCTION(ADD_CXX_PCH TARGET_NAME_LIST PCH_HEADER PCH_SOURCE)
-  IF (MSVC)
+  IF (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
     ADD_CXX_PCH_MSVC("${TARGET_NAME_LIST}" ${PCH_HEADER} ${PCH_SOURCE})
   ELSEIF ("${CMAKE_GENERATOR}" MATCHES "Xcode")
     ADD_CXX_PCH_XCODE("${TARGET_NAME_LIST}" ${PCH_HEADER} ${PCH_SOURCE})
diff --git a/cmake/platform/win/settings.cmake b/cmake/platform/win/settings.cmake
index da66daf0832..0c1a103304a 100644
--- a/cmake/platform/win/settings.cmake
+++ b/cmake/platform/win/settings.cmake
@@ -1,20 +1,9 @@
-# check the CMake preload parameters (commented out by default)
+add_definitions(-D_WIN32_WINNT=0x0601)
 
-# overload CMAKE_INSTALL_PREFIX if not being set properly
-#if( WIN32 )
-#  if( NOT CYGWIN )
-#    if( NOT CMAKE_INSTALL_PREFIX )
-#      set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/bin")
-#    endif()
-#  endif()
-#endif()
-
-if (WIN32)
-  add_definitions(-D_WIN32_WINNT=0x0601)
-endif()
-
-if ( MSVC )
+if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
   include(${CMAKE_SOURCE_DIR}/cmake/compiler/msvc/settings.cmake)
-elseif ( MINGW )
+elseif (CMAKE_CXX_PLATFORM_ID MATCHES "MinGW")
   include(${CMAKE_SOURCE_DIR}/cmake/compiler/mingw/settings.cmake)
+elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  include(${CMAKE_SOURCE_DIR}/cmake/compiler/clang/settings.cmake)
 endif()
diff --git a/dep/CMakeLists.txt b/dep/CMakeLists.txt
index 0932c7d4058..6c8fd09de28 100644
--- a/dep/CMakeLists.txt
+++ b/dep/CMakeLists.txt
@@ -8,7 +8,9 @@
 # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
-if( MSVC )
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+  string(REGEX REPLACE "/W[0-4] " "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+  string(REGEX REPLACE "/W[0-4] " "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
   add_definitions(/W0)
 else()
   add_definitions(-w)
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 4250df6d1f1..436620e2900 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -33,8 +33,8 @@ GroupSources(${CMAKE_CURRENT_SOURCE_DIR})
 add_definitions(-DTRINITY_API_EXPORT_COMMON)
 
 add_library(common
-  ${PRIVATE_SOURCES}
   ${PRIVATE_PCH_SOURCE}
+  ${PRIVATE_SOURCES}
 )
 
 # Do NOT add any extra include directory here, as we don't want the common
diff --git a/src/server/authserver/CMakeLists.txt b/src/server/authserver/CMakeLists.txt
index 1d40129ec1b..d1f0e4460e9 100644
--- a/src/server/authserver/CMakeLists.txt
+++ b/src/server/authserver/CMakeLists.txt
@@ -31,8 +31,8 @@ endif()
 GroupSources(${CMAKE_CURRENT_SOURCE_DIR})
 
 add_executable(authserver
-  ${PRIVATE_SOURCES}
   ${PRIVATE_PCH_SOURCE}
+  ${PRIVATE_SOURCES}
 )
 
 if( NOT WIN32 )
diff --git a/src/server/database/CMakeLists.txt b/src/server/database/CMakeLists.txt
index 06772cd5309..236586075ee 100644
--- a/src/server/database/CMakeLists.txt
+++ b/src/server/database/CMakeLists.txt
@@ -22,8 +22,8 @@ endif()
 GroupSources(${CMAKE_CURRENT_SOURCE_DIR})
 
 add_library(database
-  ${PRIVATE_SOURCES}
   ${PRIVATE_PCH_SOURCE}
+  ${PRIVATE_SOURCES}
 )
 
 # Do NOT add any extra include directory unless it does not create unneeded extra dependencies,
diff --git a/src/server/game/CMakeLists.txt b/src/server/game/CMakeLists.txt
index df0d2b7cc2a..60e86093f89 100644
--- a/src/server/game/CMakeLists.txt
+++ b/src/server/game/CMakeLists.txt
@@ -24,8 +24,8 @@ GroupSources(${CMAKE_CURRENT_SOURCE_DIR})
 add_definitions(-DTRINITY_API_EXPORT_GAME)
 
 add_library(game
-  ${PRIVATE_SOURCES}
   ${PRIVATE_PCH_SOURCE}
+  ${PRIVATE_SOURCES}
 )
 
 CollectIncludeDirectories(
diff --git a/src/server/scripts/CMakeLists.txt b/src/server/scripts/CMakeLists.txt
index d12c44c447c..8c0adc4c1e1 100644
--- a/src/server/scripts/CMakeLists.txt
+++ b/src/server/scripts/CMakeLists.txt
@@ -51,8 +51,8 @@ endif ()
 GroupSources(${CMAKE_CURRENT_SOURCE_DIR})
 
 add_library(scripts STATIC
-  ${PRIVATE_SOURCES}
   ${PRIVATE_PCH_SOURCE}
+  ${PRIVATE_SOURCES}
 )
 
 target_include_directories(scripts
diff --git a/src/server/shared/CMakeLists.txt b/src/server/shared/CMakeLists.txt
index 1ab340a4f3e..e99a81a084b 100644
--- a/src/server/shared/CMakeLists.txt
+++ b/src/server/shared/CMakeLists.txt
@@ -24,8 +24,8 @@ GroupSources(${CMAKE_CURRENT_SOURCE_DIR})
 add_definitions(-DTRINITY_API_EXPORT_SHARED)
 
 add_library(shared
-  ${PRIVATE_SOURCES}
   ${PRIVATE_PCH_SOURCE}
+  ${PRIVATE_SOURCES}
 )
 
 CollectIncludeDirectories(
diff --git a/src/server/worldserver/CMakeLists.txt b/src/server/worldserver/CMakeLists.txt
index 7fb4c6d2b75..7923b239854 100644
--- a/src/server/worldserver/CMakeLists.txt
+++ b/src/server/worldserver/CMakeLists.txt
@@ -29,8 +29,8 @@ endif()
 GroupSources(${CMAKE_CURRENT_SOURCE_DIR})
 
 add_executable(worldserver
-  ${PRIVATE_SOURCES}
   ${PRIVATE_PCH_SOURCE}
+  ${PRIVATE_SOURCES}
 )
 
 if( NOT WIN32 )