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Improve MSVC cmake and update vcpkg instruction (#10407)

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Remove unnecessary compiler flag for clang-cl
Update vcpkg instruction in README.md
This commit is contained in:
k.h.lai 2020-09-30 01:39:53 +08:00 committed by GitHub
parent d3e327a853
commit 995d405261
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2 changed files with 19 additions and 12 deletions
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5
README.md
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@ -314,13 +314,14 @@ It is highly recommended to use vcpkg as package manager.
After you successfully built vcpkg you can easily install the required libraries:
```powershell
vcpkg install irrlicht zlib curl[winssl] openal-soft libvorbis libogg sqlite3 freetype luajit --triplet x64-windows
vcpkg install irrlicht zlib curl[winssl] openal-soft libvorbis libogg sqlite3 freetype luajit gmp jsoncpp --triplet x64-windows
```
- `curl` is optional, but required to read the serverlist, `curl[winssl]` is required to use the content store.
- `openal-soft`, `libvorbis` and `libogg` are optional, but required to use sound.
- `freetype` is optional, it allows true-type font rendering.
- `luajit` is optional, it replaces the integrated Lua interpreter with a faster just-in-time interpreter.
- `gmp` and `jsoncpp` are optional, otherwise the bundled versions will be compiled
There are other optional libraries, but they are not tested if they can build and link correctly.
@ -353,7 +354,7 @@ This is outdated and not recommended. Follow the instructions on https://dev.min
Run the following script in PowerShell:
```powershell
cmake . -G"Visual Studio 15 2017 Win64" -DCMAKE_TOOLCHAIN_FILE=D:/vcpkg/scripts/buildsystems/vcpkg.cmake -DCMAKE_BUILD_TYPE=Release -DENABLE_GETTEXT=0 -DENABLE_CURSES=0
cmake . -G"Visual Studio 15 2017 Win64" -DCMAKE_TOOLCHAIN_FILE=D:/vcpkg/scripts/buildsystems/vcpkg.cmake -DCMAKE_BUILD_TYPE=Release -DENABLE_GETTEXT=OFF -DENABLE_CURSES=OFF -DENABLE_SYSTEM_JSONCPP=ON
cmake --build . --config Release
```
Make sure that the right compiler is selected and the path to the vcpkg toolchain is correct.

26
src/CMakeLists.txt
View File

@ -701,21 +701,14 @@ include(CheckCSourceCompiles)
if(MSVC)
# Visual Studio
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D WIN32_LEAN_AND_MEAN /MP")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D WIN32_LEAN_AND_MEAN")
# EHa enables SEH exceptions (used for catching segfaults)
set(CMAKE_CXX_FLAGS_RELEASE "/EHa /Ox /GL /FD /MD /GS- /Zi /fp:fast /D NDEBUG /D _HAS_ITERATOR_DEBUGGING=0 /TP")
set(CMAKE_CXX_FLAGS_RELEASE "/EHa /Ox /MD /GS- /Zi /fp:fast /D NDEBUG /D _HAS_ITERATOR_DEBUGGING=0")
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /arch:SSE")
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/INCREMENTAL:NO /DEBUG /OPT:REF /OPT:ICF")
else()
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/LTCG /INCREMENTAL:NO /DEBUG /OPT:REF /OPT:ICF")
endif()
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/INCREMENTAL:NO /DEBUG /OPT:REF /OPT:ICF /SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup")
set(CMAKE_CXX_FLAGS_SEMIDEBUG "/MDd /Zi /Ob0 /O1 /RTC1")
@ -726,6 +719,19 @@ if(MSVC)
# Flags for C files (sqlite)
# /MD = dynamically link to MSVCRxxx.dll
set(CMAKE_C_FLAGS_RELEASE "/O2 /Ob2 /MD")
# Flags that cannot be shared between cl and clang-cl
# https://clang.llvm.org/docs/UsersManual.html#clang-cl
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-ld=lld")
# Disable pragma-pack warning
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wno-pragma-pack")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /TP /FD /GL")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG")
endif()
else()
# GCC or compatible compilers such as Clang
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")