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cmake: Use correct link option for gcc ld in MinGW.

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While MSVC needs to specify entry as `wWinMainCRTStartup`, MinGW
needs `-municode`. MinGW used to not support `wWinMain`, but recently it
finally adds support for that.

The support for clang is more complicated. This code was tested on MinGW
clang, provided by MSYS2 clang64, and it worked successfully. Further
investigation may be needed.

Signed-off-by: Yuyi Wang <Strawberry_Str@hotmail.com>
This commit is contained in:
Yuyi Wang
2021-10-14 16:21:40 +08:00
parent 05d80adb77
commit ca360a2f2d
1 changed files with 7 additions and 1 deletions
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8
contrib/buildsystems/CMakeLists.txt
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@@ -726,7 +726,13 @@ if(WIN32)
endif()
add_executable(headless-git ${CMAKE_SOURCE_DIR}/compat/win32/headless.c)
target_link_options(headless-git PUBLIC /NOLOGO /ENTRY:wWinMainCRTStartup /SUBSYSTEM:WINDOWS)
if(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
target_link_options(headless-git PUBLIC -municode -Wl,-subsystem,windows)
elseif(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
target_link_options(headless-git PUBLIC /NOLOGO /ENTRY:wWinMainCRTStartup /SUBSYSTEM:WINDOWS)
else()
message(FATAL_ERROR "Unhandled compiler: ${CMAKE_C_COMPILER_ID}")
endif()
elseif(UNIX)
target_link_libraries(common-main pthread rt)
endif()