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[WELCOME] Reduce Welcome's SUBSYSTEM requirements to WinNT 4 for x86 builds only, so that we can still show something in old NT OSes.

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Hermès Bélusca-Maïto 2018-05-20 21:59:40 +02:00
parent 55f9fee412
commit a0dae6094e
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23
base/setup/welcome/CMakeLists.txt
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@ -4,4 +4,27 @@ add_rc_deps(welcome.rc ${welcome_rc_deps})
add_executable(welcome welcome.c welcome.rc)
set_module_type(welcome win32gui UNICODE)
add_importlibs(welcome gdi32 user32 shell32 msvcrt kernel32 ntdll)
# Reduce the required subsystem to WinNT 4.0 for i386 builds only.
if(ARCH STREQUAL "i386")
if(MSVC)
# NOTE: We cannot use the following command:
# add_target_link_flags(welcome "/SUBSYSTEM:WINDOWS,4.00")
# because it would act at the level of the LINK.EXE linker flags,
# which only accepts a subsystem version >= 5.10 (Windows XP+) on
# latest MSVC versions.
# So to work around this problem, we use a post-build command by
# employing EDITBIN.EXE that does not check the subsystem version.
#
add_custom_command(
TARGET welcome POST_BUILD
COMMAND editbin.exe /NOLOGO /SUBSYSTEM:WINDOWS,4.00 $<TARGET_FILE:welcome>
VERBATIM)
else()
# The binutils linker does not set a lower limit on the subsystem.
# Otherwise we would use: objcopy --subsystem windows:4.00 $<TARGET_FILE:welcome>
add_target_link_flags(welcome "-Wl,--subsystem,windows:4.00")
endif()
endif()
add_cd_file(TARGET welcome DESTINATION reactos NO_CAB FOR bootcd)