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32-bit Windows x86: reinstate subsystem version of 5.01.

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This went missing in the migration to CMake, and broke compatibility
of the standard 32-bit builds with Windows XP. (Of course, the
'buildold' versions should still have run.)

There doesn't seem to be a convenient CMake option to configure it
cleanly, so I had to do a bodgy string-replace on the variable
containing the linker flags, which I found by source-diving in CMake.
That's fragile enough that I've also put in a check after the fact, so
that we'll find out if it ever stops working.
This commit is contained in:
Simon Tatham
2022-09-11 14:49:16 +01:00
parent 1489528a1f
commit f8165649a1
2 changed files with 20 additions and 1 deletions
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@ -172,11 +172,21 @@ mkdir putty/windows/abuild64
#
# For the 32-bit ones, we set a subsystem version of 5.01, which
# allows the resulting files to still run on Windows XP.
in putty/windows/build32 with cmake_at_least_3.20 do cmake ../.. -DCMAKE_TOOLCHAIN_FILE=$(cmake_toolchain_clangcl32) -DCMAKE_BUILD_TYPE=Release -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DPUTTY_LINK_MAPS=ON -DCMAKE_C_FLAGS_RELEASE="/MT /O2" -DSTRICT=ON
in putty/windows/build32 with cmake_at_least_3.20 do cmake ../.. -DCMAKE_TOOLCHAIN_FILE=$(cmake_toolchain_clangcl32) -DCMAKE_BUILD_TYPE=Release -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DPUTTY_LINK_MAPS=ON -DCMAKE_C_FLAGS_RELEASE="/MT /O2" -DPUTTY_SUBSYSTEM_VERSION=5.01 -DSTRICT=ON
in putty/windows/build32 with cmake_at_least_3.20 do make -j$(nproc) VERBOSE=1
in putty/windows/build64 with cmake_at_least_3.20 do cmake ../.. -DCMAKE_TOOLCHAIN_FILE=$(cmake_toolchain_clangcl64) -DCMAKE_BUILD_TYPE=Release -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DPUTTY_LINK_MAPS=ON -DCMAKE_C_FLAGS_RELEASE="/MT /O2" -DSTRICT=ON
in putty/windows/build64 with cmake_at_least_3.20 do make -j$(nproc) VERBOSE=1
# The cmake mechanism used to set the subsystem version is a bit of a
# bodge (it depends on knowing how cmake set up all its build command
# variables), so just in case it breaks in future, double-check we
# really did get the subsystem version we wanted.
in putty/windows/build32 do objdump -x putty.exe > exe-headers.txt
in putty/windows/build32 do grep -Ex 'MajorOSystemVersion[[:space:]]+5' exe-headers.txt
in putty/windows/build32 do grep -Ex 'MinorOSystemVersion[[:space:]]+1' exe-headers.txt
in putty/windows/build32 do grep -Ex 'MajorSubsystemVersion[[:space:]]+5' exe-headers.txt
in putty/windows/build32 do grep -Ex 'MinorSubsystemVersion[[:space:]]+1' exe-headers.txt
# Build experimental Arm Windows binaries.
in putty/windows/abuild32 with cmake_at_least_3.20 do cmake ../.. -DCMAKE_TOOLCHAIN_FILE=$(cmake_toolchain_clangcl_a32) -DCMAKE_BUILD_TYPE=Release -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DPUTTY_LINK_MAPS=ON -DCMAKE_C_FLAGS_RELEASE="/MT /O2" -DSTRICT=ON
in putty/windows/abuild32 with cmake_at_least_3.20 do make -j$(nproc) VERBOSE=1