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This was lost in the mkfiles.pl->cmake transition (c19e7215dd). Without this, MinGW builds were providing format strings like %zu to a version of vsnprintf that didn't support them at runtime, so you'd get messages like "Pageant has zu SSH-2 keys". (-Wformat would have complained about the unknown %z format specifier, but even STRICT MinGW builds don't get those warnings, hm.) Now the runtime version understands %zu. I've reviewed the other compile-time definitions that were unique to the old Makefile.mgw, and decided not to reinstate any of them: WIN32S_COMPAT: leave it out. This came in inbd4b8c1285. Rationale from Joris van Rantwijk in email 2000-01-24: "Use -DWIN32S_COMPAT to avoid a linking error about SystemPowerStatus". But that problem was solved another way within 8 months, and WIN32S_COMPAT removed from the code, in76746a7d61, so this wart had been redundant since then. _NO_OLDNAMES: decided not to add anything back for this. This actually does nothing with the mingw-w64 fork (which seems to spell it NO_OLDNAMES), although current versions of original-mingw do also still spell it _NO_OLDNAMES. They both seem to be about suppressing a behaviour where a load of "non-ANSI" names like strdup get redirected to invoke _strdup in MS' libraries. Again, original rationale is from Joris van Rantwijk: "Compile and link with -mno-cygwin (and -D_NO_OLDNAMES) to get executables that don't need the Cygwin DLL file." Since I don't know of any behavioural differences that this causes (unlike vsnprintf/_vsnprintf), and it's not obviously causing trouble for me, continue to leave things in the default state.
13 lines
407 B
CMake
13 lines
407 B
CMake
# Simple toolchain file for cross-building Windows PuTTY on Linux
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# using MinGW (tested on Ubuntu).
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set(CMAKE_SYSTEM_NAME Windows)
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set(CMAKE_SYSTEM_PROCESSOR x86_64)
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set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
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set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
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set(CMAKE_AR x86_64-w64-mingw32-ar)
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set(CMAKE_RANLIB x86_64-w64-mingw32-ranlib)
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add_compile_definitions(__USE_MINGW_ANSI_STDIO)
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