So ABI breakage and DLL hell between different builds of Mingw/GCC. Well what else could it be after looking at libgcc dll's export table other than GCC exception handling? div by zero or x87 FP exception? :-) I really really wish Mingw would has MS compatible SEH. Writing Win32 compiler-portable Perl XS/C code around bad C code beyond my control using IsBadReadPtr/IsBadWritePtr is cumbersome and those 2 will never catch STATUS_ILLEGAL_INSTRUCTION for example.
Re^7: Module::Install hacking
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I agree. I did come up with a "compatibility layer" -- nothing fancy just a couple of #defines -- that allowed me to use SEH in my unauthorised version of Devel::Size and compile it with MSVC & Mingw 32 & 64-bit without change.
However, in the subsequent authorised version, they re-wrote all the exception handling claiming that it didn't work on gcc. No details given, so I can't talk to that.
I do know that syphilis compiled it successfully with MinGW and it appeared to work okay. Admittedly, I didn't try to do anything complicated with the exceptions; just basically ignored them.
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