Hi,
This post relates to my attempts to build Math-Pari-2.010709 (against pari-2.1.7) on Windows.

Using VC7 (with a VC7-built perl) on Windows 2000 there's no problem. (I fully expect that the same holds wrt VC6.) And using MinGW's gcc compiler on Vista 64 (with a 32-bit build of perl) there's still no problem.

The fun begins when I try to build it on my Vista 64 box with ActiveState's 64-bit build of perl-5.8.8, using the very same Platform SDK that was used to build that perl. Running 'nmake' culminates in:

C:\_64\Platform_SDK\Include\WinUser.h(9659) : error C2146: syntax erro
+r : missing ')' before identifier 'gpsi'
C:\_64\Platform_SDK\Include\WinUser.h(9659) : error C2061: syntax erro
+r : identifier 'gpsi'
C:\_64\Platform_SDK\Include\WinUser.h(9659) : error C2059: syntax erro
+r : ';'
C:\_64\Platform_SDK\Include\WinUser.h(9659) : error C2059: syntax erro
+r : ','
C:\_64\Platform_SDK\Include\WinUser.h(9660) : error C2059: syntax erro
+r : ')'
C:\_64\Platform_SDK\Include\WinUser.h(9668) : error C2146: syntax erro
+r : missing ')' before identifier 'gpsi'
C:\_64\Platform_SDK\Include\WinUser.h(9668) : error C2061: syntax erro
+r : identifier 'gpsi'
C:\_64\Platform_SDK\Include\WinUser.h(9668) : error C2059: syntax erro
+r : ';'
C:\_64\Platform_SDK\Include\WinUser.h(9668) : error C2059: syntax erro
+r : ')'
../pari-2.1.7\src\gp\highlvl.c(201) : warning C4311: 'type cast' : poi
+nter truncation from 'GEN' to 'long'
../pari-2.1.7\src\gp\highlvl.c(204) : warning C4311: 'type cast' : poi
+nter truncation from 'GEN' to 'long'
../pari-2.1.7\src\gp\highlvl.c(218) : warning C4311: 'type cast' : poi
+nter truncation from 'GEN' to 'long'
NMAKE : fatal error U1077: 'cl' : return code '0x2'
Stop.
NMAKE : fatal error U1077: 'cd' : return code '0x2'
Stop.
[download]

The obvious thing to do is to then take a look at the offending code - even though one knows that there's not going to be any syntax errors in Platform SDK's WinUser.h. Anyway, when I run my little app that retrieves lines from a file I get:

Enter the line number
9659
Enter (full path to) file
C:\_64\Platform_SDK\Include\WinUser.h
9655: WINAPI
9656: SetScrollInfo(
9657:     __in HWND hwnd,
9658:     __in int nBar,
9659:     __in LPCSCROLLINFO lpsi,
9660:     __in BOOL redraw);
9661:
9662: WINUSERAPI
9663: BOOL
9664: WINAPI
9665: GetScrollInfo(
9666:     __in HWND hwnd,
9667:     __in int nBar,
9668:     __inout LPSCROLLINFO lpsi);
9669:
[download]

It puzzles me that there's not a 'gpsi' to be seen. (Is it possible that computers can suffer hallucinations from passive smoking ??)

I get exactly the same error if I use VC8 instead of Platform SDK, but since my VC8 is using the exact same header files, I guess it's not very surprising.

Ummm ... any advice on how to proceed ? I know it's not actually a perl problem - which is the reason that I marked it "OT".

Cheers,
Rob

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