From: Christophe Poucet <christophe.poucet@...>
Date: 2005-10-05T05:32:04+09:00
Subject: Concerning c++

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Hello,

I found the reason why the tests failed: my mem_move was flawed. (I use thi=
s
instead of MEMMOVE because that way I'm assured the proper operators are
called).

The proper version for mem_move is:
static inline void
mem_move(register VALUE *dest, register const VALUE *src, register long
size)
{
if (dest=3D=3Dsrc)
return;
if (src < dest && dest < src+size) {
src+=3Dsize;
dest+=3Dsize;
while(size-- > 0) {
*--dest =3D *--src;
}
} else {
while (size-- > 0) {
*dest++ =3D *src++;
}
}
}

Also I noted a problem with the LDSHARED not being set. I tracked it down
and it has to do with a test program used in configure. It won't compile
under c++ because the wrong files are included.
/* Test for whether ELF binaries are produced */
#include <fcntl.h>
#include <stdlib.h>
#if defined (__cplusplus)
#include<unistd.h>
#endif
main() {
char buffer[4];
int i=3Dopen("conftest",O_RDONLY);
if(i=3D=3D-1)
exit(1); /* fail */
if(read(i,&buffer[0],4)<4)
exit(1); /* fail */
if(buffer[0] !=3D 127 || buffer[1] !=3D 'E' ||
buffer[2] !=3D 'L' || buffer[3] !=3D 'F')
exit(1); /* fail */
exit(0); /* succeed (yes, it's ELF) */
}

Note the inclusion of unistd.h

With regards,
Christophe

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