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mkall.sh, mkerrors.sh: work more broadly

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work on FreeBSD even without /usr/src/sys.
work on systems where gcc -static is broken.

TBR so I can test my semi-automated z builder.

TBR=adg
CC=golang-dev
https://golang.org/cl/2215046
This commit is contained in:
Russ Cox 2010-09-24 13:37:02 -04:00
parent fb7e175d1f
commit 9a96fb3a29
2 changed files with 12 additions and 7 deletions
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4
src/pkg/syscall/mkall.sh
View File

@ -102,12 +102,12 @@ _* | *_ | _)
freebsd_386)
mkerrors="$mkerrors -f -m32"
mksyscall="./mksyscall.sh -l32"
mksysnum="./mksysnum_freebsd.sh /usr/src/sys/kern/syscalls.master"
mksysnum="curl -s 'http://svn.freebsd.org/viewvc/base/head/sys/kern/syscalls.master?view=markup' | ./mksysnum_freebsd.sh"
mktypes="godefs -gsyscall -f-m32"
;;
freebsd_amd64)
mkerrors="$mkerrors -f -m64"
mksysnum="./mksysnum_freebsd.sh /usr/src/sys/kern/syscalls.master"
mksysnum="curl -s 'http://svn.freebsd.org/viewvc/base/head/sys/kern/syscalls.master?view=markup' | ./mksysnum_freebsd.sh"
mktypes="godefs -gsyscall -f-m64"
;;
darwin_386)

15
src/pkg/syscall/mkerrors.sh
View File

@ -134,6 +134,12 @@ int errors[] = {
/bin/echo '
};
static int
intcmp(const void *a, const void *b)
{
return *(int*)a - *(int*)b;
}
int
main(void)
{
@ -142,17 +148,16 @@ main(void)
printf("\n\n// Error table\n");
printf("var errors = [...]string {\n");
qsort(errors, nelem(errors), sizeof errors[0], intcmp);
for(i=0; i<nelem(errors); i++) {
e = errors[i];
for(j=0; j<i; j++)
if(errors[j] == e) // duplicate value
goto next;
if(i > 0 && errors[i-1] == e)
continue;
strcpy(buf, strerror(e));
// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
buf[0] += a - A;
printf("\t%d: \"%s\",\n", e, buf);
next:;
}
printf("}\n\n");
return 0;
@ -161,4 +166,4 @@ main(void)
'
) >_errors.c
$GCC $ccflags -static -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.c
$GCC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.c