[Vm-dev] Issue 132 in cog: Build Fails on OpenBSD. ucontext is not available

[Frank Shearar]

Of course this is OpenBSD, not FreeBSD, but having said that the issue
could largely be the same.

frank

On 6 October 2013 18:16, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>
> OK, I'll fix this and make printing the registers unavailable on FreeBSD.  But that means no profiler either :-(
>
>
> On Sun, Oct 6, 2013 at 7:37 AM, <cog at googlecode.com> wrote:
>>
>>
>> Status: New
>> Owner: ----
>> Labels: Type-Defect Priority-Medium
>>
>> New issue 132 by riverdu... at gmail.com: Build Fails on OpenBSD. ucontext is not available
>> http://code.google.com/p/cog/issues/detail?id=132
>>
>> The user thread functions in <ucontext.h> are deprecated because they use a deprecated C feature.
>>
>> http://pubs.opengroup.org/onlinepubs/009695399/functions/makecontext.html
>>
>> The makecontext, getcontext, and setcontext functions were standardized in POSIX-1.2001 but then removed in POSIX-1.2008 with no replacement.
>>
>> Most systems provide them for backward compatibility, however OpenBSD does not.
>>
>> This leads to...
>>
>> gcc -g  -pipe -DHAVE_CONFIG_H -DHAVE_MMAP -D_GNU_SOURCE -DDEBUG -DITIMER_HEARTBEAT=1 -DNO_VM_PROFILE=1 -DCOGMTVM=0 -DDEBUGVM=1 -I/usr/local/include -I/usr/include -rthread -DLSB_FIRST=1  -DHAVE_CONFIG_H  -DSQUEAK_BUILTIN_PLUGIN  -I/home/dusty/CogVM/unixbuild/bld -I/home/dusty/CogVM/unixbuild/bld -I/home/dusty/CogVM/platforms/unix/vm -I/home/dusty/CogVM/platforms/Cross/vm -I/home/dusty/CogVM/src/vm -I/home/dusty/CogVM/platforms/Cross/vm -I/home/dusty/CogVM/platforms/unix/vm -I/home/dusty/CogVM/src/vm   -I/home/dusty/CogVM/platforms/Cross/plugins/FilePlugin  -I/home/dusty/CogVM/platforms/unix/plugins/B3DAcceleratorPlugin  -I/home/dusty/CogVM/unixbuild/bld -I/home/dusty/CogVM/unixbuild/bld -I/home/dusty/CogVM/platforms/unix/vm -I/home/dusty/CogVM/platforms/Cross/vm -I/home/dusty/CogVM/src/vm -I/usr/X11R6/include   -c -o sqUnixMain.o /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c:838:3: error: #error need to implement extracting pc from a ucontext_t on this system
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c: In function 'reportStackState':
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c:842: error: 'fp' undeclared (first use in this function)
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c:842: error: (Each undeclared identifier is reported only once
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c:842: error: for each function it appears in.)
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c:842: error: 'sp' undeclared (first use in this function)
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c: In function 'isCFramePointerInUse':
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c:2048: warning: passing argument 3 of '__sq_assert' discards qualifiers from pointer target type
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c: In function 'getRedzoneSize':
>> /home/dusty/CogVM/platforms/unix/vm/sqUnixMain.c:2071: warning: assignment from incompatible pointer type
>> *** Error 1 in vm (Makefile:273 'sqUnixMain.o')
>> *** Error 1 in /home/dusty/CogVM/unixbuild/bld (Makefile:406 'vm/vm.a')
>>
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>
>
>
>
> --
> best,
> Eliot
>