A while back when I was building Portable .NET on a Mac just for the
fun of it, I came across an error when using apple's gcc 4.0.0.
As I wasn't using the CVS source I didn't mention it. Now I am
building the CVS version of the source and the error is there.
There was only one error stopping it from building in gcc 4.0..
I changed os_dep.c:2215, replacing the extern with static and
everything was fine.
os_dep.c:3410: error: static declaration of 'GC_task_self' follows
non-static declaration
os_dep.c:2215: error: previous declaration of 'GC_task_self' was here
# ifdef DARWIN
/* Using vm_protect (mach syscall) over mprotect (BSD syscall)
seems to
decrease the likelihood of some of the problems described
below. */
#include <mach/vm_map.h>
extern mach_port_t GC_task_self; <---- os_dep.c:2215
#define PROTECT(addr,len) \
if(vm_protect(GC_task_self,(vm_address_t)(addr),(vm_size_t)
(len), \
FALSE,VM_PROT_READ) != KERN_SUCCESS) { \
ABORT("vm_portect failed"); \
}
#define UNPROTECT(addr,len) \
if(vm_protect(GC_task_self,(vm_address_t)(addr),(vm_size_t)
(len), \
FALSE,VM_PROT_READ|VM_PROT_WRITE) != KERN_SUCCESS) { \
ABORT("vm_portect failed"); \
}
# else
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