}
},
'os:macos': {
- 'CCFLAGS': ['-ansi'],
+ 'CCFLAGS': ['-ansi', '-mmacosx-version-min=10.4'],
},
'os:freebsd': {
'CPPPATH' : ['/usr/local/include'],
def GetVersion():
version_components = GetVersionComponents()
-
+
if version_components[len(version_components) - 1] == '0':
version_components.pop()
return '.'.join(version_components)
def GetSpecificSONAME():
SONAME_PATTERN = re.compile(r"#define\s+SONAME\s+\"(.*)\"")
-
+
source = open(join(root_dir, 'src', 'version.cc')).read()
match = SONAME_PATTERN.search(source)
-
+
if match:
return match.group(1).strip()
else:
#include <AvailabilityMacros.h>
-#ifdef MAC_OS_X_VERSION_10_5
-# include <execinfo.h> // backtrace, backtrace_symbols
-#endif
-
#include <pthread.h>
#include <semaphore.h>
#include <signal.h>
#include "platform.h"
+// Manually define these here as weak imports, rather than including execinfo.h.
+// This lets us launch on 10.4 which does not have these calls.
+extern "C" {
+ extern int backtrace(void**, int) __attribute__((weak_import));
+ extern char** backtrace_symbols(void* const*, int)
+ __attribute__((weak_import));
+ extern void backtrace_symbols_fd(void* const*, int, int)
+ __attribute__((weak_import));
+}
+
+
namespace v8 {
namespace internal {
int OS::StackWalk(Vector<StackFrame> frames) {
-#ifndef MAC_OS_X_VERSION_10_5
- return 0;
-#else
+ // If weak link to execinfo lib has failed, ie because we are on 10.4, abort.
+ if (backtrace == NULL)
+ return 0;
+
int frames_size = frames.length();
void** addresses = NewArray<void*>(frames_size);
int frames_count = backtrace(addresses, frames_size);
free(symbols);
return frames_count;
-#endif
}