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Last check-in was a mistake...

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I've been told apple gcc version number is not guaranteed to increase
monotonically. Change the preprocess condition to make it less risky.

The configuration change is done during the middle 10.4 life cycle so we have
to check __APPLE_CC. For future OS X release, we should be able to assume
-fenable-cxa-atexit is the default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30024 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-09-01 18:42:59 +00:00
parent 4f260b4efa
commit 78050d6cbe
1 changed files with 6 additions and 4 deletions
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10
lib/ExecutionEngine/JIT/JIT.cpp
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@ -32,8 +32,9 @@ using namespace llvm;
#ifdef __APPLE__
#include <AvailabilityMacros.h>
#if MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4 || \
__APPLE_CC__ >= 5330
#if (MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4) || \
(MAC_OS_X_VERSION_MIN_REQUIRED == MAC_OS_X_VERSION_10_4 && \
__APPLE_CC__ >= 5330)
// __dso_handle is resolved by Mac OS X dynamic linker.
extern void *__dso_handle __attribute__ ((__visibility__ ("hidden")));
#endif
@ -310,8 +311,9 @@ void *JIT::getOrEmitGlobalVariable(const GlobalVariable *GV) {
// If the global is external, just remember the address.
if (GV->isExternal()) {
#ifdef __APPLE__
#if MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4 || \
__APPLE_CC__ >= 5330
#if (MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4) || \
(MAC_OS_X_VERSION_MIN_REQUIRED == MAC_OS_X_VERSION_10_4 && \
__APPLE_CC__ >= 5330)
// Apple gcc defaults to -fuse-cxa-atexit (i.e. calls __cxa_atexit instead
// of atexit). It passes the address of linker generated symbol __dso_handle
// to the function.