OpenJDK 7 build fails on Snow Leopard
swingler at apple.com
Fri Oct 2 18:29:27 PDT 2009
On Oct 2, 2009, at 6:06 PM, John Rose wrote:
> On Oct 1, 2009, at 12:01 PM, John Rose wrote:
>> On Oct 1, 2009, at 4:12 AM, Michael Franz wrote:
>>> Snow Leopard has gcc-4.0 and gcc-4.2. You can switch for the build
>>> by specifying CC=gcc-4.0 and CXX=g++-4.0 before/when calling make.
>> Yippee! Looks like I'm back in business on 10.6. -- John
> With the current bsd-port plus unrelated MLVM patches I got a clean
> Snow Leopard build. It passed the MLVM regression tests.
> I had to use GCC 4.0 as Michael suggested.
> The 4.2 compiler is offering some porting resistance. I put a patch
> into MLVM which copes with the new "printf" warnings it generates:
> This patch is a bunch of lint-type fixes, and works fine on GCC
> 4.0. (Haven't tested on Solaris, etc, but s.b. OK.) It's probably
> not worth the effort of pushing this patch upstream until we have a
> working GCC 4.2 build.
> The current problem with GCC 4.2 is that when I build on x86_32, the
> JVM crashes in at least two places: Under -Xint mode, the JVMG mode
> throws an assert on exit, and otherwise it throws asserts or crashes
> in compiler-related code. The 64-bit version of the JVM appears to
> work, but I haven't exercised it much.
> Since I'm chasing other problems, I'm going to leave GCC 4.2 alone
> for now. If anyone wants to pick up this issue, help yourself to
> snowleopard.patch above.
It might also be worth giving llvm-gcc a try, since that is what we
use to compile the Java SE 6 in Snow Leopard. It uses gcc's front-end,
and llvm's code generating back-end. I encountered similar crashes
using GCC 4.2, and they don't look obvious to isolate, let alone
Java Runtime Engineer
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