Mercurial > gub
changeset 2976:9ee8d2ff3b5a
Patch out dynamic PPC CPU feature detection. Simulate PPC with FPU
without Altivec. Fixes version problems with __libc_stack_end
author | hanwen <hanwen@lilypond.org> |
---|---|
date | Sun, 17 Dec 2006 18:15:49 +0100 |
parents | 84351e58c297 |
children | 72a2ec7d9146 |
files | lib/debian.py patches/gcc-4.1.1-ppc-unwind.patch |
diffstat | 2 files changed, 34 insertions(+), 0 deletions(-) [+] |
line wrap: on
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--- a/lib/debian.py Thu Dec 14 15:44:37 2006 +0100 +++ b/lib/debian.py Sun Dec 17 18:15:49 2006 +0100 @@ -55,6 +55,13 @@ pass class Gcc (cross.Gcc): + def patch (self): + cross.Gcc.patch (self) + self.system (""" +cd %(srcdir)s && patch -p1 < %(patchdir)s/gcc-4.1.1-ppc-unwind.patch +""") + + ## TODO: should detect whether libc supports TLS def configure_command (self): return cross.Gcc.configure_command (self) + ' --disable-tls '
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/patches/gcc-4.1.1-ppc-unwind.patch Sun Dec 17 18:15:49 2006 +0100 @@ -0,0 +1,27 @@ +--- gcc-4.1.1/gcc/config/rs6000/linux-unwind.h~ 2005-08-06 15:26:35.000000000 +0200 ++++ gcc-4.1.1/gcc/config/rs6000/linux-unwind.h 2006-12-17 19:00:41.000000000 +0100 +@@ -202,6 +202,7 @@ + } + #endif + ++#if 0 + /* Find an entry in the process auxiliary vector. The canonical way to + test for VMX is to look at AT_HWCAP. */ + +@@ -233,6 +234,7 @@ + return auxp->a_val; + return 0; + } ++#endif + + /* Do code reading to identify a signal frame, and set the frame + state data appropriately. See unwind-dw2.c for the structs. */ +@@ -275,7 +277,7 @@ + + if (hwcap == 0) + { +- hwcap = ppc_linux_aux_vector (16); ++ hwcap = 0x08000000; /* FPU, VMX from G4 onwards. */ + /* These will already be set if we found AT_HWCAP. A nonzero + value stops us looking again if for some reason we couldn't + find AT_HWCAP. */