patches/gcc/4.2.2/280-alpha-signal_h.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Sep 12 20:54:54 2010 +0200 (2010-09-12)
changeset 2122 eb837be50f8f
parent 746 b150d6f590fc
permissions -rw-r--r--
cc/gcc: do not force use of non-vital companion libraries

While GMP and MPFR are required by gcc>=4.3 (to build the frontends),
and MPC is required by gcc>=4.5, the other libs are not. If they are
present then gcc will enable advanced features; if they are missing,
then gcc will (should) simply disable those features.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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--- gcc-4.2.1-stock/gcc/config/alpha/linux-unwind.h	2005-06-24 20:22:41.000000000 -0500
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+++ gcc-4.2.1/gcc/config/alpha/linux-unwind.h	2007-09-01 20:21:34.000000000 -0500
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@@ -29,6 +29,9 @@ Boston, MA 02110-1301, USA.  */
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 /* Do code reading to identify a signal frame, and set the frame
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    state data appropriately.  See unwind-dw2.c for the structs.  */
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+/* Don't use this if inhibit_libc is set
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+   The build for this target will fail trying to include missing headers */
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+#ifndef inhibit_libc
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 #include <signal.h>
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 #include <sys/ucontext.h>
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@@ -80,3 +83,4 @@ alpha_fallback_frame_state (struct _Unwi
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   fs->retaddr_column = 64;
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   return _URC_NO_REASON;
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 }
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+#endif /* inhibit_libc */