patches/gcc/4.3.1/330-unwind-for-uClibc.patch
author Esben Haabendal <esben.haabendal@prevas.dk>
Wed Sep 26 09:09:23 2012 +0200 (2012-09-26)
changeset 3065 603ccf80c48b
permissions -rw-r--r--
kernel/linux: change m68k/no-mmu linux arch tuple to use -uclinux

GCC requires m68k arch tuples to be *-*-uclinux-* to support Linux on
no-mmu m68k (ColdFire) cpus.

Blackfin arch tuple must be *-*-linux-uclibc for FD_PIC_ELF toolchains,
so we cannot just switch to uclinux for no-mmu Linux toolchains.

Signed-off-by: "Esben Haabendal" <esben@haabendal.dk>
Message-Id: <876271s1ee.fsf@arh128.prevas.dk>
PatchWork-Id: 186976
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diff -durN gcc-4.3.1.orig/gcc/config/t-linux-uclibc gcc-4.3.1/gcc/config/t-linux-uclibc
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--- gcc-4.3.1.orig/gcc/config/t-linux-uclibc	1970-01-01 01:00:00.000000000 +0100
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+++ gcc-4.3.1/gcc/config/t-linux-uclibc	2008-07-29 13:07:15.000000000 +0200
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@@ -0,0 +1,5 @@
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+# Remove glibc specific files added in t-linux
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+SHLIB_MAPFILES := $(filter-out $(srcdir)/config/libgcc-glibc.ver, $(SHLIB_MAPFILES))
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+
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+# Use unwind-dw2-fde instead of unwind-dw2-fde-glibc
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+LIB2ADDEH := $(subst unwind-dw2-fde-glibc.c,unwind-dw2-fde.c,$(LIB2ADDEH))
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diff -durN gcc-4.3.1.orig/gcc/config.gcc gcc-4.3.1/gcc/config.gcc
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--- gcc-4.3.1.orig/gcc/config.gcc	2008-07-29 13:11:02.000000000 +0200
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+++ gcc-4.3.1/gcc/config.gcc	2008-07-29 13:10:05.000000000 +0200
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@@ -2651,6 +2651,12 @@
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 	;;
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 esac
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+# Rather than hook into each target, just do it after all the linux
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+# targets have been processed
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+case ${target} in
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+  *-linux-uclibc*) tm_defines="${tm_defines} USE_UCLIBC" ; tmake_file="${tmake_file} t-linux-uclibc";;
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+esac
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+
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 case ${target} in
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 i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1)
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 	tmake_file="${tmake_file} i386/t-gmm_malloc"