patches/gcc/4.4.1/390-arm-softfloat-libgcc.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Dec 12 21:41:16 2011 +0200 (2011-12-12)
branch1.13
changeset 2845 0dc9d4931246
permissions -rw-r--r--
scripts: unset CONFIG_SITE

Some distributions (eg. openSUSE 12.1) systematically export
the CONFIG_SITE environment variable to point to a custom
script setting misc paths for ./configure.

This can, and does, break when cross-compiling for architectures
that are not supported by this script.

The simple workaround is to unset this variable.
NB: buildroot has a similar fix:
http://git.buildroot.org/buildroot/commit/?id=12c9f7dd6dee9c6029b4f9a12d6aac1516911ab4

Reported-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 21f4f28e60ec0342133086c9a51e7f0e5b181fb8)
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[PATCH] add the correct symbols to libgcc for uclibc arm softfloat
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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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---
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 gcc/config/arm/linux-elf.h |    2 +-
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 gcc/config/arm/t-linux     |    6 +++++-
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 2 files changed, 6 insertions(+), 2 deletions(-)
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Index: gcc-4.4.0/gcc/config/arm/t-linux
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===================================================================
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--- gcc-4.4.0.orig/gcc/config/arm/t-linux
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+++ gcc-4.4.0/gcc/config/arm/t-linux
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@@ -4,7 +4,11 @@
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 LIB1ASMSRC = arm/lib1funcs.asm
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 LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \
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-	_arm_addsubdf3 _arm_addsubsf3
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+	_arm_addsubdf3 _arm_addsubsf3 \
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+	_arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
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+	_arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \
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+	_arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \
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+	_arm_fixsfsi _arm_fixunssfsi
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 # MULTILIB_OPTIONS = mhard-float/msoft-float
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 # MULTILIB_DIRNAMES = hard-float soft-float
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Index: gcc-4.4.0/gcc/config/arm/linux-elf.h
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===================================================================
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--- gcc-4.4.0.orig/gcc/config/arm/linux-elf.h
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+++ gcc-4.4.0/gcc/config/arm/linux-elf.h
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@@ -60,7 +60,7 @@
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    %{shared:-lc} \
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    %{!shared:%{profile:-lc_p}%{!profile:-lc}}"
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-#define LIBGCC_SPEC "%{msoft-float:-lfloat} %{mfloat-abi=soft*:-lfloat} -lgcc"
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+#define LIBGCC_SPEC "-lgcc"
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 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
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