patches/gcc/4.0.4/190-arm-bigendian.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 10 00:02:05 2011 +0200 (2011-07-10)
branch1.11
changeset 2556 1c0580ebdf9d
parent 1 eeea35fbf182
permissions -rw-r--r--
scripts: on startup, also remove the buildtools dir

In case there's one lingering around (whether the previous build was
successful, or failed), we have to remove the buildtools directory
as well as the toochain build dir.

This should also fix the case where out makeinfo wrapper calls
itself recursively.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 0e8ff57073838afea8830fe09d1d01cdf7cb37d8)
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diff -dur gcc-4.0.4.orig/gcc/config/arm/linux-elf.h gcc-4.0.4/gcc/config/arm/linux-elf.h
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--- gcc-4.0.4.orig/gcc/config/arm/linux-elf.h	2007-02-02 19:24:50.000000000 +0100
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+++ gcc-4.0.4/gcc/config/arm/linux-elf.h	2007-02-02 19:26:12.000000000 +0100
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@@ -31,19 +31,33 @@
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 /* Do not assume anything about header files.  */
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 #define NO_IMPLICIT_EXTERN_C
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+/*
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+ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*
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+ * (big endian) configurations.
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+ */
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+#if TARGET_BIG_ENDIAN_DEFAULT
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+#define TARGET_ENDIAN_DEFAULT ARM_FLAG_BIG_END
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+#define TARGET_ENDIAN_OPTION "mbig-endian"
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+#define TARGET_LINKER_EMULATION "armelfb_linux"
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+#else
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+#define TARGET_ENDIAN_DEFAULT 0
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+#define TARGET_ENDIAN_OPTION "mlittle-endian"
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+#define TARGET_LINKER_EMULATION "armelf_linux"
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+#endif
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+
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 #undef  TARGET_DEFAULT_FLOAT_ABI
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 #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD
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 #undef  TARGET_DEFAULT
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-#define TARGET_DEFAULT (0)
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+#define TARGET_DEFAULT (TARGET_ENDIAN_DEFAULT)
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 #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6
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-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p"
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+#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION " -p"
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 #undef  MULTILIB_DEFAULTS
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 #define MULTILIB_DEFAULTS \
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-	{ "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" }
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+	{ "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mno-thumb-interwork" }
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 /* The GNU C++ standard library requires that these macros be defined.  */
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 #undef CPLUSPLUS_CPP_SPEC
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@@ -95,7 +109,7 @@
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    %{rdynamic:-export-dynamic} \
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    %{!dynamic-linker:-dynamic-linker " ELF_DYNAMIC_LINKER "} \
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    -X \
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-   %{mbig-endian:-EB}" \
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+   %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
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    SUBTARGET_EXTRA_LINK_SPEC
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 #define TARGET_OS_CPP_BUILTINS()		\
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Only in gcc-4.0.4/gcc/config/arm: linux-elf.h.orig
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diff -dur gcc-4.0.4.orig/gcc/config.gcc gcc-4.0.4/gcc/config.gcc
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--- gcc-4.0.4.orig/gcc/config.gcc	2007-02-02 19:24:50.000000000 +0100
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+++ gcc-4.0.4/gcc/config.gcc	2007-02-02 19:26:12.000000000 +0100
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@@ -672,6 +672,11 @@
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 	;;
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 arm*-*-linux*)			# ARM GNU/Linux with ELF
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 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h  arm/linux-gas.h arm/linux-elf.h arm/aout.h arm/arm.h"
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+	case $target in
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+	arm*b-*)
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+		tm_defines="TARGET_BIG_ENDIAN_DEFAULT=1 $tm_defines"
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+		;;
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+	esac
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 	tmake_file="${tmake_file} arm/t-arm arm/t-linux"
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 	extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
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 	gnu_ld=yes