> On Mar 26, 2015, at 4:55 PM, Richard Purdie
> <[email protected]> wrote:
>
> In a baremetal build, TARGET_ENDIAN_OPTION isn't set leading to build
> failures. Add in ifdefs to avoid this.
>
We should define it in
gcc/config/arm/linux-eabi.h
something like
diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h
index 048a062..05f01ca 100644
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -51,8 +51,12 @@
config.gcc for big endian configurations. */
#undef TARGET_LINKER_EMULATION
#if TARGET_BIG_ENDIAN_DEFAULT
+#define TARGET_ENDIAN_DEFAULT MASK_BIG_END
+#define TARGET_ENDIAN_OPTION "mbig-endian"
#define TARGET_LINKER_EMULATION "armelfb_linux_eabi"
#else
+#define TARGET_ENDIAN_DEFAULT 0
+#define TARGET_ENDIAN_OPTION "mlittle-endian"
#define TARGET_LINKER_EMULATION "armelf_linux_eabi"
#endif
> Signed-off-by: Richard Purdie <[email protected]>
>
> diff --git
> a/meta/recipes-devtools/gcc/gcc-4.9/0015-arm-Use-TARGET_ENDIAN_OPTION-for-determining-MULTILI.patch
>
> b/meta/recipes-devtools/gcc/gcc-4.9/0015-arm-Use-TARGET_ENDIAN_OPTION-for-determining-MULTILI.patch
> index ba0a227..37c46fc 100644
> ---
> a/meta/recipes-devtools/gcc/gcc-4.9/0015-arm-Use-TARGET_ENDIAN_OPTION-for-determining-MULTILI.patch
> +++
> b/meta/recipes-devtools/gcc/gcc-4.9/0015-arm-Use-TARGET_ENDIAN_OPTION-for-determining-MULTILI.patch
> @@ -11,26 +11,34 @@ Upstream-Status: Pending
> gcc/config/arm/linux-elf.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> -Index: gcc-4.9-20140316/gcc/config/arm/coff.h
> +Index: gcc-4.9.2/gcc/config/arm/coff.h
> ===================================================================
> ---- gcc-4.9-20140316.orig/gcc/config/arm/coff.h
> -+++ gcc-4.9-20140316/gcc/config/arm/coff.h
> -@@ -33,7 +33,7 @@
> +--- gcc-4.9.2.orig/gcc/config/arm/coff.h
> ++++ gcc-4.9.2/gcc/config/arm/coff.h
> +@@ -32,8 +32,11 @@
> + #define TARGET_DEFAULT (MASK_APCS_FRAME)
>
> #ifndef MULTILIB_DEFAULTS
> ++#ifndef TARGET_ENDIAN_OPTION
> ++#define TARGET_ENDIAN_OPTION "mlittle-endian"
> ++#endif
> #define MULTILIB_DEFAULTS \
> - { "marm", "mlittle-endian", "mfloat-abi=soft", "mno-thumb-interwork" }
> + { "marm", TARGET_ENDIAN_OPTION, "mfloat-abi=soft", "mno-thumb-interwork" }
> #endif
>
> /* This is COFF, but prefer stabs. */
> -Index: gcc-4.9-20140316/gcc/config/arm/elf.h
> +Index: gcc-4.9.2/gcc/config/arm/elf.h
> ===================================================================
> ---- gcc-4.9-20140316.orig/gcc/config/arm/elf.h
> -+++ gcc-4.9-20140316/gcc/config/arm/elf.h
> -@@ -112,7 +112,7 @@
> +--- gcc-4.9.2.orig/gcc/config/arm/elf.h
> ++++ gcc-4.9.2/gcc/config/arm/elf.h
> +@@ -116,8 +116,11 @@
> + #endif
>
> #ifndef MULTILIB_DEFAULTS
> ++#ifndef TARGET_ENDIAN_OPTION
> ++#define TARGET_ENDIAN_OPTION "mlittle-endian"
> ++#endif
> #define MULTILIB_DEFAULTS \
> - { "marm", "mlittle-endian", "mfloat-abi=soft", "mno-thumb-interwork",
> "fno-leading-underscore" }
> + { "marm", TARGET_ENDIAN_OPTION, "mfloat-abi=soft", "mno-thumb-interwork",
> "fno-leading-underscore" }
>
>
--
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