* [Buildroot] [PATCH 1/1] [V6] toolchain: control vendor part in GNU_TARGET_NAME
@ 2014-03-09 7:15 Noam Camus
2014-03-31 16:59 ` Yann E. MORIN
0 siblings, 1 reply; 2+ messages in thread
From: Noam Camus @ 2014-03-09 7:15 UTC (permalink / raw)
To: buildroot
This option allows to customize the "vendor" part of the
toolchain tuple, where the toolchain tuple has the form
<arch>-<vendor>-<os>-<libc>. Use this option in situations
where gcc might make different decisions based on the vendor
part of the tuple.
Signed-off-by: Noam Camus <noamc@ezchip.com>
---
package/Makefile.in | 17 ++++++++++++++++-
toolchain/toolchain-buildroot/Config.in | 16 ++++++++++++++++
2 files changed, 32 insertions(+), 1 deletions(-)
diff --git a/package/Makefile.in b/package/Makefile.in
index 454f614..bd9f18c 100644
--- a/package/Makefile.in
+++ b/package/Makefile.in
@@ -20,8 +20,23 @@ endif
MAKE1:=$(HOSTMAKE) -j1
MAKE:=$(HOSTMAKE) $(if $(PARALLEL_JOBS),-j$(PARALLEL_JOBS))
+ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
+TARGET_VENDOR = $(call qstrip,$(BR2_TOOLCHAIN_BUILDROOT_VENDOR))
+else
+TARGET_VENDOR = buildroot
+endif
+
+# Sanity checks
+ifeq ($(TARGET_VENDOR),)
+$(error BR2_TOOLCHAIN_BUILDROOT_VENDOR is not allowed to be empty)
+endif
+ifeq ($(TARGET_VENDOR),unknown)
+$(error BR2_TOOLCHAIN_BUILDROOT_VENDOR cannot be 'unknown'. \
+ It might be confused with the native toolchain)
+endif
+
# Compute GNU_TARGET_NAME
-GNU_TARGET_NAME=$(ARCH)-buildroot-$(TARGET_OS)-$(LIBC)$(ABI)
+GNU_TARGET_NAME=$(ARCH)-$(TARGET_VENDOR)-$(TARGET_OS)-$(LIBC)$(ABI)
# Blackfin FLAT needs uclinux
ifeq ($(BR2_bfin)$(BR2_BINFMT_FLAT),yy)
diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in
index 07db50b..3487327 100644
--- a/toolchain/toolchain-buildroot/Config.in
+++ b/toolchain/toolchain-buildroot/Config.in
@@ -70,6 +70,22 @@ config BR2_TOOLCHAIN_BUILDROOT_LIBC
default "glibc" if BR2_TOOLCHAIN_BUILDROOT_EGLIBC
default "glibc" if BR2_TOOLCHAIN_BUILDROOT_GLIBC
+config BR2_TOOLCHAIN_BUILDROOT_VENDOR
+ string "custom toolchain vendor name"
+ default "buildroot"
+ help
+ This option allows to customize the "vendor" part of the
+ toolchain tuple, where the toolchain tuple has the form
+ <arch>-<vendor>-<os>-<libc>. The default value, "buildroot",
+ is fine for most cases, except in very specific situations
+ where gcc might make different decisions based on the vendor
+ part of the tuple. The value "unknown" is not allowed, as the
+ cross-compiling toolchain might then be confused with the
+ native toolchain when the target and host architecture are
+ identical.
+
+ If you're not sure, just leave the default "buildroot" value.
+
source "package/uclibc/Config.in"
source "package/glibc/Config.in"
source "package/binutils/Config.in.host"
--
1.7.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [Buildroot] [PATCH 1/1] [V6] toolchain: control vendor part in GNU_TARGET_NAME
2014-03-09 7:15 [Buildroot] [PATCH 1/1] [V6] toolchain: control vendor part in GNU_TARGET_NAME Noam Camus
@ 2014-03-31 16:59 ` Yann E. MORIN
0 siblings, 0 replies; 2+ messages in thread
From: Yann E. MORIN @ 2014-03-31 16:59 UTC (permalink / raw)
To: buildroot
Noam, All,
On 2014-03-09 07:15 +0000, Noam Camus spake thusly:
>
> This option allows to customize the "vendor" part of the
> toolchain tuple, where the toolchain tuple has the form
> <arch>-<vendor>-<os>-<libc>. Use this option in situations
> where gcc might make different decisions based on the vendor
> part of the tuple.
>
> Signed-off-by: Noam Camus <noamc@ezchip.com>
Small nit below...
> ---
> package/Makefile.in | 17 ++++++++++++++++-
> toolchain/toolchain-buildroot/Config.in | 16 ++++++++++++++++
> 2 files changed, 32 insertions(+), 1 deletions(-)
>
> diff --git a/package/Makefile.in b/package/Makefile.in
> index 454f614..bd9f18c 100644
> --- a/package/Makefile.in
> +++ b/package/Makefile.in
> @@ -20,8 +20,23 @@ endif
> MAKE1:=$(HOSTMAKE) -j1
> MAKE:=$(HOSTMAKE) $(if $(PARALLEL_JOBS),-j$(PARALLEL_JOBS))
>
> +ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
> +TARGET_VENDOR = $(call qstrip,$(BR2_TOOLCHAIN_BUILDROOT_VENDOR))
> +else
> +TARGET_VENDOR = buildroot
> +endif
> +
> +# Sanity checks
> +ifeq ($(TARGET_VENDOR),)
> +$(error BR2_TOOLCHAIN_BUILDROOT_VENDOR is not allowed to be empty)
> +endif
> +ifeq ($(TARGET_VENDOR),unknown)
> +$(error BR2_TOOLCHAIN_BUILDROOT_VENDOR cannot be 'unknown'. \
> + It might be confused with the native toolchain)
> +endif
> +
> # Compute GNU_TARGET_NAME
> -GNU_TARGET_NAME=$(ARCH)-buildroot-$(TARGET_OS)-$(LIBC)$(ABI)
> +GNU_TARGET_NAME=$(ARCH)-$(TARGET_VENDOR)-$(TARGET_OS)-$(LIBC)$(ABI)
>
> # Blackfin FLAT needs uclinux
> ifeq ($(BR2_bfin)$(BR2_BINFMT_FLAT),yy)
> diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in
> index 07db50b..3487327 100644
> --- a/toolchain/toolchain-buildroot/Config.in
> +++ b/toolchain/toolchain-buildroot/Config.in
> @@ -70,6 +70,22 @@ config BR2_TOOLCHAIN_BUILDROOT_LIBC
> default "glibc" if BR2_TOOLCHAIN_BUILDROOT_EGLIBC
> default "glibc" if BR2_TOOLCHAIN_BUILDROOT_GLIBC
>
> +config BR2_TOOLCHAIN_BUILDROOT_VENDOR
> + string "custom toolchain vendor name"
> + default "buildroot"
> + help
> + This option allows to customize the "vendor" part of the
> + toolchain tuple, where the toolchain tuple has the form
> + <arch>-<vendor>-<os>-<libc>. The default value, "buildroot",
> + is fine for most cases, except in very specific situations
> + where gcc might make different decisions based on the vendor
> + part of the tuple. The value "unknown" is not allowed, as the
> + cross-compiling toolchain might then be confused with the
> + native toolchain when the target and host architecture are
> + identical.
This can not be empty either.
With that added:
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Regards,
Yann E. MORIN.
> + If you're not sure, just leave the default "buildroot" value.
> +
> source "package/uclibc/Config.in"
> source "package/glibc/Config.in"
> source "package/binutils/Config.in.host"
> --
> 1.7.1
>
>
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
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