[dpdk-dev] [PATCH] doc: add cross compile part for sample applications

[dpdk-dev] [PATCH] doc: add cross compile part for sample applications

[Gavin Hu]

Fixes: 7cacb05655 ("doc: add generic build instructions for sample apps")
Cc: stable@dpdk.org

Signed-off-by: Gavin Hu <gavin.hu@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
---
 doc/guides/sample_app_ug/compiling.rst | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/doc/guides/sample_app_ug/compiling.rst b/doc/guides/sample_app_ug/compiling.rst
index a2d75ed..c8cf1bd 100644
--- a/doc/guides/sample_app_ug/compiling.rst
+++ b/doc/guides/sample_app_ug/compiling.rst
@@ -9,7 +9,6 @@ This section explains how to compile the DPDK sample applications.
 To compile all the sample applications
 --------------------------------------
 
-
 Set the path to DPDK source code if its not set:
 
     .. code-block:: console
@@ -93,3 +92,18 @@ Build the application:
 
         export RTE_TARGET=build
         make
+
+To cross compile the sample application(s)
+------------------------------------------
+
+For cross compiling the sample application(s), please append 'CC=$(CROSS_COMPILER)' to the 'make' command.
+For example:
+
+    .. code-block:: console
+
+        export RTE_TARGET=build
+        export RTE_SDK=/path/to/rte_sdk
+        export CROSS_COMPILER=aarch64-linux-gnu-gcc
+        make -C examples CC=$(CROSS_COMPILER)
+               or
+        make CC=$(CROSS_COMPILER)
-- 
2.7.4

Re: [dpdk-dev] [PATCH] doc: add cross compile part for sample applications

[Thomas Monjalon]

14/08/2018 18:18, Gavin Hu:
> +For cross compiling the sample application(s), please append 'CC=$(CROSS_COMPILER)' to the 'make' command.

As you can see in doc/build-sdk-quick.txt, you should use CROSS=
for cross compilation.

> +For example:
> +        export CROSS_COMPILER=aarch64-linux-gnu-gcc
> +        make -C examples CC=$(CROSS_COMPILER)

It should be
	make -C examples CROSS=aarch64-linux-gnu-

Please would you like to make a patch v2 ?

Re: [dpdk-dev] [PATCH] doc: add cross compile part for sample applications

[Gavin Hu (Arm Technology China)]

Hi Thomas,

V2 was submitted, thanks for review!
http://patchwork.dpdk.org/patch/44768/

Best Regards,
Gavin

> -----Original Message-----
> From: Thomas Monjalon <thomas@monjalon.net>
> Sent: Friday, September 14, 2018 10:55 PM
> To: Gavin Hu (Arm Technology China) <Gavin.Hu@arm.com>
> Cc: dev@dpdk.org; Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
> Subject: Re: [dpdk-dev] [PATCH] doc: add cross compile part for sample
> applications
>
> 14/08/2018 18:18, Gavin Hu:
> > +For cross compiling the sample application(s), please append
> 'CC=$(CROSS_COMPILER)' to the 'make' command.
>
> As you can see in doc/build-sdk-quick.txt, you should use CROSS= for cross
> compilation.
>
> > +For example:
> > +        export CROSS_COMPILER=aarch64-linux-gnu-gcc
> > +        make -C examples CC=$(CROSS_COMPILER)
>
> It should be
> make -C examples CROSS=aarch64-linux-gnu-
>
> Please would you like to make a patch v2 ?
>

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[dpdk-dev] [PATCH v2] doc: add cross compile part for sample applications

[Gavin Hu]

Fixes: 7cacb05655 ("doc: add generic build instructions for sample apps")
Cc: stable@dpdk.org

Signed-off-by: Gavin Hu <gavin.hu@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
---
 doc/guides/sample_app_ug/compiling.rst | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/doc/guides/sample_app_ug/compiling.rst b/doc/guides/sample_app_ug/compiling.rst
index a2d75ed22..6f04743c8 100644
--- a/doc/guides/sample_app_ug/compiling.rst
+++ b/doc/guides/sample_app_ug/compiling.rst
@@ -9,7 +9,6 @@ This section explains how to compile the DPDK sample applications.
 To compile all the sample applications
 --------------------------------------
 
-
 Set the path to DPDK source code if its not set:
 
     .. code-block:: console
@@ -93,3 +92,17 @@ Build the application:
 
         export RTE_TARGET=build
         make
+
+To cross compile the sample application(s)
+------------------------------------------
+
+For cross compiling the sample application(s), please append 'CROSS=$(CROSS_COMPILER_PREFIX)' to the 'make' command.
+In example of AARCH64 cross compiling:
+
+    .. code-block:: console
+
+        export RTE_TARGET=build
+        export RTE_SDK=/path/to/rte_sdk
+        make -C examples CROSS=aarch64-linux-gnu-
+               or
+        make CROSS=aarch64-linux-gnu-
-- 
2.11.0

Re: [dpdk-dev] [dpdk-stable] [PATCH v2] doc: add cross compile part for sample applications

[Thomas Monjalon]

17/09/2018 04:13, Gavin Hu:
> Fixes: 7cacb05655 ("doc: add generic build instructions for sample apps")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Gavin Hu <gavin.hu@arm.com>
> Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>

Applied, thanks