[Buildroot] [PATCH] package/rtl8821cu: fix build failure due to missing Linux options

[Buildroot] [PATCH] package/rtl8821cu: fix build failure due to missing Linux options

[Giulio Benetti]

After fixing build failure due to missing Linux CONFIG_CFG80211 an error
of conflicting Big and Little endianness came out. So let's fix it by
disabling the default CONFIG_PLATFORM that is not CONFIG_PLATFORM_GENERIC
but CONFIG_PLATFORM_AUTODETECT.

Fixes:
http://autobuild.buildroot.net/results/aea/aea6bc1e4f89bd1010dfdc9caa54c37edb567d5f/

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
---
 package/rtl8821cu/rtl8821cu.mk | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/package/rtl8821cu/rtl8821cu.mk b/package/rtl8821cu/rtl8821cu.mk
index 18222e0014..501d849aca 100644
--- a/package/rtl8821cu/rtl8821cu.mk
+++ b/package/rtl8821cu/rtl8821cu.mk
@@ -9,6 +9,14 @@ RTL8821CU_SITE = $(call github,morrownr,8821cu-20210118,$(RTL8821CU_VERSION))
 RTL8821CU_LICENSE = GPL-2.0
 RTL8821CU_LICENSE_FILES = LICENSE
 
+define RTL8821CU_LINUX_CONFIG_FIXUPS
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NET)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_WIRELESS)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_CFG80211)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_USB_SUPPORT)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_USB)
+endef
+
 RTL8821CU_USER_EXTRA_CFLAGS = \
 	-DCONFIG_$(call qstrip,$(BR2_ENDIAN))_ENDIAN \
 	-DCONFIG_IOCTL_CFG80211 \
@@ -16,7 +24,7 @@ RTL8821CU_USER_EXTRA_CFLAGS = \
 	-Wno-error
 
 RTL8821CU_MODULE_MAKE_OPTS = \
-	CONFIG_PLATFORM_GENERIC=n \
+	CONFIG_PLATFORM_AUTODETECT=n \
 	CONFIG_RTL8821CU=m \
 	KVER=$(LINUX_VERSION_PROBED) \
 	USER_EXTRA_CFLAGS="$(RTL8821CU_USER_EXTRA_CFLAGS)"
-- 
2.34.1

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Re: [Buildroot] [PATCH] package/rtl8821cu: fix build failure due to missing Linux options

[Christian Stewart via buildroot]

 Hi Giulio,

On Fri, Jan 13, 2023 at 4:24 PM Giulio Benetti
<giulio.benetti@benettiengineering.com> wrote:
>
> After fixing build failure due to missing Linux CONFIG_CFG80211 an error
> of conflicting Big and Little endianness came out. So let's fix it by
> disabling the default CONFIG_PLATFORM that is not CONFIG_PLATFORM_GENERIC
> but CONFIG_PLATFORM_AUTODETECT.
>
> Fixes:
> http://autobuild.buildroot.net/results/aea/aea6bc1e4f89bd1010dfdc9caa54c37edb567d5f/
>
> Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>

Reviewed-by: Christian Stewart <christian@paral.in>
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Re: [Buildroot] [PATCH] package/rtl8821cu: fix build failure due to missing Linux options

[Giulio Benetti]

On 14/01/23 01:24, Giulio Benetti wrote:
> After fixing build failure due to missing Linux CONFIG_CFG80211 an error
> of conflicting Big and Little endianness came out. So let's fix it by
> disabling the default CONFIG_PLATFORM that is not CONFIG_PLATFORM_GENERIC
> but CONFIG_PLATFORM_AUTODETECT.

Here I'm wrong. CONFIG_PLATFORM_GENERIC is still generic with this git 
SHA1. So I'm going to send V2.

Please drop this
Sorry for the noise
Best regards
-- 
Giulio Benetti
Benetti Engineering sas

> Fixes:
> http://autobuild.buildroot.net/results/aea/aea6bc1e4f89bd1010dfdc9caa54c37edb567d5f/
> 
> Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
> ---
>   package/rtl8821cu/rtl8821cu.mk | 10 +++++++++-
>   1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/package/rtl8821cu/rtl8821cu.mk b/package/rtl8821cu/rtl8821cu.mk
> index 18222e0014..501d849aca 100644
> --- a/package/rtl8821cu/rtl8821cu.mk
> +++ b/package/rtl8821cu/rtl8821cu.mk
> @@ -9,6 +9,14 @@ RTL8821CU_SITE = $(call github,morrownr,8821cu-20210118,$(RTL8821CU_VERSION))
>   RTL8821CU_LICENSE = GPL-2.0
>   RTL8821CU_LICENSE_FILES = LICENSE
>   
> +define RTL8821CU_LINUX_CONFIG_FIXUPS
> +	$(call KCONFIG_ENABLE_OPT,CONFIG_NET)
> +	$(call KCONFIG_ENABLE_OPT,CONFIG_WIRELESS)
> +	$(call KCONFIG_ENABLE_OPT,CONFIG_CFG80211)
> +	$(call KCONFIG_ENABLE_OPT,CONFIG_USB_SUPPORT)
> +	$(call KCONFIG_ENABLE_OPT,CONFIG_USB)
> +endef
> +
>   RTL8821CU_USER_EXTRA_CFLAGS = \
>   	-DCONFIG_$(call qstrip,$(BR2_ENDIAN))_ENDIAN \
>   	-DCONFIG_IOCTL_CFG80211 \
> @@ -16,7 +24,7 @@ RTL8821CU_USER_EXTRA_CFLAGS = \
>   	-Wno-error
>   
>   RTL8821CU_MODULE_MAKE_OPTS = \
> -	CONFIG_PLATFORM_GENERIC=n \
> +	CONFIG_PLATFORM_AUTODETECT=n \
>   	CONFIG_RTL8821CU=m \
>   	KVER=$(LINUX_VERSION_PROBED) \
>   	USER_EXTRA_CFLAGS="$(RTL8821CU_USER_EXTRA_CFLAGS)"

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