configs/stm32f4xx_defconfig: off network utils from busybox

Kernel is built without network support, so network utils are useless.
This has a positive impact on the size of busybox and xipImage, making
them smaller.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Giulio Benetti <giulio.benetti@benettiegineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

board/stmicroelectronics/common/stm32f4xx/busybox.fragment

@@ -0,0 +1,21 @@
+# CONFIG_FEATURE_HWIB is not set
+# CONFIG_HOSTNAME is not set
+# CONFIG_DNSDOMAINNAME is not set
+# CONFIG_FEATURE_HTTPD_PORT_DEFAULT is not set
+# CONFIG_IFCONFIG is not set
+# CONFIG_FEATURE_IFCONFIG_HW is not set
+# CONFIG_FEATURE_IFCONFIG_BROADCAST_PLUS is not set
+# CONFIG_IFUP is not set
+# CONFIG_IFDOWN is not set
+# CONFIG_IP is not set
+# CONFIG_IPADDR is not set
+# CONFIG_IPLINK is not set
+# CONFIG_IPROUTE is not set
+# CONFIG_NC is not set
+# CONFIG_NETSTAT is not set
+# CONFIG_PING is not set
+# CONFIG_ROUTE is not set
+# CONFIG_TC is not set
+# CONFIG_TELNET is not set
+# CONFIG_WGET is not set
+# CONFIG_UDHCPC is not set

board/stmicroelectronics/common/stm32f4xx/stm32-post-build.sh

@@ -1,4 +1,7 @@
 #!/bin/sh
 
+# Busybox is built without network support
+sed -i '/hostname/d' ${TARGET_DIR}/etc/inittab
+
 # Kernel is built without devpts support
 sed -i '/^devpts/d' ${TARGET_DIR}/etc/fstab

configs/stm32f429_disco_xip_defconfig

@@ -14,6 +14,7 @@ BR2_LINUX_KERNEL_IMAGE_TARGET_NAME="xipImage"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="stm32f429-disco"
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-minimal.config"
+BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="board/stmicroelectronics/common/stm32f4xx/busybox.fragment"
 # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
 BR2_TARGET_ROOTFS_INITRAMFS=y
 # BR2_TARGET_ROOTFS_TAR is not set

configs/stm32f469_disco_sd_defconfig

@@ -14,6 +14,7 @@ BR2_LINUX_KERNEL_IMAGE_TARGET_NAME="zImage"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="stm32f469-disco"
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-minimal.config"
+BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="board/stmicroelectronics/common/stm32f4xx/busybox.fragment"
 # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_SIZE="32M"

configs/stm32f469_disco_xip_defconfig

@@ -14,6 +14,7 @@ BR2_LINUX_KERNEL_IMAGE_TARGET_NAME="xipImage"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="stm32f469-disco"
 BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-minimal.config"
+BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="board/stmicroelectronics/common/stm32f4xx/busybox.fragment"
 # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
 BR2_TARGET_ROOTFS_INITRAMFS=y
 # BR2_TARGET_ROOTFS_TAR is not set