kconfig: Move REGEX to Kconfig

Having this as a Kconfig allows it to be a dependent feature.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

configs/acadia_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_ACADIA=y
+CONFIG_REGEX=y

configs/bamboo_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_BAMBOO=y
+CONFIG_REGEX=y

configs/bubinga_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_BUBINGA=y
+CONFIG_REGEX=y

configs/canyonlands_defconfig

@@ -5,3 +5,4 @@ CONFIG_CANYONLANDS=y
 CONFIG_DEFAULT_DEVICE_TREE="canyonlands"
 CONFIG_OF_CONTROL=y
 CONFIG_OF_EMBED=y
+CONFIG_REGEX=y

configs/dlvision-10g_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_DLVISION_10G=y
+CONFIG_REGEX=y

configs/dlvision_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_DLVISION=y
+CONFIG_REGEX=y

configs/ebony_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_EBONY=y
+CONFIG_REGEX=y

configs/gdppc440etx_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_GDPPC440ETX=y
+CONFIG_REGEX=y

configs/icon_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_ICON=y
+CONFIG_REGEX=y

configs/intip_defconfig

@@ -2,3 +2,4 @@ CONFIG_SYS_EXTRA_OPTIONS="INTIB"
 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_INTIP=y
+CONFIG_REGEX=y

configs/io64_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_IO64=y
+CONFIG_REGEX=y

configs/io_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_IO=y
+CONFIG_REGEX=y

configs/iocon_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_IOCON=y
+CONFIG_REGEX=y

configs/katmai_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_KATMAI=y
+CONFIG_REGEX=y

configs/kilauea_defconfig

@@ -2,3 +2,4 @@ CONFIG_SYS_EXTRA_OPTIONS="KILAUEA"
 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_KILAUEA=y
+CONFIG_REGEX=y

configs/luan_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_LUAN=y
+CONFIG_REGEX=y

configs/m28evk_defconfig

 CONFIG_SPL=y
 CONFIG_ARM=y
 CONFIG_TARGET_M28EVK=y
+CONFIG_REGEX=y

configs/m53evk_defconfig

@@ -2,3 +2,4 @@ CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/denx/m53evk/imximage.cfg"
 CONFIG_ARM=y
 CONFIG_TARGET_M53EVK=y
+CONFIG_REGEX=y

configs/makalu_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_MAKALU=y
+CONFIG_REGEX=y

configs/neo_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_NEO=y
+CONFIG_REGEX=y

configs/novena_defconfig

@@ -2,3 +2,4 @@ CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6Q"
 CONFIG_ARM=y
 CONFIG_TARGET_KOSAGI_NOVENA=y
+CONFIG_REGEX=y

configs/ocotea_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_OCOTEA=y
+CONFIG_REGEX=y

configs/redwood_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_REDWOOD=y
+CONFIG_REGEX=y

configs/sequoia_defconfig

@@ -2,3 +2,4 @@ CONFIG_SYS_EXTRA_OPTIONS="SEQUOIA"
 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_SEQUOIA=y
+CONFIG_REGEX=y

configs/socfpga_arria5_defconfig

@@ -4,3 +4,4 @@ CONFIG_ARCH_SOCFPGA=y
 CONFIG_TARGET_SOCFPGA_ARRIA5=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="socfpga_arria5_socdk"
+CONFIG_REGEX=y

configs/socfpga_cyclone5_defconfig

@@ -7,3 +7,4 @@ CONFIG_DEFAULT_DEVICE_TREE="socfpga_cyclone5_socdk"
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_NETDEVICES=y
 CONFIG_NET=y
+CONFIG_REGEX=y

configs/t3corp_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_T3CORP=y
+CONFIG_REGEX=y

configs/taihu_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_TAIHU=y
+CONFIG_REGEX=y

configs/taishan_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_TAISHAN=y
+CONFIG_REGEX=y

configs/walnut_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_WALNUT=y
+CONFIG_REGEX=y

configs/yosemite_defconfig

@@ -2,3 +2,4 @@ CONFIG_SYS_EXTRA_OPTIONS="YOSEMITE"
 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_YOSEMITE=y
+CONFIG_REGEX=y

configs/yucca_defconfig

 CONFIG_PPC=y
 CONFIG_4xx=y
 CONFIG_TARGET_YUCCA=y
+CONFIG_REGEX=y

include/configs/amcc-common.h

@@ -106,7 +106,6 @@
 #define CONFIG_LOADS_ECHO		/* echo on for serial download	*/
 #define CONFIG_SYS_LOADS_BAUD_CHANGE	/* allow baudrate change	*/
 
-#define CONFIG_REGEX			/* Enable regular expression support */
 /*
  * BOOTP options
  */

include/configs/m28evk.h

@@ -49,7 +49,6 @@
 #define CONFIG_CMD_USB
 #define	CONFIG_VIDEO
 
-#define CONFIG_REGEX			/* Enable regular expression support */
 
 /* Memory configuration */
 #define CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */

include/configs/m53evk.h

@@ -51,7 +51,6 @@
 #define CONFIG_CMD_USB
 #define CONFIG_VIDEO
 
-#define CONFIG_REGEX			/* Enable regular expression support */
 
 /*
  * Memory configurations

include/configs/novena.h

@@ -22,7 +22,6 @@
 #define CONFIG_KEYBOARD
 #define CONFIG_MXC_GPIO
 #define CONFIG_OF_LIBFDT
-#define CONFIG_REGEX
 #define CONFIG_SYS_GENERIC_BOARD
 #define CONFIG_SYS_NO_FLASH
 

include/configs/socfpga_arria5.h

@@ -37,7 +37,6 @@
 #define CONFIG_CMD_USB
 #define CONFIG_CMD_USB_MASS_STORAGE
 
-#define CONFIG_REGEX			/* Enable regular expression support */
 
 /* Memory configurations */
 #define PHYS_SDRAM_1_SIZE		0x40000000	/* 1GiB on SoCDK */

include/configs/socfpga_cyclone5.h

@@ -37,7 +37,6 @@
 #define CONFIG_CMD_USB
 #define CONFIG_CMD_USB_MASS_STORAGE
 
-#define CONFIG_REGEX			/* Enable regular expression support */
 
 /* Memory configurations */
 #define PHYS_SDRAM_1_SIZE		0x40000000	/* 1GiB on SoCDK */

lib/Kconfig

@@ -36,6 +36,14 @@ config SYS_VSNPRINTF
 	  Thumb-2, about 420 bytes). Enable this option for safety when
 	  using sprintf() with data you do not control.
 
+config REGEX
+	bool "Enable regular expression support"
+	help
+	  If this variable is defined, U-Boot is linked against the
+	  SLRE (Super Light Regular Expression) library, which adds
+	  regex support to some commands, for example "env grep" and
+	  "setexpr".
+
 source lib/rsa/Kconfig
 
 menu "Hashing Support"