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busybox: adjust configuration for non-MMU targets

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The swaponoff applet doesn't build (and doesn't make sense) on non-MMU
platforms.

The ash shell cannot build on non-MMU platforms (because it uses
fork()), so select the hush shell instead.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Thomas Petazzoni 2011-05-30 23:56:59 +02:00 committed by Peter Korsgaard
parent 837a85e70c
commit 85e54a6b77
1 changed files with 9 additions and 0 deletions
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9
package/busybox/busybox.mk
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@ -133,6 +133,14 @@ define BUSYBOX_INTERNAL_SHADOW_PASSWORDS
endef
endif
ifeq ($(BR2_USE_MMU),)
define BUSYBOX_DISABLE_MMU_APPLETS
$(call KCONFIG_DISABLE_OPT,CONFIG_SWAPONOFF,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_DISABLE_OPT,CONFIG_ASH,$(BUSYBOX_BUILD_CONFIG))
$(call KCONFIG_ENABLE_OPT,CONFIG_HUSH,$(BUSYBOX_BUILD_CONFIG))
endef
endif
# We do this here to avoid busting a modified .config in configure
BUSYBOX_POST_EXTRACT_HOOKS += BUSYBOX_COPY_CONFIG
@ -147,6 +155,7 @@ define BUSYBOX_CONFIGURE_CMDS
$(BUSYBOX_NETKITBASE)
$(BUSYBOX_NETKITTELNET)
$(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
$(BUSYBOX_DISABLE_MMU_APPLETS)
@yes "" | $(MAKE) ARCH=$(KERNEL_ARCH) CROSS_COMPILE="$(TARGET_CROSS)" \
-C $(@D) oldconfig
endef