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busybox: disable PAM in the config if linux-pam is not selected

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Currently there is only logic to enable PAM when linux-pam is selected.
However, busybox will fail to build with PAM enabled if the linux-pam
package has not been built before. So we should forcibly disable PAM in
busybox in that case.

Normally this is not an issue since our default busybox config doesn't
have PAM enabled. However, if you enable linux-pam, then save the
busybox config to a custom configuration file, then disable linux-pam
again, and then do a "make clean; make", the build will fail. A more
practical situation where this can occur is when the same custom
busybox config is used in a Buildroot config with and without
linux-pam.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Reviewed-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Arnout Vandecappelle (Essensium/Mind) 2018-03-26 14:00:06 +02:00 committed by Peter Korsgaard
parent eaa63edbee
commit 0876b02366
1 changed files with 4 additions and 0 deletions
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4
package/busybox/busybox.mk
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@ -248,6 +248,10 @@ define BUSYBOX_LINUX_PAM
$(call KCONFIG_ENABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
endef
BUSYBOX_DEPENDENCIES += linux-pam
else
define BUSYBOX_LINUX_PAM
$(call KCONFIG_DISABLE_OPT,CONFIG_PAM,$(BUSYBOX_BUILD_CONFIG))
endef
endif
# Telnet support