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UPSTREAM: KEYS: Have make canonicalise the paths of the X.509 certs better to deduplicate 

Have make canonicalise the paths of the X.509 certificates before we sort them
as this allows $(sort) to better remove duplicates.

BUG: 27175947

Signed-off-by: David Howells <dhowells@redhat.com>
Change-Id: I1124185786073e4c6ec4f45886ee65a6f7f2b656
This commit is contained in:
David Howells 2013-08-30 17:13:15 +01:00 committed by Srinivasarao P
parent 4a73e98058
commit d07d00b0c5
1 changed files with 9 additions and 3 deletions
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12
kernel/Makefile
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@ -124,13 +124,19 @@ $(obj)/timeconst.h: $(obj)/hz.bc $(src)/timeconst.bc FORCE
ifeq ($(CONFIG_MODULE_SIG),y)
###############################################################################
#
# Roll all the X.509 certificates that we can find together and pull
# them into the kernel.
# Roll all the X.509 certificates that we can find together and pull them into
# the kernel.
#
# We look in the source root and the build root for all files whose name ends
# in ".x509". Unfortunately, this will generate duplicate filenames, so we
# have make canonicalise the pathnames and then sort them to discard the
# duplicates.
#
###############################################################################
X509_CERTIFICATES-y := $(wildcard *.x509) $(wildcard $(srctree)/*.x509)
X509_CERTIFICATES-$(CONFIG_MODULE_SIG) += signing_key.x509
X509_CERTIFICATES := $(sort $(X509_CERTIFICATES-y))
X509_CERTIFICATES := $(sort $(foreach CERT,$(X509_CERTIFICATES-y), \
$(or $(realpath $(CERT)),$(CERT))))
ifeq ($(X509_CERTIFICATES),)
$(warning *** No X.509 certificates found ***)