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From: Martin Jansa <martin.jansa@gmail.com>
To: openembedded-core@lists.openembedded.org
Date: Fri, 29 Nov 2013 23:52:29 +0100
Message-Id: <1385765549-20934-1-git-send-email-Martin.Jansa@gmail.com>
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Subject: [PATCH] cpan-base: Add vardepvalue to get_perl_version function
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* without this bitbake -S perf shows following error:
  ERROR: Bitbake's cached basehash does not match the one we just generated
    (/OE/oe-core/meta/recipes-kernel/perf/perf.bb.do_package)!
  if you run it twice, once without perl in sysroot and once with perl
  already built

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
---
 meta/classes/cpan-base.bbclass | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/meta/classes/cpan-base.bbclass b/meta/classes/cpan-base.bbclass
index 7e1e8d0..609fde6 100644
--- a/meta/classes/cpan-base.bbclass
+++ b/meta/classes/cpan-base.bbclass
@@ -10,6 +10,9 @@ RDEPENDS_${PN} += "${@["perl", ""][(bb.data.inherits_class('native', d))]}"
 PERL_OWN_DIR = "${@["", "/perl-native"][(bb.data.inherits_class('native', d))]}"
 
 # Determine the staged version of perl from the perl configuration file
+# Assign vardepvalue, because otherwise signature is changed before and after
+# perl is built (from None to real version in config.sh).
+get_perl_version[vardepvalue] = "${STAGING_LIBDIR}${PERL_OWN_DIR}"
 def get_perl_version(d):
     import re
     cfg = d.expand('${STAGING_LIBDIR}${PERL_OWN_DIR}/perl/config.sh')
-- 
1.8.4.3