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package/cache-calibrator: fix legal-info

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Fixes:
http://autobuild.buildroot.net/results/e1b/e1b3dee917f5ab3961f3dea006720431444d0ef5/

cache-calibrator is a single C file that is downloaded as-is, and we
patch it. We also use that file as the license file.

Thus, the file when it is downloaded has a specific hash, but when
saved by legal-info, it has a different hash.

However, we can't store two different hashes for the same _filename_
with different content.

So, we extract the license file as a pre-patch hook, and store it in a
separate file, for which we can now add a hash.

[Peter: add autobuilder reference]
Reported-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Stephan Hoffmann <sho@relinux.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Yann E. MORIN 2017-07-03 23:30:01 +02:00 committed by Peter Korsgaard
parent b3a0afd47f
commit 2ba0ec576e
2 changed files with 7 additions and 1 deletions
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1
package/cache-calibrator/cache-calibrator.hash
View File

@ -1,2 +1,3 @@
# Locally calculated
sha256 2018ed8fa733155d44ceb1c0066c5cf8df7771cdf7cfca0a07b8dd9bebd9c221 calibrator.c
sha256 a853663f5b4fb3ad77bf2790ab53146f456b8d9b9ddf83b99fe28c0bdec42514 calibrator.c.license

7
package/cache-calibrator/cache-calibrator.mk
View File

@ -7,12 +7,17 @@
CACHE_CALIBRATOR_SOURCE = calibrator.c
CACHE_CALIBRATOR_SITE = http://homepages.cwi.nl/~manegold/Calibrator/src
CACHE_CALIBRATOR_LICENSE = Cache calibrator license
CACHE_CALIBRATOR_LICENSE_FILES = calibrator.c
CACHE_CALIBRATOR_LICENSE_FILES = calibrator.c.license
define CACHE_CALIBRATOR_EXTRACT_CMDS
cp $(DL_DIR)/$(CACHE_CALIBRATOR_SOURCE) $(@D)
endef
define CACHE_CALIBRATOR_EXTRACT_LICENSE
head -n 38 $(@D)/calibrator.c >$(@D)/calibrator.c.license
endef
CACHE_CALIBRATOR_PRE_PATCH_HOOKS += CACHE_CALIBRATOR_EXTRACT_LICENSE
define CACHE_CALIBRATOR_BUILD_CMDS
$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS) $(@D)/calibrator.c -o $(@D)/cache_calibrator -lm
endef