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package/devmem2: fix legal-info

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Fixes:
http://autobuild.buildroot.net/results/1c6/1c69c77d7b378f6f76790fb5ca0078d0db0c40f8

devmem2 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.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Korsgaard 2017-07-04 00:04:55 +02:00
parent 2ba0ec576e
commit a1b630779f
2 changed files with 7 additions and 1 deletions
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1
package/devmem2/devmem2.hash
View File

@ -1,2 +1,3 @@
# Locally calculated
sha256 3b15515693bae1ebd14d914e46d388edfec2175829ea1576a7a0c8606ebbe639 devmem2.c
sha256 560913d09310d446920c16bd0aca1ff21d3b6fedd527195bacfc832ce343e0ae devmem2.c.license

7
package/devmem2/devmem2.mk
View File

@ -8,12 +8,17 @@ DEVMEM2_SITE = http://free-electrons.com/pub/mirror
DEVMEM2_SOURCE = devmem2.c
DEVMEM2_VERSION = 1
DEVMEM2_LICENSE = GPL-2.0+
DEVMEM2_LICENSE_FILES = devmem2.c
DEVMEM2_LICENSE_FILES = devmem2.c.license
define DEVMEM2_EXTRACT_CMDS
cp $(DL_DIR)/$($(PKG)_SOURCE) $(@D)/
endef
define DEVMEM2_EXTRACT_LICENSE
head -n 38 $(@D)/devmem2.c >$(@D)/devmem2.c.license
endef
DEVMEM2_PRE_PATCH_HOOKS += DEVMEM2_EXTRACT_LICENSE
define DEVMEM2_BUILD_CMDS
$(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) devmem2
endef