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build: copy contents of 'src' folder to build dirs (if present)

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The normal Prepare step for a build is unpack, apply patches.
But for certain packages, patches contain whole files, which
would be nice to have separately and copied over as a last step
in the Prepare phase.

We need it for some other packages + patches, but I think
the 'hostapd' package can be used as a test for this.

As a quick note:
the reason the condition is being evaluated as
`[ ! -d ./src/ ] || $(CP) ./src/* $(HOST_BUILD_DIR)`
and not with
`[ -d ./src/ ] && $(CP) ./src/* $(HOST_BUILD_DIR)`
is that the latter would translate in a build failure if the `src`
folder is not present (the exit code would be 1).
The first one, succeeds for both cases (if `src` present or not).

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
This commit is contained in:
Alexandru Ardelean 2016-10-05 17:28:46 +03:00 committed by John Crispin
parent 02d5f9477b
commit 7c8c3226dc
2 changed files with 2 additions and 0 deletions
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1
include/host-build.mk
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@ -43,6 +43,7 @@ Host/Patch:=$(Host/Patch/Default)
ifneq ($(strip $(HOST_UNPACK)),)
define Host/Prepare/Default
$(HOST_UNPACK)
[ ! -d ./src/ ] || $(CP) ./src/* $(HOST_BUILD_DIR)
$(Host/Patch)
endef
endif

1
include/package-defaults.mk
View file

@ -62,6 +62,7 @@ Build/Patch:=$(Build/Patch/Default)
ifneq ($(strip $(PKG_UNPACK)),)
define Build/Prepare/Default
$(PKG_UNPACK)
[ ! -d ./src/ ] || $(CP) ./src/* $(PKG_BUILD_DIR)
$(Build/Patch)
endef
endif