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python-cffi: add host variant

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Host variant is needed to cross-compile CFFI based C library wrappers.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
[Thomas:
 - add dependency on host-pkgconf for the host package variant.
 - add various environment variables needed to make pkg-config behave
   properly when building host-python-cffi. Otherwise, pkg-config
   returns values that are appropriate to build things for the target,
   and the build fails.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yegor Yefremov 2016-01-05 08:17:24 +01:00 committed by Thomas Petazzoni
parent 60093650c8
commit ce726bae31
1 changed files with 12 additions and 0 deletions
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12
package/python-cffi/python-cffi.mk
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@ -12,4 +12,16 @@ PYTHON_CFFI_DEPENDENCIES = host-pkgconf libffi
PYTHON_CFFI_LICENSE = MIT
PYTHON_CFFI_LICENSE_FILES = LICENSE
# This host package uses pkg-config to find libffi, so we have to
# provide the proper hints for pkg-config to behave properly for host
# packages.
HOST_PYTHON_CFFI_ENV = \
PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
PKG_CONFIG_SYSROOT_DIR="/" \
PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig:$(HOST_DIR)/usr/share/pkgconfig"
HOST_PYTHON_CFFI_DEPENDENCIES = host-pkgconf host-python-pycparser host-libffi
$(eval $(python-package))
$(eval $(host-python-package))