[Buildroot] [PATCH v2 1/1] qemu: add support for python3
Baruch Siach
baruch at tkos.co.il
Tue Sep 4 18:47:21 UTC 2018
Hi Adam,
Adam Duskett writes:
> qemu 2.12.0 now supports building against python3.
> see: https://wiki.qemu.org/ChangeLog/2.12#Build_Dependencies
>
> Signed-off-by: Adam Duskett <aduskett at gmail.com>
> ---
> Changes v1 -> v2:
> - Split the python version check into two seperate checks for
> readability, one for the target, one for the host.
> - Fix location of the python version check for target and host.
>
> package/qemu/qemu.mk | 27 ++++++++++++++++++++++-----
> 1 file changed, 22 insertions(+), 5 deletions(-)
>
> diff --git a/package/qemu/qemu.mk b/package/qemu/qemu.mk
> index afb2aa92f6..6dd9ce4a62 100644
> --- a/package/qemu/qemu.mk
> +++ b/package/qemu/qemu.mk
> @@ -16,7 +16,7 @@ QEMU_LICENSE_FILES = COPYING COPYING.LIB
> #-------------------------------------------------------------
> # Target-qemu
>
> -QEMU_DEPENDENCIES = host-pkgconf host-python libglib2 zlib pixman
> +QEMU_DEPENDENCIES = host-pkgconf libglib2 zlib pixman
>
> # Need the LIBS variable because librt and libm are
> # not automatically pulled. :-(
> @@ -25,9 +25,19 @@ QEMU_LIBS = -lrt -lm
> QEMU_OPTS =
>
> QEMU_VARS = \
> - LIBTOOL=$(HOST_DIR)/bin/libtool \
> - PYTHON=$(HOST_DIR)/bin/python2 \
> + LIBTOOL=$(HOST_DIR)/bin/libtool
> +
> +ifeq ($(BR2_PACKAGE_PYTHON3),y)
> +QEMU_DEPENDENCIES += host-python3
> +QEMU_VARS += \
> + PYTHON=$(HOST_DIR)/bin/python3 \
> + PYTHONPATH=$(TARGET_DIR)/usr/lib/python$(PYTHON3_VERSION_MAJOR)/site-packages
> +else
> +QEMU_DEPENDENCIES += host-python
> +QEMU_VARS += \
> + PYTHON=$(HOST_DIR)/bin/python \
> PYTHONPATH=$(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages
> +endif
Can't we use the host installed python? Python is already a dependency
of Buildroot.
baruch
> # If we want to specify only a subset of targets, we must still enable all
> # of them, so that QEMU properly builds its list of default targets, from
> @@ -150,7 +160,7 @@ $(eval $(generic-package))
> #-------------------------------------------------------------
> # Host-qemu
>
> -HOST_QEMU_DEPENDENCIES = host-pkgconf host-python host-zlib host-libglib2 host-pixman
> +HOST_QEMU_DEPENDENCIES = host-pkgconf host-zlib host-libglib2 host-pixman
>
> # BR ARCH qemu
> # ------- ----
> @@ -263,12 +273,19 @@ define HOST_QEMU_CONFIGURE_CMDS
> --interp-prefix=$(STAGING_DIR) \
> --cc="$(HOSTCC)" \
> --host-cc="$(HOSTCC)" \
> - --python=$(HOST_DIR)/bin/python2 \
> --extra-cflags="$(HOST_CFLAGS)" \
> --extra-ldflags="$(HOST_LDFLAGS)" \
> $(HOST_QEMU_OPTS)
> endef
>
> +ifeq ($(BR2_PACKAGE_PYTHON3),y)
> +HOST_QEMU_DEPENDENCIES += host-python3
> +HOST_QEMU_CONFIGURE_CMDS += --python=$(HOST_DIR)/bin/python3
> +else
> +HOST_QEMU_DEPENDENCIES += host-python
> +HOST_QEMU_CONFIGURE_CMDS += --python=$(HOST_DIR)/bin/python2
> +endif
> +
> define HOST_QEMU_BUILD_CMDS
> $(HOST_MAKE_ENV) $(MAKE) -C $(@D)
> endef
--
http://baruch.siach.name/blog/ ~. .~ Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
- baruch at tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -
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