[Mod] First commit

package/micropython/micropython.mk

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+################################################################################
+#
+# micropython
+#
+################################################################################
+
+MICROPYTHON_VERSION = 1.19
+MICROPYTHON_SITE = $(call github,micropython,micropython,v$(MICROPYTHON_VERSION))
+# Micropython has a lot of code copied from other projects, and also a number
+# of submodules for various libs. However, we don't even clone the submodules,
+# and most of the copied code is not used in the unix build.
+MICROPYTHON_LICENSE = MIT, BSD-1-Clause, BSD-3-Clause, Zlib
+MICROPYTHON_LICENSE_FILES = LICENSE
+MICROPYTHON_DEPENDENCIES = host-pkgconf libffi host-python3
+
+# Set GIT_DIR so package won't use buildroot's version number
+MICROPYTHON_MAKE_ENV = \
+	$(TARGET_MAKE_ENV) \
+	GIT_DIR=.
+
+# Use fallback implementation for exception handling on architectures that don't
+# have explicit support.
+ifeq ($(BR2_i386)$(BR2_x86_64)$(BR2_arm)$(BR2_armeb),)
+MICROPYTHON_CFLAGS = -DMICROPY_GCREGS_SETJMP=1
+endif
+
+# xtensa has problems with nlr_push, use setjmp based implementation instead
+ifeq ($(BR2_xtensa),y)
+MICROPYTHON_CFLAGS = -DMICROPY_NLR_SETJMP=1
+endif
+
+# When building from a tarball we don't have some of the dependencies that are in
+# the git repository as submodules
+MICROPYTHON_MAKE_OPTS += \
+	MICROPY_PY_BTREE=0 \
+	MICROPY_PY_USSL=0 \
+	CROSS_COMPILE=$(TARGET_CROSS) \
+	CFLAGS_EXTRA=$(MICROPYTHON_CFLAGS) \
+	CWARN=
+
+define MICROPYTHON_BUILD_CMDS
+	$(MICROPYTHON_MAKE_ENV) $(MAKE) -C $(@D)/mpy-cross
+	$(MICROPYTHON_MAKE_ENV) $(MAKE) -C $(@D)/ports/unix \
+		$(MICROPYTHON_MAKE_OPTS)
+endef
+
+define MICROPYTHON_INSTALL_TARGET_CMDS
+	$(MICROPYTHON_MAKE_ENV) $(MAKE) -C $(@D)/ports/unix \
+		$(MICROPYTHON_MAKE_OPTS) \
+		DESTDIR=$(TARGET_DIR) \
+		PREFIX=/usr \
+		install
+endef
+
+$(eval $(generic-package))