#!/usr/bin/make -f

# Take advantage of PyPy if it's installed
PYTHON=$(shell command -v pypy > /dev/null && echo pypy || echo python2.7)

# PyPy doesn't harden well, and handles opt and debug itself
BUILDFLAGS_ENV := DEB_BUILD_MAINT_OPTIONS=hardening=-stackprotector,-fortify
BUILDFLAGS_ENV += DEB_CFLAGS_MAINT_STRIP="-O0 -O1 -O2 -O3 -Os -Ofast -g"
export CFLAGS = $(shell $(BUILDFLAGS_ENV) dpkg-buildflags --get CFLAGS)
export LDFLAGS = $(shell $(BUILDFLAGS_ENV) dpkg-buildflags --get LDFLAGS)

export PYPY_USESSION_BASENAME := debian
# Our multiarch patch expects DEB_HOST_MULTIARCH
include /usr/share/dpkg/architecture.mk

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
  SUB_MAKEFLAGS = -j$(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
endif

%:
	dh $@ --with sphinxdoc

override_dh_auto_configure:
	# This rule left intentionally empty

override_dh_auto_build-arch: pypy/goal/pypy-c
	$(MAKE) -C pypy/doc man BUILDDIR=$(CURDIR)/build-docs

	# Build cffi modules
	debian/scripts/build-cffi-modules.py
	debian/scripts/multiarch-extensions.sh

override_dh_auto_build-indep:
	$(MAKE) -C pypy/doc html BUILDDIR=$(CURDIR)/build-docs

pypy/goal/pypy-c: export TMPDIR = $(CURDIR)/build-tmp
pypy/goal/pypy-c: C_SRC_DIR = $(TMPDIR)/usession-$(PYPY_USESSION_BASENAME)-0/testing_1
pypy/goal/pypy-c:
	rm -rf $(TMPDIR)
	mkdir $(TMPDIR)
	debian/scripts/translate.sh --python $(PYTHON)
	# PyPy captures all make output, so we call it ourselves, to avoid timeouts:
	$(MAKE) -C $(C_SRC_DIR) $(SUB_MAKEFLAGS)
	cp $(C_SRC_DIR)/pypy-c $(C_SRC_DIR)/libpypy-c.so $(dir $@)

ifeq (,$(findstring nocheck,$(DEB_BUILD_OPTIONS)))
override_dh_auto_test-arch: export TMPDIR = $(CURDIR)/build-tests-tmp
override_dh_auto_test-arch: export HOME = $(TMPDIR)
override_dh_auto_test-arch:
	rm -rf $(TMPDIR) build-tests
	mkdir $(TMPDIR) build-tests
	# Test failures currently ignored
	PYTHONPATH=. $(PYTHON) -u testrunner/runner.py \
	                       --logfile=build-tests/pytest-A.log \
	                       --config=pypy/pytest-A.cfg \
	                       --root=pypy || true
	TERM=$${TERM:-dumb} $(PYTHON) -u pypy/test_all.py \
	          --pypy=pypy/goal/pypy-c \
	          --resultlog=build-tests/lib-python.log \
	          lib-python || true
	pypy/goal/pypy-c -u pypy/test_all.py \
	       --resultlog=build-tests/pypy-c.log \
	       pypy/module/pypyjit/test_pypy_c || true
endif

override_dh_auto_install:
	debian/scripts/gen-backend-versions.py

override_dh_fixperms-arch:
	debian/scripts/cleanup-lib.sh pypy-lib
	find debian/pypy-tk \( -name '*.pyc' -o -name '__pycache__' \) -delete
	# Fix interpreters
	find debian/pypy-tk \
	     -name '*.py' -print0 \
	     | xargs -0 sed -i -e '1s|^#!.*python.*|#!/usr/bin/pypy|'
	dh_fixperms -a

override_dh_fixperms-indep:
	debian/scripts/cleanup-lib.sh pypy-lib-testsuite
	dh_fixperms -i

override_dh_sphinxdoc-arch:
	# dh_sphinxdoc doesn't fail silently when there are no docs

override_dh_compress:
	dh_compress -X.inv -X.txt

override_dh_installdeb:
	set -e; for maintscript in preinst postinst prerm; do \
		sed -e 's/#VERSION#/$(VER)/g' \
		    -e 's/#ARCH#/$(shell dpkg-architecture -qDEB_HOST_ARCH)/g' \
		    debian/pypy.$$maintscript.in > debian/pypy.$$maintscript; \
	done
	dh_installdeb

HG_REPO ?= https://bitbucket.org/pypy/pypy
REV=$(shell dpkg-parsechangelog | sed -rne 's,^Version: .*hg([0-9]+).*,\1,p')
VER=$(shell dpkg-parsechangelog | sed -rne 's,^Version: (.+)\+dfsg-.*,\1,p')
get-packaged-orig-source:
	@echo "You can build this from a local repo by supplying the HG_REPO variable"
	rm -rf pypy-$(VER).orig
	hg clone $(HG_REPO) pypy-$(VER).orig
ifeq (,$(REV))
	cd pypy-$(VER).orig && hg up -r release-pypy2.7-v$(VER)
else
	cd pypy-$(VER).orig && hg up -r $(REV)
endif
	rm -rf pypy-$(VER).orig/.hg*
	rm pypy-$(VER).orig/lib-python/2.7/distutils/command/*.exe
	rm -rf pypy-$(VER).orig/lib-python/2.7/ensurepip/_bundled/
	tar -cJ --owner root --group root --mode a+rX \
	    -f pypy_$(VER)+dfsg.orig.tar.xz pypy-$(VER).orig
	rm -rf pypy-$(VER).orig