testing: Build hostapd from sources

There is a bug (fix at [1]) in hostapd 2.1-2.3 that let it crash when used
with the wired driver.  The package in jessie (and sid) is affected, so we
build it from sources (same, older, version as wpa_supplicant).

[1] http://w1.fi/cgit/hostap/commit/?id=e9b783d58c23a7bb50b2f25bce7157f1f3

testing/scripts/recipes/004_hostapd.mk

@@ -0,0 +1,39 @@
+#!/usr/bin/make
+
+PV  = 2.0
+PKG = hostapd-$(PV)
+TAR = $(PKG).tar.gz
+SRC = http://w1.fi/releases/$(TAR)
+
+NUM_CPUS := $(shell getconf _NPROCESSORS_ONLN)
+
+CONFIG_OPTS =
+
+PATCHES = \
+	hostapd-config
+
+SUBDIR = hostapd
+
+all: install
+
+$(TAR):
+	wget $(SRC)
+
+.$(PKG)-unpacked: $(TAR)
+	tar xfz $(TAR)
+	@touch $@
+
+.$(PKG)-patches-applied: .$(PKG)-unpacked
+	cd $(PKG) && cat $(addprefix ../patches/, $(PATCHES)) | patch -p1
+	@touch $@
+
+.$(PKG)-configured: .$(PKG)-patches-applied
+	cp $(PKG)/$(SUBDIR)/defconfig $(PKG)/$(SUBDIR)/.config
+	@touch $@
+
+.$(PKG)-built: .$(PKG)-configured
+	cd $(PKG)/$(SUBDIR) && make -j $(NUM_CPUS)
+	@touch $@
+
+install: .$(PKG)-built
+	cd $(PKG)/$(SUBDIR) && make install