From 2a8d6db055c262adc56559701eb7f75466e1a391 Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Mon, 30 Jan 2017 19:37:47 +0000
Subject: [PATCH] Build with -DSC16Q11_TABLE_BITS=8 on armhf

---
 debian/rules | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/debian/rules b/debian/rules
index c8a2de0..8e9e082 100755
--- a/debian/rules
+++ b/debian/rules
@@ -12,13 +12,15 @@ export DH_VERBOSE=1
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 DPKG_EXPORT_BUILDFLAGS = 1
-include /usr/share/dpkg/buildflags.mk
+include /usr/share/dpkg/default.mk
 
-DUMP1090_VERSION=$(shell dpkg-parsechangelog | sed -n 's/^Version: /v/p')
-SRCNAME=$(shell dpkg-parsechangelog | sed -n 's/^Source: //p')
+ifeq ($(DEB_HOST_ARCH),armhf)
+  # Assume a Pi-like target, where using an 8-bit table is a fairly big win over the float path
+  CPPFLAGS += -DSC16Q11_TABLE_BITS=8
+endif
 
 override_dh_auto_build:
-	dh_auto_build -- HTMLPATH=/usr/share/$(SRCNAME)/html DUMP1090_VERSION=$(DUMP1090_VERSION) RTLSDR_PREFIX=/usr
+	dh_auto_build -- HTMLPATH=/usr/share/$(DEB_SOURCE)/html DUMP1090_VERSION=$(DEB_VERSION) RTLSDR_PREFIX=/usr
 
 override_dh_install:
 	dh_install