make Debian package build reproducible

Thanks to Chris Lamb for the patch (Closes: #920411)

Author: rcsanchez97

debian/changelog

@@ -1,3 +1,10 @@
+mongo-c-driver (1.13.1-2) UNRELEASED; urgency=medium
+
+  * Make build reproducible; thanks to Chris Lamb for the patch
+    (Closes: #920411)
+
+ -- Roberto C. Sanchez <[email protected]>  Mon, 28 Jan 2019 17:13:31 -0500
+
 mongo-c-driver (1.13.1-1) unstable; urgency=medium
 
   * New upstream release

debian/rules

@@ -30,6 +30,11 @@ override_dh_auto_configure:
 	-DENABLE_TESTS=OFF \
 	-DENABLE_ZLIB=SYSTEM
 
+override_dh_auto_install:
+	dh_auto_install
+	find $(CURDIR)/debian/tmp/usr/include -type f -name "*.h" -print0 | \
+		xargs -0r sed -i -e 's@\([" ]\)[^ ]*-f\(file\|debug\)-prefix-map=[^ ]*\([" ]\)@\1\3@g'
+
 #override_dh_install:
 #	dh_install -a -X.la -Xmongoc-stat -Xdoc/mongo-c-driver -Xdoc/libbson -Xman/man3 -X-priv.so -X-priv.pc --fail-missing