"pkg-config --cflags xft" instead of "pkg-config --cflags freetype2", updated debdiff is attached.
cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed
diff -Nru zita-bls1-0.1.0/debian/changelog zita-bls1-0.1.0/debian/changelog --- zita-bls1-0.1.0/debian/changelog 2016-12-27 14:29:40.000000000 +0200 +++ zita-bls1-0.1.0/debian/changelog 2019-01-11 13:30:27.000000000 +0200 @@ -1,3 +1,10 @@ +zita-bls1 (0.1.0-3.1) unstable; urgency=medium + + * Non-maintainer upload. + * Fix build without freetype-config. (Closes: #916130) + + -- Adrian Bunk <b...@debian.org> Fri, 11 Jan 2019 13:30:27 +0200 + zita-bls1 (0.1.0-3) unstable; urgency=medium * Set dh/compat 10. diff -Nru zita-bls1-0.1.0/debian/patches/no-freetype-config.patch zita-bls1-0.1.0/debian/patches/no-freetype-config.patch --- zita-bls1-0.1.0/debian/patches/no-freetype-config.patch 1970-01-01 02:00:00.000000000 +0200 +++ zita-bls1-0.1.0/debian/patches/no-freetype-config.patch 2019-01-11 13:30:27.000000000 +0200 @@ -0,0 +1,15 @@ +Description: freetype-config was removed, use pkg-config instead +Author: Adrian Bunk <b...@debian.org> +Bug-Debian: https://bugs.debian.org/916130 + +--- zita-bls1-0.1.0.orig/source/Makefile ++++ zita-bls1-0.1.0/source/Makefile +@@ -36,7 +36,7 @@ all: zita-bls1 + + ZITA-BLS1_O = zita-bls1.o styles.o jclient.o mainwin.o png2img.o guiclass.o rotary.o \ + hp3filt.o lfshelf2.o shuffler.o +-zita-bls1: CPPFLAGS += -I/usr/X11R6/include `freetype-config --cflags` ++zita-bls1: CPPFLAGS += -I/usr/X11R6/include `pkg-config --cflags xft` + zita-bls1: LDLIBS += -lzita-convolver -lfftw3f -lclxclient -lclthreads -ljack -lcairo -lpthread -lpng -lXft -lX11 -lrt + zita-bls1: LDFLAGS += -L/usr/X11R6/lib + zita-bls1: $(ZITA-BLS1_O) diff -Nru zita-bls1-0.1.0/debian/patches/series zita-bls1-0.1.0/debian/patches/series --- zita-bls1-0.1.0/debian/patches/series 2013-08-21 01:15:20.000000000 +0300 +++ zita-bls1-0.1.0/debian/patches/series 2019-01-11 13:30:27.000000000 +0200 @@ -1 +1,2 @@ 01-fix_prefix.patch +no-freetype-config.patch