allow compiling without ncurses.pc

Makefile

@@ -1,9 +1,10 @@
-PROGS=pdftoroff pdffit pdfrects hovacui xhovacui
+PROGS=pdftoroff pdffit pdfrects hovacui fbhovacui xhovacui
 
 CFLAGS+=-g -Wall -Wextra -Wformat -Wformat-security
 CFLAGS+=${shell pkg-config --cflags poppler-glib}
 LDFLAGS+=${shell pkg-config --libs poppler-glib}
-fbhovacui hovacui: LDFLAGS+=${shell pkg-config --libs ncurses}
+fbhovacui hovacui: LDFLAGS+=\
+	${shell pkg-config --libs ncurses || echo '' -lncurses -ltinfo}
 xhovacui hovacui: LDFLAGS+=${shell pkg-config --libs x11}
 
 all: ${PROGS}
@@ -16,7 +17,7 @@ install: all
 
 pdftoroff: pdftext.o
 pdfrects: pdfrects-main.o
-pdftoroff pdffit pdfrects hovacui xhovacui: pdfrects.o
+pdftoroff pdffit pdfrects hovacui fbhovacui xhovacui: pdfrects.o
 fbhovacui: cairofb.o vt.o hovacui.o fbhovacui.o
 xhovacui: cairofb.o vt.o hovacui.o xhovacui.o
 hovacui: cairofb.o vt.o hovacui.o hovacui-main.o