Makefile: also check for ncurses6 - tty-clock - port of tty-clock to OpenBSD, with pledge/unveil added as goodie.
  HTML git clone https://git.drkhsh.at/tty-clock.git
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit 0cec6b099385d0db33fe81ae3d0d34e15ed40430
   DIR parent c26a221e320b870d01d29cf8a1091729621237e4
  HTML Author: François Revol <revol@free.fr>
       Date:   Mon, 20 Aug 2018 16:24:25 +0200
       
       Makefile: also check for ncurses6
       
       Note some cross-compilers might not install the ncurses config scripts
       and only the pkg-config files, but at least the atari SDK from NS does.
       
       For others it might be required to check for the .pc files first.
       
       Diffstat:
         M Makefile                            |       8 +++++++-
       
       1 file changed, 7 insertions(+), 1 deletion(-)
       ---
   DIR diff --git a/Makefile b/Makefile
       @@ -9,7 +9,13 @@ PREFIX ?= /usr/local
        INSTALLPATH ?= ${DESTDIR}${PREFIX}/bin
        MANPATH ?= ${DESTDIR}${PREFIX}/share/man/man1
        
       -ifeq ($(shell sh -c 'which ncurses5-config>/dev/null 2>/dev/null && echo y'), y)
       +ifeq ($(shell sh -c 'which ncurses6-config>/dev/null 2>/dev/null && echo y'), y)
       +        CFLAGS += -Wall -g $$(ncurses6-config --cflags)
       +        LDFLAGS += $$(ncurses6-config --libs)
       +else ifeq ($(shell sh -c 'which ncursesw6-config>/dev/null 2>/dev/null && echo y'), y)
       +                CFLAGS += -Wall -g $$(ncursesw6-config --cflags)
       +                LDFLAGS += $$(ncursesw6-config --libs)
       +else ifeq ($(shell sh -c 'which ncurses5-config>/dev/null 2>/dev/null && echo y'), y)
                CFLAGS += -Wall -g $$(ncurses5-config --cflags)
                LDFLAGS += $$(ncurses5-config --libs)
        else ifeq ($(shell sh -c 'which ncursesw5-config>/dev/null 2>/dev/null && echo y'), y)