Cut compile time by compiling only what's needed

Changed what gets compiled in tiff and libpng so we no longer build
all the tools and misc executables/tests

iomedley/Makefile.in

@@ -72,10 +72,11 @@ $(LIBGIF):
 	cd $(LIBGIFDIR) && $(MAKE)
 
 $(LIBTIFF):
-	cd $(LIBTIFFDIR) && $(MAKE)
+	cd $(LIBTIFFDIR)/port && $(MAKE)
+	cd $(LIBTIFFDIR)/libtiff && $(MAKE)
 
 $(LIBPNG):
-	cd $(LIBPNGDIR) && $(MAKE)
+	cd $(LIBPNGDIR) && $(MAKE) $(LIBPNG)
 
 $(LIBJPEG):
 	cd $(LIBJPEGDIR) && $(MAKE) $(LIBJPEG)

iomedley/configure

@@ -4489,7 +4489,7 @@ $as_echo "#define HAVE_LIBZ 1" >>confdefs.h
 
 $as_echo "#define HAVE_LIBPNG 1" >>confdefs.h
 
-	libpng="libpng16.a"
+	libpng="libpng16.la"
 	libpngdir="libpng-1.6.23"
 	save_CFLAGS="$CFLAGS" save_LIBS="$LIBS" save_LDFLAGS="$LDFLAGS"
 	CFLAGS="$CFLAGS -I$libpngdir" LIBS="$LIBS -lpng16" LDFLAGS="$LDFLAGS -L$libpngdir/.libs"

iomedley/configure.ac

@@ -60,7 +60,7 @@ dnl Warn the user if zlib not found
 if test "$found_libz" = "yes"; then
 	AC_DEFINE(HAVE_LIBZ, 1, [ define to 1 if you have libz ] )
 	AC_DEFINE(HAVE_LIBPNG, 1, [ define to 1 if you have libpng ] )
-	libpng="libpng16.a"
+	libpng="libpng16.la"
 	libpngdir="libpng-1.6.23"
 	save_CFLAGS="$CFLAGS" save_LIBS="$LIBS" save_LDFLAGS="$LDFLAGS"
 	CFLAGS="$CFLAGS -I$libpngdir" LIBS="$LIBS -lpng16" LDFLAGS="$LDFLAGS -L$libpngdir/.libs"