[devel] Revise scripts to work with pnglibconf.h
diff --git a/scripts/makefile.freebsd b/scripts/makefile.freebsd
index 888b7c8..58e8434 100644
--- a/scripts/makefile.freebsd
+++ b/scripts/makefile.freebsd
@@ -17,13 +17,14 @@
 # where make install puts libpng.a and png.h
 DESTDIR=	${PREFIX}
 LIBDIR=		/lib
-INCS=		png.h pngconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+INCS=		png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
 INCSDIR=	/include/libpng
 INCDIR=		${INCSDIR}		# for 4.x bsd.lib.mk
 MAN=		libpng.3 libpngpf.3 png.5
 MANDIR=		/man/man
 SYMLINKS=       libpng/png.h ${INCSDIR}/../png.h \
-		libpng/pngconf.h ${INCSDIR}/../pngconf.h
+		libpng/pngconf.h ${INCSDIR}/../pngconf.h \
+		libpng/pnglibconf.h ${INCSDIR}/../pnglibconf.h
 LDADD+=         -lm -lz
 DPADD+=         ${LIBM} ${LIBZ}
 
@@ -41,6 +42,10 @@
 test: pngtest
 	./pngtest
 
+# see scripts/pnglibconf.mak for more options
+pnglibconf.h: scripts/pnglibconf.h
+	cp scripts/pnglibconf.h $@
+
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
 	chmod a-w *.[ch35] $(DOCS) scripts/*