ncursesw-morphos/mk-hdr.awk

# $Id: mk-hdr.awk,v 1.7 2020/08/31 23:48:44 tom Exp $
##############################################################################
# Copyright 2020 Thomas E. Dickey                                            #
# Copyright 2007-2010,2013 Free Software Foundation, Inc.                    #
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##############################################################################
#
# Author: Thomas E. Dickey	2007
#
# Generate install/uninstall rules for header files
# Variables:
#	subset	  ("none", "base", "base+ext_funcs" or "termlib", etc.)
#	compat	  ("yes" or "no", flag to add link to curses.h
#
function basename(path) {
	sub(/^.*\//,"",path)
	return path;
}
function in_subset(value) {
	value = " " value " ";
	check = subset;
	gsub("[+]", " ", check);
	check = " " check " ";
	return index(check,value);
}
BEGIN	{
		found = 0
		using = 1
		count = 0
	}
	/^@/ {
		using = 0
		if (subset == "none") {
			using = 1
		} else if (in_subset($2) > 0) {
			using = 1
		} else {
			using = 0
		}
	}
	/^[@#]/ {
		next
	}
	{
		if (using && NF != 0) {
			if (found == 0) {
				print  ""
				print  "# generated by mk-hdr.awk"
				printf "#  subset:     %s\n", subset 
				printf "#  compat:     %s\n", compat 
				print  ""
				found = 1
			}
			data[count] = $1
			count = count + 1
		}
	}
END	{
		if ( count > 0 )
		{
			print "${INCLUDEDIR} :"
			print "	mkdir -p $@"
			print ""
			print "install \\"
			print "install.libs \\"
			print "install.includes :: ${AUTO_SRC} ${INCLUDEDIR} \\"

			for (i = 0; i < count - 1; ++i) {
				printf "		%s \\\n", data[i]
			}
			printf "		%s\n", data[count - 1]

			for (i = 0; i < count; ++i) {
				printf "	@ (cd ${INCLUDEDIR} && rm -f %s) ; ../headers.sh ${INSTALL_DATA} ${INCLUDEDIR} ${srcdir} %s\n", basename(data[i]), data[i]
				if (data[i] == "curses.h" && compat == "yes") {
					printf "	@ (cd ${INCLUDEDIR} && rm -f ncurses.h && ${LN_S} %s ncurses.h)\n", data[i]
				}
			}
			print ""
			print "uninstall \\"
			print "uninstall.libs \\"
			print "uninstall.includes ::"

			for (i = 0; i < count; ++i) {
				printf "	-@ (cd ${INCLUDEDIR} && rm -f %s)\n", basename(data[i])
				if (data[i] == "curses.h" && compat == "yes") {
					printf "	-@ (cd ${INCLUDEDIR} && rm -f ncurses.h)\n"
				}
			}
		}
	}
# vile:ts=4 sw=4