1# $Id: mk-0th.awk,v 1.23 2020/02/02 23:34:34 tom Exp $
2##############################################################################
3# Copyright 2020 Thomas E. Dickey                                            #
4# Copyright 1998-2010,2012 Free Software Foundation, Inc.                    #
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29##############################################################################
30#
31# Author: Thomas E. Dickey 1996-on
32#
33# Generate list of sources for a library, together with lint/lintlib rules
34#
35# Variables:
36#	libname (library name, e.g., "ncurses", "panel", "forms", "menus")
37#	subsets (is used here to decide if wide-character code is used)
38#	ticlib (library name for libtic, e.g., "tic")
39#	termlib (library name for libtinfo, e.g., "tinfo")
40#
41function make_lintlib(name,sources) {
42	print  ""
43	print  "clean ::"
44	printf "\trm -f llib-l%s.*\n", name
45	print  ""
46	print  "realclean ::"
47	printf "\trm -f llib-l%s\n", name
48	print  ""
49	printf "llib-l%s : %s\n", name, sources
50	printf "\tcproto -a -l -DNCURSES_ENABLE_STDBOOL_H=0 -DLINT $(CPPFLAGS) %s >$@\n", sources
51	print  ""
52	print  "lintlib ::"
53	printf "\tsh $(srcdir)/../misc/makellib %s $(CPPFLAGS)\n", name
54	print ""
55	print "lint ::"
56	printf "\t$(LINT) $(LINT_OPTS) $(CPPFLAGS) %s $(LINT_LIBS)\n", sources
57}
58
59# A blank in "subsets" indicates a split-off of the library into a separate
60# file, e.g., for libtic or libtinfo.  They are all logical parts of the same
61# library.
62function which_library() {
63	if ( ( which == "ticlib" ) && ( subsets ~ /ticlib / ) ) {
64		return ticlib;
65	} else if ( ( which == "termlib" || which == "ext_tinfo" ) && ( subsets ~ /[[:space:]]base/ ) ) {
66		return termlib;
67	} else {
68		return libname;
69	}
70}
71
72function show_list(name, len, list) {
73	if ( len > 0 ) {
74		printf "\n%s_SRC =", toupper(name);
75		for (n = 0; n < len; ++n)
76			printf " \\\n\t%s", list[n];
77		print "";
78		make_lintlib(name, sprintf("$(%s_SRC)", toupper(name)));
79	}
80}
81
82BEGIN	{
83		which = libname;
84		using = 0;
85		found = 0;
86		count_ticlib = 0;
87		count_termlib = 0;
88		count_library = 0;
89	}
90	/^@/ {
91		which = $0;
92		sub(/^@[[:blank:]]+/, "", which);
93		sub(/[[:blank:]]+$/, "", which);
94	}
95	!/^[@#]/ {
96		if (using == 0)
97		{
98			print  ""
99			print  "# generated by mk-0th.awk"
100			printf "#   libname:    %s\n", libname
101			printf "#   subsets:    %s\n", subsets
102			if ( libname ~ /ncurses/ ) {
103				printf "#   ticlib:     %s\n", ticlib
104				printf "#   termlib:    %s\n", termlib
105			}
106			print  ""
107			print  ".SUFFIXES: .c .cc .h .i .ii"
108			print  ".c.i :"
109			printf "\t$(CPP) $(CPPFLAGS) $< >$@\n"
110			print  ".cc.ii :"
111			printf "\t$(CPP) $(CPPFLAGS) $< >$@\n"
112			print  ".h.i :"
113			printf "\t$(CPP) $(CPPFLAGS) $< >$@\n"
114			print  ""
115			using = 1;
116		}
117		if (which ~ /port_/ )
118		{
119			# skip win32 source
120		}
121		else if ( $0 != "" && $1 != "link_test" )
122		{
123			if ( found == 0 )
124			{
125				if ( subsets ~ /widechar/ )
126					widechar = 1;
127				else
128					widechar = 0;
129				printf "C_SRC ="
130				if ( $2 == "lib" )
131					found = 1
132				else
133					found = 2
134			}
135			if ( libname == "c++" || libname == "c++w" ) {
136				srcname = sprintf("%s/%s.cc", $3, $1);
137				printf " \\\n\t%s", srcname;
138			} else if ( widechar == 1 || $3 != "$(wide)" ) {
139				srcname = sprintf("%s/%s.c", $3, $1);
140				printf " \\\n\t%s", srcname;
141				if ( which_library() == libname ) {
142					list_library[count_library++] = srcname;
143				} else if ( which_library() == ticlib ) {
144					list_ticlib[count_ticlib++] = srcname;
145				} else {
146					list_termlib[count_termlib++] = srcname;
147				}
148			}
149		}
150	}
151END	{
152		print  ""
153		if ( found == 1 )
154		{
155			print  ""
156			printf "# Producing llib-l%s is time-consuming, so there's no direct-dependency for\n", libname;
157			print  "# it in the lintlib rule.  We'll only remove in the cleanest setup.";
158			show_list(libname, count_library, list_library);
159			show_list(ticlib, count_ticlib, list_ticlib);
160			show_list(termlib, count_termlib, list_termlib);
161		}
162		else
163		{
164			print  ""
165			print  "lintlib :"
166			print  "\t@echo no action needed"
167		}
168	}
169# vile:ts=4 sw=4
170