1# $Id: mk-2nd.awk,v 1.22 2020/08/31 23:49:17 tom Exp $
2##############################################################################
3# Copyright 2020 Thomas E. Dickey                                            #
4# Copyright 1998-2004,2005 Free Software Foundation, Inc.                    #
5#                                                                            #
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7# copy of this software and associated documentation files (the "Software"), #
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11# permit persons to whom the Software is furnished to do so, subject to the  #
12# following conditions:                                                      #
13#                                                                            #
14# The above copyright notice and this permission notice shall be included in #
15# all copies or substantial portions of the Software.                        #
16#                                                                            #
17# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
18# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
19# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
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25# Except as contained in this notice, the name(s) of the above copyright     #
26# holders shall not be used in advertising or otherwise to promote the sale, #
27# use or other dealings in this Software without prior written               #
28# authorization.                                                             #
29##############################################################################
30#
31# Author: Thomas E. Dickey
32#
33# Generate compile-rules for the modules that we are using in libraries or
34# programs.  We are listing them explicitly because we have turned off the
35# suffix rules (to force compilation with the appropriate flags).  We could use
36# make-recursion but that would result in makefiles that are useless for
37# development.
38#
39# Variables:
40#	model directory into which objects are compiled.
41#	MODEL (uppercase version of "model"; toupper is not portable)
42#	echo (yes iff we will show the $(CC) lines)
43#	subset ("none", "base", "base+ext_funcs" or "termlib")
44#	crenames ("yes" or "no", flag to control whether -c & -o options are used)
45#	cxxrenames ("yes" or "no", flag to control whether -c & -o options are used)
46#	traces ("all" or "DEBUG", to control whether tracing is compiled in)
47#	srcdir is expanded when "configure --srcdir" was used
48#
49# Fields in src/modules:
50#	$1 = module name
51#	$2 = progs|lib|c++
52#	$3 = source-directory
53#
54# Fields in src/modules past $3 are dependencies
55#
56function in_subset(value) {
57		value = " " value " ";
58		check = subset;
59		gsub("[+]", " ", check);
60		check = " " check " ";
61		return index(check,value);
62	}
63BEGIN	{
64		found = 0
65		using = 0
66	}
67	/^@/ {
68		using = 0
69		if (subset == "none") {
70			using = 1
71		} else if (in_subset($2) > 0) {
72			if (using == 0) {
73				if (found == 0) {
74					print  ""
75					print  "# generated by mk-2nd.awk"
76					printf "#   model:      %s\n", model
77					printf "#   MODEL:      %s\n", MODEL
78					printf "#   echo:       %s\n", echo 
79					printf "#   subset:     %s\n", subset
80					printf "#   crenames:   %s\n", crenames
81					printf "#   cxxrenames: %s\n", cxxrenames
82					printf "#   traces:     %s\n", traces
83					printf "#   srcdir:     %s\n", srcdir
84				}
85				using = 1
86			}
87		}
88	}
89	/^[@#]/ {
90		next
91	}
92	$1 ~ /trace/ {
93		if (traces != "all" && traces != MODEL && $1 != "lib_trace")
94			next
95	}
96	{
97		if ($0 != "" \
98		 && using != 0) {
99			found = 1
100			if ( $1 != "" ) {
101				print  ""
102				if ( $2 == "c++" ) {
103					compile="CXX"
104					suffix=".cc"
105					use_c_o=cxxrenames
106				} else {
107					compile="CC"
108					suffix=".c"
109					use_c_o=crenames
110				}
111				printf "../%s/%s$o :\t%s/%s%s", model, $1, $3, $1, suffix
112				for (n = 4; n <= NF; n++) printf " \\\n\t\t\t%s", $n
113				print  ""
114				if ( echo == "yes" )
115					atsign=""
116				else {
117					atsign="@"
118					printf "\t@echo 'compiling %s (%s)'\n", $1, model
119				}
120				printf "\t%s", atsign;
121				if ( use_c_o != "yes" ) {
122					printf "cd ../%s; ", model;
123				}
124				# The choice here is between
125				#	base+ext_funcs and
126				#	termlib+ext_tinfo
127				# but they may appear in the same value.
128				if ( subset ~ /base/ ) {
129					mycflags=""
130				} else if ( subset ~ /termlib/ ) {
131					mycflags=" -DUSE_TERMLIB"
132				}
133				printf "$(LIBTOOL_COMPILE) $(%s) $(CFLAGS_%s)%s -c ", compile, MODEL, mycflags
134				if ( $3 == "." || srcdir == "." ) {
135					dir = $3 "/"
136					sub("^\\$\\(srcdir\\)/","",dir);
137					sub("^\\./","",dir);
138					printf "../%s/%s%s%s", name, dir, $1, suffix
139				} else {
140					printf "%s/%s%s", $3, $1, suffix
141				}
142				if ( use_c_o == "yes" ) {
143					printf " -o ../%s/%s$o", model, $1
144				}
145			} else {
146				printf "%s", $1
147				for (n = 2; n <= NF; n++) printf " %s", $n
148			}
149			print  ""
150		}
151	}
152END	{
153		print  ""
154	}
155