1#! /bin/sh
2# $Id: headers-sh.in,v 1.9 2011/01/06 09:38:25 tom Exp $
3##############################################################################
4# Copyright (c) 2004-2007,2011 Thomas E. Dickey                              #
5#                                                                            #
6# Permission is hereby granted, free of charge, to any person obtaining a    #
7# copy of this software and associated documentation files (the "Software"), #
8# to deal in the Software without restriction, including without limitation  #
9# the rights to use, copy, modify, merge, publish, distribute, distribute    #
10# with modifications, sublicense, and/or sell copies of the Software, and to #
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    #
20# THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
21# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
22# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
23# DEALINGS IN THE SOFTWARE.                                                  #
24#                                                                            #
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# Adjust includes for header files that reside in a subdirectory of
32# /usr/include, etc.
33#
34# Parameters (the first case creates the sed script):
35#	$1 is the target directory
36#	$2 is the source directory
37# or (the second case does the install, using the sed script):
38#	$1 is the script to use for installing
39#	$2 is the target directory
40#	$3 is the source directory
41#	$4 is the file to install, editing source/target/etc.
42
43PACKAGE=@PACKAGE@
44PKGNAME=@PACKAGE_PREFIX@
45CONFIGH=@PACKAGE_CONFIG@
46SUB_INC=@SUB_INC@
47
48TMPSED=headers.sed
49
50DIGIT=0123456789
51alpha=abcdefghijklmnopqrstuvwxyz
52ALPHA=ABCDEFGHIJKLMNOPQRSTUVWXYZ
53
54alnum=_${DIGIT}${alpha}
55ALNUM=_${DIGIT}${ALPHA}
56MIXED=_${DIGIT}${ALPHA}${alpha}
57
58pkgname=`echo "$PKGNAME" | tr "$ALPHA" "$alpha"`
59
60if test $# = 2 ; then
61	rm -f $TMPSED
62	DST=$1
63	REF=$2
64	LEAF=`basename $DST`
65
66	# map the include-directory, if needed, to the subdirectory
67	case $DST in
68	/*/include/$LEAF)
69		END=`basename $DST`
70		for i in $REF/*.h
71		do
72			NAME=`basename $i`
73			echo "s/<$NAME>/<$END\/$NAME>/g" >> $TMPSED
74		done
75		;;
76	*)
77		touch $TMPSED
78		;;
79	esac
80
81	# cannot do _this_ in -e options:
82	cat >headers.tmp <<EOF
83s/^#[^ ][^ ]*//
84s/[^'$MIXED']/ /g
85s/[ 	][ 	]*/ /g
86s/^ //
87s/ $//
88:split
89	h
90	s/ .*//
91	p
92	t next
93	b done
94:next
95	x
96	s/^[^ ][^ ]* //
97	t split
98:done
99EOF
100	# pick up autoconf-style symbols used in the application's headers
101	for i in $REF/*.h
102	do
103		sed -e 's/^[ 	][ 	]*#[ 	][ 	]*/#/' $i \
104		| egrep '^#(if|ifdef|ifndef|elif)' \
105		| sed	-f headers.tmp \
106		| sort -u \
107		| egrep '^(HAVE_|NEED_|NO_|ENABLE_|DISABLE_)' \
108		| sed	-e 's%^\(.*\)%s/\\<\1\\>/'${PKGNAME}'_\1/g%' >>$TMPSED
109	done
110	rm -f headers.tmp
111
112	# pick up autoconf-defined symbols in the config.h file
113	for name in `
114	egrep '^#define[ 	][ 	]*['$ALNUM']' $REF/$CONFIGH \
115		| sed \
116			-e 's/^#define[ 	][ 	]*//' \
117			-e 's/[ 	].*//' \
118		| egrep -v "^${PACKAGE}_" \
119		| sort -u \
120		| egrep -v "^${PKGNAME}_"`
121	do
122		echo "s/\\<$name\\>/${PKGNAME}_$name/g" >>$TMPSED
123	done
124
125	if test "$SUB_INC" = yes
126	then
127		echo "s,#include <${pkgname}_,#include <${PACKAGE}/${pkgname}_," >>$TMPSED
128	fi
129
130	# reduce the count if possible, since some old sed's limit is 100 lines
131	sort -u $TMPSED >headers.tmp
132	mv headers.tmp $TMPSED
133else
134	PRG=""
135	while test $# != 3
136	do
137		PRG="$PRG $1"; shift
138	done
139
140	DST=$1
141	REF=$2
142	SRC=$3
143
144	SHOW=`basename $SRC`
145	TMPSRC=${TMPDIR-/tmp}/${SHOW}$$
146
147	echo "	... $SHOW"
148	test -f $REF/$SRC && SRC="$REF/$SRC"
149
150	rm -f $TMPSRC
151	sed -f $TMPSED $SRC > $TMPSRC
152	NAME=`basename $SRC`
153
154	# Just in case someone gzip'd manpages, remove the conflicting copy.
155	test -f $DST/$NAME.gz && rm -f $DST/$NAME.gz
156
157	if test "$SUB_INC" = yes
158	then
159		case $NAME in #(vi
160		${pkgname}_*) #(vi
161			case "$PRG" in #(vi
162			*install*)
163				test -d $DST/$PACKAGE || mkdir -p $DST/$PACKAGE 
164				;;
165			esac
166			NAME=$PACKAGE/$NAME
167			;;
168		*)
169			NAME=$PACKAGE.h
170			;;
171		esac
172	fi
173
174	eval $PRG $TMPSRC $DST/$NAME
175	rm -f $TMPSRC
176fi
177# vile:ts=4 sw=4
178