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1.1 root 1: #! /bin/sh
2: #
3: # fixinc.sco -- Install modified versions of SCO system include
4: # files.
5: #
6: # Based on fixinc.svr4 script by Ron Guilmette ([email protected]) (SCO
7: # modifications by Ian Lance Taylor ([email protected])).
8: #
9: # This file is part of GNU CC.
10: #
11: # GNU CC is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2, or (at your option)
14: # any later version.
15: #
16: # GNU CC is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with GNU CC; see the file COPYING. If not, write to
23: # the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24: #
25: # This script munges the native include files provided with SCO
26: # 3.2v4 systems so as to provide a reasonable namespace when
27: # compiling with gcc. The header files by default do not
28: # provide many essential definitions and declarations if
29: # __STDC__ is 1. This script modifies the header files to check
30: # for __STRICT_ANSI__ being defined instead. Once munged, the
31: # resulting new system include files are placed in a directory
32: # that GNU C will search *before* searching the /usr/include
33: # directory. This script should work properly for most SCO
34: # 3.2v4 systems. For other types of systems, you should use the
35: # `fixincludes' or the `fixinc.svr4' script instead.
36: #
37: # See README-fixinc for more information.
38:
39: # Directory where gcc sources (and sometimes special include files) live.
40: SRCDIR=${3-${SRCDIR-.}}
41:
42: # Directory containing the original header files.
43: INPUT=${2-${INPUT-/usr/include}}
44:
45: # Fail if no arg to specify a directory for the output.
46: if [ x$1 = x ]
47: then echo fixincludes: no output directory specified
48: exit 1
49: fi
50:
51: # Directory in which to store the results.
52: LIB=${1?"fixincludes: output directory not specified"}
53:
54: # Make sure it exists.
55: if [ ! -d $LIB ]; then
56: mkdir $LIB || exit 1
57: fi
58:
59: ORIG_DIR=`pwd`
60:
61: # Make LIB absolute if it is relative.
62: # Don't do this if not necessary, since may screw up automounters.
63: case $LIB in
64: /*)
65: ;;
66: *)
67: cd $LIB; LIB=`${PWDCMD-pwd}`
68: ;;
69: esac
70:
71: echo 'Building fixincludes in ' ${LIB}
72:
73: # Determine whether this filesystem has symbolic links.
74: if ln -s X $LIB/ShouldNotExist 2>/dev/null; then
75: rm -f $LIB/ShouldNotExist
76: LINKS=true
77: else
78: LINKS=false
79: fi
80:
81: echo 'Making directories:'
82: cd ${INPUT}
83: if $LINKS; then
84: files=`ls -LR | sed -n s/:$//p`
85: else
86: files=`find . -type d -print | sed '/^.$/d'`
87: fi
88: for file in $files; do
89: rm -rf $LIB/$file
90: if [ ! -d $LIB/$file ]
91: then mkdir $LIB/$file
92: fi
93: done
94:
95: # treetops gets an alternating list
96: # of old directories to copy
97: # and the new directories to copy to.
98: treetops="${INPUT} ${LIB}"
99:
100: if $LINKS; then
101: echo 'Making internal symbolic directory links'
102: for file in $files; do
103: dest=`ls -ld $file | sed -n 's/.*-> //p'`
104: if [ "$dest" ]; then
105: cwd=`pwd`
106: # In case $dest is relative, get to $file's dir first.
107: cd ${INPUT}
108: cd `echo ./$file | sed -n 's&[^/]*$&&p'`
109: # Check that the target directory exists.
110: # Redirections changed to avoid bug in sh on Ultrix.
111: (cd $dest) > /dev/null 2>&1
112: if [ $? = 0 ]; then
113: cd $dest
114: # X gets the dir that the link actually leads to.
115: x=`pwd`
116: # If link leads back into ${INPUT},
117: # make a similar link here.
118: if expr $x : "${INPUT}/.*" > /dev/null; then
119: # Y gets the actual target dir name, relative to ${INPUT}.
120: y=`echo $x | sed -n "s&${INPUT}/&&p"`
121: echo $file '->' $y ': Making link'
122: rm -fr ${LIB}/$file > /dev/null 2>&1
123: ln -s ${LIB}/$y ${LIB}/$file > /dev/null 2>&1
124: else
125: # If the link is to outside ${INPUT},
126: # treat this directory as if it actually contained the files.
127: # This line used to have $dest instead of $x.
128: # $dest seemed to be wrong for links found in subdirectories
129: # of ${INPUT}. Does this change break anything?
130: treetops="$treetops $x ${LIB}/$file"
131: fi
132: fi
133: cd $cwd
134: fi
135: done
136: fi
137:
138: set - $treetops
139: while [ $# != 0 ]; do
140: # $1 is an old directory to copy, and $2 is the new directory to copy to.
141: echo "Finding header files in $1:"
142: cd ${INPUT}
143: cd $1
144: files=`find . -name '*.h' -type f -print`
145: echo 'Checking header files:'
146: for file in $files; do
147: if egrep '!__STDC__' $file >/dev/null; then
148: if [ -r $file ]; then
149: cp $file $2/$file >/dev/null 2>&1 || echo "Can't copy $file"
150: chmod +w $2/$file
151: chmod a+r $2/$file
152:
153: # The following have been removed from the sed command below
154: # because it is more useful to leave these things in.
155: # The only reason to remove them was for -pedantic,
156: # which isn't much of a reason. -- rms.
157: # /^[ ]*#[ ]*ident/d
158:
159: sed -e '
160: s/!__STDC__/!defined (__STRICT_ANSI__)/g
161: ' $2/$file > $2/$file.sed
162: mv $2/$file.sed $2/$file
163: if cmp $file $2/$file >/dev/null 2>&1; then
164: rm $2/$file
165: else
166: echo Fixed $file
167: fi
168: fi
169: fi
170: done
171: shift; shift
172: done
173:
174: # Fix first broken decl of getcwd present on some svr4 systems.
175:
176: file=stdlib.h
177: base=`basename $file`
178: if [ -r ${LIB}/$file ]; then
179: file_to_fix=${LIB}/$file
180: else
181: if [ -r ${INPUT}/$file ]; then
182: file_to_fix=${INPUT}/$file
183: else
184: file_to_fix=""
185: fi
186: fi
187: if [ \! -z "$file_to_fix" ]; then
188: echo Checking $file_to_fix
189: sed -e 's/getcwd(char \{0,\}\*, int)/getcwd(char *, size_t)/' $file_to_fix > /tmp/$base
190: if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
191: true
192: else
193: echo Fixed $file_to_fix
194: rm -f ${LIB}/$file
195: cp /tmp/$base ${LIB}/$file
196: chmod a+r ${LIB}/$file
197: fi
198: rm -f /tmp/$base
199: fi
200:
201: # Fix second broken decl of getcwd present on some svr4 systems. Also
202: # fix the incorrect decl of profil present on some svr4 systems.
203:
204: file=unistd.h
205: base=`basename $file`
206: if [ -r ${LIB}/$file ]; then
207: file_to_fix=${LIB}/$file
208: else
209: if [ -r ${INPUT}/$file ]; then
210: file_to_fix=${INPUT}/$file
211: else
212: file_to_fix=""
213: fi
214: fi
215: if [ \! -z "$file_to_fix" ]; then
216: echo Checking $file_to_fix
217: sed -e 's/getcwd(char \*, int)/getcwd(char *, size_t)/' $file_to_fix \
218: | sed -e 's/profil(unsigned short \*, unsigned int, unsigned int, unsigned int)/profil(unsigned short *, size_t, int, unsigned)/' > /tmp/$base
219: if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
220: true
221: else
222: echo Fixed $file_to_fix
223: rm -f ${LIB}/$file
224: cp /tmp/$base ${LIB}/$file
225: chmod a+r ${LIB}/$file
226: fi
227: rm -f /tmp/$base
228: fi
229:
230: # Fix an error in this file: the #if says _cplusplus, not the double
231: # underscore __cplusplus that it should be
232: file=tinfo.h
233: if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
234: mkdir ${LIB}/rpcsvc 2>/dev/null
235: cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
236: chmod +w ${LIB}/$file 2>/dev/null
237: chmod a+r ${LIB}/$file 2>/dev/null
238: fi
239:
240: if [ -r ${LIB}/$file ]; then
241: echo Fixing $file, __cplusplus macro
242: sed -e 's/[ ]_cplusplus/ __cplusplus/' ${LIB}/$file > ${LIB}/${file}.sed
243: rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
244: if cmp $file ${LIB}/$file >/dev/null 2>&1; then
245: rm ${LIB}/$file
246: fi
247: fi
248:
249: echo 'Removing unneeded directories:'
250: cd $LIB
251: files=`find . -type d -print | sort -r`
252: for file in $files; do
253: rmdir $LIB/$file > /dev/null 2>&1
254: done
255:
256: if $LINKS; then
257: echo 'Making internal symbolic non-directory links'
258: cd ${INPUT}
259: files=`find . -type l -print`
260: for file in $files; do
261: dest=`ls -ld $file | sed -n 's/.*-> //p'`
262: if expr "$dest" : '[^/].*' > /dev/null; then
263: target=${LIB}/`echo file | sed "s|[^/]*\$|$dest|"`
264: if [ -f $target ]; then
265: ln -s $dest ${LIB}/$file >/dev/null 2>&1
266: fi
267: fi
268: done
269: fi
270:
271: cd ${ORIG_DIR}
272:
273: echo 'Replacing <sys/byteorder.h>'
274: rm -f ${LIB}/sys/byteorder.h
275: cp ${SRCDIR}/byteorder.h ${LIB}/sys/byteorder.h
276:
277: exit 0
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