overby.me
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1#!/bin/sh
2#
3# Copyright (c) 2009-2011 Mark Heily <mark@heily.com>
4#
5# Permission to use, copy, modify, and distribute this software for any
6# purpose with or without fee is hereby granted, provided that the above
7# copyright notice and this permission notice appear in all copies.
8#
9# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16#
17
18makeconf_version="$Revision: 10 $"
19
20c_exports="program version target api cflags"
21
22make_exports="program version target api distfile basedir \
23 prefix bindir sbindir libdir includedir mandir \
24 cflags ldflags ldadd libdepends \
25 sources objs deps mans headers extra_dist subdirs \
26 abi_major abi_minor abi_version \
27 cc cpp ld ln ar install diff"
28
29required_headers=
30optional_headers=
31
32pre_configure_hook() {
33 return
34}
35
36post_configure_hook() {
37 return
38}
39
40export_to_make() {
41 for id in $*
42 do
43 uc_id=`echo $id | $tr '[:lower:]' '[:upper:]'`;
44 eval "echo \"$uc_id=\"\$$id\"\" >> config.mk"
45 done
46}
47
48export_to_c() {
49 for id in $*
50 do
51 uc_id=`echo $id | $tr '[:lower:]' '[:upper:]'`;
52 eval "echo \"#define $uc_id \\\"\$$id\\\"\" >> config.h"
53 done
54}
55
56finalize() {
57 uc_id=`echo \"$1\" | $tr '[:lower:]' '[:upper:]'`;
58 eval "if [ \"\$$1\" = \"\" ] ; then $1=\"$2\" ; fi"
59}
60
61process_argv() {
62 for arg in $*
63 do
64 if [ "$arg" = "--makeconf-version" ] ; then
65 echo $makeconf_version | sed 's/[^0-9.]//g'
66 exit 0
67 fi
68 id=`echo "$arg" | sed 's/=.*//; s/^--//;'`
69 val=`echo "$arg" | sed 's/^.*=//'`
70 if [ "$val" = "" ] ; then val=1 ; fi
71 eval "$id=\"$val\""
72 done
73}
74
75process_env() {
76 test -n "$CC" && cc="$CC"
77 test -n "$CPP" && cpp="$CPP"
78 test -n "$CPPFLAGS" && cppflags="$CPPFLAGS"
79 test -n "$CFLAGS" && cflags="$CFLAGS"
80 test -n "$LD" && ld="$LD"
81 test -n "$LN" && ld="$LN"
82 test -n "$LDFLAGS" && ldflags="$LDFLAGS"
83 test -n "$AR" && ar="$AR"
84 basedir=`pwd`
85}
86
87check_header() {
88 sym=`echo "have_$1" | sed 's,[./],_,g'`
89 uc_sym=`echo "$sym" | $tr '[:lower:]' '[:upper:]'`;
90 path=$1
91
92 printf "checking for $path.. "
93 if [ -f "/usr/include/$path" ] ; then
94 echo "yes"
95 echo "#define $uc_sym 1" >> config.h
96 eval "$sym=yes"
97 return 0
98 else
99 echo "no"
100 echo "#undef $uc_sym" >> config.h
101 eval "$sym=no"
102 return 1
103 fi
104}
105
106# Determine the path to an executable binary
107check_binary() {
108 id=$1
109 shift
110
111 for path in $*
112 do
113 test -f $path
114 if [ $? = 0 ] ; then
115 eval "$id=\"$path\""
116 return
117 fi
118 done
119
120 echo "not found"
121 return
122}
123
124check_headers() {
125 for header in $*
126 do
127 check_header "$header"
128 done
129}
130
131check_symbol() {
132 header=$1
133 symbol=$2
134
135 uc_symbol=`echo "HAVE_$symbol" | $tr '[:lower:]' '[:upper:]' | sed 's,[./],_,g'`
136 lc_symbol=`echo "have_$symbol" | $tr '[:upper:]' '[:lower:]' | sed 's,[./],_,g'`
137
138 if [ -f "$header" ] ; then
139 path="$header"
140 elif [ -f "/usr/include/$header" ] ; then
141 path="/usr/include/$header"
142 else
143 echo "*** ERROR: Cannot find <$header>"
144 exit 1
145 fi
146
147 printf "checking $header for $symbol.. "
148 if [ "`grep $symbol $path`" != "" ] ; then
149 eval "$lc_symbol=yes"
150 echo "#define $uc_symbol 1" >> config.h
151 echo "yes"
152 return 0
153 else
154 eval "$lc_symbol=no"
155 echo "no"
156 echo "#undef $uc_symbol" >> config.h
157 return 1
158 fi
159}
160
161check_install() {
162 printf "checking for a BSD-compatible install.. "
163 if [ "`uname -s`" = "SunOS" ] ; then
164 default_install=/usr/ucb/install
165 else
166 default_install=/usr/bin/install
167 fi
168 finalize install "$default_install"
169 echo "$install"
170}
171
172check_target() {
173 printf "checking operating system type.. "
174 default_target=`uname -s | $tr '[:upper:]' '[:lower:]'`
175 default_api="posix"
176 case "$default_target" in
177 sunos)
178 default_target="solaris"
179 ;;
180 "gnu/kfreebsd")
181 default_target="freebsd"
182 ;;
183 mingw*)
184 default_target="windows"
185 default_api="windows"
186 ;;
187 esac
188 finalize target "$default_target"
189 finalize api "$default_api"
190 echo "$api"
191}
192
193check_compiler() {
194 printf "checking for a C compiler.. "
195 check_binary default_cc "$cc" "`which $cc 2>/dev/null`" "/usr/bin/cc" "/usr/bin/gcc" "/usr/sfw/bin/gcc" "`which gcc 2>/dev/null`"
196 finalize cc "$default_cc"
197# test -x "$cc" || err "Unable to locate a C compiler"
198 echo "$cc"
199}
200
201check_linker() {
202 printf "checking for a suitable linker.. "
203
204 # Workaround for "hidden symbol <foo> is referenced by DSO" linker error
205 # seen when compiling libdispatch.
206 # Appears to be a problem with GCC 4.0 and binutils
207 #
208 default_ld="$cc"
209 ldflags="-o $program.so.$abi_major.$abi_minor $ldflags"
210
211 # FIXME: port to solaris
212 if [ "$target" = "linux" ] ; then
213 ldflags="$ldflags -Wl,-export-dynamic -Wl,-soname,$program.so.$abi_major"
214 fi
215
216 if [ "$target" = "solaris" ] ; then
217 ldflags="$ldflags"
218 fi
219
220 finalize ld "$default_ld"
221 echo "$ld"
222}
223
224check_archiver() {
225 printf "checking for a suitable archiver.. "
226 if [ "`uname -s`" = "SunOS" -a "`uname -v | grep Nexenta`" = "" ] ; then
227 default_ar="/usr/sfw/bin/gar"
228 else
229 default_ar="/usr/bin/ar"
230 fi
231 finalize ar "$default_ar"
232 echo "$ar"
233}
234
235err() {
236 echo "*** ERROR *** $*"
237 rm -f config.mk $program.pc config.h
238 exit 1
239}
240
241check_diff() {
242 # TODO: Support non-GNU diff syntax
243 # TODO: Search for the command
244 printf "checking for a suitable diff(1) command.. "
245 finalize diff "diff -ruN -dEbwBp -x .svn -x .o -x config.h -x config.mk"
246 echo "found"
247}
248
249subst_vars() {
250 outfile=$1
251
252 if [ ! -f "${outfile}.in" ] ; then
253 return
254 fi
255
256 echo "Creating $outfile"
257 rm -f $outfile
258 sed -e "
259 s,@@CWD@@,`pwd`,g;
260 s,@@PROGRAM@@,$program,g;
261 s,@@VERSION@@,$version,g;
262 s,@@PREFIX@@,$prefix,g;
263 s,@@LIBDIR@@,$libdir,g;
264 s,@@INCLUDEDIR@@,$includedir,g;
265 s,@@MANDIR@@,$mandir,g;
266 s,@@LIBDEPENDS@@,$libdepends,g;
267 s,@@PKG_SUMMARY@@,$pkg_summary,g;
268 s,@@RPM_DATE@@,`date +'%a %b %d %Y'`,g;
269 s,@@PKG_DESCRIPTION@@,$pkg_description,g;
270 s,@@LICENSE@@,$license,g;
271 s,@@AUTHOR@@,$author,g;
272 " < ${outfile}.in > $outfile
273 chmod 400 $outfile
274}
275
276#######################################################################
277#
278# MAIN()
279#
280#######################################################################
281
282# Workaround for Solaris "Bad string" issue when LOCALE is undefined
283tr="/usr/bin/tr"
284test -f /usr/xpg4/bin/tr && tr="/usr/xpg4/bin/tr"
285
286. ./config.inc
287
288# Initialize the output files
289#
290for output_file in config.mk
291do
292 rm -f $output_file
293 echo "# AUTOMATICALLY GENERATED -- DO NOT EDIT" > $output_file
294done
295if [ "$sources" != "" ] ; then
296 rm -f config.h
297 echo "/* AUTOMATICALLY GENERATED -- DO NOT EDIT */" > config.h
298fi
299
300process_argv "$*"
301process_env
302
303check_target
304check_compiler
305check_linker
306check_archiver
307check_install
308check_diff
309
310finalize program "$program"
311finalize version "$version"
312finalize abi_major "$abi_major"
313finalize abi_minor "$abi_minor"
314finalize abi_version "$abi_major.$abi_minor"
315finalize prefix "/usr/local"
316finalize bindir "\\\$(PREFIX)/bin"
317finalize sbindir "\\\$(PREFIX)/sbin"
318finalize libdir "\\\$(PREFIX)/lib"
319finalize includedir "\\\$(PREFIX)/include"
320finalize mandir "\\\$(PREFIX)/share/man"
321finalize cflags "$cflags"
322finalize libdepends "$libdepends"
323finalize ldadd ""
324finalize ldflags ""
325finalize deps ""
326finalize ln "`which ln`"
327finalize distfile "$program-$version.tar.gz"
328
329pre_configure_hook
330
331for header in $required_headers
332do
333 check_header "$header" || err "$header is required, but cannot be found."
334done
335check_headers $optional_headers
336
337post_configure_hook
338
339objs="`echo \"$sources\" | sed 's/\.c/\.o/g'`"
340
341subst_vars "$program.pc"
342subst_vars "$program.la"
343subst_vars "rpm.spec"
344
345if [ "$sources" != "" ] ; then
346 echo "Creating config.h"
347 export_to_c $c_exports
348fi
349
350echo "Creating config.mk"
351export_to_make "$make_exports"