Commit | Line | Data |
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420a0d19 CE |
1 | #! /bin/sh |
2 | ||
3 | # Shell script to build Makefile in a build directory. It must be called | |
4 | # from inside the directory. It does its own checking of when to rebuild; it | |
5 | # just got too horrendous to get it right in "make", because of the optionally | |
6 | # existing configuration files. | |
7 | ||
8 | ||
9 | # First off, get the OS type, and check that there is a make file for it. | |
10 | ||
11 | ostype=`../scripts/os-type -generic` || exit 1 | |
12 | ||
13 | if [ ! -r ../OS/Makefile-$ostype ] ; then | |
14 | echo "" | |
15 | echo "*** Sorry - operating system $ostype is not supported" | |
16 | echo "*** See OS/Makefile-* for supported systems" 1>&2 | |
17 | echo "" | |
18 | exit 1 | |
19 | fi | |
20 | ||
21 | # We also need the architecture type, in order to test for any architecture- | |
22 | # specific configuration files. | |
23 | ||
24 | archtype=`../scripts/arch-type` || exit 1 | |
25 | ||
26 | # Now test for either the non-existence of Makefile, or for any of its | |
27 | # components being newer. Note that the "newer" script gives the right | |
28 | # answer (for our purposes) when the first file is non-existent. | |
29 | ||
30 | editme=../Local/Makefile | |
31 | rebuild=yes | |
32 | ||
33 | if [ -f Makefile ] ; then | |
34 | rebuild=no | |
35 | if ../scripts/newer $editme Makefile || \ | |
36 | ../scripts/newer $editme-$ostype Makefile || \ | |
37 | ../scripts/newer $editme-$archtype Makefile || \ | |
38 | ../scripts/newer $editme-$ostype-$archtype Makefile || \ | |
39 | ../scripts/newer ../scripts/Configure-Makefile Makefile || \ | |
40 | ../scripts/newer ../OS/Makefile-Base Makefile || \ | |
41 | ../scripts/newer ../OS/Makefile-Default Makefile | |
42 | then | |
43 | rebuild=yes | |
44 | fi | |
45 | fi | |
46 | ||
47 | # If the "build" variable is set it means that a build name was explicitly | |
48 | # given. Arrange to pick up a build-specific configuration file. | |
49 | ||
50 | if [ "X$build" != "X" ] ; then | |
51 | mfb=Local/Makefile-$build | |
52 | if ../scripts/newer $editme-$build Makefile ; then | |
53 | rebuild=yes | |
54 | fi | |
55 | else | |
56 | mfb= | |
57 | fi | |
58 | ||
59 | ||
60 | # If Makefile is up-to-date, no need to rebuild it. | |
61 | ||
62 | if [ $rebuild = no ] ; then | |
63 | echo "\`Makefile' is up to date." | |
64 | echo " " | |
65 | exit | |
66 | fi | |
67 | ||
68 | # Makefile needs to be rebuilt in the current directory by joining | |
69 | # the generic default makefile, the OS base makefile, and then local | |
70 | # generic, OS-specific, architecture-specific, and OS+architecture-specific | |
71 | # makefiles, if they exist. These files all contain macro definitions, with | |
72 | # later definitions overriding earlier ones. Make a temporary file first, in | |
73 | # case things go wrong. A second temporary is needed for sorting out the | |
74 | # default Perl stuff. Use short macro names to save typing. | |
75 | ||
76 | mf=Makefile | |
77 | mft=$mf-t | |
78 | mftt=$mf-tt | |
79 | ||
80 | look_mf=lookups/Makefile | |
81 | look_mf_pre=${look_mf}.predynamic | |
82 | look_mf_post=${look_mf}.postdynamic | |
83 | ||
84 | # Ensure the temporary does not exist and start the new one by setting | |
85 | # the OSTYPE and ARCHTYPE variables. | |
86 | ||
87 | rm -f $mft $mftt $look_mf-t | |
88 | (echo "OSTYPE=$ostype"; echo "ARCHTYPE=$archtype"; echo "") > $mft || exit 1 | |
89 | ||
90 | # Now concatenate the files to the temporary file. Copy the files using sed to | |
91 | # remove comments, blank lines, and trailing white space. | |
92 | ||
93 | # BEWARE: a tab character is needed in the sed command below. It has had | |
94 | # a nasty tendency to get lost in the past, causing a problem if a tab has | |
95 | # actually been present in one of the files. Use a variable to hold a space | |
96 | # and a tab to keep the tab in one place. | |
97 | ||
98 | st=' ' | |
99 | ||
100 | for f in OS/Makefile-Default \ | |
101 | OS/Makefile-$ostype \ | |
102 | Local/Makefile \ | |
103 | Local/Makefile-$ostype \ | |
104 | Local/Makefile-$archtype \ | |
105 | Local/Makefile-$ostype-$archtype \ | |
106 | $mfb | |
107 | do if test -r ../$f | |
108 | then echo "# From $f" | |
109 | sed "/^#/d;/^[$st]*\$/d;s/[$st]*\$//" ../$f || exit 1 | |
110 | echo "# End of $f" | |
111 | echo "" | |
112 | fi | |
113 | done >> $mft || exit 1 | |
114 | ||
115 | # handle pkg-config | |
116 | # beware portability of extended regexps with sed. | |
117 | ||
118 | egrep "^[$st]*(AUTH|LOOKUP)_[A-Z0-9_]*[$st]*=[$st]*" $mft | \ | |
119 | sed "s/[$st]*=/='/" | \ | |
120 | sed "s/\$/'/" > $mftt | |
121 | egrep "^[$st]*((USE_(OPENSSL|GNUTLS)_PC)|SUPPORT_TLS|USE_GNUTLS|PCRE_CONFIG|AVOID_GNUTLS_PKCS11)[$st]*=[$st]*" $mft | \ | |
122 | sed "s/[$st]*=/='/" | \ | |
123 | sed "s/\$/'/" >> $mftt | |
124 | if test -s $mftt | |
125 | then | |
126 | ( | |
127 | echo "# pkg-config fixups" | |
128 | . ./$mftt | |
129 | for var in `cut -d = -f 1 < $mftt`; do | |
130 | case $var in | |
131 | ||
132 | USE_*_PC) | |
133 | eval "pc_value=\"\$$var\"" | |
134 | need_this='' | |
135 | if [ ".$SUPPORT_TLS" = "." ]; then | |
136 | # no TLS, not referencing | |
137 | true | |
138 | elif [ ".$var" = ".USE_GNUTLS_PC" ] && [ ".$USE_GNUTLS" != "." ]; then | |
139 | need_this=t | |
140 | elif [ ".$var" = ".USE_OPENSSL_PC" ] && [ ".$USE_GNUTLS" = "." ]; then | |
141 | need_this=t | |
142 | fi | |
143 | if [ ".$need_this" != "." ]; then | |
144 | tls_include=`pkg-config --cflags $pc_value` | |
145 | if [ $? -ne 0 ]; then | |
146 | echo >&2 "*** Missing pkg-config for package $pc_value (for Exim $var build option)" | |
147 | exit 1 | |
148 | fi | |
149 | tls_libs=`pkg-config --libs $pc_value` | |
150 | echo "TLS_INCLUDE=$tls_include" | |
151 | echo "TLS_LIBS=$tls_libs" | |
152 | fi | |
153 | ;; | |
154 | ||
155 | *_PC) | |
156 | eval "pc_value=\"\$$var\"" | |
157 | base=`echo $var | sed 's/_PC$//'` | |
158 | eval "basevalue=\"\$$base\"" | |
159 | if [ ".$basevalue" = "." ]; then | |
160 | # not pulling in this module, _PC defined as default? Ignore | |
161 | true | |
162 | elif [ $basevalue = 2 ]; then | |
163 | # module; handled in scripts/lookups-Makefile | |
164 | true | |
165 | else | |
166 | # main binary | |
167 | cflags=`pkg-config --cflags $pc_value` | |
168 | if [ $? -ne 0 ]; then | |
169 | echo >&2 "*** Missing pkg-config for package $pc_value (for Exim $var build option)" | |
170 | exit 1 | |
171 | fi | |
172 | libs=`pkg-config --libs $pc_value` | |
173 | if [ "$var" != "${var#LOOKUP_}" ]; then | |
174 | echo "LOOKUP_INCLUDE += $cflags" | |
175 | echo "LOOKUP_LIBS += $libs" | |
176 | elif [ "$var" != "${var#AUTH_}" ]; then | |
177 | echo "CFLAGS += $cflags" | |
178 | echo "AUTH_LIBS += $libs" | |
179 | else | |
180 | echo >&2 "Don't know how to handle pkg-config for $var" | |
181 | fi | |
182 | fi | |
183 | ;; | |
184 | ||
185 | PCRE_CONFIG) | |
186 | case $PCRE_CONFIG in | |
187 | yes|YES|y|Y) | |
188 | cflags=`pcre-config --cflags` | |
189 | if [ $? -ne 0 ]; then | |
190 | echo >&2 "*** Missing pcre-config for regular expression support" | |
191 | exit 1 | |
192 | fi | |
193 | libs=`pcre-config --libs` | |
194 | if [ ".$cflags" != "." ]; then | |
195 | echo "INCLUDE += $cflags" | |
196 | fi | |
197 | echo "PCRE_LIBS=$libs" | |
198 | ;; | |
199 | esac | |
200 | ;; | |
201 | ||
202 | AVOID_GNUTLS_PKCS11) | |
203 | echo "$var=yes" | |
204 | ;; | |
205 | ||
206 | esac | |
207 | done | |
208 | echo "# End of pkg-config fixups" | |
209 | echo | |
210 | ) >> $mft | |
211 | subexit=$? | |
212 | if [ $subexit -ne 0 ]; then | |
213 | exit $subexit | |
214 | fi | |
215 | fi | |
216 | rm -f $mftt | |
217 | ||
218 | # make the lookups Makefile with the definitions | |
219 | # the auxiliary script generates $look_mf_post from $look_mf_pre | |
220 | ||
221 | cp ../src/lookups/Makefile $look_mf_pre | |
222 | ../scripts/lookups-Makefile | |
223 | ||
224 | # See if there is a definition of EXIM_PERL in what we have built so far. | |
225 | # If so, run Perl to find the default values for PERL_CC, PERL_CCOPTS, | |
226 | # and PERL_LIBS. These need to be put at the top of the Makefile, so we rename | |
227 | # what we have so far and then copy it afterwards. Use the value of PERL_COMMAND | |
228 | # if it has been defined. | |
229 | ||
230 | EXIM_PERL=`grep EXIM_PERL $mft` | |
231 | ||
232 | PERL_COMMAND=`grep PERL_COMMAND $mft | sed -e "\\$!d;s/^[$st]*PERL_COMMAND[$st]*=[$st]*//"` | |
233 | if [ "${PERL_COMMAND}" = "" ] ; then | |
234 | PERL_COMMAND='perl' | |
235 | fi | |
236 | ||
237 | if [ "${EXIM_PERL}" != "" ] ; then | |
238 | testperl=`$PERL_COMMAND --version` | |
239 | if [ "$testperl" = "" ] ; then | |
240 | echo "*** EXIM_PERL is set, but '$PERL_COMMAND --version' failed" | |
241 | exit 1 | |
242 | fi | |
243 | ||
244 | EXTUTILS_EMBED_NOT_INSTALLED=`$PERL_COMMAND -MExtUtils::Embed -e ";" 2>&1` | |
245 | if [ "${EXTUTILS_EMBED_NOT_INSTALLED}" != "" ] ; then | |
246 | echo "Please install ExtUtils::Embed for $PERL_COMMAND" | |
247 | exit 1; | |
248 | fi | |
249 | ||
250 | mv $mft $mftt | |
251 | echo "PERL_CC=`$PERL_COMMAND -MConfig -e 'print $Config{cc}'`" >>$mft | |
252 | echo "PERL_CCOPTS=`$PERL_COMMAND -MExtUtils::Embed -e ccopts`" >>$mft | |
253 | echo "PERL_LIBS=`$PERL_COMMAND -MExtUtils::Embed -e ldopts`" >>$mft | |
254 | echo "" >>$mft | |
255 | cat $mftt >> $mft | |
256 | rm -f $mftt | |
257 | fi | |
258 | ||
259 | # Record the build variable in the Makefile. | |
260 | ||
261 | echo "build=$build" >>$mft | |
262 | echo "" >>$mft | |
263 | ||
264 | # Finally, join on the generic base make file, which contains the actual | |
265 | # rules and stuff. | |
266 | ||
267 | echo "# From ../OS/Makefile-Base" >> $mft | |
268 | cat ../OS/Makefile-Base >> $mft || exit 1 | |
269 | ||
270 | # If the new makefile is the same as the existing one, say so, and just | |
271 | # update the timestamp. Otherwise remove the old and install the new. | |
272 | ||
273 | if [ -s $mf ] && cmp -s $mft $mf && [ -s $look_mf ] && cmp -s $look_mf_post $look_mf | |
274 | then echo ">>> rebuilt $mf unchanged" | |
275 | echo " " | |
276 | touch $mf || exit | |
277 | rm -f $mft $look_mf_pre $look_mf_post | |
278 | elif rm -f $mf $look_mf $look_mf_pre | |
279 | mv $mft $mf | |
280 | mv $look_mf_post $look_mf | |
281 | then echo ">>> New $mf & $look_mf installed" | |
282 | echo '>>> Use "make makefile" if you need to force rebuilding of the makefile' | |
283 | echo " " | |
284 | else echo " " | |
285 | echo "*** Failed to install $mf - see $mft" | |
286 | echo " (or $look_mft)" | |
287 | echo " " | |
288 | exit 1; | |
289 | fi | |
290 | ||
291 | # vim: set ft=sh : | |
292 | # End of Configure-Makefile |