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.
8 # Copyright (c) The Exim Maintainers 2016
11 # First off, get the OS type, and check that there is a make file for it.
13 ostype=`../scripts/os-type -generic` || exit 1
15 if [ ! -r ../OS/Makefile-$ostype ] ; then
17 echo "*** Sorry - operating system $ostype is not supported"
18 echo "*** See OS/Makefile-* for supported systems" 1>&2
23 # We also need the architecture type, in order to test for any architecture-
24 # specific configuration files.
26 archtype=`../scripts/arch-type` || exit 1
28 # Now test for either the non-existence of Makefile, or for any of its
29 # components being newer. Note that the "newer" script gives the right
30 # answer (for our purposes) when the first file is non-existent.
32 editme=../Local/Makefile
35 if [ -f Makefile ] ; then
37 if ../scripts/newer $editme Makefile || \
38 ../scripts/newer $editme-$ostype Makefile || \
39 ../scripts/newer $editme-$archtype Makefile || \
40 ../scripts/newer $editme-$ostype-$archtype Makefile || \
41 ../scripts/newer ../scripts/Configure-Makefile Makefile || \
42 ../scripts/newer ../OS/Makefile-Base Makefile || \
43 ../scripts/newer ../OS/Makefile-Default Makefile
49 # If the "build" variable is set it means that a build name was explicitly
50 # given. Arrange to pick up a build-specific configuration file.
52 if [ "X$build" != "X" ] ; then
53 mfb=Local/Makefile-$build
54 if ../scripts/newer $editme-$build Makefile ; then
62 # If Makefile is up-to-date, no need to rebuild it.
64 if [ $rebuild = no ] ; then
65 echo "\`Makefile' is up to date."
70 # Makefile needs to be rebuilt in the current directory by joining
71 # the generic default makefile, the OS base makefile, and then local
72 # generic, OS-specific, architecture-specific, and OS+architecture-specific
73 # makefiles, if they exist. These files all contain macro definitions, with
74 # later definitions overriding earlier ones. Make a temporary file first, in
75 # case things go wrong. A second temporary is needed for sorting out the
76 # default Perl stuff. Use short macro names to save typing.
84 look_mf=lookups/Makefile
85 look_mf_pre=${look_mf}.predynamic
86 look_mf_post=${look_mf}.postdynamic
88 # Ensure the temporary does not exist and start the new one by setting
89 # the OSTYPE and ARCHTYPE variables.
91 rm -f $mft $mftt $mftepcp $mftepcp2 $look_mf-t
92 (echo "OSTYPE=$ostype"; echo "ARCHTYPE=$archtype"; echo "") > $mft || exit 1
94 # Now concatenate the files to the temporary file. Copy the files using sed to
95 # remove comments, blank lines, and trailing white space.
97 # BEWARE: a tab character is needed in the sed command below. It has had
98 # a nasty tendency to get lost in the past, causing a problem if a tab has
99 # actually been present in one of the files. Use a variable to hold a space
100 # and a tab to keep the tab in one place.
104 for f in OS/Makefile-Default \
105 OS/Makefile-$ostype \
107 Local/Makefile-$ostype \
108 Local/Makefile-$archtype \
109 Local/Makefile-$ostype-$archtype \
112 then echo "# From $f"
113 sed "/^#/d;/^[$st]*\$/d;s/[$st]*\$//" ../$f || exit 1
118 | sed 's/^TMPDIR=/EXIM_&/' \
121 # handle PKG_CONFIG_PATH because we need it in our env, and we want to handle
122 # wildcards; note that this logic means all setting _appends_ values, never
123 # replacing; if that's a problem, we can revisit.
124 sed -n "s/^[$st]*PKG_CONFIG_PATH[$st]*[+]*=[$st]*//p" $mft | \
125 sed "s/[$st]*\$//" >> $mftepcp
126 if test -s ./$mftepcp
128 # expand any wildcards and strip spaces, to make it a real PATH-like variable
129 ( IFS=":${IFS-$st}"; for P in `cat ./$mftepcp`; do echo "$P"; done ) | xargs | sed "s/[$st]/:/g" >./$mftepcp2
130 sed "s/^/PKG_CONFIG_PATH='/" < ./$mftepcp2 | sed "s/\$/'/" > ./$mftepcp
132 export PKG_CONFIG_PATH
133 egrep -v "^[$st]*PKG_CONFIG_PATH[$st]*=" ./$mft > ./$mftt
136 echo "# Collapsed PKG_CONFIG_PATH in build-prep:"
137 sed "s/'//g" ./$mftepcp
138 echo "# End of collapsed PKG_CONFIG_PATH"
144 rm -f ./$mftepcp ./$mftepcp2
147 # beware portability of extended regexps with sed.
148 egrep "^[$st]*(AUTH|LOOKUP)_[A-Z0-9_]*[$st]*=[$st]*" $mft | \
149 sed "s/[$st]*=/='/" | \
150 sed "s/\$/'/" > $mftt
151 egrep "^[$st]*((USE_(OPENSSL|GNUTLS)_PC)|SUPPORT_TLS|USE_GNUTLS|PCRE_CONFIG|AVOID_GNUTLS_PKCS11)[$st]*=[$st]*" $mft | \
152 sed "s/[$st]*=/='/" | \
153 sed "s/\$/'/" >> $mftt
157 echo "# pkg-config fixups"
159 for var in `cut -d = -f 1 < $mftt`; do
163 eval "pc_value=\"\$$var\""
166 if [ ".$SUPPORT_TLS" = "." ]; then
167 # no TLS, not referencing
169 elif [ ".$var" = ".USE_GNUTLS_PC" ] && [ ".$USE_GNUTLS" != "." ]; then
171 need_core="gnutls-special"
172 elif [ ".$var" = ".USE_OPENSSL_PC" ] && [ ".$USE_GNUTLS" = "." ]; then
176 if [ ".$need_this" != "." ]; then
177 tls_include=`pkg-config --cflags $pc_value`
178 if [ $? -ne 0 ]; then
179 echo >&2 "*** Missing pkg-config for package $pc_value (for Exim $var build option)"
182 tls_libs=`pkg-config --libs $pc_value`
183 echo "TLS_INCLUDE=$tls_include"
184 echo "TLS_LIBS=$tls_libs"
185 # With hash.h pulling crypto into the core, we need to also handle that
186 if [ ".$need_this" = ".t" ]; then
187 echo "CFLAGS += $tls_include"
188 echo "LDFLAGS += $tls_libs"
189 elif [ ".$need_this" = ".gnutls-special" ]; then
190 if pkg-config --atleast-version=2.10 gnutls ; then
191 echo "CFLAGS += $tls_include"
192 echo "LDFLAGS += $tls_libs"
194 echo "CFLAGS += `libgcrypt-config --cflags`"
195 echo "LDFLAGS += `libgcrypt-config --libs`"
202 eval "pc_value=\"\$$var\""
203 base=`echo $var | sed 's/_PC$//'`
204 eval "basevalue=\"\$$base\""
205 if [ ".$basevalue" = "." ]; then
206 # not pulling in this module, _PC defined as default? Ignore
208 elif [ $basevalue = 2 ]; then
209 # module; handled in scripts/lookups-Makefile
213 cflags=`pkg-config --cflags $pc_value`
214 if [ $? -ne 0 ]; then
215 echo >&2 "*** Missing pkg-config for package $pc_value (for Exim $var build option)"
218 libs=`pkg-config --libs $pc_value`
219 if [ "$var" != "${var#LOOKUP_}" ]; then
220 echo "LOOKUP_INCLUDE += $cflags"
221 echo "LOOKUP_LIBS += $libs"
222 elif [ "$var" != "${var#AUTH_}" ]; then
223 echo "CFLAGS += $cflags"
224 echo "AUTH_LIBS += $libs"
226 echo >&2 "Don't know how to handle pkg-config for $var"
234 cflags=`pcre-config --cflags`
235 if [ $? -ne 0 ]; then
236 echo >&2 "*** Missing pcre-config for regular expression support"
239 libs=`pcre-config --libs`
240 if [ ".$cflags" != "." ]; then
241 echo "INCLUDE += $cflags"
243 echo "PCRE_LIBS=$libs"
254 echo "# End of pkg-config fixups"
258 if [ $subexit -ne 0 ]; then
264 # make the lookups Makefile with the definitions
265 # the auxiliary script generates $look_mf_post from $look_mf_pre
267 cp ../src/lookups/Makefile $look_mf_pre
268 ../scripts/lookups-Makefile
270 # See if there is a definition of EXIM_PERL in what we have built so far.
271 # If so, run Perl to find the default values for PERL_CC, PERL_CCOPTS,
272 # and PERL_LIBS. These need to be put at the top of the Makefile, so we rename
273 # what we have so far and then copy it afterwards. Use the value of PERL_COMMAND
274 # if it has been defined.
276 EXIM_PERL=`grep EXIM_PERL $mft`
278 PERL_COMMAND=`grep PERL_COMMAND $mft | sed -e "\\$!d;s/^[$st]*PERL_COMMAND[$st]*=[$st]*//"`
279 if [ "${PERL_COMMAND}" = "" ] ; then
283 if [ "${EXIM_PERL}" != "" ] ; then
284 testperl=`$PERL_COMMAND --version`
285 if [ "$testperl" = "" ] ; then
286 echo "*** EXIM_PERL is set, but '$PERL_COMMAND --version' failed"
290 EXTUTILS_EMBED_NOT_INSTALLED=`$PERL_COMMAND -MExtUtils::Embed -e ";" 2>&1`
291 if [ "${EXTUTILS_EMBED_NOT_INSTALLED}" != "" ] ; then
292 echo "Please install ExtUtils::Embed for $PERL_COMMAND"
297 echo "PERL_CC=`$PERL_COMMAND -MConfig -e 'print $Config{cc}'`" >>$mft
298 echo "PERL_CCOPTS=`$PERL_COMMAND -MExtUtils::Embed -e ccopts`" >>$mft
299 echo "PERL_LIBS=`$PERL_COMMAND -MExtUtils::Embed -e ldopts`" >>$mft
305 # Record the build variable in the Makefile.
307 echo "build=$build" >>$mft
310 # Finally, join on the generic base make file, which contains the actual
313 echo "# From ../OS/Makefile-Base" >> $mft
314 cat ../OS/Makefile-Base >> $mft || exit 1
316 # If the new makefile is the same as the existing one, say so, and just
317 # update the timestamp. Otherwise remove the old and install the new.
319 if [ -s $mf ] && cmp -s $mft $mf && [ -s $look_mf ] && cmp -s $look_mf_post $look_mf
320 then echo ">>> rebuilt $mf unchanged"
323 rm -f $mft $look_mf_pre $look_mf_post
324 elif rm -f $mf $look_mf $look_mf_pre
326 mv $look_mf_post $look_mf
327 then echo ">>> New $mf & $look_mf installed"
328 echo '>>> Use "make makefile" if you need to force rebuilding of the makefile'
331 echo "*** Failed to install $mf - see $mft"
332 echo " (or $look_mft)"
338 # End of Configure-Makefile