3 # We turn the configure-built build-$foo/lookups/Makefile.predynamic into Makefile
5 # We always re-exec ourselves at least once, because it's the cleanest and
6 # most portable way to turn on various features we expect of POSIX sh.
7 if [ -z "$EXIM_LOOKUP_MAKEFILE_ADJUSTED" ]
10 EXIM_LOOKUP_MAKEFILE_ADJUSTED=yes
11 export EXIM_LOOKUP_MAKEFILE_ADJUSTED
13 # Solaris sh and tr are problematic until we get xpg4 variants
14 if [ -x /usr/xpg4/bin/sh ]
16 PATH="/usr/xpg4/bin:$PATH"
18 SHELL=/usr/xpg4/bin/sh
22 # IRIX uses /bin/ksh for sh but in a compatibility mode unless $_XPG == 1,
23 # where said compatibility mode disables $(...)
27 # We need the _right_ tr, so must do that first; but if a shell which
28 # we're more confident is sane is available, let's try that. Mostly,
29 # the problem is that "local" is not actually in "the" standard, it's
30 # just in every not-insane shell. Though arguably, there are no shells
31 # with POSIX-ish syntax which qualify as "not insane".
32 for b in /bin/dash /bin/bash /usr/local/bin/bash
40 # if we get a report of a system with zsh but not bash, we can add that
41 # to the list, but be sure to enable sh_word_split in that case.
43 exec "$SHELL" "$0" "$@"
46 input=lookups/Makefile.predynamic
47 target=lookups/Makefile.postdynamic
48 defs_source=Makefile-t
49 tag_marker='MAGIC-TAG-MODS-OBJ-RULES-GO-HERE'
53 # We rely on tr(1) for translating case below. Some people export
54 # values of LC_CTYPE and LC_COLLATE which apparently break our assumptions.
55 # We're a script expecting certain output based on known inputs and not dealing
56 # with UTF8, so we should be safe doingthis:
60 if [ -f "$defs_source" ]
65 echo >&2 "$0: ERROR: MISSING FILE '${defs_source}'"
66 echo >&2 "$0: SHOULD HAVE BEEN CALLED FROM scripts/Configure-Makefile"
70 # nb: do not permit leading whitespace for this, as CFLAGS_DYNAMIC is exported
71 # to the lookups subdir via a line with leading whitespace which otherwise
73 if grep -q "^CFLAGS_DYNAMIC[ $tab?:]*=" "$defs_source"
75 # we have a definition, we're good to go
76 echo >&2 ">>> Creating lookups/Makefile for building dynamic modules"
79 echo >&2 ">>> Creating lookups/Makefile without dynamic module support"
81 # We always do something now, since there should always be a lookup,
82 # and now we need to run in order to put the OBJ=$(OBJ)+ rules in. So we
86 # For the want_ checks, we need to let the user override values from the make
87 # command-line, not just check the Makefile.
91 local re="LOOKUP_${dyn_name}[ $tab]*=[ $tab]*2"
93 if [ $? -eq 0 ]; then return 0; fi
94 grep -q "^[ $tab]*$re" "$defs_source"
99 local re="LOOKUP_${want_name}[ $tab]*=[ $tab]*."
101 if [ $? -eq 0 ]; then return 0; fi
102 grep -q "^[ $tab]*$re" "$defs_source"
105 # Adapted want_at_all above to work for EXPERIMENTAL features
106 want_experimental() {
108 local re="EXPERIMENTAL_${want_name}[ $tab]*=[ $tab]*."
110 if [ $? -eq 0 ]; then return 0; fi
111 grep -q "^[ $tab]*$re" "$defs_source"
114 # The values of these variables will be emitted into the Makefile.
120 local lookup_name="$1"
121 local mod_name pkgconf
122 if [ "${lookup_name%:*}" = "$lookup_name" ]
124 # Square brackets are redundant but benign for POSIX compliant tr,
125 # however Solaris /usr/bin/tr requires them. Sometimes Solaris
126 # gets installed without a complete set of xpg4 tools, sigh.
127 mod_name=$(echo $lookup_name | tr [A-Z] [a-z])
129 mod_name="${lookup_name#*:}"
130 lookup_name="${lookup_name%:*}"
133 if want_dynamic "$lookup_name"
135 if [ -z "$enable_dynamic" ]; then
136 echo >&2 "Missing CFLAGS_DYNAMIC prevents building dynamic $lookup_name"
139 MODS="${MODS} ${mod_name}.so"
140 pkgconf=$(grep "^LOOKUP_${lookup_name}_PC" "$defs_source")
141 if [ $? -eq 0 ]; then
142 pkgconf=$(echo $pkgconf | sed 's/^.*= *//')
143 echo "LOOKUP_${mod_name}_INCLUDE = $(pkg-config --cflags $pkgconf)"
144 echo "LOOKUP_${mod_name}_LIBS = $(pkg-config --libs $pkgconf)"
146 grep "^LOOKUP_${lookup_name}_" "$defs_source"
147 echo "LOOKUP_${mod_name}_INCLUDE = \$(LOOKUP_${lookup_name}_INCLUDE)"
148 echo "LOOKUP_${mod_name}_LIBS = \$(LOOKUP_${lookup_name}_LIBS)"
150 elif want_at_all "$lookup_name"
152 OBJ="${OBJ} ${mod_name}.o"
160 sed -n "1,/$tag_marker/p" < "$input"
163 CDB DBM:dbmdb DNSDB DSEARCH IBASE LSEARCH MYSQL NIS NISPLUS ORACLE \
164 PASSWD PGSQL SQLITE TESTDB WHOSON
166 emit_module_rule $name_mod
174 # Because the variable is EXPERIMENTAL_SPF and not LOOKUP_SPF we
175 # always include spf.o and compile a dummy if EXPERIMENTAL_SPF is not
180 # Because the variable is EXPERIMENTAL_REDIS and not LOOKUP_REDIS we
181 # use a different function to check for EXPERIMENTAL_* features
182 # requested. Don't use the SPF method with dummy functions above.
183 if want_experimental REDIS
191 sed -n "/$tag_marker/,\$p" < "$input"
195 # Configure-Makefile will move $target into place
197 # vim: set ft=sh sw=2 :