1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
#! /bin/sh
# We turn the configure-built build-$foo/lookups/Makefile.predynamic into Makefile
# We always re-exec ourselves at least once, because it's the cleanest and
# most portable way to turn on various features we expect of POSIX sh.
if [ -z "$EXIM_LOOKUP_MAKEFILE_ADJUSTED" ]
then
SHELL=/bin/sh
EXIM_LOOKUP_MAKEFILE_ADJUSTED=yes
export EXIM_LOOKUP_MAKEFILE_ADJUSTED
# Solaris sh and tr are problematic until we get xpg4 variants
if [ -x /usr/xpg4/bin/sh ]
then
PATH="/usr/xpg4/bin:$PATH"
export PATH
SHELL=/usr/xpg4/bin/sh
export SHELL
fi
# IRIX uses /bin/ksh for sh but in a compatibility mode unless $_XPG == 1,
# where said compatibility mode disables $(...)
_XPG=1
export _XPG
exec "$SHELL" "$0" "$@"
fi
input=lookups/Makefile.predynamic
target=lookups/Makefile.postdynamic
defs_source=Makefile-t
tag_marker='MAGIC-TAG-MODS-OBJ-RULES-GO-HERE'
tab=' '
# We rely on tr(1) for translating case below. Some people export
# values of LC_CTYPE and LC_COLLATE which apparently break our assumptions.
# We're a script expecting certain output based on known inputs and not dealing
# with UTF8, so we should be safe doingthis:
LC_ALL=C
export LC_ALL
# nb: do not permit leading whitespace for this, as CFLAGS_DYNAMIC is exported
# to the lookups subdir via a line with leading whitespace which otherwise
# matches
if grep -q "^CFLAGS_DYNAMIC[ $tab?:]*=" "$defs_source"
then
# we have a definition, we're good to go
echo >&2 ">>> Creating lookups/Makefile for building dynamic modules"
enable_dynamic=yes
else
echo >&2 ">>> Creating lookups/Makefile without dynamic module support"
enable_dynamic=''
# We always do something now, since there should always be a lookup,
# and now we need to run in order to put the OBJ=$(OBJ)+ rules in. So we
# continue on.
fi
# For the want_ checks, we need to let the user override values from the make
# command-line, not just check the Makefile.
want_dynamic() {
local dyn_name="$1"
local re="LOOKUP_${dyn_name}[ $tab]*=[ $tab]*2"
env | grep -q "^$re"
if [ $? -eq 0 ]; then return 0; fi
grep -q "^[ $tab]*$re" "$defs_source"
}
want_at_all() {
local want_name="$1"
local re="LOOKUP_${want_name}[ $tab]*=[ $tab]*."
env | grep -q "^$re"
if [ $? -eq 0 ]; then return 0; fi
grep -q "^[ $tab]*$re" "$defs_source"
}
# Adapted want_at_all above to work for EXPERIMENTAL features
want_experimental() {
local want_name="$1"
local re="EXPERIMENTAL_${want_name}[ $tab]*=[ $tab]*."
env | grep -q "^$re"
if [ $? -eq 0 ]; then return 0; fi
grep -q "^[ $tab]*$re" "$defs_source"
}
# The values of these variables will be emitted into the Makefile.
MODS=""
OBJ=""
emit_module_rule() {
local lookup_name="$1"
local mod_name pkgconf
if [ "${lookup_name%:*}" = "$lookup_name" ]
then
# Square brackets are redundant but benign for POSIX compliant tr,
# however Solaris /usr/bin/tr requires them. Sometimes Solaris
# gets installed without a complete set of xpg4 tools, sigh.
mod_name=$(echo $lookup_name | tr [A-Z] [a-z])
else
mod_name="${lookup_name#*:}"
lookup_name="${lookup_name%:*}"
fi
if want_dynamic "$lookup_name"
then
if [ -z "$enable_dynamic" ]; then
echo >&2 "Missing CFLAGS_DYNAMIC prevents building dynamic $lookup_name"
exit 1
fi
MODS="${MODS} ${mod_name}.so"
pkgconf=$(grep "^LOOKUP_${lookup_name}_PC" "$defs_source")
if [ $? -eq 0 ]; then
pkgconf=$(echo $pkgconf | sed 's/^.*= *//')
echo "LOOKUP_${mod_name}_INCLUDE = $(pkg-config --cflags $pkgconf)"
echo "LOOKUP_${mod_name}_LIBS = $(pkg-config --libs $pkgconf)"
else
grep "^LOOKUP_${lookup_name}_" "$defs_source"
echo "LOOKUP_${mod_name}_INCLUDE = \$(LOOKUP_${lookup_name}_INCLUDE)"
echo "LOOKUP_${mod_name}_LIBS = \$(LOOKUP_${lookup_name}_LIBS)"
fi
elif want_at_all "$lookup_name"
then
OBJ="${OBJ} ${mod_name}.o"
fi
}
rm -f "$target"
exec 5>&1
exec > "$target"
sed -n "1,/$tag_marker/p" < "$input"
for name_mod in \
CDB DBM:dbmdb DNSDB DSEARCH IBASE LSEARCH MYSQL NIS NISPLUS ORACLE \
PASSWD PGSQL SQLITE TESTDB WHOSON
do
emit_module_rule $name_mod
done
if want_at_all LDAP
then
OBJ="${OBJ} ldap.o"
fi
# Because the variable is EXPERIMENTAL_SPF and not LOOKUP_SPF we
# always include spf.o and compile a dummy if EXPERIMENTAL_SPF is not
# defined.
OBJ="${OBJ} spf.o"
# Because the variable is EXPERIMENTAL_REDIS and not LOOKUP_REDIS we
# use a different function to check for EXPERIMENTAL_* features
# requested. Don't use the SPF method with dummy functions above.
if want_experimental REDIS
then
OBJ="${OBJ} redis.o"
fi
echo "MODS = $MODS"
echo "OBJ = $OBJ"
sed -n "/$tag_marker/,\$p" < "$input"
exec >&5
# Configure-Makefile will move $target into place
# vim: set ft=sh sw=2 :
|