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|
#! /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"
}
# 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%:*}" = "$lookup_name" ]
then
mod_name=$(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"
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 :
|
