-#! /bin/sh
-
-# Copyright (c) The Exim Maintainers 1995 - 2021
-# SPDX-License-Identifier: GPL-2.0-or-later
-
-# We turn the configure-built build-$foo/routers/Makefile.predynamic into Makefile
-
-# We always re-exec ourselves at least once, because it's the cleanest and
-# most portable way to turn on various features we expect of POSIX sh.
-if [ -z "$EXIM_ROUTER_MAKEFILE_ADJUSTED" ]
-then
- SHELL=/bin/sh
- EXIM_ROUTER_MAKEFILE_ADJUSTED=yes
- export EXIM_ROUTER_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 $(...)
- _XPG=1
- export _XPG
-
- # We need the _right_ tr, so must do that first; but if a shell which
- # we're more confident is sane is available, let's try that. Mostly,
- # the problem is that "local" is not actually in "the" standard, it's
- # just in every not-insane shell. Though arguably, there are no shells
- # with POSIX-ish syntax which qualify as "not insane".
- for b in /bin/dash /bin/bash /usr/local/bin/bash
- do
- if [ -x "$b" ]
- then
- SHELL="$b"
- break
- fi
- done
- # if we get a report of a system with zsh but not bash, we can add that
- # to the list, but be sure to enable sh_word_split in that case.
-
- exec "$SHELL" "$0" "$@"
-fi
-
-input=routers/Makefile.predynamic
-target=routers/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 doing this:
-LC_ALL=C
-export LC_ALL
-
-if [ -f "$defs_source" ]
-then
- :
- # we are happy
-else
- echo >&2 "$0: ERROR: MISSING FILE '${defs_source}'"
- echo >&2 "$0: SHOULD HAVE BEEN CALLED FROM scripts/Configure-Makefile"
- exit 1
-fi
-
-# 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 routers/Makefile for building dynamic modules"
- enable_dynamic=yes
-else
- echo >&2 ">>> Creating routers/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="$1"
- local re="ROUTER_${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="$1"
- local re="ROUTER_${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 name="$1"
- local mod_name pkgconf
- if [ "${name%:*}" = "$name" ]
- then
- # Square brackets are redundant but benign for POSIX compliant tr,
- # however Solaris /usr/bin/tr requires them. Sometimes Solaris
- # gets installed without a complete set of xpg4 tools, sigh.
- mod_name=$(echo $name | tr [A-Z] [a-z])
- else
- mod_name="${name#*:}"
- name="${name%:*}"
- fi
-
- if want_dynamic "$name"
- then
- if [ -z "$enable_dynamic" ]; then
- echo >&2 "Missing CFLAGS_DYNAMIC prevents building dynamic $name"
- exit 1
- fi
- MODS="${MODS} ${mod_name}.so"
-# pkgconf=$(grep "^ROUTER_${name}_PC" "$defs_source")
-# if [ $? -eq 0 ]; then
-# pkgconf=$(echo $pkgconf | sed 's/^.*= *//')
-# echo "ROUTER_${mod_name}_INCLUDE = $(pkg-config --cflags $pkgconf)"
-# echo "ROUTER_${mod_name}_LIBS = $(pkg-config --libs $pkgconf)"
-# else
-# grep "^ROUTER_${name}_" "$defs_source"
-# echo "ROUTER_${mod_name}_INCLUDE = \$(ROUTER_${name}_INCLUDE)"
-# echo "ROUTER_${mod_name}_LIBS = \$(ROUTER_${name}_LIBS)"
-# fi
- elif want_at_all "$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 \
- ACCEPT DNSLOOKUP IPLITERAL IPLOOKUP MANUALROUTE QUERYPROGRAM REDIRECT
-do
- emit_module_rule $name_mod
-done
-
-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 :
git://git.exim.org / exim.git / commitdiff