X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/7b7973654ccf5eb1f97a8bf982bb2a4e85e1d546..1f155f8e69b44ee7678dd1009ae0348e5c8d768e:/src/scripts/lookups-Makefile?ds=inline diff --git a/src/scripts/lookups-Makefile b/src/scripts/lookups-Makefile index 7f45eea03..61493c632 100755 --- a/src/scripts/lookups-Makefile +++ b/src/scripts/lookups-Makefile @@ -2,18 +2,50 @@ # We turn the configure-built build-$foo/lookups/Makefile.predynamic into Makefile -if [ -x /usr/xpg4/bin/sh ] && [ -z "$EXIM_BLOCK_XPG4_LOOP" ] +# 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 "$EXIM_LOOKUP_MAKEFILE_ADJUSTED" ] then - EXIM_BLOCK_XPG4_LOOP=yes - export EXIM_BLOCK_XPG4_LOOP - PATH="/usr/xpg4/bin:$PATH" - export PATH - exec /usr/xpg4/bin/sh "$0" "$@" + 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 $(...) + _XPG=1 + export _XPG + + # We need the _right_ tr, so must do that first; but if a shell which + # we're more confident is sane is available, let's try that. Mostly, + # the problem is that "local" is not actually in "the" standard, it's + # just in every not-insane shell. Though arguably, there are no shells + # with POSIX-ish syntax which qualify as "not insane". + for b in /bin/dash /bin/bash /usr/local/bin/bash + do + if [ -x "$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=lookups/Makefile.predynamic -target=lookups/Makefile -defs_source=Makefile +target=lookups/Makefile.postdynamic +defs_source=Makefile-t tag_marker='MAGIC-TAG-MODS-OBJ-RULES-GO-HERE' tab=' ' @@ -25,23 +57,32 @@ tab=' ' 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" +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 "Missing CFLAGS_DYNAMIC inhibits building dynamic module lookup" + 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=$(OBJ)+ rules in. So we # continue on. fi -tmp="$target.t" - # For the want_ checks, we need to let the user override values from the make # command-line, not just check the Makefile. @@ -61,6 +102,15 @@ want_at_all() { 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="" @@ -68,10 +118,13 @@ OBJ="" emit_module_rule() { local lookup_name="$1" - local mod_name + local mod_name pkgconf if [ "${lookup_name%:*}" = "$lookup_name" ] then - mod_name=$(echo $lookup_name | tr A-Z a-z) + # Square brackets are redundant but benign for POSIX compliant tr, + # however Solaris /usr/bin/tr requires them. Sometimes Solaris + # gets installed without a complete set of xpg4 tools, sigh. + mod_name=$(echo $lookup_name | tr [A-Z] [a-z]) else mod_name="${lookup_name#*:}" lookup_name="${lookup_name%:*}" @@ -80,21 +133,29 @@ emit_module_rule() { if want_dynamic "$lookup_name" then if [ -z "$enable_dynamic" ]; then - echo >&2 "Inhibited dynamic modules prevents building dynamic $lookup_name" + echo >&2 "Missing CFLAGS_DYNAMIC prevents building dynamic $lookup_name" exit 1 fi MODS="${MODS} ${mod_name}.so" - grep "^LOOKUP_${lookup_name}_" "$defs_source" - echo "LOOKUP_${mod_name}_INCLUDE = \$(LOOKUP_${lookup_name}_INCLUDE)" - echo "LOOKUP_${mod_name}_LIBS = \$(LOOKUP_${lookup_name}_LIBS)" + pkgconf=$(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 > "$tmp" +exec > "$target" sed -n "1,/$tag_marker/p" < "$input" @@ -116,13 +177,21 @@ fi 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" < "$input" exec >&5 -mv "$tmp" "$target" +# Configure-Makefile will move $target into place # vim: set ft=sh sw=2 :