# 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 $(...)
+ _XPG=1
+ export _XPG
+
+ exec "$SHELL" "$0" "$@"
fi
input=lookups/Makefile.predynamic
tab=' '
-# We always do something now, since there should always be a lookup,
-# and now we need to run in order to put the OBJ=$(OBJ)+ rules in.
+# We rely on tr(1) for translating case below. Some people export
+# values of LC_CTYPE and LC_COLLATE which apparently break our assumptions.
+# We're a script expecting certain output based on known inputs and not dealing
+# with UTF8, so we should be safe doingthis:
+LC_ALL=C
+export LC_ALL
# nb: do not permit leading whitespace for this, as CFLAGS_DYNAMIC is exported
# to the lookups subdir via a line with leading whitespace which otherwise
else
echo >&2 "Missing CFLAGS_DYNAMIC inhibits building dynamic module lookup"
enable_dynamic=''
+ # We always do something now, since there should always be a lookup,
+ # and now we need to run in order to put the OBJ=$(OBJ)+ rules in. So we
+ # continue on.
fi
tmp="$target.t"