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#! /bin/sh
# Build the config.h file, using the buildconfig program, first ensuring that
# it exists.
# 22-May-1996: remove the use of the "-a" flag for /bin/sh because it is not
# implemented in the FreeBSD shell. Sigh.
# 12-Mar-1997: add s/#.*$// to the sed script to allow for comments on the
# ends of settings - someone got caught.
# 18-Apr-1997: put the tab character into a variable to stop it getting
# lost by accident (which has happened a couple of times).
# 19-Jan-1998: indented settings in the makefile weren't being handled
# correctly; added [$st]* before \\([A-Z] in the pattern, to ignore leading
# space. Oddly, the pattern previously read ^\([A-Z which didn't seem to
# cause a problem (but did when the new bit was put in).
# 04-May-2005: if $1 is set, copy it into $MAKE, and then use $MAKE, if set,
# instead of "make" so that if gmake is used, it is used consistently.
if [ "$1" != "" ] ; then MAKE=$1 ; fi
if [ "$MAKE" = "" ] ; then MAKE=make ; fi
$MAKE buildconfig || exit 1
# BEWARE: tab characters needed in the following sed command. They have had
# a nasty tendency to get lost in the past, causing a problem if a tab has
# actually been present in makefile. Use a variable to hold a space and a
# tab to keep the tab in one place. This makes the sed option horrendous to
# read, but the whole script is safer.
st=' '
(sed -n \
"/\\\$/d;s/#.*\$//;s/^[$st]*\\([A-Z][^:!+$st]*\\)[$st]*=[$st]*\\([^$st]*\\)[$st]*\$/\\1=\\2 export \\1/p" \
< Makefile ; echo "./buildconfig") | /bin/sh
# If buildconfig ends with an error code, it will have output an error
# message. Ensure that a broken config.h gets deleted.
if [ $? != 0 ] ; then
rm -f config.h
exit 1
fi
# Double-check that config.h is complete.
if [ "`tail -1 config.h`" != "/* End of config.h */" ] ; then
echo "*** config.h appears to be incomplete"
echo "*** unexpected failure in buildconfig program"
exit 1
fi
echo ">>> config.h built"
echo ""
# vim: set ft=sh :
# End of Configure-config.h
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