diff options
Diffstat (limited to 'scripts/Configure-config.h')
-rwxr-xr-x | scripts/Configure-config.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/scripts/Configure-config.h b/scripts/Configure-config.h new file mode 100755 index 0000000..75d366f --- /dev/null +++ b/scripts/Configure-config.h @@ -0,0 +1,60 @@ +#! /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 |