#
# MKlib_gen.sh -- generate sources from curses.h macro definitions
#
-# ($Id: MKlib_gen.sh,v 1.47 2014/12/06 18:56:25 tom Exp $)
+# ($Id: MKlib_gen.sh,v 1.50 2015/08/07 00:48:24 tom Exp $)
#
##############################################################################
-# Copyright (c) 1998-2011,2014 Free Software Foundation, Inc. #
+# Copyright (c) 1998-2014,2015 Free Software Foundation, Inc. #
# #
# Permission is hereby granted, free of charge, to any person obtaining a #
# copy of this software and associated documentation files (the "Software"), #
AWK="$2"
USE="$3"
+# A patch discussed here:
+# https://gcc.gnu.org/ml/gcc-patches/2014-06/msg02185.html
+# introduces spurious #line markers into the preprocessor output. The result
+# appears in gcc 5.0 and (with modification) in 5.1, making it necessary to
+# determine if we are using gcc, and if so, what version because the proposed
+# solution uses a nonstandard option.
+PRG=`echo "$1" | $AWK '{ sub(/^[[:space:]]*/,""); sub(/[[:space:]].*$/, ""); print; }' || exit 0`
+FSF=`"$PRG" --version 2>/dev/null || exit 0 | fgrep "Free Software Foundation" | head -n 1`
+ALL=`"$PRG" -dumpversion 2>/dev/null || exit 0`
+ONE=`echo "$ALL" | sed -e 's/\..*$//'`
+if test -n "$FSF" && test -n "$ALL" && test -n "$ONE" ; then
+ if test $ONE -ge 5 ; then
+ echo ".. adding -P option to work around $PRG $ALL" >&2
+ preprocessor="$preprocessor -P"
+ fi
+fi
+
PID=$$
ED1=sed1_${PID}.sed
ED2=sed2_${PID}.sed
-e 's/gen_$//' \
-e 's/ / /g' >>$TMP
-cat >$ED1 <<EOF
-s/ / /g
-s/^ //
-s/ $//
-s/P_NCURSES_BOOL/NCURSES_BOOL/g
-EOF
-
-# A patch discussed here:
-# https://gcc.gnu.org/ml/gcc-patches/2014-06/msg02185.html
-# introduces spurious #line markers. Work around that by ignoring the system's
-# attempt to define "bool" and using our own symbol here.
-sed -e 's/bool/P_NCURSES_BOOL/g' $TMP > $ED2
-cat $ED2 >$TMP
-
$preprocessor $TMP 2>/dev/null \
-| sed -f $ED1 \
+| sed \
+ -e 's/ / /g' \
+ -e 's/^ //' \
+ -e 's/_Bool/NCURSES_BOOL/g' \
| $AWK -f $AW2 \
| sed -f $ED3 \
| sed \