X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2FMKlib_gen.sh;h=9e41cea2f35965b08aa48db45a59e26104f6868a;hp=b91398c740a266f10edbbce19f19c52b9709556f;hb=6a530b46563470c2ca73579d1994a0c8e275dd98;hpb=32f9f5f12cd9159261f9db228461049e8c770404;ds=sidebyside

diff --git a/ncurses/base/MKlib_gen.sh b/ncurses/base/MKlib_gen.sh
index b91398c7..9e41cea2 100755
--- a/ncurses/base/MKlib_gen.sh
+++ b/ncurses/base/MKlib_gen.sh
@@ -2,10 +2,10 @@
 #
 # 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 1.48 2015/07/25 19:02:45 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"), #
@@ -66,6 +66,23 @@ preprocessor="$1 -DNCURSES_INTERNALS -I../include"
 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 "$1" | sed -e 's/[[:space:]].*$//'`
+FSF=`"$PRG" --version 2>/dev/null | fgrep "Free Software Foundation" | head -n 1`
+ALL=`"$PRG" -dumpversion 2>/dev/null `
+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
@@ -474,22 +491,11 @@ sed -n -f $ED1 \
 	-e 's/gen_$//' \
 	-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 \