ncurses 6.2 - patch 20210807

[ncurses.git] / ncurses / base / MKlib_gen.sh

diff --git a/ncurses/base/MKlib_gen.sh b/ncurses/base/MKlib_gen.sh
index a1587c42445225a7557f9c3f36d3afdc34d7119b..b264eada02578f9455bb33cf94d20ec45ce6d118 100755 (executable)
--- a/ncurses/base/MKlib_gen.sh
+++ b/ncurses/base/MKlib_gen.sh
@@ -2,10 +2,11 @@
 #
 # MKlib_gen.sh -- generate sources from curses.h macro definitions
 #
-# ($Id: MKlib_gen.sh,v 1.62 2018/06/09 19:27:00 tom Exp $)
+# ($Id: MKlib_gen.sh,v 1.69 2021/08/07 21:17:46 tom Exp $)
 #
 ##############################################################################
-# Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.                #
+# Copyright 2018-2020,2021 Thomas E. Dickey                                  #
+# Copyright 1998-2016,2017 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"), #
@@ -68,16 +69,25 @@ 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" | $AWK '{ sub(/^[       ]*/,""); sub(/[         ].*$/, ""); print; }' || exit 0`
-FSF=`"$PRG" --version 2>/dev/null || exit 0 | fgrep "Free Software Foundation" | head -n 1`
+#
+# As illustrated in
+#      https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60723
+#
+# gcc developers chose to ignore the problems with this, and summarized those
+# as "intriguing problems" in
+#      https://gcc.gnu.org/gcc-5/porting_to.html
+
+PRG=`echo "$1" | "$AWK" '{ sub(/^[     ]*/,""); sub(/[         ].*$/, ""); print; }' || exit 0`
+FSF=`("$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/\..*$//'`
+ONE=`echo "$ALL" | sed -e 's/[^0-9].*$//'`
 if test -n "$FSF" && test -n "$ALL" && test -n "$ONE" ; then
-       if test $ONE -ge 5 ; then
+       if test "$ONE" -ge 5 ; then
                echo ".. adding -P option to work around $PRG $ALL" >&2
                preprocessor="$preprocessor -P"
        fi
@@ -95,7 +105,6 @@ trap "rm -f $ED1 $ED2 $ED3 $ED4 $AW1 $AW2 $TMP" 0 1 2 3 15
 
 ALL=$USE
 if test "$USE" = implemented ; then
-       CALL="call_"
        cat >$ED1 <<EOF1
 /^extern.*implemented/{
        h
@@ -118,7 +127,6 @@ if test "$USE" = implemented ; then
 }
 EOF1
 else
-       CALL=""
        cat >$ED1 <<EOF1
 /^extern.*${ALL}/{
        h
@@ -177,7 +185,7 @@ EOF3
 
 if test "$USE" = generated ; then
 cat >$ED4 <<EOF
-       s/^\(.*\) \(.*\) (\(.*\))\$/NCURSES_EXPORT(\1) (\2) (\3)/
+       s/^\(.*\) \(.*\) (\(.*\))\$/NCURSES_EXPORT(\1) \2 (\3)/
        /attr_[sg]et.* z)/s,z),z GCC_UNUSED),
 EOF
 else
@@ -432,6 +440,7 @@ BEGIN               {
                print "#include <ncurses_cfg.h>"
                print ""
                print "#undef NCURSES_NOMACROS  /* _this_ file uses macros */"
+               print "#define NCURSES_NOMACROS 1"
                print ""
                print "#include <curses.priv.h>"
                print ""
@@ -494,7 +503,7 @@ EOF
 sed -n -f $ED1 \
 | sed -e 's/NCURSES_EXPORT(\(.*\)) \(.*\) (\(.*\))/\1 \2(\3)/' \
 | sed -f $ED2 \
-| $AWK -f $AW1 using=$USE \
+| "$AWK" -f $AW1 using="$USE" \
 | sed \
        -e 's/ [ ]*$//g' \
        -e 's/^\([a-zA-Z_][a-zA-Z_]*[ *]*\)/\1 gen_/' \
@@ -506,7 +515,7 @@ $preprocessor $TMP 2>/dev/null \
        -e 's/  / /g' \
        -e 's/^ //' \
        -e 's/_Bool/NCURSES_BOOL/g' \
-| $AWK -f $AW2 \
+| "$AWK" -f $AW2 \
 | sed -f $ED3 \
 | sed \
        -e 's/^.*T_CALLED.*returnCode( \([a-z].*) \));/ return \1;/' \