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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
commit | 9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch) | |
tree | c85bca1e6c11eb872edfc64c524d20f2b7e3307b /support/rlvers.sh | |
parent | Initial commit. (diff) | |
download | bash-upstream.tar.xz bash-upstream.zip |
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rwxr-xr-x | support/rlvers.sh | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/support/rlvers.sh b/support/rlvers.sh new file mode 100755 index 0000000..64cadc7 --- /dev/null +++ b/support/rlvers.sh @@ -0,0 +1,113 @@ +#! /bin/sh +# +# rlvers.sh -- run a program that prints out the readline version number +# using locally-installed readline libraries +# + +# Copyright (C) 1996-2002 Free Software Foundation, Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +PROGNAME=`basename $0` + +: ${TMPDIR:=/tmp} +TDIR=$TMPDIR/rlvers + +# defaults +CC=cc +RL_LIBDIR=/usr/local/lib +RL_INCDIR=/usr/local/include + +TERMCAP_LIB="-ltermcap" + +# cannot rely on the presence of getopts +while [ $# -gt 0 ]; do + case "$1" in + -C) shift ; CC="$1"; shift ;; + -I) shift ; RL_INCDIR="$1" ; shift ;; + -L) shift ; RL_LIBDIR="$1" ; shift ;; + -T) shift ; TERMCAP_LIB="$1" ; shift ;; + -v) shift ; verbose=y ;; + --) shift ; break ;; + *) echo "${PROGNAME}: usage: $PROGNAME [-C compiler] [-L libdir] [-v]" >&2 ; exit 2;; + esac +done + +# if someone happened to install examples/rlversion, use it (it's not +# installed by default) +if test -f ${RL_LIBDIR}/rlversion ; then + if [ -n "$verbose" ]; then + echo "${PROGNAME}: using installed rlversion from ${RL_LIBDIR}/rlversion" + fi + v=`${RL_LIBDIR}/rlversion 2>/dev/null` + case "$v" in + unknown | "") echo 0 ;; + *) echo "$v" ;; + esac + exit 0 +fi + +if [ -n "$verbose" ]; then + echo "${PROGNAME}: using ${RL_LIBDIR} to find libreadline" + echo "${PROGNAME}: attempting program compilation" +fi + +# make $TDIR mode 0700 +mkdir $TDIR || { + echo "${PROGNAME}: ${TDIR}: file exists" >&2 + echo 0 + exit 1 +} +chmod 700 $TDIR + +trap 'rm -f $TDIR/rlvers $TDIR/rlvers.? ; rmdir $TDIR' 0 1 2 3 6 15 + +cat > $TDIR/rlvers.c << EOF +#include <stdio.h> +extern char *rl_library_version; + +main() +{ + printf("%s\n", rl_library_version ? rl_library_version : "0"); + exit(0); +} +EOF + +opwd=`pwd` + +cd $TDIR || { + echo "${PROGNAME}: cannot cd to $TDIR" >&2 + echo 0 + exit 1 +} + +if eval ${CC} -L${RL_LIBDIR} -I${RL_INCDIR} -o $TDIR/rlvers $TDIR/rlvers.c -lreadline ${TERMCAP_LIB}; +then + v=`$TDIR/rlvers` +else + if [ -n "$verbose" ] ; then + echo "${PROGNAME}: compilation failed: status $?" + echo "${PROGNAME}: using version 0" + fi + v=0 +fi + +case "$v" in +unknown | "") echo 0 ;; +*) echo "$v" ;; +esac + +cd $opwd +exit 0 |