libtool/tests/libtool.at
Paul Eggert 80d05c3483 libtool: port better to POSIX grep
This fixes some other regular expressions that GNU grep 3.8 does not
warn about (I found them with an even-pickier 'grep').

I did not look systematically for all portability bugs of this form.

Url: https://savannah.gnu.org/patch/index.php?10282

* tests/cdemo.at (allow_undefined_flag):
Prefer } to \} in EREs, as \} is not portable.
* tests/libtool.at (quote shell meta-characters in filenames):
Prefer ] to \] in BREs, as \] is not portable.
2024-01-13 22:59:34 -05:00

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# libtool.at -- basic libtool operation tests -*- Autotest -*-
#
# Copyright (C) 2003-2005, 2008, 2011-2019, 2021-2024 Free Software
# Foundation, Inc.
# Written by Gary V. Vaughan, 2003
#
# This file is part of GNU Libtool.
#
# GNU Libtool 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 2 of
# the License, or (at your option) any later version.
#
# GNU Libtool 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 GNU Libtool; see the file COPYING. If not, a copy
# can be downloaded from http://www.gnu.org/licenses/gpl.html,
# or obtained by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
####
AT_BANNER([Basic libtool operation.])
## ------------------ ##
## Check help output. ##
## ------------------ ##
AT_SETUP([check help output])
AT_CHECK([$LIBTOOL --help], [0], [stdout], [stderr])
AT_CHECK([$GREP '^Usage:' stdout stderr], [0], [ignore])
AT_CHECK([$LIBTOOL --mode=link --help], [0], [stdout], [stderr])
AT_CHECK([$GREP '^Usage:' stdout stderr], [0], [ignore])
AT_CLEANUP
## ------------------- ##
## No mode diagnostic. ##
## ------------------- ##
AT_SETUP([diagnose no mode specified])
AT_CHECK([$LIBTOOL], [1], [ignore], [stderr])
AT_CHECK([$GREP 'you must specify a MODE' stderr], [0], [ignore])
AT_CLEANUP
## ----------------------------------- ##
## Shell meta-characters in filenames. ##
## ----------------------------------- ##
AT_SETUP([quote shell meta-characters in filenames])
eval `$LIBTOOL --config | $GREP '^wl='`
# Do the torture test.
for mode in compile link install; do
# Unfortunately, without an array data type, it is nearly impossible
# to protect libtool from metacharacters in filenames. So, we just
# try metacharacters in the options it needs to pass to other programs.
# preargs and postargs need to go through libtool unmodified.
case $mode in
compile)
preargs="$CC -c"
preflag=
match_preflag=
flag=-DVAR=
postargs=foo.c
;;
link)
preargs="$CC -o hell -g -O"
preflag=-Wl,
match_preflag=$wl
flag=-someflag=
postargs=foo.o
;;
install)
preargs="install -c"
preflag=
match_preflag=
flag=--something=
postargs="hell /usr/local/bin/hell"
;;
esac
# Trivial...
AT_CHECK([$LIBTOOL -n --mode=$mode $preargs $preflag"$flag:test" $postargs],
[0], [stdout])
# We must not attempt to match $preargs in the output, because libtool
# may modify them. For example, on Cygwin, 'libtool --mode=link gcc -o
# foo foo.o' becomes 'gcc -o foo.exe foo.o'.
AT_CHECK([$GREP "$mode:.*$match_preflag$flag:test " stdout], [0], [ignore])
# Non-trivial...
# Backslash needs to be double-escaped: one escape is stripped as the shell
# collects arguments for grep (\\\\\\\\ => \\\\), and then another escape
# is stripped by grep itself (\\\\ => \\) before the resulting expression is
# matched (grepping for \\ matches \):
AT_CHECK([$LIBTOOL -n --mode=$mode $preargs $preflag"$flag\\:test\\" $postargs],
[0], [stdout])
# NOTE: we use "..."'"'"..." to insert a literal quote into the expression
# because "...\"..." is not expanded consistently by all shells.
AT_CHECK([$GREP "$mode:.*$match_preflag"'"\{0,1\}'"$flag\\\\\\\\:test\\\\\\\\"'"\{0,1\} ' stdout],
[0], [ignore])
# Shell metacharacters that should be backslashified by libtool.
for mchar in \" \` \$; do
AT_CHECK([$LIBTOOL -n --mode=$mode $preargs $preflag"$flag$mchar:test$mchar" $postargs],
[0], [stdout])
AT_CHECK([$GREP "$mode:.*$match_preflag"'"'"\{0,1\}$flag\\\\$mchar:test\\\\$mchar"'"'"\{0,1\} " stdout], [0], [ignore])
done
# Shell metacharacters that should be double quoted by libtool, and need
# backslash escaping for input to grep.
for mchar in "@<:@" "^" "*"; do
AT_CHECK([$LIBTOOL -n --mode=$mode $preargs $preflag"$flag$mchar:test$mchar" $postargs],
[0], [stdout])
AT_CHECK([$GREP "$mode:.*$match_preflag\"$flag\\$mchar:test\\$mchar\" " stdout], [0], [ignore])
done
# Metacharacters that should be double quoted by libtool, but which are
# not special to grep (NOTE: Some of these ARE special to $EGREP!!).
for mchar in "~" "#" "&" "(" ")" "@:>@" "{" "}" "|" ";" "<" ">" "?" "'" " " " "; do
AT_CHECK([$LIBTOOL -n --mode=$mode $preargs $preflag"$flag$mchar:test$mchar" $postargs],
[0], [stdout])
AT_CHECK([$GREP "$mode:.*$match_preflag\"$flag$mchar:test$mchar\" " stdout], [0], [ignore])
done
done
AT_CLEANUP
## -------------------------- ##
## Transform source suffices. ##
## -------------------------- ##
AT_SETUP([transform source suffices])
# Extensions taken from the ones that Automake recognizes, plus Objective C,
# and GNU Ada. Also test that multiple dots are handled correctly.
extensions="C F S ada adb ads asm c c++ cc cpp cxx f f90 F90 f95 F95 f03 F03 for go m s sx ada.ada"
bad_names=foo.
for ext in $extensions; do
# Try a sample compile command.
AT_CHECK([$LIBTOOL -n --mode=compile compiler -c foo.$ext],
[1], [ignore], [stderr])
AT_CHECK([$GREP 'cannot' stderr], [1], [ignore])
done
# Make sure that invalid suffixes are not recognized.
for name in $bad_names; do
AT_CHECK([$LIBTOOL -n --mode=compile compiler -c $name],
[1], [ignore], [stderr])
AT_CHECK([$GREP 'cannot' stderr], [0], [ignore])
done
AT_CLEANUP
## --------------------- ##
## Check link operation. ##
## --------------------- ##
AT_SETUP([check link mode operation])
AT_CHECK([$LIBTOOL -n --mode=link $CC -o gettext ../lib/libnlsut.a], [0], [stdout])
AT_CHECK([$EGREP '../lib/libnlsut.a' stdout], [0], [ignore])
AT_DATA([hell.lo],
[[# Generated by libtool
pic_object=none
non_pic_object=hell.o
]])
AT_CHECK([$LIBTOOL -n --mode=link $CC -o something foo.o hell.lo], [0], [stdout], [ignore])
AT_CHECK([$FGREP '.lo ' stdout], [1], [ignore])
AT_CLEANUP
## -------------------------------- ##
## Check objectlist file operation. ##
## -------------------------------- ##
AT_SETUP([check objectlist file operation])
AT_CHECK([$LIBTOOL -n --mode=link $CC -objectlist nonexistent], [1], [ignore], [stderr])
AT_CHECK([$GREP 'nonexistent' stderr], [0], [ignore])
AT_CLEANUP
## --------------------------------- ##
## Check LT_SUPPORTED_TAG interface. ##
## --------------------------------- ##
AT_SETUP([test LT_SUPPORTED_TAG interface])
AT_CHECK([test no != "$AUTOCONF" || exit 77])
cp $abs_top_srcdir/aclocal.m4 ./aclocal.m4
cp $abs_top_srcdir/configure.ac ./configure.ac
cp -r $abs_top_srcdir/build-aux ./build-aux
cp -r $abs_top_srcdir/m4 ./m4
# Retrieve the list of tags supported by our main libtool script.
traced_tags=`$AUTOCONF --trace 'LT_SUPPORTED_TAG:$1'`
AT_CHECK([test -n "$traced_tags"])
# Ensure each of them is accepted by --tag.
# (We do some useless operation like erasing an empty file, because
# we are just interested in whether --tag accepts the tag or not.)
for tag in $traced_tags; do
AT_CHECK([$LIBTOOL -n --mode=link --tag=$tag compiler -o liba.la foo.lo],
[], [ignore], [stderr])
AT_CHECK([$GREP 'ignoring unknown tag' stderr], [1], [ignore])
done
# Ensure the above command would have failed for unknown tags
AT_CHECK([$LIBTOOL -n --mode=link --tag=UnKnOwN compiler -o liba.la foo.lo],
[], [ignore], [stderr])
AT_CHECK([$GREP 'ignoring unknown tag' stderr], [0], [ignore])
AT_CLEANUP