Hi,
To tell the truth, I've been bothering this problem at the configure
time, also expecting there are other IRIX users in secret :-(
The problem I have (possibly) exists at line 4831 in the "Configure".
Please see the following script I cut and modified from Configure:
--from here (signal.sh)
#!/bin/sh
cat=/usr/freeware/bin/cat
cc='ccache gcc'
optimize=-O2
ccflags='-W -Wall -Wformat=2 -g'
ldflags=
libs='-licuuc -lintl -liconv -lz'
: Some greps do not return status, grrr.
echo "grimblepritz" >grimble
if grep blurfldyick grimble >/dev/null 2>&1 ; then
contains=contains
elif grep grimblepritz grimble >/dev/null 2>&1 ; then
contains=grep
else
contains=contains
fi
rm -f grimble
: the following should work in any shell
case "$contains" in
contains*)
echo " "
echo "AGH! Grep doesn't return a status. Attempting remedial action."
cat >contains <<'EOSS'
grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp
EOSS
chmod +x contains
esac
: define a shorthand compile call
compile='
mc_file=$1;
shift;
$cc -o ${mc_file} $optimize $ccflags $ldflags $* ${mc_file}.c $libs > /dev/null
2>&1;'
: define a shorthand compile call for compilations that should be ok.
compile_ok='
mc_file=$1;
shift;
$cc -o ${mc_file} $optimize $ccflags $ldflags $* ${mc_file}.c $libs;'
: see if signals are kept
val="$undef";
echo " "
echo "Checking to see if signal handlers stick around..."
$cat >try.c <<'EOCP'
foo() {}
int main()
{
signal(2, foo);
kill(getpid(), 2);
kill(getpid(), 2);
printf("abc\n");
}
EOCP
set try
if eval $compile; then
echo `sh -c $run ./try >try.out 2>/dev/null` >/dev/null
echo "test"
if $contains abc try.out >/dev/null 2>&1; then
echo "Yes, they do."
val="$define";
else
echo "No, they don't."
fi
else
$echo $n "(I can't seem to compile the test program. Assuming $c"
if ./bsd; then
echo "they do.)"
val="$define"
else
echo "they don't.)"
fi
fi
set d_keepsig
eval $setvar
$rm -f try*
--end here
The result is:
$ ./signal.sh
Checking to see if signal handlers stick around...
$
Also there is an another script cut from signal.sh:
--from here (signal_result.sh)
#!/bin/sh
: Some greps do not return status, grrr.
echo "grimblepritz" >grimble
if grep blurfldyick grimble >/dev/null 2>&1 ; then
contains=contains
elif grep grimblepritz grimble >/dev/null 2>&1 ; then
contains=grep
else
contains=contains
fi
rm -f grimble
: the following should work in any shell
case "$contains" in
contains*)
echo " "
echo "AGH! Grep doesn't return a status. Attempting remedial action."
cat >contains <<'EOSS'
grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp
EOSS
chmod +x contains
esac
if $contains abc try.out >/dev/null 2>&1; then
echo "Yes, they do."
val="$define";
else
echo "No, they don't."
fi
--end here
After running signal.sh, I ran the above in the same directory:
$ ./signal_result.sh
No, they don't.
$
I confirmed it doesn't depend LANGUAGE (C, EUC-JP), shell (sh, ksh, bash).
Is there better idea?
Thanks in advance.
--
Daichi
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