dmake: do not set MAKEFLAGS=k
[unleashed/tickless.git] / usr / src / lib / libshell / common / features / options
blobc3f48b64d4685f0ad572f1e455d10d4a7884c254
1 # SHOPT_* option probe
3 tst     cross{
4         : check for shell magic #!
5         cat > /tmp/file$$ <<!
6         #! /bin/echo
7         exit 1
8         !
9         chmod 755 /tmp/file$$
10         if      /tmp/file$$ > /dev/null
11         then    echo "#define SHELLMAGIC        1"
12         fi
13         rm -f /tmp/file$$
14         
15         option() # name value
16         {
17                 case $2 in
18                 0)      echo "#ifndef SHOPT_$1"
19                         echo "#   define SHOPT_$1       1"
20                         echo "#endif"
21                         ;;
22                 *)      echo "#undef  SHOPT_$1"
23                         ;;
24                 esac
25         }
26         
27         ls /dev/fd/9 9<&0 >/dev/null 2>&1
28         option DEVFD $?
29         exec 9<&-
30         case  `echo a | tr a '\012' | wc -l` in
31         *1*)    option MULTIBYTE 0 ;;
32         esac
33         test -x /bin/pfexec -o -x /usr/bin/pfexec
34         option PFSH $?
35         /bin/test ! -l . 2> /dev/null
36         option TEST_L $?
37         test -f /etc/ksh.kshrc -o -f /etc/bash.bashrc &&
38         option SYSRC 0
39         test -f /bin/universe && univ=`/bin/universe` > /dev/null 2>&1 -a ucb = "$univ"
40         option UCB $?
41 }end
43 cat{
44         #if !_PACKAGE_ast && ( (MB_LEN_MAX-1)<=0 || !defined(_lib_mbtowc) )
45         #   undef SHOPT_MULTIBYTE
46         #endif
47 }end