73 lines
2.9 KiB
Bash
73 lines
2.9 KiB
Bash
# hints/sunos_4_1.sh
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# Last modified: Wed May 27 11:00:02 EDT 1998
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# Andy Dougherty <doughera@lafcol.lafayette.edu>
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case "$cc" in
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*gcc*) usevfork=false
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# GNU as and GNU ld might not work. See the INSTALL file.
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;;
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*) usevfork=true ;;
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esac
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# Configure will issue a WHOA warning. The problem is that
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# Configure finds getzname, not tzname. If you're in the System V
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# environment, you can set d_tzname='define' since tzname[] is
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# available in the System V environment.
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d_tzname='undef'
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# Configure will issue a WHOA warning. The problem is that unistd.h
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# contains incorrect prototypes for some functions in the usual
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# BSD-ish environment. In particular, it has
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# extern int getgroups(/* int gidsetsize, gid_t grouplist[] */);
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# but groupslist[] ought to be of type int, not gid_t.
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# This is only really a problem for perl if the
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# user is using gcc, and not running in the SysV environment.
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# The gcc fix-includes script exposes those incorrect prototypes.
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# There may be other examples as well. Volunteers are welcome to
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# track them all down :-). In the meantime, we'll just skip unistd.h
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# for SunOS in most of the code. (However, see ext/POSIX/hints/sunos_4.pl.)
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i_unistd='undef'
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cat << 'EOM' >&4
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You will probably see *** WHOA THERE!!! *** messages from Configure for
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d_tzname and i_unistd. Keep the recommended values. See
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hints/sunos_4_1.sh for more information.
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EOM
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# The correct setting of groupstype depends on which version of the C
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# library is used. If you are in the 'System V environment'
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# (i.e. you have /usr/5bin ahead of /usr/bin in your PATH), and
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# you use Sun's cc compiler, then you'll pick up /usr/5bin/cc, which
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# links against the C library in /usr/5lib. This library has
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# groupstype='gid_t'.
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# If you are in the normal BSDish environment, then you'll pick up
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# /usr/ucb/cc, which links against the C library in /usr/lib. That
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# library has groupstype='int'.
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#
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# If you are using gcc, it links against the C library in /usr/lib
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# independent of whether or not you are in the 'System V environment'.
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# If you want to use the System V libraries, then you need to
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# manually set groupstype='gid_t' and add explicit references to
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# /usr/5lib when Configure prompts you for where to look for libraries.
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#
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# Check if user is in a bsd or system 5 type environment
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if cat -b /dev/null 2>/dev/null
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then # bsd
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groupstype='int'
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else # sys5
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case "$cc" in
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*gcc*) groupstype='int';; # gcc doesn't do anything special
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*) groupstype='gid_t';; # /usr/5bin/cc pulls in /usr/5lib/ stuff.
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esac
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fi
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# If you get the message "unresolved symbol '__lib_version' " while
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# linking, your system probably has the optional 'acc' compiler (and
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# libraries) installed, but you are using the bundled 'cc' compiler with
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# the unbundled libraries. The solution is either to use 'acc' and the
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# unbundled libraries (specifically /lib/libm.a), or 'cc' and the bundled
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# library.
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#
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# Thanks to William Setzer <William_Setzer@ncsu.edu> for this info.
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