| 1 | # hints/sunos_4_1.sh |
| 2 | # Last modified: Wed May 27 11:00:02 EDT 1998 |
| 3 | # Andy Dougherty <doughera@lafayette.edu> |
| 4 | |
| 5 | case "$cc" in |
| 6 | *gcc*) usevfork=false |
| 7 | # GNU as and GNU ld might not work. See the INSTALL file. |
| 8 | ;; |
| 9 | *) usevfork=true ;; |
| 10 | esac |
| 11 | |
| 12 | # Configure finds getzname, not tzname. If you're in the System V |
| 13 | # environment, you can set d_tzname='define' since tzname[] is |
| 14 | # available in the System V environment. |
| 15 | d_tzname='undef' |
| 16 | |
| 17 | # unistd.h contains incorrect prototypes for some functions in the usual |
| 18 | # BSD-ish environment. In particular, it has |
| 19 | # extern int getgroups(/* int gidsetsize, gid_t grouplist[] */); |
| 20 | # but groupslist[] ought to be of type int, not gid_t. |
| 21 | # This is only really a problem for perl if the |
| 22 | # user is using gcc, and not running in the SysV environment. |
| 23 | # The gcc fix-includes script exposes those incorrect prototypes. |
| 24 | # There may be other examples as well. Volunteers are welcome to |
| 25 | # track them all down :-). In the meantime, we'll just skip unistd.h |
| 26 | # for SunOS in most of the code. |
| 27 | # However, see ext/POSIX/hints/sunos_4.pl for one exception. |
| 28 | i_unistd='undef' |
| 29 | # See util.c for another: We need _SC_OPEN_MAX, which is in |
| 30 | # <unistd.h>. |
| 31 | |
| 32 | # fflush(NULL) will core dump on SunOS 4.1.3. In util.c we'll |
| 33 | # try explicitly fflushing all open files. Unfortunately, |
| 34 | # on my SunOS 4.1.3 system, sysconf(_SC_OPEN_MAX) returns |
| 35 | # 64, but only 32 of those file pointers can be accessed |
| 36 | # directly by _iob[i]. The remainder are off in dynamically |
| 37 | # allocated memory somewhere and I don't know to automatically |
| 38 | # fflush() them. -- Andy Dougherty Wed May 26 15:25:22 EDT 1999 |
| 39 | util_cflags='ccflags="$ccflags -DPERL_FFLUSH_ALL_FOPEN_MAX=32"' |
| 40 | |
| 41 | # The correct setting of groupstype depends on which version of the C |
| 42 | # library is used. If you are in the 'System V environment' |
| 43 | # (i.e. you have /usr/5bin ahead of /usr/bin in your PATH), and |
| 44 | # you use Sun's cc compiler, then you'll pick up /usr/5bin/cc, which |
| 45 | # links against the C library in /usr/5lib. This library has |
| 46 | # groupstype='gid_t'. |
| 47 | # If you are in the normal BSDish environment, then you'll pick up |
| 48 | # /usr/ucb/cc, which links against the C library in /usr/lib. That |
| 49 | # library has groupstype='int'. |
| 50 | # |
| 51 | # If you are using gcc, it links against the C library in /usr/lib |
| 52 | # independent of whether or not you are in the 'System V environment'. |
| 53 | # If you want to use the System V libraries, then you need to |
| 54 | # manually set groupstype='gid_t' and add explicit references to |
| 55 | # /usr/5lib when Configure prompts you for where to look for libraries. |
| 56 | # |
| 57 | # Check if user is in a bsd or system 5 type environment |
| 58 | if cat -b /dev/null 2>/dev/null |
| 59 | then # bsd |
| 60 | groupstype='int' |
| 61 | else # sys5 |
| 62 | case "$cc" in |
| 63 | *gcc*) groupstype='int';; # gcc doesn't do anything special |
| 64 | *) groupstype='gid_t';; # /usr/5bin/cc pulls in /usr/5lib/ stuff. |
| 65 | esac |
| 66 | fi |
| 67 | |
| 68 | # If you get the message "unresolved symbol '__lib_version' " while |
| 69 | # linking, your system probably has the optional 'acc' compiler (and |
| 70 | # libraries) installed, but you are using the bundled 'cc' compiler with |
| 71 | # the unbundled libraries. The solution is either to use 'acc' and the |
| 72 | # unbundled libraries (specifically /lib/libm.a), or 'cc' and the bundled |
| 73 | # library. |
| 74 | # |
| 75 | # Thanks to William Setzer <William_Setzer@ncsu.edu> for this info. |
| 76 | |
| 77 | # Don't use the GNU ld, that doesn't work, you'll get a lot of |
| 78 | # relocation truncated to fit: BASE13 ... |
| 79 | # from many extensions, like B and Data::Dumper. |
| 80 | ld=/usr/bin/ld |
| 81 | |
| 82 | # As of Perl 5.8.1 it seems that dynaloading is broken in SunOS 4.x, sniff. |
| 83 | case "$usedl" in |
| 84 | '') usedl=undef ;; |
| 85 | esac |
| 86 | |