1# hints/sunos_4_1.sh 2# Last modified: Wed May 27 11:00:02 EDT 1998 3# Andy Dougherty <doughera@lafayette.edu> 4 5case "$cc" in 6*gcc*) usevfork=false 7 # GNU as and GNU ld might not work. See the INSTALL file. 8 ;; 9*) usevfork=true ;; 10esac 11 12# Configure finds getzname, not tzname. If you're in the System V 13# environment, you can set d_tzname='define' since tzname[] is 14# available in the System V environment. 15d_tzname='undef' 16 17# unistd.h contains incorrect prototypes for some functions in the usual 18# BSD-ish environment. In particular, it has 19# extern int getgroups(/* int gidsetsize, gid_t grouplist[] */); 20# but groupslist[] ought to be of type int, not gid_t. 21# This is only really a problem for perl if the 22# user is using gcc, and not running in the SysV environment. 23# The gcc fix-includes script exposes those incorrect prototypes. 24# There may be other examples as well. Volunteers are welcome to 25# track them all down :-). In the meantime, we'll just skip unistd.h 26# for SunOS in most of the code. 27# However, see ext/POSIX/hints/sunos_4.pl for one exception. 28i_unistd='undef' 29# See util.c for another: We need _SC_OPEN_MAX, which is in 30# <unistd.h>. 31 32# fflush(NULL) will core dump on SunOS 4.1.3. In util.c we'll 33# try explicitly fflushing all open files. Unfortunately, 34# on my SunOS 4.1.3 system, sysconf(_SC_OPEN_MAX) returns 35# 64, but only 32 of those file pointers can be accessed 36# directly by _iob[i]. The remainder are off in dynamically 37# allocated memory somewhere and I don't know to automatically 38# fflush() them. -- Andy Dougherty Wed May 26 15:25:22 EDT 1999 39util_cflags='ccflags="$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 58if cat -b /dev/null 2>/dev/null 59then # bsd 60 groupstype='int' 61else # sys5 62 case "$cc" in 63 *gcc*) groupstype='int';; # gcc doesn't do anything special 64 *) groupstype='gid_t';; # /usr/5bin/cc pulls in /usr/5lib/ stuff. 65 esac 66fi 67 68# If you get the message "unresolved symbol '__lib_version' " while 69# linking, your system probably has the optional 'acc' compiler (and 70# libraries) installed, but you are using the bundled 'cc' compiler with 71# the unbundled libraries. The solution is either to use 'acc' and the 72# unbundled libraries (specifically /lib/libm.a), or 'cc' and the bundled 73# library. 74# 75# Thanks to William Setzer <William_Setzer@ncsu.edu> for this info. 76 77# Don't use the GNU ld, that doesn't work, you'll get a lot of 78# relocation truncated to fit: BASE13 ... 79# from many extensions, like B and Data::Dumper. 80ld=/usr/bin/ld 81 82# As of Perl 5.8.1 it seems that dynaloading is broken in SunOS 4.x, sniff. 83case "$usedl" in 84'') usedl=undef ;; 85esac 86 87