1# isc.sh 2# Interactive Unix Versions 3 and 4. 3# Compile perl entirely in posix mode. 4# Andy Dougherty doughera@lafayette.edu 5# Wed Oct 5 15:57:37 EDT 1994 6# 7# Use Configure -Dcc=gcc to use gcc 8# 9 10# We don't want to explicitly mention -lc (since we're using POSIX mode.) 11# We also don't want -lx (the Xenix compatability libraries.) The only 12# thing that it seems to pick up is chsize(), which has been reported to 13# not work. chsize() can also be implemented via fcntl() in perl (if you 14# define -D_SYSV3). We'll leave in -lPW since it's harmless. Some 15# extension might eventually need it for alloca, though perl doesn't use 16# it. 17 18set `echo X "$libswanted "| sed -e 's/ c / /' -e 's/ x / /'` 19shift 20libswanted="$*" 21 22case "$cc" in 23*gcc*) ccflags="$ccflags -posix" 24 ldflags="$ldflags -posix" 25 ;; 26*) ccflags="$ccflags -Xp -D_POSIX_SOURCE" 27 ldflags="$ldflags -Xp" 28 ;; 29esac 30 31# getsockname() and getpeername() return 256 for no good reason 32ccflags="$ccflags -DBOGUS_GETNAME_RETURN=256" 33 34# rename(2) can't rename long filenames 35d_rename=undef 36 37# for ext/IPC/SysV/SysV.xs 38ccflags="$ccflags -DPERL_ISC" 39 40# You can also include -D_SYSV3 to pick up "traditionally visible" 41# symbols hidden by name-space pollution rules. This raises some 42# compilation "redefinition" warnings, but they appear harmless. 43# ccflags="$ccflags -D_SYSV3" 44 45