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