| 1 | # hints/os390.sh
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| 2 | #
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| 3 | # OS/390 hints by David J. Fiander <[email protected]>
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| 4 | #
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| 5 | # OS/390 OpenEdition Release 3 Mon Sep 22 1997 thanks to:
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| 6 | #
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| 7 | # John Goodyear <[email protected]>
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| 8 | # John Pfuntner <[email protected]>
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| 9 | # Len Johnson <[email protected]>
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| 10 | # Bud Huff <[email protected]>
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| 11 | # Peter Prymmer <[email protected]>
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| 12 | # Andy Dougherty <[email protected]>
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| 13 | # Tim Bunce <[email protected]>
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| 14 | #
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| 15 | # as well as the authors of the aix.sh file
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| 16 | #
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| 17 |
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| 18 | # To get ANSI C, we need to use c89, and ld doesn't exist
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| 19 | # You can override this with Configure -Dcc=gcc -Dld=ld.
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| 20 | case "$cc" in
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| 21 | '') cc='c89' ;;
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| 22 | esac
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| 23 | case "$ld" in
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| 24 | '') ld='c89' ;;
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| 25 | esac
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| 26 |
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| 27 | # -DMAXSIG=38 maximum signal number
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| 28 | # -DOEMVS is used in place of #ifdef __MVS__ in certain places.
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| 29 | # -D_OE_SOCKETS alters system headers.
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| 30 | # -D_XOPEN_SOURCE_EXTENDEDA alters system headers.
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| 31 | # c89 hides most of the useful header stuff, _ALL_SOURCE turns it on again.
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| 32 | # YYDYNAMIC ensures that the OS/390 yacc generated parser is reentrant.
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| 33 | # -DEBCDIC should come from Configure and need not be mentioned here.
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| 34 | # Prepend your favorites with Configure -Dccflags=your_favorites
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| 35 | case "$ccflags" in
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| 36 | '') ccflags='-DMAXSIG=38 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC' ;;
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| 37 | *) ccflags="$ccflags -DMAXSIG=38 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC" ;;
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| 38 | esac
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| 39 |
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| 40 | # Turning on optimization breaks perl.
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| 41 | # You can override this with Configure -Doptimize='-O' or somesuch.
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| 42 | case "$optimize" in
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| 43 | '') optimize='none' ;;
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| 44 | esac
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| 45 |
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| 46 | # To link via definition side decks we need the dll option
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| 47 | # You can override this with Configure -Ucccdlflags or somesuch.
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| 48 | case "$cccdlflags" in
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| 49 | '') cccdlflags='-W 0,dll' ;;
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| 50 | esac
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| 51 |
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| 52 | case "$so" in
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| 53 | '') so='a' ;;
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| 54 | esac
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| 55 |
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| 56 | case "$alignbytes" in
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| 57 | '') alignbytes=8 ;;
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| 58 | esac
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| 59 |
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| 60 | case "$usemymalloc" in
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| 61 | '') usemymalloc='n' ;;
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| 62 | esac
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| 63 |
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| 64 | # On OS/390, libc.a doesn't really hold anything at all,
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| 65 | # so running nm on it is pretty useless.
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| 66 | # You can override this with Configure -Dusenm.
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| 67 | case "$usenm" in
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| 68 | '') usenm='false' ;;
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| 69 | esac
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| 70 |
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| 71 | # Setting ldflags='-Wl,EDIT=NO' will get rid of the symbol
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| 72 | # information at the end of the executable (=> smaller binaries).
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| 73 | # Override this option with -Dldflags='whatever else you wanted'.
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| 74 | case "$ldflags" in
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| 75 | '') ldflags='-Wl,EDIT=NO' ;;
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| 76 | esac
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| 77 |
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| 78 | # In order to build with dynamic be sure to specify:
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| 79 | # Configure -Dusedl
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| 80 | # Do not forget to add $archlibexp/CORE to your LIBPATH.
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| 81 | # You might want to override some of this with things like:
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| 82 | # Configure -Dusedl -Ddlext=so -Ddlsrc=dl_dllload.xs.
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| 83 | case "$usedl" in
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| 84 | '')
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| 85 | usedl='n'
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| 86 | case "$dlext" in
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| 87 | '') dlext='none' ;;
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| 88 | esac
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| 89 | ;;
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| 90 | define)
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| 91 | case "$useshrplib" in
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| 92 | '') useshrplib='true' ;;
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| 93 | esac
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| 94 | case "$dlsrc" in
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| 95 | '') dlsrc='dl_dllload.xs' ;;
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| 96 | esac
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| 97 | # For performance use 'so' at or beyond v2.8, 'dll' for 2.7 and prior versions
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| 98 | case "`uname -v`x`uname -r`" in
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| 99 | 02x0[89].*|02x1[0-9].*|[0-9][3-9]x*)
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| 100 | so='so'
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| 101 | case "$dlext" in
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| 102 | '') dlext='so' ;;
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| 103 | esac
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| 104 | ;;
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| 105 | *)
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| 106 | so='dll'
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| 107 | case "$dlext" in
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| 108 | '') dlext='dll' ;;
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| 109 | esac
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| 110 | ;;
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| 111 | esac
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| 112 | libperl="libperl.$so"
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| 113 | ccflags="$ccflags -D_SHR_ENVIRON -DPERL_EXTERNAL_GLOB -Wc,dll"
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| 114 | cccdlflags='-c -Wc,dll,EXPORTALL'
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| 115 | # The following will need to be modified for the installed libperl.x.
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| 116 | # The modification to Config.pm is done by the installperl script after the build and test.
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| 117 | ccdlflags="-W l,dll `pwd`/libperl.x"
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| 118 | lddlflags="-W l,dll `pwd`/libperl.x"
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| 119 | ;;
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| 120 | esac
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| 121 | # even on static builds using LIBPATH should be OK.
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| 122 | case "$ldlibpthname" in
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| 123 | '') ldlibpthname=LIBPATH ;;
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| 124 | esac
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| 125 |
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| 126 | # The folowing should always be used
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| 127 | d_oldpthreads='define'
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| 128 |
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| 129 | # Header files to include.
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| 130 | # You can override these with Configure -Ui_time -Ui_systime -Dd_pthread_atfork.
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| 131 | case "$i_time" in
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| 132 | '') i_time='define' ;;
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| 133 | esac
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| 134 | case "$i_systime" in
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| 135 | '') i_systime='define' ;;
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| 136 | esac
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| 137 | case "$d_pthread_atfork" in
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| 138 | '') d_pthread_atfork='undef' ;;
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| 139 | esac
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| 140 | case "$d_pthread_atfork" in
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| 141 | '') d_pthread_atfork='undef' ;;
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| 142 | esac
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| 143 |
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| 144 | # (from aix.sh)
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| 145 | # uname -m output is too specific and not appropriate here
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| 146 | # osname should come from Configure
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| 147 | # You can override this with Configure -Darchname='s390' but please don't.
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| 148 | case "$archname" in
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| 149 | '') archname="$osname" ;;
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| 150 | esac
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| 151 |
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| 152 | # We have our own cppstdin script. This is not a variable since
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| 153 | # Configure sees the presence of the script file.
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| 154 | # We put system header -D definitions in so that Configure
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| 155 | # can find the shmat() prototype in <sys/shm.h> and various
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| 156 | # other things. Unfortunately, cppflags occurs too late to be of
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| 157 | # value external to the script. This may need to be revisited
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| 158 | # under a compiler other than c89.
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| 159 | case "$usedl" in
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| 160 | define)
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| 161 | echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -D_SHR_ENVIRON -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
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| 162 | ;;
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| 163 | *)
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| 164 | echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
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| 165 | ;;
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| 166 | esac
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| 167 |
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| 168 | #
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| 169 | # Note that Makefile.SH employs a bare yacc command to generate
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| 170 | # perly.[hc] and a2p.[hc], hence you may wish to:
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| 171 | #
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| 172 | # alias yacc='myyacc'
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| 173 | #
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| 174 | # Then if you would like to use myyacc and skip past the
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| 175 | # following warnings try invoking Configure like so:
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| 176 | #
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| 177 | # sh Configure -Dbyacc=yacc
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| 178 | #
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| 179 | # This trick ought to work even if your yacc is byacc.
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| 180 | #
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| 181 | if test "X$byacc" = "Xbyacc" ; then
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| 182 | if test -e /etc/yyparse.c ; then
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| 183 | : we should be OK - perhaps do a test -r?
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| 184 | else
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| 185 | cat <<EOWARN >&4
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| 186 |
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| 187 | Warning. You do not have a copy of yyparse.c, the default
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| 188 | yacc parser template file, in place in /etc.
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| 189 | EOWARN
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| 190 | if test -e /samples/yyparse.c ; then
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| 191 | cat <<EOWARN >&4
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| 192 |
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| 193 | There does appear to be a template file in /samples though.
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| 194 | Please run:
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| 195 |
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| 196 | cp /samples/yyparse.c /etc
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| 197 |
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| 198 | before attempting to Configure the build of $package.
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| 199 |
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| 200 | EOWARN
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| 201 | else
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| 202 | cat <<EOWARN >&4
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| 203 |
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| 204 | There does not appear to be one in /samples either.
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| 205 | If you feel you can make use of an alternate yacc-like
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| 206 | parser generator then please read the comments in the
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| 207 | hints/os390.sh file carefully.
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| 208 |
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| 209 | EOWARN
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| 210 | fi
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| 211 | exit 1
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| 212 | fi
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| 213 | fi
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| 214 |
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| 215 | # Most of the time gcvt() seems to work fine but
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| 216 | # sometimes values like 0.1, 0.2, come out as "10", "20",
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| 217 | # a trivial Perl demonstration snippet is 'print 0.1'.
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| 218 | # The -W 0,float(ieee) seems to be the switch breaking gcvt().
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| 219 | # sprintf() seems to get things right(er).
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| 220 | gconvert_preference=sprintf
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| 221 |
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| 222 | cat >config.arch<<'__CONFIG_ARCH__'
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| 223 | # The '-W 0,float(ieee)' cannot be used during Configure as ldflags.
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| 224 |
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| 225 | ccflags="$ccflags -W 0,float(ieee)"
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| 226 |
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| 227 | __CONFIG_ARCH__
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