| 1 | # hints/os390.sh |
| 2 | # |
| 3 | # OS/390 hints by David J. Fiander <davidf@mks.com> |
| 4 | # |
| 5 | # OS/390 OpenEdition Release 3 Mon Sep 22 1997 thanks to: |
| 6 | # |
| 7 | # John Goodyear <johngood@us.ibm.com> |
| 8 | # John Pfuntner <pfuntner@vnet.ibm.com> |
| 9 | # Len Johnson <lenjay@ibm.net> |
| 10 | # Bud Huff <BAHUFF@us.oracle.com> |
| 11 | # Peter Prymmer <pvhp@forte.com> |
| 12 | # Andy Dougherty <doughera@lafayette.edu> |
| 13 | # Tim Bunce <Tim.Bunce@ig.co.uk> |
| 14 | # |
| 15 | # as well as the authors of the aix.sh file |
| 16 | # |
| 17 | |
| 18 | # To get ANSI C, we need to use c89, and ld doesn't exist |
| 19 | # You can override this with Configure -Dcc=gcc -Dld=ld. |
| 20 | case "$cc" in |
| 21 | '') cc='c89' ;; |
| 22 | esac |
| 23 | case "$ld" in |
| 24 | '') ld='c89' ;; |
| 25 | esac |
| 26 | |
| 27 | # -DMAXSIG=39 maximum signal number |
| 28 | # -DOEMVS is used in place of #ifdef __MVS__ in certain places. |
| 29 | # -D_OE_SOCKETS alters system headers. |
| 30 | # -D_XOPEN_SOURCE_EXTENDEDA alters system headers. |
| 31 | # c89 hides most of the useful header stuff, _ALL_SOURCE turns it on again. |
| 32 | # YYDYNAMIC ensures that the OS/390 yacc generated parser is reentrant. |
| 33 | # -DEBCDIC should come from Configure and need not be mentioned here. |
| 34 | # Prepend your favorites with Configure -Dccflags=your_favorites |
| 35 | case "$ccflags" in |
| 36 | '') ccflags='-2 -Wc,XPLINK -DMAXSIG=39 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC' ;; |
| 37 | *) ccflags="$ccflags -2 -Wc,XPLINK -DMAXSIG=39 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC" ;; |
| 38 | esac |
| 39 | |
| 40 | # Turning on optimization breaks perl. |
| 41 | # You can override this with Configure -Doptimize='-O' or somesuch. |
| 42 | case "$optimize" in |
| 43 | '') optimize='none' ;; |
| 44 | esac |
| 45 | |
| 46 | # To link via definition side decks we need the dll option |
| 47 | # You can override this with Configure -Ucccdlflags or somesuch. |
| 48 | case "$cccdlflags" in |
| 49 | '') cccdlflags='-W 0,dll' ;; |
| 50 | esac |
| 51 | |
| 52 | case "$so" in |
| 53 | '') so='a' ;; |
| 54 | esac |
| 55 | |
| 56 | case "$alignbytes" in |
| 57 | '') alignbytes=8 ;; |
| 58 | esac |
| 59 | |
| 60 | case "$usemymalloc" in |
| 61 | '') usemymalloc='n' ;; |
| 62 | esac |
| 63 | |
| 64 | # On OS/390, libc.a doesn't really hold anything at all, |
| 65 | # so running nm on it is pretty useless. |
| 66 | # You can override this with Configure -Dusenm. |
| 67 | case "$usenm" in |
| 68 | '') usenm='false' ;; |
| 69 | esac |
| 70 | |
| 71 | # Setting ldflags='-Wl,EDIT=NO' will get rid of the symbol |
| 72 | # information at the end of the executable (=> smaller binaries). |
| 73 | # Override this option with -Dldflags='whatever else you wanted'. |
| 74 | case "$ldflags" in |
| 75 | '') ldflags='-Wl,EDIT=NO -Wl,XPLINK,dll' ;; |
| 76 | esac |
| 77 | |
| 78 | # In order to build with dynamic be sure to specify: |
| 79 | # Configure -Dusedl |
| 80 | # Do not forget to add $archlibexp/CORE to your LIBPATH. |
| 81 | # You might want to override some of this with things like: |
| 82 | # Configure -Dusedl -Ddlext=so -Ddlsrc=dl_dllload.xs. |
| 83 | case "$usedl" in |
| 84 | '') |
| 85 | usedl='n' |
| 86 | case "$dlext" in |
| 87 | '') dlext='none' ;; |
| 88 | esac |
| 89 | ;; |
| 90 | define) |
| 91 | case "$useshrplib" in |
| 92 | '') useshrplib='true' ;; |
| 93 | esac |
| 94 | case "$dlsrc" in |
| 95 | '') dlsrc='dl_dllload.xs' ;; |
| 96 | esac |
| 97 | # For performance use 'so' at or beyond v2.8, 'dll' for 2.7 and prior versions |
| 98 | case "`uname -v`x`uname -r`" in |
| 99 | 02x0[89].*|02x1[0-9].*|[0-9][3-9]x*) |
| 100 | so='so' |
| 101 | case "$dlext" in |
| 102 | '') dlext='so' ;; |
| 103 | esac |
| 104 | ;; |
| 105 | *) |
| 106 | so='dll' |
| 107 | case "$dlext" in |
| 108 | '') dlext='dll' ;; |
| 109 | esac |
| 110 | ;; |
| 111 | esac |
| 112 | libperl="libperl.$so" |
| 113 | ccflags="$ccflags -D_SHR_ENVIRON -DPERL_EXTERNAL_GLOB -Wc,dll" |
| 114 | cccdlflags='-c -Wc,XPLINK,dll,EXPORTALL' |
| 115 | # The following will need to be modified for the installed libperl.x. |
| 116 | # The modification to Config.pm is done by the installperl script after the build and test. |
| 117 | ccdlflags="-W l,XPLINK,dll `pwd`/libperl.x" |
| 118 | lddlflags="-W l,XPLINK,dll `pwd`/libperl.x" |
| 119 | ;; |
| 120 | esac |
| 121 | # even on static builds using LIBPATH should be OK. |
| 122 | case "$ldlibpthname" in |
| 123 | '') ldlibpthname=LIBPATH ;; |
| 124 | esac |
| 125 | |
| 126 | # The following should always be used |
| 127 | d_oldpthreads='define' |
| 128 | |
| 129 | # Header files to include. |
| 130 | # You can override these with Configure -Ui_time -Ui_systime -Dd_pthread_atfork. |
| 131 | case "$i_time" in |
| 132 | '') i_time='define' ;; |
| 133 | esac |
| 134 | case "$i_systime" in |
| 135 | '') i_systime='define' ;; |
| 136 | esac |
| 137 | case "$d_pthread_atfork" in |
| 138 | '') d_pthread_atfork='undef' ;; |
| 139 | esac |
| 140 | case "$d_pthread_atfork" in |
| 141 | '') d_pthread_atfork='undef' ;; |
| 142 | esac |
| 143 | |
| 144 | # (from aix.sh) |
| 145 | # uname -m output is too specific and not appropriate here |
| 146 | # osname should come from Configure |
| 147 | # You can override this with Configure -Darchname='s390' but please don't. |
| 148 | case "$archname" in |
| 149 | '') archname="$osname" ;; |
| 150 | esac |
| 151 | |
| 152 | # We have our own cppstdin script. This is not a variable since |
| 153 | # Configure sees the presence of the script file. |
| 154 | # We put system header -D definitions in so that Configure |
| 155 | # can find the shmat() prototype in <sys/shm.h> and various |
| 156 | # other things. Unfortunately, cppflags occurs too late to be of |
| 157 | # value external to the script. This may need to be revisited |
| 158 | # under a compiler other than c89. |
| 159 | case "$usedl" in |
| 160 | define) |
| 161 | echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -D_SHR_ENVIRON -E -Wc,"LANGLVL(DOLLARINNAMES)",NOLOC ${1+"$@"} .$$.c | grep -v "??="; rm .$$.c' > cppstdin |
| 162 | ;; |
| 163 | *) |
| 164 | echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -E -Wc,"LANGLVL(DOLLARINNAMES)",NOLOC ${1+"$@"} .$$.c | grep -v "??="; rm .$$.c' > cppstdin |
| 165 | ;; |
| 166 | esac |
| 167 | |
| 168 | # |
| 169 | # Note that Makefile.SH employs a bare yacc command to generate |
| 170 | # perly.[hc] and a2p.[hc], hence you may wish to: |
| 171 | # |
| 172 | # alias yacc='myyacc' |
| 173 | # |
| 174 | # Then if you would like to use myyacc and skip past the |
| 175 | # following warnings try invoking Configure like so: |
| 176 | # |
| 177 | # sh Configure -Dbyacc=yacc |
| 178 | # |
| 179 | # This trick ought to work even if your yacc is byacc. |
| 180 | # |
| 181 | if test "X$byacc" = "Xbyacc" ; then |
| 182 | if test -e /etc/yyparse.c ; then |
| 183 | : we should be OK - perhaps do a test -r? |
| 184 | else |
| 185 | cat <<EOWARN >&4 |
| 186 | |
| 187 | Warning. You do not have a copy of yyparse.c, the default |
| 188 | yacc parser template file, in place in /etc. |
| 189 | EOWARN |
| 190 | if test -e /samples/yyparse.c ; then |
| 191 | cat <<EOWARN >&4 |
| 192 | |
| 193 | There does appear to be a template file in /samples though. |
| 194 | Please run: |
| 195 | |
| 196 | cp /samples/yyparse.c /etc |
| 197 | |
| 198 | before attempting to Configure the build of $package. |
| 199 | |
| 200 | EOWARN |
| 201 | else |
| 202 | cat <<EOWARN >&4 |
| 203 | |
| 204 | There does not appear to be one in /samples either. |
| 205 | If you feel you can make use of an alternate yacc-like |
| 206 | parser generator then please read the comments in the |
| 207 | hints/os390.sh file carefully. |
| 208 | |
| 209 | EOWARN |
| 210 | fi |
| 211 | exit 1 |
| 212 | fi |
| 213 | fi |
| 214 | |
| 215 | # Most of the time gcvt() seems to work fine but |
| 216 | # sometimes values like 0.1, 0.2, come out as "10", "20", |
| 217 | # a trivial Perl demonstration snippet is 'print 0.1'. |
| 218 | # The -W 0,float(ieee) seems to be the switch breaking gcvt(). |
| 219 | # sprintf() seems to get things right(er). |
| 220 | gconvert_preference=sprintf |
| 221 | |
| 222 | cat >config.arch<<'__CONFIG_ARCH__' |
| 223 | # The '-W 0,float(ieee)' cannot be used during Configure as ldflags. |
| 224 | |
| 225 | ccflags="$ccflags -W 0,float(ieee)" |
| 226 | |
| 227 | __CONFIG_ARCH__ |
| 228 | |
| 229 | # Configure gets these wrong for some reason. |
| 230 | d_gethostbyaddr_r='undef' |
| 231 | d_gethostbyname_r='undef' |
| 232 | d_gethostent_r='undef' |
| 233 | |