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1 | # hints/os390.sh |
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2 | # |
3 | # OS/390 hints by David J. Fiander <davidf@mks.com> |
4 | # |
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5 | # OS/390 OpenEdition Release 3 Mon Sep 22 1997 thanks to: |
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6 | # |
7 | # John Goodyear <johngood@us.ibm.com> |
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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@lafcol.lafayette.edu> |
13 | # Tim Bunce <Tim.Bunce@ig.co.uk> |
14 | # |
15 | # as well as the authors of the aix.sh file |
16 | # |
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. |
20 | case "$cc" in |
21 | '') cc='c89' ;; |
22 | esac |
23 | case "$ld" in |
24 | '') ld='c89' ;; |
25 | esac |
26 | |
27 | # -DMAXSIG=38 maximum signal number |
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28 | # -DPERL_IGNORE_FPUSIG=SIGFPE allows Perl to be cavalier with FP overflow |
29 | # (particularly in numeric.c:S_mulexp10()) |
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30 | # -DOEMVS is used in place of #ifdef __MVS__ in certain places. |
31 | # -D_OE_SOCKETS alters system headers. |
32 | # -D_XOPEN_SOURCE_EXTENDEDA alters system headers. |
33 | # c89 hides most of the useful header stuff, _ALL_SOURCE turns it on again. |
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34 | # YYDYNAMIC ensures that the OS/390 yacc generated parser is reentrant. |
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35 | # -DEBCDIC should come from Configure and need not be mentioned here. |
36 | # Prepend your favorites with Configure -Dccflags=your_favorites |
37 | case "$ccflags" in |
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38 | '') ccflags='-DMAXSIG=38 -DPERL_IGNORE_FPUSIG=SIGFPE -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC' ;; |
39 | *) ccflags="$ccflags -DMAXSIG=38 -DPERL_IGNORE_FPUSIG=SIGFPE -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC" ;; |
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40 | esac |
41 | |
42 | # Turning on optimization breaks perl. |
43 | # You can override this with Configure -Doptimize='-O' or somesuch. |
44 | case "$optimize" in |
45 | '') optimize='none' ;; |
46 | esac |
47 | |
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48 | # To link via definition side decks we need the dll option |
49 | # You can override this with Configure -Ucccdlflags or somesuch. |
50 | case "$cccdlflags" in |
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51 | '') cccdlflags='-W 0,dll' ;; |
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52 | esac |
53 | |
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54 | case "$so" in |
55 | '') so='a' ;; |
56 | esac |
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57 | |
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58 | case "$alignbytes" in |
59 | '') alignbytes=8 ;; |
60 | esac |
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61 | |
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62 | case "$usemymalloc" in |
63 | '') usemymalloc='n' ;; |
64 | esac |
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65 | |
66 | # On OS/390, libc.a doesn't really hold anything at all, |
67 | # so running nm on it is pretty useless. |
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68 | # You can override this with Configure -Dusenm. |
69 | case "$usenm" in |
70 | '') usenm='false' ;; |
71 | esac |
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72 | |
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73 | # Setting ldflags='-Wl,EDIT=NO' will get rid of the symbol |
74 | # information at the end of the executable (=> smaller binaries). |
75 | # Override this option with -Dldflags='whatever else you wanted'. |
76 | case "$ldflags" in |
77 | '') ldflags='-Wl,EDIT=NO' ;; |
78 | esac |
79 | |
80 | # In order to build with dynamic be sure to specify: |
81 | # Configure -Dusedl |
82 | # Do not forget to add $archlibexp/CORE to your LIBPATH. |
83 | # You might want to override some of this with things like: |
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84 | # Configure -Dusedl -Ddlext=so -Ddlsrc=dl_dllload.xs. |
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85 | case "$usedl" in |
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86 | '') |
87 | usedl='n' |
88 | case "$dlext" in |
89 | '') dlext='none' ;; |
90 | esac |
91 | ;; |
92 | define) |
93 | case "$useshrplib" in |
94 | '') useshrplib='true' ;; |
95 | esac |
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96 | case "$dlsrc" in |
97 | '') dlsrc='dl_dllload.xs' ;; |
98 | esac |
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99 | # For performance use 'so' at or beyond v2.8, 'dll' for 2.7 and prior versions |
100 | case "`uname -v`x`uname -r`" in |
101 | 02x0[89].*|02x1[0-9].*|[0-9][3-9]x*) |
102 | so='so' |
103 | case "$dlext" in |
104 | '') dlext='so' ;; |
105 | esac |
106 | ;; |
107 | *) |
108 | so='dll' |
109 | case "$dlext" in |
110 | '') dlext='dll' ;; |
111 | esac |
112 | ;; |
113 | esac |
114 | libperl="libperl.$so" |
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115 | ccflags="$ccflags -D_SHR_ENVIRON -DPERL_EXTERNAL_GLOB -Wc,dll" |
116 | cccdlflags='-c -Wc,dll,EXPORTALL' |
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117 | # The following will need to be modified for the installed libperl.x. |
118 | # The modification to Config.pm is done by the installperl script after the build and test. |
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119 | ccdlflags="-W l,dll `pwd`/libperl.x" |
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120 | lddlflags="-W l,dll `pwd`/libperl.x" |
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121 | ;; |
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122 | esac |
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123 | # even on static builds using LIBPATH should be OK. |
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124 | case "$ldlibpthname" in |
125 | '') ldlibpthname=LIBPATH ;; |
126 | esac |
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127 | |
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128 | # Header files to include. |
129 | # You can override these with Configure -Ui_time -Ui_systime. |
130 | case "$i_time" in |
131 | '') i_time='define' ;; |
132 | esac |
133 | case "$i_systime" in |
134 | '') i_systime='define' ;; |
135 | esac |
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136 | |
137 | # (from aix.sh) |
138 | # uname -m output is too specific and not appropriate here |
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139 | # osname should come from Configure |
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140 | # You can override this with Configure -Darchname='s390' but please don't. |
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141 | case "$archname" in |
142 | '') archname="$osname" ;; |
143 | esac |
144 | |
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145 | # We have our own cppstdin script. This is not a variable since |
146 | # Configure sees the presence of the script file. |
147 | # We put system header -D definitions in so that Configure |
148 | # can find the shmat() prototype in <sys/shm.h> and various |
149 | # other things. Unfortunately, cppflags occurs too late to be of |
150 | # value external to the script. This may need to be revisited |
151 | # under a compiler other than c89. |
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152 | case "$usedl" in |
153 | define) |
154 | echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -D_SHR_ENVIRON -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.c' > cppstdin |
155 | ;; |
156 | *) |
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157 | echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.c' > cppstdin |
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158 | ;; |
159 | esac |
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160 | |
161 | # |
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162 | # Note that Makefile.SH employs a bare yacc command to generate |
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163 | # perly.[hc] and a2p.[hc], hence you may wish to: |
164 | # |
165 | # alias yacc='myyacc' |
166 | # |
167 | # Then if you would like to use myyacc and skip past the |
168 | # following warnings try invoking Configure like so: |
169 | # |
170 | # sh Configure -Dbyacc=yacc |
171 | # |
172 | # This trick ought to work even if your yacc is byacc. |
173 | # |
174 | if test "X$byacc" = "Xbyacc" ; then |
175 | if test -e /etc/yyparse.c ; then |
176 | : we should be OK - perhaps do a test -r? |
177 | else |
178 | cat <<EOWARN >&4 |
179 | |
180 | Warning. You do not have a copy of yyparse.c, the default |
181 | yacc parser template file, in place in /etc. |
182 | EOWARN |
183 | if test -e /samples/yyparse.c ; then |
184 | cat <<EOWARN >&4 |
185 | |
186 | There does appear to be a template file in /samples though. |
187 | Please run: |
188 | |
189 | cp /samples/yyparse.c /etc |
190 | |
191 | before attempting to Configure the build of $package. |
192 | |
193 | EOWARN |
194 | else |
195 | cat <<EOWARN >&4 |
196 | |
197 | There does not appear to be one in /samples either. |
198 | If you feel you can make use of an alternate yacc-like |
199 | parser generator then please read the comments in the |
200 | hints/os390.sh file carefully. |
201 | |
202 | EOWARN |
203 | fi |
204 | exit 1 |
205 | fi |
206 | fi |
207 | |