Commit | Line | Data |
---|---|---|
86339dc9 | 1 | # hints/os390.sh |
9d116dd7 JH |
2 | # |
3 | # OS/390 hints by David J. Fiander <davidf@mks.com> | |
4 | # | |
86339dc9 | 5 | # OS/390 OpenEdition Release 3 Mon Sep 22 1997 thanks to: |
ac9901e0 PP |
6 | # |
7 | # John Goodyear <johngood@us.ibm.com> | |
86339dc9 TB |
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> | |
1973dd96 | 12 | # Andy Dougherty <doughera@lafayette.edu> |
86339dc9 TB |
13 | # Tim Bunce <Tim.Bunce@ig.co.uk> |
14 | # | |
15 | # as well as the authors of the aix.sh file | |
16 | # | |
17 | ||
9d116dd7 | 18 | # To get ANSI C, we need to use c89, and ld doesn't exist |
5f912e1c PP |
19 | # You can override this with Configure -Dcc=gcc -Dld=ld. |
20 | case "$cc" in | |
9bf21945 | 21 | '') cc='c99' ;; |
5f912e1c PP |
22 | esac |
23 | case "$ld" in | |
9bf21945 | 24 | '') ld='c99' ;; |
5f912e1c PP |
25 | esac |
26 | ||
4144573e | 27 | # -DMAXSIG=39 maximum signal number |
5f912e1c PP |
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. | |
9d116dd7 | 32 | # YYDYNAMIC ensures that the OS/390 yacc generated parser is reentrant. |
5f912e1c PP |
33 | # -DEBCDIC should come from Configure and need not be mentioned here. |
34 | # Prepend your favorites with Configure -Dccflags=your_favorites | |
92ad49c1 MB |
35 | def_os390_cflags='-qlanglvl=extended:extc89:extc99 -qlongname -qxplink -qdll -qfloat=ieee -qexportall -qhaltonmsg=3296:4108' |
36 | def_os390_cflags="$def_os390_cflags -Wc,XPLINK,dll,EXPORTALL -Wl,XPLINK,dll" | |
37 | def_os390_defs='-DMAXSIG=39 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC -D_POSIX_SOURCE=1' | |
5f912e1c | 38 | case "$ccflags" in |
92ad49c1 MB |
39 | '') ccflags="$def_os390_cflags $def_os390_defs" ;; |
40 | *) ccflags="$ccflags $def_os390_cflags $def_os390_defs" ;; | |
5f912e1c PP |
41 | esac |
42 | ||
43 | # Turning on optimization breaks perl. | |
44 | # You can override this with Configure -Doptimize='-O' or somesuch. | |
45 | case "$optimize" in | |
c1a0d734 | 46 | '') optimize=' ' ;; |
5f912e1c PP |
47 | esac |
48 | ||
5f912e1c PP |
49 | # To link via definition side decks we need the dll option |
50 | # You can override this with Configure -Ucccdlflags or somesuch. | |
51 | case "$cccdlflags" in | |
92ad49c1 | 52 | '') cccdlflags='-qxplink -qdll -qexportall -Wc,XPLINK,dll,EXPORTALL -Wl,XPLINK,dll' ;; |
5f912e1c PP |
53 | esac |
54 | ||
5f912e1c PP |
55 | case "$so" in |
56 | '') so='a' ;; | |
57 | esac | |
9d116dd7 | 58 | |
5f912e1c PP |
59 | case "$alignbytes" in |
60 | '') alignbytes=8 ;; | |
61 | esac | |
9d116dd7 | 62 | |
5f912e1c PP |
63 | case "$usemymalloc" in |
64 | '') usemymalloc='n' ;; | |
65 | esac | |
9d116dd7 JH |
66 | |
67 | # On OS/390, libc.a doesn't really hold anything at all, | |
68 | # so running nm on it is pretty useless. | |
5f912e1c PP |
69 | # You can override this with Configure -Dusenm. |
70 | case "$usenm" in | |
71 | '') usenm='false' ;; | |
72 | esac | |
9d116dd7 | 73 | |
59c9e5d6 PP |
74 | # Setting ldflags='-Wl,EDIT=NO' will get rid of the symbol |
75 | # information at the end of the executable (=> smaller binaries). | |
76 | # Override this option with -Dldflags='whatever else you wanted'. | |
77 | case "$ldflags" in | |
92ad49c1 MB |
78 | '') ldflags='-qxplink -qdll -Wl,XPLINK,dll' ;; |
79 | esac | |
80 | case "$optimize" in | |
81 | *-g*) ;; | |
82 | *) ldflags="$ldflags -Wl,EDIT=NO" | |
59c9e5d6 PP |
83 | esac |
84 | ||
85 | # In order to build with dynamic be sure to specify: | |
86 | # Configure -Dusedl | |
87 | # Do not forget to add $archlibexp/CORE to your LIBPATH. | |
88 | # You might want to override some of this with things like: | |
ac9901e0 | 89 | # Configure -Dusedl -Ddlext=so -Ddlsrc=dl_dllload.xs. |
5f912e1c | 90 | case "$usedl" in |
ac9901e0 PP |
91 | '') |
92 | usedl='n' | |
93 | case "$dlext" in | |
94 | '') dlext='none' ;; | |
95 | esac | |
96 | ;; | |
97 | define) | |
98 | case "$useshrplib" in | |
99 | '') useshrplib='true' ;; | |
100 | esac | |
ac9901e0 PP |
101 | case "$dlsrc" in |
102 | '') dlsrc='dl_dllload.xs' ;; | |
103 | esac | |
f2766b05 PP |
104 | # For performance use 'so' at or beyond v2.8, 'dll' for 2.7 and prior versions |
105 | case "`uname -v`x`uname -r`" in | |
106 | 02x0[89].*|02x1[0-9].*|[0-9][3-9]x*) | |
107 | so='so' | |
108 | case "$dlext" in | |
109 | '') dlext='so' ;; | |
110 | esac | |
111 | ;; | |
112 | *) | |
113 | so='dll' | |
114 | case "$dlext" in | |
115 | '') dlext='dll' ;; | |
116 | esac | |
117 | ;; | |
118 | esac | |
119 | libperl="libperl.$so" | |
9bf21945 | 120 | ccflags="$ccflags -D_SHR_ENVIRON -DPERL_EXTERNAL_GLOB -qexportall -qdll -qxplink" |
92ad49c1 | 121 | cccdlflags='-c -qexportall -qxplink -qdll -Wc,XPLINK,dll,EXPORTALL -Wl,XPLINK,dll' |
f2766b05 PP |
122 | # The following will need to be modified for the installed libperl.x. |
123 | # The modification to Config.pm is done by the installperl script after the build and test. | |
92ad49c1 MB |
124 | ccdlflags="-qxplink -qdll -Wl,XPLINK,dll `pwd`/libperl.x" |
125 | lddlflags="-qxplink -qdll -Wl,XPLINK,dll `pwd`/libperl.x" | |
ac9901e0 | 126 | ;; |
5f912e1c | 127 | esac |
ac9901e0 | 128 | # even on static builds using LIBPATH should be OK. |
5f912e1c PP |
129 | case "$ldlibpthname" in |
130 | '') ldlibpthname=LIBPATH ;; | |
131 | esac | |
9d116dd7 | 132 | |
dca46f05 | 133 | # The following should always be used |
20b634c2 JH |
134 | d_oldpthreads='define' |
135 | ||
5f912e1c | 136 | # Header files to include. |
20b634c2 | 137 | # You can override these with Configure -Ui_time -Ui_systime -Dd_pthread_atfork. |
5f912e1c PP |
138 | case "$i_time" in |
139 | '') i_time='define' ;; | |
140 | esac | |
141 | case "$i_systime" in | |
142 | '') i_systime='define' ;; | |
143 | esac | |
20b634c2 JH |
144 | case "$d_pthread_atfork" in |
145 | '') d_pthread_atfork='undef' ;; | |
146 | esac | |
6cfe8af5 JH |
147 | case "$d_pthread_atfork" in |
148 | '') d_pthread_atfork='undef' ;; | |
149 | esac | |
86339dc9 TB |
150 | |
151 | # (from aix.sh) | |
152 | # uname -m output is too specific and not appropriate here | |
9d116dd7 | 153 | # osname should come from Configure |
5f912e1c | 154 | # You can override this with Configure -Darchname='s390' but please don't. |
86339dc9 TB |
155 | case "$archname" in |
156 | '') archname="$osname" ;; | |
157 | esac | |
158 | ||
5f912e1c PP |
159 | # We have our own cppstdin script. This is not a variable since |
160 | # Configure sees the presence of the script file. | |
161 | # We put system header -D definitions in so that Configure | |
162 | # can find the shmat() prototype in <sys/shm.h> and various | |
163 | # other things. Unfortunately, cppflags occurs too late to be of | |
164 | # value external to the script. This may need to be revisited | |
165 | # under a compiler other than c89. | |
f2766b05 PP |
166 | case "$usedl" in |
167 | define) | |
a4c2c75a | 168 | echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -D_SHR_ENVIRON -E -Wc,"LANGLVL(DOLLARINNAMES)",NOLOC ${1+"$@"} .$$.c | fgrep -v "??="; rm .$$.c' > cppstdin |
f2766b05 PP |
169 | ;; |
170 | *) | |
a4c2c75a | 171 | echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -E -Wc,"LANGLVL(DOLLARINNAMES)",NOLOC ${1+"$@"} .$$.c | fgrep -v "??="; rm .$$.c' > cppstdin |
f2766b05 PP |
172 | ;; |
173 | esac | |
23e2eca9 PP |
174 | |
175 | # | |
5f912e1c | 176 | # Note that Makefile.SH employs a bare yacc command to generate |
c67aee7a | 177 | # perly.[hc], hence you may wish to: |
23e2eca9 PP |
178 | # |
179 | # alias yacc='myyacc' | |
180 | # | |
181 | # Then if you would like to use myyacc and skip past the | |
182 | # following warnings try invoking Configure like so: | |
183 | # | |
184 | # sh Configure -Dbyacc=yacc | |
185 | # | |
186 | # This trick ought to work even if your yacc is byacc. | |
187 | # | |
188 | if test "X$byacc" = "Xbyacc" ; then | |
189 | if test -e /etc/yyparse.c ; then | |
190 | : we should be OK - perhaps do a test -r? | |
191 | else | |
192 | cat <<EOWARN >&4 | |
193 | ||
194 | Warning. You do not have a copy of yyparse.c, the default | |
195 | yacc parser template file, in place in /etc. | |
196 | EOWARN | |
197 | if test -e /samples/yyparse.c ; then | |
198 | cat <<EOWARN >&4 | |
199 | ||
200 | There does appear to be a template file in /samples though. | |
201 | Please run: | |
202 | ||
203 | cp /samples/yyparse.c /etc | |
204 | ||
205 | before attempting to Configure the build of $package. | |
206 | ||
207 | EOWARN | |
208 | else | |
209 | cat <<EOWARN >&4 | |
210 | ||
211 | There does not appear to be one in /samples either. | |
212 | If you feel you can make use of an alternate yacc-like | |
213 | parser generator then please read the comments in the | |
214 | hints/os390.sh file carefully. | |
215 | ||
216 | EOWARN | |
217 | fi | |
218 | exit 1 | |
219 | fi | |
220 | fi | |
221 | ||
eecdb66e JH |
222 | # Most of the time gcvt() seems to work fine but |
223 | # sometimes values like 0.1, 0.2, come out as "10", "20", | |
224 | # a trivial Perl demonstration snippet is 'print 0.1'. | |
1f361dc9 | 225 | # The -W 0,float(ieee) seems to be the switch breaking gcvt(). |
eecdb66e | 226 | # sprintf() seems to get things right(er). |
aade5aff | 227 | gconvert_preference=sprintf |
eecdb66e | 228 | |
4144573e JH |
229 | # Configure gets these wrong for some reason. |
230 | d_gethostbyaddr_r='undef' | |
231 | d_gethostbyname_r='undef' | |
232 | d_gethostent_r='undef' | |
233 | ||
a3815e44 | 234 | # The z/OS C compiler supports the attribute keyword, but in a |
636a024b AD |
235 | # limited manner. |
236 | # | |
237 | # Ideally, Configure's tests should test the attributes as they are expected | |
238 | # to be used in perl, and, ideally, those tests would fail on z/OS. | |
239 | # Until then, just tell Configure to ignore the attributes. Currently, | |
240 | # Configure thinks attributes are supported because it does not recognize | |
241 | # warning messages like this: | |
242 | # | |
243 | # INFORMATIONAL CCN4108 ./proto.h:4534 The use of keyword '__attribute__' is non-portable. | |
244 | ||
245 | d_attribute_deprecated='undef' | |
246 | d_attribute_format='undef' | |
247 | d_attribute_malloc='undef' | |
248 | d_attribute_nonnull='undef' | |
249 | d_attribute_noreturn='undef' | |
250 | d_attribute_pure='undef' | |
251 | d_attribute_unused='undef' | |
252 | d_attribute_warn_unused_result='undef' | |
d3ac2b76 JH |
253 | |
254 | # nan() is in libm but doesn't work as expected: nan("") or nan("0") | |
255 | # returns zero, not a nan: | |
256 | # http://www-01.ibm.com/support/knowledgecenter/SSLTBW_1.12.0/com.ibm.zos.r12.bpxbd00/nan.htm%23nan?lang=en | |
257 | # contrast with e.g. | |
258 | # http://www.cplusplus.com/reference/cmath/nan-function/ | |
259 | # (C++ but C99 math agrees) | |
260 | # XXX: Configure scan for proper behavior | |
261 | d_nan='undef' | |
cc404f89 KW |
262 | |
263 | # Configures says this exists, but it doesn't work properly. See | |
264 | # <54DCE073.4010100@khwilliamson.com> | |
265 | d_dir_dd_fd='undef' |