perl/hints/os390.sh

# hints/os390.sh
#
# OS/390 hints by David J. Fiander <davidf@mks.com>
#
# OS/390 OpenEdition Release 3 Mon Sep 22 1997 thanks to:
# 
#     John Goodyear <johngood@us.ibm.com>
#     John Pfuntner <pfuntner@vnet.ibm.com>
#     Len Johnson <lenjay@ibm.net>
#     Bud Huff  <BAHUFF@us.oracle.com>
#     Peter Prymmer <pvhp@forte.com>
#     Andy Dougherty  <doughera@lafayette.edu>
#     Tim Bunce  <Tim.Bunce@ig.co.uk>
#
#  as well as the authors of the aix.sh file
#

# To get ANSI C, we need to use c89, and ld doesn't exist
# You can override this with Configure -Dcc=gcc -Dld=ld.
case "$cc" in
'') cc='c89' ;;
esac
case "$ld" in
'') ld='c89' ;;
esac

# -DMAXSIG=38 maximum signal number
# -DOEMVS is used in place of #ifdef __MVS__ in certain places.
# -D_OE_SOCKETS alters system headers.
# -D_XOPEN_SOURCE_EXTENDEDA alters system headers.
# c89 hides most of the useful header stuff, _ALL_SOURCE turns it on again.
# YYDYNAMIC ensures that the OS/390 yacc generated parser is reentrant.
# -DEBCDIC should come from Configure and need not be mentioned here.
# Prepend your favorites with Configure -Dccflags=your_favorites
case "$ccflags" in
'') ccflags='-DMAXSIG=38 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC' ;;
*) ccflags="$ccflags -DMAXSIG=38 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC" ;;
esac

# Turning on optimization breaks perl.
# You can override this with Configure -Doptimize='-O' or somesuch.
case "$optimize" in
'') optimize='none' ;;
esac

# To link via definition side decks we need the dll option
# You can override this with Configure -Ucccdlflags or somesuch.
case "$cccdlflags" in
'') cccdlflags='-W 0,dll' ;;
esac

case "$so" in
'') so='a' ;;
esac

case "$alignbytes" in
'') alignbytes=8 ;;
esac

case "$usemymalloc" in
'') usemymalloc='n' ;;
esac

# On OS/390, libc.a doesn't really hold anything at all,
# so running nm on it is pretty useless.
# You can override this with Configure -Dusenm.
case "$usenm" in
'') usenm='false' ;;
esac

# Setting ldflags='-Wl,EDIT=NO' will get rid of the symbol
# information at the end of the executable (=> smaller binaries).
# Override this option with -Dldflags='whatever else you wanted'.
case "$ldflags" in
'') ldflags='-Wl,EDIT=NO' ;;
esac

# In order to build with dynamic be sure to specify:
#   Configure -Dusedl
# Do not forget to add $archlibexp/CORE to your LIBPATH.
# You might want to override some of this with things like:
#  Configure -Dusedl -Ddlext=so -Ddlsrc=dl_dllload.xs.
case "$usedl" in
'')
    usedl='n' 
    case "$dlext" in
    '') dlext='none' ;;
    esac
    ;;
define)
    case "$useshrplib" in
    '') useshrplib='true' ;;
    esac
    case "$dlsrc" in
    '') dlsrc='dl_dllload.xs' ;;
    esac
    # For performance use 'so' at or beyond v2.8, 'dll' for 2.7 and prior versions
    case "`uname -v`x`uname -r`" in
    02x0[89].*|02x1[0-9].*|[0-9][3-9]x*) 
        so='so'
        case "$dlext" in
        '') dlext='so' ;;
        esac
        ;;
    *) 
        so='dll'
        case "$dlext" in
        '') dlext='dll' ;;
        esac
        ;;
    esac
    libperl="libperl.$so"
    ccflags="$ccflags -D_SHR_ENVIRON -DPERL_EXTERNAL_GLOB -Wc,dll"
    cccdlflags='-c -Wc,dll,EXPORTALL'
    # The following will need to be modified for the installed libperl.x.
    # The modification to Config.pm is done by the installperl script after the build and test.
    ccdlflags="-W l,dll `pwd`/libperl.x"
    lddlflags="-W l,dll `pwd`/libperl.x"
    ;;
esac
# even on static builds using LIBPATH should be OK.
case "$ldlibpthname" in
'') ldlibpthname=LIBPATH ;;
esac

# The folowing should always be used
d_oldpthreads='define'

# Header files to include.
# You can override these with Configure -Ui_time -Ui_systime -Dd_pthread_atfork.
case "$i_time" in
'') i_time='define' ;;
esac
case "$i_systime" in
'') i_systime='define' ;;
esac
case "$d_pthread_atfork" in
'') d_pthread_atfork='undef' ;;
esac
case "$d_pthread_atfork" in                                                  
'') d_pthread_atfork='undef' ;;                                              
esac                                                                         

# (from aix.sh)
# uname -m output is too specific and not appropriate here
# osname should come from Configure
# You can override this with Configure -Darchname='s390' but please don't.
case "$archname" in
'') archname="$osname" ;;
esac

# We have our own cppstdin script.  This is not a variable since 
# Configure sees the presence of the script file.
# We put system header -D definitions in so that Configure
# can find the shmat() prototype in <sys/shm.h> and various
# other things.  Unfortunately, cppflags occurs too late to be of 
# value external to the script.  This may need to be revisited 
# under a compiler other than c89.
case "$usedl" in
define)
echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -D_SHR_ENVIRON -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
    ;;
*)
echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
    ;;
esac

#
# Note that Makefile.SH employs a bare yacc command to generate 
# perly.[hc] and a2p.[hc], hence you may wish to:
#
#    alias yacc='myyacc'
#
# Then if you would like to use myyacc and skip past the
# following warnings try invoking Configure like so: 
#
#    sh Configure -Dbyacc=yacc
#
# This trick ought to work even if your yacc is byacc.
#
if test "X$byacc" = "Xbyacc" ; then
    if test -e /etc/yyparse.c ; then
        : we should be OK - perhaps do a test -r?
    else
        cat <<EOWARN >&4

Warning.  You do not have a copy of yyparse.c, the default 
yacc parser template file, in place in /etc.
EOWARN
        if test -e /samples/yyparse.c ; then
            cat <<EOWARN >&4

There does appear to be a template file in /samples though.
Please run:

      cp /samples/yyparse.c /etc

before attempting to Configure the build of $package.

EOWARN
        else
            cat <<EOWARN >&4

There does not appear to be one in /samples either.  
If you feel you can make use of an alternate yacc-like 
parser generator then please read the comments in the
hints/os390.sh file carefully.

EOWARN
        fi
        exit 1
    fi
fi

# Most of the time gcvt() seems to work fine but
# sometimes values like 0.1, 0.2, come out as "10", "20",
# a trivial Perl demonstration snippet is 'print 0.1'.
# The -W 0,float(ieee) seems to be the switch breaking gcvt().
# sprintf() seems to get things right(er).
gconvert_preference=sprintf

cat >config.arch<<'__CONFIG_ARCH__'
# The '-W 0,float(ieee)' cannot be used during Configure as ldflags.

ccflags="$ccflags -W 0,float(ieee)"

__CONFIG_ARCH__
Revision:	1.1
Committed:	Thu Jun 30 14:27:07 2005 UTC (21 years, 4 months ago) by root
Content type:	application/x-sh
Branch:	MAIN
CVS Tags:	PERL-5-8-7, HEAD
Branch point for:	PERL
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	# 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=38 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 "$ccflags" in
36			'') ccflags='-DMAXSIG=38 -DOEMVS -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -DYYDYNAMIC' ;;
37			*) ccflags="$ccflags -DMAXSIG=38 -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' ;;
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="$ccflags -D_SHR_ENVIRON -DPERL_EXTERNAL_GLOB -Wc,dll"
114			cccdlflags='-c -Wc,dll,EXPORTALL'
115			# The following will need to be modified for the installed libperl.x.
116			# The modification to Config.pm is done by the installperl script after the build and test.
117			ccdlflags="-W l,dll `pwd`/libperl.x"
118			lddlflags="-W l,dll `pwd`/libperl.x"
119			;;
120			esac
121			# even on static builds using LIBPATH should be OK.
122			case "$ldlibpthname" in
123			'') ldlibpthname=LIBPATH ;;
124			esac
125
126			# The folowing 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 >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -D_SHR_ENVIRON -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
162			;;
163			*)
164			echo 'cat >.$$.c; '"$cc"' -D_OE_SOCKETS -D_XOPEN_SOURCE_EXTENDED -D_ALL_SOURCE -E -Wc,NOLOC ${1+"$@"} .$$.c; rm .$$.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__