1##
2# Darwin (Mac OS) hints
3# Wilfredo Sanchez <wsanchez@wsanchez.net>
4##
5
6##
7# Paths
8##
9
10# Configure hasn't figured out the version number yet.  Bummer.
11perl_revision=`awk '/define[ 	]+PERL_REVISION/ {print $3}' $src/patchlevel.h`
12perl_version=`awk '/define[ 	]+PERL_VERSION/ {print $3}' $src/patchlevel.h`
13perl_subversion=`awk '/define[ 	]+PERL_SUBVERSION/ {print $3}' $src/patchlevel.h`
14version="${perl_revision}.${perl_version}.${perl_subversion}"
15
16# Pretend that Darwin doesn't know about those system calls [perl #24122]
17d_setregid='undef'
18d_setreuid='undef'
19d_setrgid='undef'
20d_setruid='undef'
21
22# This was previously used in all but causes three cases
23# (no -Ddprefix=, -Dprefix=/usr, -Dprefix=/some/thing/else)
24# but that caused too much grief.
25# vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules
26
27# BSD paths
28case "$prefix" in
29'')	# Default install; use non-system directories
30	prefix='/usr/local';
31	siteprefix='/usr/local';
32	;;
33'/usr')	# We are building/replacing the built-in perl
34	prefix='/';
35	installprefix='/';
36	bin='/usr/bin';
37	siteprefix='/usr/local';
38	# We don't want /usr/bin/HEAD issues.
39	sitebin='/usr/local/bin';
40	sitescript='/usr/local/bin';
41	installusrbinperl='define'; # You knew what you were doing.
42	privlib="/System/Library/Perl/${version}";
43	sitelib="/Library/Perl/${version}";
44	vendorprefix='/';
45	usevendorprefix='define';
46	vendorbin='/usr/bin';
47	vendorscript='/usr/bin';
48	vendorlib="/Network/Library/Perl/${version}";
49	# 4BSD uses ${prefix}/share/man, not ${prefix}/man.
50	man1dir='/usr/share/man/man1';
51	man3dir='/usr/share/man/man3';
52	# But users' installs shouldn't touch the system man pages.
53	# Transient obsoleted style.
54	siteman1='/usr/local/share/man/man1';
55	siteman3='/usr/local/share/man/man3';
56	# New style.
57	siteman1dir='/usr/local/share/man/man1';
58	siteman3dir='/usr/local/share/man/man3';
59	;;
60  *)	# Anything else; use non-system directories, use Configure defaults
61	;;
62esac
63
64##
65# Tool chain settings
66##
67
68# Since we can build fat, the archname doesn't need the processor type
69archname='darwin';
70
71# nm works.
72usenm='true';
73
74case "$optimize" in
75'')
76#    Optimizing for size also mean less resident memory usage on the part
77# of Perl.  Apple asserts that this is a more important optimization than
78# saving on CPU cycles.  Given that memory speed has not increased at
79# pace with CPU speed over time (on any platform), this is probably a
80# reasonable assertion.
81if [ -z "${optimize}" ]; then
82  case "`${cc:-gcc} -v 2>&1`" in
83    *"gcc version 3."*) optimize='-Os' ;;
84    *) optimize='-O3' ;;
85  esac
86else
87  optimize='-O3'
88fi
89;;
90esac
91
92# -fno-common because common symbols are not allowed in MH_DYLIB
93# -DPERL_DARWIN: apparently the __APPLE__ is not sanctioned by Apple
94# as the way to differentiate Mac OS X.  (The official line is that
95# *no* cpp symbol does differentiate Mac OS X.)
96ccflags="${ccflags} -fno-common -DPERL_DARWIN"
97
98# At least on Darwin 1.3.x:
99#
100# # define INT32_MIN -2147483648
101# int main () {
102#  double a = INT32_MIN;
103#  printf ("INT32_MIN=%g\n", a);
104#  return 0;
105# }
106# will output:
107# INT32_MIN=2.14748e+09
108# Note that the INT32_MIN has become positive.
109# INT32_MIN is set in /usr/include/stdint.h by:
110# #define INT32_MIN        -2147483648
111# which seems to break the gcc.  Defining INT32_MIN as (-2147483647-1)
112# seems to work.  INT64_MIN seems to be similarly broken.
113# -- Nicholas Clark, Ken Williams, and Edward Moy
114#
115# This seems to have been fixed since at least Mac OS X 10.1.3,
116# stdint.h defining INT32_MIN as (-INT32_MAX-1)
117# -- Edward Moy
118#
119case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
120  *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
121esac
122
123# Avoid Apple's cpp precompiler, better for extensions
124cppflags="${cppflags} -no-cpp-precomp"
125
126# This is necessary because perl's build system doesn't
127# apply cppflags to cc compile lines as it should.
128ccflags="${ccflags} ${cppflags}"
129
130# Known optimizer problems.
131case "`cc -v 2>&1`" in
132  *"3.1 20020105"*) toke_cflags='optimize=""' ;;
133esac
134
135# Shared library extension is .dylib.
136# Bundle extension is .bundle.
137ld='cc';
138so='dylib';
139dlext='bundle';
140usedl='define';
141
142# 10.4 can use dlopen.
143# 10.4 broke poll().
144case "$osvers" in
145[1-7].*)
146    dlsrc='dl_dyld.xs';
147    ;;
148*)
149    dlsrc='dl_dlopen.xs';
150    d_poll='undef';
151    i_poll='undef';
152    ;;
153esac
154
155case "$ccdlflags" in		# If passed in from command line, presume user knows best
156'')
157   cccdlflags=' '; # space, not empty, because otherwise we get -fpic
158;;
159esac
160
161# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
162# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
163case "$osvers" in
1641.[0-3].*)
165   lddlflags="${ldflags} -bundle -undefined suppress"
166   ;;
1671.*)
168   ldflags="${ldflags} -flat_namespace"
169   lddlflags="${ldflags} -bundle -undefined suppress"
170   ;;
171[2-6].*)
172   ldflags="${ldflags} -flat_namespace"
173   lddlflags="${ldflags} -bundle -undefined suppress"
174   ;;
175*)
176   lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
177   case "$ld" in
178       *MACOSX_DEVELOPMENT_TARGET*) ;;
179       *) ld="env MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
180   esac
181   ;;
182esac
183ldlibpthname='DYLD_LIBRARY_PATH';
184
185# useshrplib=true results in much slower startup times.
186# 'false' is the default value.  Use Configure -Duseshrplib to override.
187
188cat > UU/archname.cbu <<'EOCBU'
189# This script UU/archname.cbu will get 'called-back' by Configure
190# after it has otherwise determined the architecture name.
191case "$ldflags" in
192*"-flat_namespace"*) ;; # Backward compat, be flat.
193# If we are using two-level namespace, we will munge the archname to show it.
194*) archname="${archname}-2level" ;;
195esac
196EOCBU
197
198# 64-bit addressing support. Currently strictly experimental. DFD 2005-06-06
199if [ "$use64bitall" ]
200then
201case "$osvers" in
202[1-7].*)
203     cat <<EOM >&4
204
205
206
207*** 64-bit addressing is not supported for Mac OS X versions
208*** below 10.4 ("Tiger") or Darwin versions below 8. Please try
209*** again without -D64bitall. (-D64bitint will work, however.)
210
211EOM
212     exit 1
213  ;;
214*)
215    cat <<EOM >&4
216
217
218
219*** Perl 64-bit addressing support is experimental for Mac OS X
220*** 10.4 ("Tiger") and Darwin version 8. Expect a number of test
221*** failures:
222***    ext/IO/io_*   ext/IPC/sysV/t/*   lib/Net/Ping/t/450_service
223***    Any test that uses sdbm
224
225EOM
226    for var in ccflags cppflags ld ldflags
227    do
228       eval $var="\$${var}\ -arch\ ppc64"
229    done
230    ;;
231esac
232fi
233
234##
235# System libraries
236##
237
238# vfork works
239usevfork='true';
240
241# malloc wrap works
242case "$usemallocwrap" in
243'') usemallocwrap='define' ;;
244esac
245
246# our malloc works (but allow users to override)
247case "$usemymalloc" in
248'') usemymalloc='n' ;;
249esac
250# However sbrk() returns -1 (failure) somewhere in lib/unicore/mktables at
251# around 14M, so we need to use system malloc() as our sbrk()
252malloc_cflags='ccflags="-DUSE_PERL_SBRK -DPERL_SBRK_VIA_MALLOC $ccflags"'
253
254# Locales aren't feeling well.
255LC_ALL=C; export LC_ALL;
256LANG=C; export LANG;
257
258#
259# The libraries are not threadsafe as of OS X 10.1.
260#
261# Fix when Apple fixes libc.
262#
263case "$usethreads$useithreads$use5005threads" in
264  *define*)
265  case "$osvers" in
266    [12345].*)     cat <<EOM >&4
267
268
269
270*** Warning, there might be problems with your libraries with
271*** regards to threading.  The test ext/threads/t/libc.t is likely
272*** to fail.
273
274EOM
275    ;;
276    *) usereentrant='define';;
277  esac
278
279esac
280
281# Fink can install a GDBM library that claims to have the ODBM interfaces
282# but Perl dynaloader cannot for some reason use that library.  We don't
283# really need ODBM_FIle, though, so let's just hint ODBM away.
284i_dbm=undef;
285
286# Configure doesn't detect ranlib on Tiger properly.
287# NeilW says this should be acceptable on all darwin versions.
288ranlib='ranlib'
289
290##
291# Build process
292##
293
294# Case-insensitive filesystems don't get along with Makefile and
295# makefile in the same place.  Since Darwin uses GNU make, this dodges
296# the problem.
297firstmakefile=GNUmakefile;
298