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[p5sagit/p5-mst-13.2.git] / hints / darwin.sh
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f556e5b9 1##
2# Darwin (Mac OS) hints
835bc3f3 3# Wilfredo Sanchez <wsanchez@wsanchez.net>
f556e5b9 4##
5
6##
7# Paths
6fd18151 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
0cad7ed8 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
6fd18151 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';
b69885a6 37 siteprefix='/usr/local';
38 # We don't want /usr/bin/HEAD issues.
39 sitebin='/usr/local/bin';
40 sitescript='/usr/local/bin';
6fd18151 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 ${prefix}/man.
50 man1dir='/usr/share/man/man1';
51 man3dir='/usr/share/man/man3';
b69885a6 52 # But users' installs shouldn't touch the system man pages.
8d4e7e39 53 # Transient obsoleted style.
c975d1a7 54 siteman1='/usr/local/share/man/man1';
55 siteman3='/usr/local/share/man/man3';
8d4e7e39 56 # New style.
57 siteman1dir='/usr/local/share/man/man1';
58 siteman3dir='/usr/local/share/man/man3';
6fd18151 59 ;;
60 *) # Anything else; use non-system directories, use Configure defaults
61 ;;
62esac
f556e5b9 63
64##
65# Tool chain settings
66##
67
68# Since we can build fat, the archname doesn't need the processor type
69archname='darwin';
70
71# nm works.
72usenm='true';
73
318c098a 74case "$optimize" in
75'')
14c26028 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.
21328108 81if [ -z "${optimize}" ]; then
c8037037 82 case "`${cc:-gcc} -v 2>&1`" in
83 *"gcc version 3."*) optimize='-Os' ;;
84 *) optimize='-O3' ;;
21328108 85 esac
c8037037 86else
87 optimize='-O3'
23131aa4 88fi
318c098a 89;;
90esac
f556e5b9 91
21328108 92# -fno-common because common symbols are not allowed in MH_DYLIB
6239f2da 93# -DPERL_DARWIN: apparently the __APPLE__ is not sanctioned by Apple
f72d1791 94# as the way to differentiate Mac OS X. (The official line is that
95# *no* cpp symbol does differentiate Mac OS X.)
00e89ad4 96ccflags="${ccflags} -fno-common -DPERL_DARWIN"
f556e5b9 97
4e644a1e 98# At least on Darwin 1.3.x:
ccf87481 99#
100# # define INT32_MIN -2147483648
101# int main () {
102# double a = INT32_MIN;
103# printf ("INT32_MIN=%g\n", a);
104# return 0;
105# }
106# will output:
107# INT32_MIN=2.14748e+09
108# Note that the INT32_MIN has become positive.
109# INT32_MIN is set in /usr/include/stdint.h by:
110# #define INT32_MIN -2147483648
111# which seems to break the gcc. Defining INT32_MIN as (-2147483647-1)
112# seems to work. INT64_MIN seems to be similarly broken.
113# -- Nicholas Clark, Ken Williams, and Edward Moy
114#
65fe0b2a 115# This seems to have been fixed since at least Mac OS X 10.1.3,
116# stdint.h defining INT32_MIN as (-INT32_MAX-1)
117# -- Edward Moy
118#
21328108 119case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
120 *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
65fe0b2a 121esac
ccf87481 122
21328108 123# Avoid Apple's cpp precompiler, better for extensions
8f4f83ba 124cppflags="${cppflags} -no-cpp-precomp"
835bc3f3 125
126# This is necessary because perl's build system doesn't
127# apply cppflags to cc compile lines as it should.
128ccflags="${ccflags} ${cppflags}"
4f8ddd77 129
00371ed5 130# Known optimizer problems.
f5520784 131case "`cc -v 2>&1`" in
21328108 132 *"3.1 20020105"*) toke_cflags='optimize=""' ;;
00371ed5 133esac
2ece6c11 134
f556e5b9 135# Shared library extension is .dylib.
136# Bundle extension is .bundle.
137ld='cc';
138so='dylib';
139dlext='bundle';
e800eb2e 140usedl='define';
141
142# 10.4 can use dlopen.
143# 10.4 broke poll().
144case "$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
381aa1c3 155case "$ccdlflags" in # If passed in from command line, presume user knows best
156'')
157 cccdlflags=' '; # space, not empty, because otherwise we get -fpic
158;;
159esac
160
21328108 161# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
986530ea 162# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
f29f446b 163case "$osvers" in
cb3fc426 1641.[0-3].*)
986530ea 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="${ldflags} -bundle -undefined suppress"
174 ;;
e800eb2e 175*)
176 lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
986530ea 177 case "$ld" in
e800eb2e 178 *MACOSX_DEVELOPMENT_TARGET*) ;;
179 *) ld="env MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
986530ea 180 esac
181 ;;
f29f446b 182esac
f556e5b9 183ldlibpthname='DYLD_LIBRARY_PATH';
39225f5c 184
185# useshrplib=true results in much slower startup times.
763754f3 186# 'false' is the default value. Use Configure -Duseshrplib to override.
f556e5b9 187
cb3fc426 188cat > UU/archname.cbu <<'EOCBU'
189# This script UU/archname.cbu will get 'called-back' by Configure
190# after it has otherwise determined the architecture name.
191case "$ldflags" in
986530ea 192*"-flat_namespace"*) ;; # Backward compat, be flat.
cb3fc426 193# If we are using two-level namespace, we will munge the archname to show it.
194*) archname="${archname}-2level" ;;
195esac
196EOCBU
197
381aa1c3 198# 64-bit addressing support. Currently strictly experimental. DFD 2005-06-06
199if [ "$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
ee94f810 220*** 10.4 ("Tiger") and Darwin version 8. System V IPC is disabled
221*** due to problems with the 64-bit versions of msgctl, semctl,
222*** and shmctl. You should also expect the following test failures:
223***
224*** ext/threads/shared/t/wait (threaded builds only)
381aa1c3 225
226EOM
227 for var in ccflags cppflags ld ldflags
228 do
229 eval $var="\$${var}\ -arch\ ppc64"
230 done
ee94f810 231
232 [ "$d_msgctl" ] || d_msgctl='undef'
233 [ "$d_semctl" ] || d_semctl='undef'
234 [ "$d_shmctl" ] || d_shmctl='undef'
381aa1c3 235 ;;
236esac
237fi
238
f556e5b9 239##
240# System libraries
241##
242
243# vfork works
244usevfork='true';
245
9df442c2 246# malloc wrap works
247case "$usemallocwrap" in
248'') usemallocwrap='define' ;;
249esac
250
e88d9d51 251# our malloc works (but allow users to override)
ec5333ab 252case "$usemymalloc" in
e88d9d51 253'') usemymalloc='n' ;;
254esac
bc961b00 255# However sbrk() returns -1 (failure) somewhere in lib/unicore/mktables at
256# around 14M, so we need to use system malloc() as our sbrk()
257malloc_cflags='ccflags="-DUSE_PERL_SBRK -DPERL_SBRK_VIA_MALLOC $ccflags"'
2ece6c11 258
d235852b 259# Locales aren't feeling well.
260LC_ALL=C; export LC_ALL;
14c11978 261LANG=C; export LANG;
d235852b 262
2590a1d7 263#
14c11978 264# The libraries are not threadsafe as of OS X 10.1.
2590a1d7 265#
266# Fix when Apple fixes libc.
267#
3db8f154 268case "$usethreads$useithreads" in
21328108 269 *define*)
9bff986a 270 case "$osvers" in
271 [12345].*) cat <<EOM >&4
272
273
2590a1d7 274
4f8ddd77 275*** Warning, there might be problems with your libraries with
00371ed5 276*** regards to threading. The test ext/threads/t/libc.t is likely
277*** to fail.
4f8ddd77 278
2590a1d7 279EOM
21328108 280 ;;
9bff986a 281 *) usereentrant='define';;
282 esac
283
2590a1d7 284esac
835bc3f3 285
8ba6e877 286# Fink can install a GDBM library that claims to have the ODBM interfaces
287# but Perl dynaloader cannot for some reason use that library. We don't
288# really need ODBM_FIle, though, so let's just hint ODBM away.
289i_dbm=undef;
290
e39a9d84 291# Configure doesn't detect ranlib on Tiger properly.
292# NeilW says this should be acceptable on all darwin versions.
293ranlib='ranlib'
294
835bc3f3 295##
296# Build process
297##
298
299# Case-insensitive filesystems don't get along with Makefile and
300# makefile in the same place. Since Darwin uses GNU make, this dodges
301# the problem.
302firstmakefile=GNUmakefile;