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1##
2# Darwin (Mac OS) hints
835bc3f3 3# Wilfredo Sanchez <wsanchez@wsanchez.net>
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4##
5
6##
7# Paths
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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
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16# Pretend that Darwin doesn't know about those system calls in Tiger
17# (10.4/darwin 8) and earlier [perl #24122]
18case "$osvers" in
19[1-8].*)
20 d_setregid='undef'
21 d_setreuid='undef'
22 d_setrgid='undef'
23 d_setruid='undef'
24 ;;
25esac
0cad7ed8 26
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27# finite() deprecated in 10.9, use isfinite() instead.
28case "$osvers" in
29[1-8].*) ;;
30*) d_finite='undef' ;;
31esac
32
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33# This was previously used in all but causes three cases
34# (no -Ddprefix=, -Dprefix=/usr, -Dprefix=/some/thing/else)
35# but that caused too much grief.
36# vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules
37
38# BSD paths
39case "$prefix" in
40'') # Default install; use non-system directories
41 prefix='/usr/local';
42 siteprefix='/usr/local';
43 ;;
44'/usr') # We are building/replacing the built-in perl
45 prefix='/';
46 installprefix='/';
47 bin='/usr/bin';
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48 siteprefix='/usr/local';
49 # We don't want /usr/bin/HEAD issues.
50 sitebin='/usr/local/bin';
51 sitescript='/usr/local/bin';
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52 installusrbinperl='define'; # You knew what you were doing.
53 privlib="/System/Library/Perl/${version}";
54 sitelib="/Library/Perl/${version}";
55 vendorprefix='/';
56 usevendorprefix='define';
57 vendorbin='/usr/bin';
58 vendorscript='/usr/bin';
59 vendorlib="/Network/Library/Perl/${version}";
60 # 4BSD uses ${prefix}/share/man, not ${prefix}/man.
61 man1dir='/usr/share/man/man1';
62 man3dir='/usr/share/man/man3';
b69885a6 63 # But users' installs shouldn't touch the system man pages.
8d4e7e39 64 # Transient obsoleted style.
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65 siteman1='/usr/local/share/man/man1';
66 siteman3='/usr/local/share/man/man3';
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67 # New style.
68 siteman1dir='/usr/local/share/man/man1';
69 siteman3dir='/usr/local/share/man/man3';
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70 ;;
71 *) # Anything else; use non-system directories, use Configure defaults
72 ;;
73esac
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74
75##
76# Tool chain settings
77##
78
79# Since we can build fat, the archname doesn't need the processor type
80archname='darwin';
81
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82# nm isn't known to work after Snow Leopard and XCode 4; testing with OS X 10.5
83# and Xcode 3 shows a working nm, but pretending it doesn't work produces no
84# problems.
85usenm='false';
f556e5b9 86
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87case "$optimize" in
88'')
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89# Optimizing for size also mean less resident memory usage on the part
90# of Perl. Apple asserts that this is a more important optimization than
91# saving on CPU cycles. Given that memory speed has not increased at
92# pace with CPU speed over time (on any platform), this is probably a
93# reasonable assertion.
21328108 94if [ -z "${optimize}" ]; then
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95 case "`${cc:-gcc} -v 2>&1`" in
96 *"gcc version 3."*) optimize='-Os' ;;
97 *) optimize='-O3' ;;
21328108 98 esac
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99else
100 optimize='-O3'
23131aa4 101fi
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102;;
103esac
f556e5b9 104
21328108 105# -fno-common because common symbols are not allowed in MH_DYLIB
6239f2da 106# -DPERL_DARWIN: apparently the __APPLE__ is not sanctioned by Apple
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107# as the way to differentiate Mac OS X. (The official line is that
108# *no* cpp symbol does differentiate Mac OS X.)
00e89ad4 109ccflags="${ccflags} -fno-common -DPERL_DARWIN"
f556e5b9 110
4e644a1e 111# At least on Darwin 1.3.x:
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112#
113# # define INT32_MIN -2147483648
114# int main () {
115# double a = INT32_MIN;
116# printf ("INT32_MIN=%g\n", a);
117# return 0;
118# }
119# will output:
120# INT32_MIN=2.14748e+09
121# Note that the INT32_MIN has become positive.
122# INT32_MIN is set in /usr/include/stdint.h by:
123# #define INT32_MIN -2147483648
124# which seems to break the gcc. Defining INT32_MIN as (-2147483647-1)
125# seems to work. INT64_MIN seems to be similarly broken.
126# -- Nicholas Clark, Ken Williams, and Edward Moy
127#
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128# This seems to have been fixed since at least Mac OS X 10.1.3,
129# stdint.h defining INT32_MIN as (-INT32_MAX-1)
130# -- Edward Moy
131#
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132if test -f /usr/include/stdint.h; then
133 case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
21328108 134 *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
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135 esac
136fi
ccf87481 137
21328108 138# Avoid Apple's cpp precompiler, better for extensions
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139if [ "X`echo | ${cc} -no-cpp-precomp -E - 2>&1 >/dev/null`" = "X" ]; then
140 cppflags="${cppflags} -no-cpp-precomp"
835bc3f3 141
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142 # This is necessary because perl's build system doesn't
143 # apply cppflags to cc compile lines as it should.
144 ccflags="${ccflags} ${cppflags}"
145fi
4f8ddd77 146
00371ed5 147# Known optimizer problems.
f5520784 148case "`cc -v 2>&1`" in
21328108 149 *"3.1 20020105"*) toke_cflags='optimize=""' ;;
00371ed5 150esac
2ece6c11 151
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152# Shared library extension is .dylib.
153# Bundle extension is .bundle.
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154so='dylib';
155dlext='bundle';
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156usedl='define';
157
158# 10.4 can use dlopen.
159# 10.4 broke poll().
160case "$osvers" in
161[1-7].*)
162 dlsrc='dl_dyld.xs';
163 ;;
164*)
165 dlsrc='dl_dlopen.xs';
166 d_poll='undef';
167 i_poll='undef';
168 ;;
169esac
170
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171case "$ccdlflags" in # If passed in from command line, presume user knows best
172'')
173 cccdlflags=' '; # space, not empty, because otherwise we get -fpic
174;;
175esac
176
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177# Allow the user to override ld, but modify it as necessary below
178case "$ld" in
44b62df7 179 '') case "$cc" in
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180 # If the cc is explicitly something else than cc (or empty),
181 # set the ld to be that explicitly something else. Conversely,
182 # if the cc is 'cc' (or empty), set the ld to be 'cc'.
183 cc|'') ld='cc';;
184 *) ld="$cc" ;;
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185 esac
186 ;;
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187esac
188
53d1d41c 189# From http://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/mk/platform/Darwin.mk
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190# and https://trac.macports.org/wiki/XcodeVersionInfo
191# and https://trac.macports.org/wiki/UsingTheRightCompiler
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192#
193# OS, Kernel, Xcode Version
194# Note that Xcode gets updates on older systems sometimes.
195# pkgsrc generally expects that the most up-to-date xcode available for
196# an OS version is installed
197#
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198# Note that Apple hijacks the clang preprocessor symbols __clang_major__
199# and __clang_minor__ so they cannot be used (easily) to detect the
200# actual clang release. For example:
201#
202# "Yosemite 10.10.x 14.x.y 6.3 (clang 3.6 as 6.1/602.0.49)"
203#
204# means that the Xcode 6.3 provided the clang 6.3 but called it 6.1
205# (__clang_major__, __clang_minor__) and in addition the preprocessor
206# symbol __apple_build_version__ was 6020049.
207#
53d1d41c 208# Codename OS Kernel Xcode
970b4e2b 209#
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210# Cheetah 10.0.x 1.3.1
211# Puma 10.1 1.4.1
212# 10.1.x 5.x.y
213# Jaguar 10.2.x 6.x.y
214# Panther 10.3.x 7.x.y
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215# Tiger 10.4.x 8.x.y 2.0 (gcc4 4.0.0)
216# 2.2 (gcc4 4.0.1)
217# 2.2.1 (gcc 3.3)
218# 2.5 ?
219# Leopard 10.5.x 9.x.y 3.0 (gcc 4.0.1 default)
220# 3.1 (gcc 4.2.1)
221# Snow Leopard 10.6.x 10.x.y 3.2 (llvm gcc 4.2, clang 2.3 as 1.0)
222# 3.2.1 (clang 1.0.1 as 1.0.1/24)
223# 3.2.2 (clang 1.0.2 as 1.0.2/32)
224# 3.2.3 (clang 1.5 as 1.5/60)
225# 4.0.1 (clang 2.9 as 2.0/138)
226# Lion 10.7.x 11.x.y 4.1 (llvm gcc 4.2.1, clang 3.0 as 2.1/163.7.1)
227# 4.2 (clang 3.0 as 3.0/211.10.1)
228# 4.3.3 (clang 3.1 as 3.1/318.0.61)
229# 4.4 (clang 3.1 as 4.0/421.0.57)
230# Mountain Lion 10.8.x 12.x.y 4.5 (clang 3.1 as 4.1/421.11.65, real gcc removed, there is gcc but it's really clang)
231# 4.6 (clang 3.2 as 4.2/425.0.24)
232# 5.0 (clang 3.3 as 5.0/500.2.75)
233# 5.1 (clang 3.4 as 5.1/503.0.38)
234# Mavericks 10.9.x 13.x.y 6.0.1 (clang 3.5 as 6.0/600.0.51)
235# 6.1 (clang 3.5 as 6.0/600.0.54)
236# 6.2 (clang 3.5 as 6.0/600.0.57)
237# Yosemite 10.10.x 14.x.y 6.3 (clang 3.6 as 6.1/602.0.49)
238# El Capitan 10.11.x 15.x.y 7.0 (clang 3.7 as 7.0/700.0.72)
239# 7.1 (clang 3.7 as 7.0/700.1.76)
240#
53d1d41c 241
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242# Processors Supported
243#
244# PowerPC (PPC): 10.0.x - 10.5.8 (final 10.5.x)
245# PowerPC via Rosetta: 10.4.4 - 10.6.8 (final 10.6.x)
246# IA-32: 10.4.4 - 10.6.8 (though still supported on x86-64)
247# x86-64: 10.4.7 - current
248
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249# MACOSX_DEPLOYMENT_TARGET selects the minimum OS level we want to support
250#
251# It is needed for OS releases before 10.6.
252#
253# https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/cross_development/Configuring/configuring.html
254#
255# If it is set, we also propagate its value to ccflags and ldflags
256# using the -mmacosx-version-min flag. If it is not set, we use
257# the OS X release as the min value for the flag.
258
259# Adds "-mmacosx-version-min=$2" to "$1" unless it already is there.
260add_macosx_version_min () {
261 local v
262 eval "v=\$$1"
263 case " $v " in
264 *"-mmacosx-version-min"*)
265 echo "NOT adding -mmacosx-version-min=$2 to $1 ($v)" >&4
266 ;;
267 *) echo "Adding -mmacosx-version-min=$2 to $1" >&4
268 eval "$1='$v -mmacosx-version-min=$2'"
269 ;;
270 esac
271}
272
21328108 273# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
986530ea 274# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
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275case "$osvers" in # Note: osvers is the kernel version, not the 10.x
2761.[0-3].*) # OS X 10.0.x
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277 lddlflags="${ldflags} -bundle -undefined suppress"
278 ;;
53d1d41c 2791.*) # OS X 10.1
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280 ldflags="${ldflags} -flat_namespace"
281 lddlflags="${ldflags} -bundle -undefined suppress"
282 ;;
53d1d41c 283[2-6].*) # OS X 10.1.x - 10.2.x (though [2-4] never existed publicly)
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284 ldflags="${ldflags} -flat_namespace"
285 lddlflags="${ldflags} -bundle -undefined suppress"
286 ;;
53d1d41c 287[7-9].*) # OS X 10.3.x - 10.5.x
e800eb2e 288 lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
986530ea 289 case "$ld" in
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290 *MACOSX_DEVELOPMENT_TARGET*) ;;
291 *) ld="env MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
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292 esac
293 ;;
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294*) # OS X 10.6.x - current
295 # The MACOSX_DEPLOYMENT_TARGET is not needed,
296 # but the -mmacosx-version-min option is always used.
297
298 # We now use MACOSX_DEPLOYMENT_TARGET, if set, as an override by
299 # capturing its value and adding it to the flags.
300 case "$MACOSX_DEPLOYMENT_TARGET" in
301 10.*)
302 add_macosx_version_min ccflags $MACOSX_DEPLOYMENT_TARGET
303 add_macosx_version_min ldflags $MACOSX_DEPLOYMENT_TARGET
304 ;;
305 '')
306 # Empty MACOSX_DEPLOYMENT_TARGET is okay.
307 ;;
308 *)
309 cat <<EOM >&4
310
311*** Unexpected MACOSX_DEPLOYMENT_TARGET=$MACOSX_DEPLOYMENT_TARGET
312***
313*** Please either set it to 10.something, or to empty.
314
315EOM
316 exit 1
317 ;;
318 esac
319
320 # Keep the prodvers leading whitespace (Configure magic).
321 # Cannot use $osvers here since that is the kernel version.
322 # sw_vers output what we want
323 # "ProductVersion: 10.10.5" "10.10"
324 # "ProductVersion: 10.11" "10.11"
325 prodvers=`sw_vers|awk '/^ProductVersion:/{print $2}'|awk -F. '{print $1"."$2}'`
326 case "$prodvers" in
327 10.*)
328 add_macosx_version_min ccflags $prodvers
329 add_macosx_version_min ldflags $prodvers
330 ;;
331 *)
332 cat <<EOM >&4
333
334*** Unexpected product version $prodvers.
335***
336*** Try running sw_vers and see what its ProductVersion says.
337
338EOM
339 exit 1
340 esac
341
342 lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
343 ;;
f29f446b 344esac
53d1d41c 345
f556e5b9 346ldlibpthname='DYLD_LIBRARY_PATH';
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347
348# useshrplib=true results in much slower startup times.
763754f3 349# 'false' is the default value. Use Configure -Duseshrplib to override.
f556e5b9 350
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351cat > UU/archname.cbu <<'EOCBU'
352# This script UU/archname.cbu will get 'called-back' by Configure
353# after it has otherwise determined the architecture name.
354case "$ldflags" in
986530ea 355*"-flat_namespace"*) ;; # Backward compat, be flat.
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356# If we are using two-level namespace, we will munge the archname to show it.
357*) archname="${archname}-2level" ;;
358esac
359EOCBU
360
381aa1c3 361# 64-bit addressing support. Currently strictly experimental. DFD 2005-06-06
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362case "$use64bitall" in
363$define|true|[yY]*)
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364case "$osvers" in
365[1-7].*)
366 cat <<EOM >&4
367
368
369
370*** 64-bit addressing is not supported for Mac OS X versions
371*** below 10.4 ("Tiger") or Darwin versions below 8. Please try
c6eb6e8a 372*** again without -Duse64bitall. (-Duse64bitint will work, however.)
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373
374EOM
375 exit 1
376 ;;
377*)
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378 case "$osvers" in
379 8.*)
380 cat <<EOM >&4
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381
382
383
384*** Perl 64-bit addressing support is experimental for Mac OS X
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385*** 10.4 ("Tiger") and Darwin version 8. System V IPC is disabled
386*** due to problems with the 64-bit versions of msgctl, semctl,
387*** and shmctl. You should also expect the following test failures:
388***
3831a787 389*** ext/threads-shared/t/wait (threaded builds only)
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390
391EOM
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392
393 [ "$d_msgctl" ] || d_msgctl='undef'
394 [ "$d_semctl" ] || d_semctl='undef'
395 [ "$d_shmctl" ] || d_shmctl='undef'
396 ;;
397 esac
398
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399 case `uname -p` in
400 powerpc) arch=ppc64 ;;
401 i386) arch=x86_64 ;;
402 *) cat <<EOM >&4
403
404*** Don't recognize processor, can't specify 64 bit compilation.
405
406EOM
407 ;;
408 esac
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409 for var in ccflags cppflags ld ldflags
410 do
3fe25e0f 411 eval $var="\$${var}\ -arch\ $arch"
381aa1c3 412 done
ee94f810 413
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414 ;;
415esac
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416;;
417esac
381aa1c3 418
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419##
420# System libraries
421##
422
423# vfork works
424usevfork='true';
425
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426# malloc wrap works
427case "$usemallocwrap" in
428'') usemallocwrap='define' ;;
429esac
430
e88d9d51 431# our malloc works (but allow users to override)
ec5333ab 432case "$usemymalloc" in
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433'') usemymalloc='n' ;;
434esac
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435# However sbrk() returns -1 (failure) somewhere in lib/unicore/mktables at
436# around 14M, so we need to use system malloc() as our sbrk()
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437#
438# sbrk() in Darwin deprecated since Mavericks (10.9), it still exists
439# in Yosemite (10.10) but that is just an emulation, and fails for
440# allocations beyond 4MB. One should use e.g. mmap instead (or system
441# malloc, as suggested above, that but is kind of backward).
bc961b00 442malloc_cflags='ccflags="-DUSE_PERL_SBRK -DPERL_SBRK_VIA_MALLOC $ccflags"'
2ece6c11 443
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444# Locales aren't feeling well.
445LC_ALL=C; export LC_ALL;
14c11978 446LANG=C; export LANG;
d235852b 447
2590a1d7 448#
14c11978 449# The libraries are not threadsafe as of OS X 10.1.
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450#
451# Fix when Apple fixes libc.
452#
3db8f154 453case "$usethreads$useithreads" in
21328108 454 *define*)
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455 case "$osvers" in
456 [12345].*) cat <<EOM >&4
457
458
2590a1d7 459
4f8ddd77 460*** Warning, there might be problems with your libraries with
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461*** regards to threading. The test ext/threads/t/libc.t is likely
462*** to fail.
4f8ddd77 463
2590a1d7 464EOM
21328108 465 ;;
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466 *) usereentrant='define';;
467 esac
468
2590a1d7 469esac
835bc3f3 470
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471# Fink can install a GDBM library that claims to have the ODBM interfaces
472# but Perl dynaloader cannot for some reason use that library. We don't
473# really need ODBM_FIle, though, so let's just hint ODBM away.
474i_dbm=undef;
475
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476# Configure doesn't detect ranlib on Tiger properly.
477# NeilW says this should be acceptable on all darwin versions.
478ranlib='ranlib'
479
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480# Catch MacPorts gcc/g++ extra libdir
481case "$($cc -v 2>&1)" in
482*"MacPorts gcc"*) loclibpth="$loclibpth /opt/local/lib/libgcc" ;;
483esac
484
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485##
486# Build process
487##
488
489# Case-insensitive filesystems don't get along with Makefile and
490# makefile in the same place. Since Darwin uses GNU make, this dodges
491# the problem.
492firstmakefile=GNUmakefile;