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No such thing as MACOSX_DEVELOPMENT_TARGET.
[perl5.git] / hints / darwin.sh
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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)
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217# 2.2.1 (gcc 3.3)
218# 2.5 ?
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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)
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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)
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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)
970b4e2b 228# 4.3.3 (clang 3.1 as 3.1/318.0.61)
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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)
730ddfe8 234# 5.1.1 (clang 3.4 as 5.1/503.0.40)
970b4e2b 235# Mavericks 10.9.x 13.x.y 6.0.1 (clang 3.5 as 6.0/600.0.51)
8a035c8d 236# 6.1 (clang 3.5 as 6.0/600.0.54)
730ddfe8 237# 6.1.1 (clang 3.5 as 6.0/600.0.56)
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238# 6.2 (clang 3.5 as 6.0/600.0.57)
239# Yosemite 10.10.x 14.x.y 6.3 (clang 3.6 as 6.1/602.0.49)
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240# 6.3.1 (clang 3.6 as 6.1/602.0.49)
241# 6.3.2 (clang 3.6 as 6.1/602.0.53)
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242# El Capitan 10.11.x 15.x.y 7.0 (clang 3.7 as 7.0/700.0.72)
243# 7.1 (clang 3.7 as 7.0/700.1.76)
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244# 7.2 (clang 3.7 as 7.0.2/700.1.81)
245# 7.2.1 (clang 3.7 as 7.0.2/700.1.81)
246# 7.3 (clang 3.7 as 7.3.0/703.0.29)
970b4e2b 247#
53d1d41c 248
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249# Processors Supported
250#
251# PowerPC (PPC): 10.0.x - 10.5.8 (final 10.5.x)
252# PowerPC via Rosetta: 10.4.4 - 10.6.8 (final 10.6.x)
253# IA-32: 10.4.4 - 10.6.8 (though still supported on x86-64)
254# x86-64: 10.4.7 - current
255
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256# MACOSX_DEPLOYMENT_TARGET selects the minimum OS level we want to support
257#
258# It is needed for OS releases before 10.6.
259#
260# https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/cross_development/Configuring/configuring.html
261#
262# If it is set, we also propagate its value to ccflags and ldflags
263# using the -mmacosx-version-min flag. If it is not set, we use
264# the OS X release as the min value for the flag.
265
266# Adds "-mmacosx-version-min=$2" to "$1" unless it already is there.
267add_macosx_version_min () {
268 local v
269 eval "v=\$$1"
270 case " $v " in
271 *"-mmacosx-version-min"*)
272 echo "NOT adding -mmacosx-version-min=$2 to $1 ($v)" >&4
273 ;;
274 *) echo "Adding -mmacosx-version-min=$2 to $1" >&4
275 eval "$1='$v -mmacosx-version-min=$2'"
276 ;;
277 esac
278}
279
21328108 280# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
986530ea 281# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
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282case "$osvers" in # Note: osvers is the kernel version, not the 10.x
2831.[0-3].*) # OS X 10.0.x
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284 lddlflags="${ldflags} -bundle -undefined suppress"
285 ;;
53d1d41c 2861.*) # OS X 10.1
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287 ldflags="${ldflags} -flat_namespace"
288 lddlflags="${ldflags} -bundle -undefined suppress"
289 ;;
53d1d41c 290[2-6].*) # OS X 10.1.x - 10.2.x (though [2-4] never existed publicly)
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291 ldflags="${ldflags} -flat_namespace"
292 lddlflags="${ldflags} -bundle -undefined suppress"
293 ;;
53d1d41c 294[7-9].*) # OS X 10.3.x - 10.5.x
e800eb2e 295 lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
986530ea 296 case "$ld" in
970ebd6f 297 *MACOSX_DEPLOYMENT_TARGET*) ;;
e800eb2e 298 *) ld="env MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
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299 esac
300 ;;
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301*) # OS X 10.6.x - current
302 # The MACOSX_DEPLOYMENT_TARGET is not needed,
303 # but the -mmacosx-version-min option is always used.
304
305 # We now use MACOSX_DEPLOYMENT_TARGET, if set, as an override by
306 # capturing its value and adding it to the flags.
307 case "$MACOSX_DEPLOYMENT_TARGET" in
308 10.*)
309 add_macosx_version_min ccflags $MACOSX_DEPLOYMENT_TARGET
310 add_macosx_version_min ldflags $MACOSX_DEPLOYMENT_TARGET
311 ;;
312 '')
313 # Empty MACOSX_DEPLOYMENT_TARGET is okay.
314 ;;
315 *)
316 cat <<EOM >&4
317
318*** Unexpected MACOSX_DEPLOYMENT_TARGET=$MACOSX_DEPLOYMENT_TARGET
319***
320*** Please either set it to 10.something, or to empty.
321
322EOM
323 exit 1
324 ;;
325 esac
326
327 # Keep the prodvers leading whitespace (Configure magic).
328 # Cannot use $osvers here since that is the kernel version.
329 # sw_vers output what we want
330 # "ProductVersion: 10.10.5" "10.10"
331 # "ProductVersion: 10.11" "10.11"
332 prodvers=`sw_vers|awk '/^ProductVersion:/{print $2}'|awk -F. '{print $1"."$2}'`
333 case "$prodvers" in
334 10.*)
335 add_macosx_version_min ccflags $prodvers
336 add_macosx_version_min ldflags $prodvers
337 ;;
338 *)
339 cat <<EOM >&4
340
341*** Unexpected product version $prodvers.
342***
343*** Try running sw_vers and see what its ProductVersion says.
344
345EOM
346 exit 1
347 esac
348
349 lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
350 ;;
f29f446b 351esac
53d1d41c 352
f556e5b9 353ldlibpthname='DYLD_LIBRARY_PATH';
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354
355# useshrplib=true results in much slower startup times.
763754f3 356# 'false' is the default value. Use Configure -Duseshrplib to override.
f556e5b9 357
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358cat > UU/archname.cbu <<'EOCBU'
359# This script UU/archname.cbu will get 'called-back' by Configure
360# after it has otherwise determined the architecture name.
361case "$ldflags" in
986530ea 362*"-flat_namespace"*) ;; # Backward compat, be flat.
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363# If we are using two-level namespace, we will munge the archname to show it.
364*) archname="${archname}-2level" ;;
365esac
366EOCBU
367
381aa1c3 368# 64-bit addressing support. Currently strictly experimental. DFD 2005-06-06
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369case "$use64bitall" in
370$define|true|[yY]*)
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371case "$osvers" in
372[1-7].*)
373 cat <<EOM >&4
374
375
376
377*** 64-bit addressing is not supported for Mac OS X versions
378*** below 10.4 ("Tiger") or Darwin versions below 8. Please try
c6eb6e8a 379*** again without -Duse64bitall. (-Duse64bitint will work, however.)
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380
381EOM
382 exit 1
383 ;;
384*)
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385 case "$osvers" in
386 8.*)
387 cat <<EOM >&4
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388
389
390
391*** Perl 64-bit addressing support is experimental for Mac OS X
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392*** 10.4 ("Tiger") and Darwin version 8. System V IPC is disabled
393*** due to problems with the 64-bit versions of msgctl, semctl,
394*** and shmctl. You should also expect the following test failures:
395***
3831a787 396*** ext/threads-shared/t/wait (threaded builds only)
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397
398EOM
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399
400 [ "$d_msgctl" ] || d_msgctl='undef'
401 [ "$d_semctl" ] || d_semctl='undef'
402 [ "$d_shmctl" ] || d_shmctl='undef'
403 ;;
404 esac
405
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406 case `uname -p` in
407 powerpc) arch=ppc64 ;;
408 i386) arch=x86_64 ;;
409 *) cat <<EOM >&4
410
411*** Don't recognize processor, can't specify 64 bit compilation.
412
413EOM
414 ;;
415 esac
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416 for var in ccflags cppflags ld ldflags
417 do
3fe25e0f 418 eval $var="\$${var}\ -arch\ $arch"
381aa1c3 419 done
ee94f810 420
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421 ;;
422esac
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423;;
424esac
381aa1c3 425
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426##
427# System libraries
428##
429
430# vfork works
431usevfork='true';
432
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NC
433# malloc wrap works
434case "$usemallocwrap" in
435'') usemallocwrap='define' ;;
436esac
437
e88d9d51 438# our malloc works (but allow users to override)
ec5333ab 439case "$usemymalloc" in
e88d9d51
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440'') usemymalloc='n' ;;
441esac
bc961b00
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442# However sbrk() returns -1 (failure) somewhere in lib/unicore/mktables at
443# around 14M, so we need to use system malloc() as our sbrk()
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444#
445# sbrk() in Darwin deprecated since Mavericks (10.9), it still exists
446# in Yosemite (10.10) but that is just an emulation, and fails for
447# allocations beyond 4MB. One should use e.g. mmap instead (or system
448# malloc, as suggested above, that but is kind of backward).
bc961b00 449malloc_cflags='ccflags="-DUSE_PERL_SBRK -DPERL_SBRK_VIA_MALLOC $ccflags"'
2ece6c11 450
d235852b
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451# Locales aren't feeling well.
452LC_ALL=C; export LC_ALL;
14c11978 453LANG=C; export LANG;
d235852b 454
2590a1d7 455#
14c11978 456# The libraries are not threadsafe as of OS X 10.1.
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457#
458# Fix when Apple fixes libc.
459#
3db8f154 460case "$usethreads$useithreads" in
21328108 461 *define*)
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462 case "$osvers" in
463 [12345].*) cat <<EOM >&4
464
465
2590a1d7 466
4f8ddd77 467*** Warning, there might be problems with your libraries with
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468*** regards to threading. The test ext/threads/t/libc.t is likely
469*** to fail.
4f8ddd77 470
2590a1d7 471EOM
21328108 472 ;;
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473 *) usereentrant='define';;
474 esac
475
2590a1d7 476esac
835bc3f3 477
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478# Fink can install a GDBM library that claims to have the ODBM interfaces
479# but Perl dynaloader cannot for some reason use that library. We don't
480# really need ODBM_FIle, though, so let's just hint ODBM away.
481i_dbm=undef;
482
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483# Configure doesn't detect ranlib on Tiger properly.
484# NeilW says this should be acceptable on all darwin versions.
485ranlib='ranlib'
486
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487# Catch MacPorts gcc/g++ extra libdir
488case "$($cc -v 2>&1)" in
489*"MacPorts gcc"*) loclibpth="$loclibpth /opt/local/lib/libgcc" ;;
490esac
491
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492##
493# Build process
494##
495
496# Case-insensitive filesystems don't get along with Makefile and
497# makefile in the same place. Since Darwin uses GNU make, this dodges
498# the problem.
499firstmakefile=GNUmakefile;
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500
501# Parts of the system call setenv(), in particular in an atfork handler.
502# This causes problems when the child tries to clean up environ[], so
503# let libc manage environ[].
504cat >> config.over <<'EOOVER'
505if test "$d_unsetenv" = "$define" -a \
506 `expr "$ccflags" : '.*-DPERL_USE_SAFE_PUTENV'` -eq 0; then
507 ccflags="$ccflags -DPERL_USE_SAFE_PUTENV"
508fi
509EOOVER