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hv_delete_common was freeing the key, then passing the freed pointer
[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 [perl #24122]
17d_setregid='undef'
18d_setreuid='undef'
19d_setrgid='undef'
20d_setruid='undef'
21
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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';
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37 siteprefix='/usr/local';
38 # We don't want /usr/bin/HEAD issues.
39 sitebin='/usr/local/bin';
40 sitescript='/usr/local/bin';
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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 ${prefix}/man.
50 man1dir='/usr/share/man/man1';
51 man3dir='/usr/share/man/man3';
b69885a6 52 # But users' installs shouldn't touch the system man pages.
8d4e7e39 53 # Transient obsoleted style.
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54 siteman1='/usr/local/share/man/man1';
55 siteman3='/usr/local/share/man/man3';
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56 # New style.
57 siteman1dir='/usr/local/share/man/man1';
58 siteman3dir='/usr/local/share/man/man3';
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59 ;;
60 *) # Anything else; use non-system directories, use Configure defaults
61 ;;
62esac
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63
64##
65# Tool chain settings
66##
67
68# Since we can build fat, the archname doesn't need the processor type
69archname='darwin';
70
71# nm works.
72usenm='true';
73
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74case "$optimize" in
75'')
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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 "${optimize}" ]; then
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82 case "`${cc:-gcc} -v 2>&1`" in
83 *"gcc version 3."*) optimize='-Os' ;;
84 *) optimize='-O3' ;;
21328108 85 esac
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86else
87 optimize='-O3'
23131aa4 88fi
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89;;
90esac
f556e5b9 91
faf52077 92# -pipe: makes compilation go faster.
21328108 93# -fno-common because common symbols are not allowed in MH_DYLIB
6239f2da 94# -DPERL_DARWIN: apparently the __APPLE__ is not sanctioned by Apple
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95# as the way to differentiate Mac OS X. (The official line is that
96# *no* cpp symbol does differentiate Mac OS X.)
6239f2da 97ccflags="${ccflags} -pipe -fno-common -DPERL_DARWIN"
f556e5b9 98
4e644a1e 99# At least on Darwin 1.3.x:
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100#
101# # define INT32_MIN -2147483648
102# int main () {
103# double a = INT32_MIN;
104# printf ("INT32_MIN=%g\n", a);
105# return 0;
106# }
107# will output:
108# INT32_MIN=2.14748e+09
109# Note that the INT32_MIN has become positive.
110# INT32_MIN is set in /usr/include/stdint.h by:
111# #define INT32_MIN -2147483648
112# which seems to break the gcc. Defining INT32_MIN as (-2147483647-1)
113# seems to work. INT64_MIN seems to be similarly broken.
114# -- Nicholas Clark, Ken Williams, and Edward Moy
115#
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116# This seems to have been fixed since at least Mac OS X 10.1.3,
117# stdint.h defining INT32_MIN as (-INT32_MAX-1)
118# -- Edward Moy
119#
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120case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
121 *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
65fe0b2a 122esac
ccf87481 123
21328108 124# Avoid Apple's cpp precompiler, better for extensions
8f4f83ba 125cppflags="${cppflags} -no-cpp-precomp"
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126
127# This is necessary because perl's build system doesn't
128# apply cppflags to cc compile lines as it should.
129ccflags="${ccflags} ${cppflags}"
4f8ddd77 130
00371ed5 131# Known optimizer problems.
f5520784 132case "`cc -v 2>&1`" in
21328108 133 *"3.1 20020105"*) toke_cflags='optimize=""' ;;
00371ed5 134esac
2ece6c11 135
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136# Shared library extension is .dylib.
137# Bundle extension is .bundle.
138ld='cc';
139so='dylib';
140dlext='bundle';
141dlsrc='dl_dyld.xs'; usedl='define';
c374061b 142cccdlflags=' '; # space, not empty, because otherwise we get -fpic
21328108 143# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
986530ea 144# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
f29f446b 145case "$osvers" in
cb3fc426 1461.[0-3].*)
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147 lddlflags="${ldflags} -bundle -undefined suppress"
148 ;;
1491.*)
150 ldflags="${ldflags} -flat_namespace"
151 lddlflags="${ldflags} -bundle -undefined suppress"
152 ;;
153[2-6].*)
154 ldflags="${ldflags} -flat_namespace"
155 lddlflags="${ldflags} -bundle -undefined suppress"
156 ;;
157*) lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
158 case "$ld" in
159 *MACOSX_DEVELOPMENT_TARGET*) ;;
77397dcf 160 *) ld="env MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
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161 esac
162 ;;
f29f446b 163esac
f556e5b9 164ldlibpthname='DYLD_LIBRARY_PATH';
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165
166# useshrplib=true results in much slower startup times.
763754f3 167# 'false' is the default value. Use Configure -Duseshrplib to override.
f556e5b9 168
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169cat > UU/archname.cbu <<'EOCBU'
170# This script UU/archname.cbu will get 'called-back' by Configure
171# after it has otherwise determined the architecture name.
172case "$ldflags" in
986530ea 173*"-flat_namespace"*) ;; # Backward compat, be flat.
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174# If we are using two-level namespace, we will munge the archname to show it.
175*) archname="${archname}-2level" ;;
176esac
177EOCBU
178
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179##
180# System libraries
181##
182
183# vfork works
184usevfork='true';
185
e88d9d51 186# our malloc works (but allow users to override)
ec5333ab 187case "$usemymalloc" in
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188'') usemymalloc='n' ;;
189esac
2ece6c11 190
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191# Locales aren't feeling well.
192LC_ALL=C; export LC_ALL;
14c11978 193LANG=C; export LANG;
d235852b 194
2590a1d7 195#
14c11978 196# The libraries are not threadsafe as of OS X 10.1.
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197#
198# Fix when Apple fixes libc.
199#
3db8f154 200case "$usethreads$useithreads" in
21328108 201 *define*)
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202 case "$osvers" in
203 [12345].*) cat <<EOM >&4
204
205
2590a1d7 206
4f8ddd77 207*** Warning, there might be problems with your libraries with
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208*** regards to threading. The test ext/threads/t/libc.t is likely
209*** to fail.
4f8ddd77 210
2590a1d7 211EOM
21328108 212 ;;
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213 *) usereentrant='define';;
214 esac
215
2590a1d7 216esac
835bc3f3 217
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218# Fink can install a GDBM library that claims to have the ODBM interfaces
219# but Perl dynaloader cannot for some reason use that library. We don't
220# really need ODBM_FIle, though, so let's just hint ODBM away.
221i_dbm=undef;
222
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223##
224# Build process
225##
226
227# Case-insensitive filesystems don't get along with Makefile and
228# makefile in the same place. Since Darwin uses GNU make, this dodges
229# the problem.
230firstmakefile=GNUmakefile;