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No ODBM for Mac OS X, even if we have Fink GDBM libraries.
[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
16# This was previously used in all but causes three cases
17# (no -Ddprefix=, -Dprefix=/usr, -Dprefix=/some/thing/else)
18# but that caused too much grief.
19# vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules
20
21# BSD paths
22case "$prefix" in
23'') # Default install; use non-system directories
24 prefix='/usr/local';
25 siteprefix='/usr/local';
26 ;;
27'/usr') # We are building/replacing the built-in perl
28 prefix='/';
29 installprefix='/';
30 bin='/usr/bin';
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31 siteprefix='/usr/local';
32 # We don't want /usr/bin/HEAD issues.
33 sitebin='/usr/local/bin';
34 sitescript='/usr/local/bin';
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35 installusrbinperl='define'; # You knew what you were doing.
36 privlib="/System/Library/Perl/${version}";
37 sitelib="/Library/Perl/${version}";
38 vendorprefix='/';
39 usevendorprefix='define';
40 vendorbin='/usr/bin';
41 vendorscript='/usr/bin';
42 vendorlib="/Network/Library/Perl/${version}";
43 # 4BSD uses ${prefix}/share/man, not ${prefix}/man.
44 man1dir='/usr/share/man/man1';
45 man3dir='/usr/share/man/man3';
b69885a6 46 # But users' installs shouldn't touch the system man pages.
8d4e7e39 47 # Transient obsoleted style.
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48 siteman1='/usr/local/share/man/man1';
49 siteman3='/usr/local/share/man/man3';
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50 # New style.
51 siteman1dir='/usr/local/share/man/man1';
52 siteman3dir='/usr/local/share/man/man3';
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53 ;;
54 *) # Anything else; use non-system directories, use Configure defaults
55 ;;
56esac
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57
58##
59# Tool chain settings
60##
61
62# Since we can build fat, the archname doesn't need the processor type
63archname='darwin';
64
65# nm works.
66usenm='true';
67
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68case "$optimize" in
69'')
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70# Optimizing for size also mean less resident memory usage on the part
71# of Perl. Apple asserts that this is a more important optimization than
72# saving on CPU cycles. Given that memory speed has not increased at
73# pace with CPU speed over time (on any platform), this is probably a
74# reasonable assertion.
21328108 75if [ -z "${optimize}" ]; then
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76 case "`${cc:-gcc} -v 2>&1`" in
77 *"gcc version 3."*) optimize='-Os' ;;
78 *) optimize='-O3' ;;
21328108 79 esac
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80else
81 optimize='-O3'
23131aa4 82fi
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83;;
84esac
f556e5b9 85
faf52077 86# -pipe: makes compilation go faster.
21328108 87# -fno-common because common symbols are not allowed in MH_DYLIB
6239f2da 88# -DPERL_DARWIN: apparently the __APPLE__ is not sanctioned by Apple
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89# as the way to differentiate Mac OS X. (The official line is that
90# *no* cpp symbol does differentiate Mac OS X.)
6239f2da 91ccflags="${ccflags} -pipe -fno-common -DPERL_DARWIN"
f556e5b9 92
4e644a1e 93# At least on Darwin 1.3.x:
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94#
95# # define INT32_MIN -2147483648
96# int main () {
97# double a = INT32_MIN;
98# printf ("INT32_MIN=%g\n", a);
99# return 0;
100# }
101# will output:
102# INT32_MIN=2.14748e+09
103# Note that the INT32_MIN has become positive.
104# INT32_MIN is set in /usr/include/stdint.h by:
105# #define INT32_MIN -2147483648
106# which seems to break the gcc. Defining INT32_MIN as (-2147483647-1)
107# seems to work. INT64_MIN seems to be similarly broken.
108# -- Nicholas Clark, Ken Williams, and Edward Moy
109#
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110# This seems to have been fixed since at least Mac OS X 10.1.3,
111# stdint.h defining INT32_MIN as (-INT32_MAX-1)
112# -- Edward Moy
113#
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114case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
115 *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
65fe0b2a 116esac
ccf87481 117
21328108 118# Avoid Apple's cpp precompiler, better for extensions
8f4f83ba 119cppflags="${cppflags} -no-cpp-precomp"
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120
121# This is necessary because perl's build system doesn't
122# apply cppflags to cc compile lines as it should.
123ccflags="${ccflags} ${cppflags}"
4f8ddd77 124
00371ed5 125# Known optimizer problems.
f5520784 126case "`cc -v 2>&1`" in
21328108 127 *"3.1 20020105"*) toke_cflags='optimize=""' ;;
00371ed5 128esac
2ece6c11 129
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130# Shared library extension is .dylib.
131# Bundle extension is .bundle.
132ld='cc';
133so='dylib';
134dlext='bundle';
135dlsrc='dl_dyld.xs'; usedl='define';
c374061b 136cccdlflags=' '; # space, not empty, because otherwise we get -fpic
21328108 137# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
986530ea 138# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
f29f446b 139case "$osvers" in
cb3fc426 1401.[0-3].*)
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141 lddlflags="${ldflags} -bundle -undefined suppress"
142 ;;
1431.*)
144 ldflags="${ldflags} -flat_namespace"
145 lddlflags="${ldflags} -bundle -undefined suppress"
146 ;;
147[2-6].*)
148 ldflags="${ldflags} -flat_namespace"
149 lddlflags="${ldflags} -bundle -undefined suppress"
150 ;;
151*) lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
152 case "$ld" in
153 *MACOSX_DEVELOPMENT_TARGET*) ;;
154 *) ld="MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
155 esac
156 ;;
f29f446b 157esac
f556e5b9 158ldlibpthname='DYLD_LIBRARY_PATH';
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159
160# useshrplib=true results in much slower startup times.
763754f3 161# 'false' is the default value. Use Configure -Duseshrplib to override.
f556e5b9 162
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163cat > UU/archname.cbu <<'EOCBU'
164# This script UU/archname.cbu will get 'called-back' by Configure
165# after it has otherwise determined the architecture name.
166case "$ldflags" in
986530ea 167*"-flat_namespace"*) ;; # Backward compat, be flat.
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168# If we are using two-level namespace, we will munge the archname to show it.
169*) archname="${archname}-2level" ;;
170esac
171EOCBU
172
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173##
174# System libraries
175##
176
177# vfork works
178usevfork='true';
179
e88d9d51 180# our malloc works (but allow users to override)
ec5333ab 181case "$usemymalloc" in
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182'') usemymalloc='n' ;;
183esac
2ece6c11 184
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185# Locales aren't feeling well.
186LC_ALL=C; export LC_ALL;
14c11978 187LANG=C; export LANG;
d235852b 188
2590a1d7 189#
14c11978 190# The libraries are not threadsafe as of OS X 10.1.
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191#
192# Fix when Apple fixes libc.
193#
3db8f154 194case "$usethreads$useithreads" in
21328108 195 *define*)
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196 case "$osvers" in
197 [12345].*) cat <<EOM >&4
198
199
2590a1d7 200
4f8ddd77 201*** Warning, there might be problems with your libraries with
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202*** regards to threading. The test ext/threads/t/libc.t is likely
203*** to fail.
4f8ddd77 204
2590a1d7 205EOM
21328108 206 ;;
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207 *) usereentrant='define';;
208 esac
209
2590a1d7 210esac
835bc3f3 211
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212# Fink can install a GDBM library that claims to have the ODBM interfaces
213# but Perl dynaloader cannot for some reason use that library. We don't
214# really need ODBM_FIle, though, so let's just hint ODBM away.
215i_dbm=undef;
216
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217##
218# Build process
219##
220
221# Case-insensitive filesystems don't get along with Makefile and
222# makefile in the same place. Since Darwin uses GNU make, this dodges
223# the problem.
224firstmakefile=GNUmakefile;