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Second attempt to fix Devel::Peek test of $ENV{PATH}, after #17956
[perl5.git] / hints / darwin.sh
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1##
2# Darwin (Mac OS) hints
437cf188 3# Wilfredo Sanchez <wsanchez@mit.edu>
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4##
5
6##
7# Paths
8##
9
10# BSD paths
e32f0149 11case "$prefix" in
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12'')
13 # Default install; use non-system directories
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14 prefix='/usr/local'; # Built-in perl uses /usr
15 siteprefix='/usr/local';
16 vendorprefix='/usr/local'; usevendorprefix='define';
17
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18 # Where to put modules.
19 privlib='/Library/Perl'; # Built-in perl uses /System/Library/Perl
20 sitelib='/Library/Perl';
21 vendorlib='/Network/Library/Perl';
22 ;;
23'/usr')
24 # We are building/replacing the built-in perl
25 siteprefix='/usr/local';
26 vendorprefix='/usr/local'; usevendorprefix='define';
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27
28 # Where to put modules.
187122cb 29 privlib='/System/Library/Perl';
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30 sitelib='/Library/Perl';
31 vendorlib='/Network/Library/Perl';
32 ;;
33esac
f556e5b9 34
187122cb 35# 4BSD uses ${prefix}/share/man, not ${prefix}/man.
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36man1dir="${prefix}/share/man/man1";
37man3dir="${prefix}/share/man/man3";
38
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39##
40# Tool chain settings
41##
42
43# Since we can build fat, the archname doesn't need the processor type
44archname='darwin';
45
46# nm works.
47usenm='true';
48
f556e5b9 49# Optimize.
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50if [ "x$optimize" = 'x' ]; then
51 optimize='-O3'
52fi
f556e5b9 53
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54# -pipe: makes compilation go faster.
55# -fno-common: we don't like commons. Common symbols are not allowed
56# in MH_DYLIB binaries, which is what libperl.dylib is. You will fail
57# to link without that option, unless you otherwise eliminate all commons
58# by, for example, initializing all globals.
59# --Fred Sánchez
0ac8ade1 60ccflags="${ccflags} -pipe -fno-common"
f556e5b9 61
4e644a1e 62# At least on Darwin 1.3.x:
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63#
64# # define INT32_MIN -2147483648
65# int main () {
66# double a = INT32_MIN;
67# printf ("INT32_MIN=%g\n", a);
68# return 0;
69# }
70# will output:
71# INT32_MIN=2.14748e+09
72# Note that the INT32_MIN has become positive.
73# INT32_MIN is set in /usr/include/stdint.h by:
74# #define INT32_MIN -2147483648
75# which seems to break the gcc. Defining INT32_MIN as (-2147483647-1)
76# seems to work. INT64_MIN seems to be similarly broken.
77# -- Nicholas Clark, Ken Williams, and Edward Moy
78#
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79# This seems to have been fixed since at least Mac OS X 10.1.3,
80# stdint.h defining INT32_MIN as (-INT32_MAX-1)
81# -- Edward Moy
82#
83case "`grep '^#define INT32_MIN' /usr/include/stdint.h`" in
84*-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
85esac
ccf87481 86
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87# cppflags='-traditional-cpp';
88# avoid Apple's cpp precompiler, better for extensions
89cppflags="${cppflags} -no-cpp-precomp"
65fe0b2a 90# and ccflags needs them as well since we don't use cpp directly
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91ccflags="${ccflags} -no-cpp-precomp"
92
00371ed5 93# Known optimizer problems.
f5520784 94case "`cc -v 2>&1`" in
b1eb02cd 95*"3.1 20020105"*) toke_cflags='optimize=""' ;;
00371ed5 96esac
2ece6c11 97
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98# Shared library extension is .dylib.
99# Bundle extension is .bundle.
100ld='cc';
101so='dylib';
102dlext='bundle';
103dlsrc='dl_dyld.xs'; usedl='define';
c374061b 104cccdlflags=' '; # space, not empty, because otherwise we get -fpic
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105# ldflag: -flat_namespace is only available since OS X 10.1 (Darwin 1.4.1)
106# - but not in 10.0.x (Darwin 1.3.x)
107# -- Kay Roepke
108case "$osvers" in
1091.[0-3].*) ;;
110*) ldflags="${ldflags} -flat_namespace" ;;
111esac
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112lddlflags="${ldflags} -bundle -undefined suppress";
113ldlibpthname='DYLD_LIBRARY_PATH';
114useshrplib='true';
115
116##
117# System libraries
118##
119
120# vfork works
121usevfork='true';
122
123# malloc works
124usemymalloc='n';
2ece6c11 125
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126##
127# Build process
128##
129
130# Locales aren't feeling well.
131LC_ALL=C; export LC_ALL;
14c11978 132LANG=C; export LANG;
d235852b 133
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134# Case-insensitive filesystems don't get along with Makefile and
135# makefile in the same place. Since Darwin uses GNU make, this dodges
136# the problem.
d235852b 137firstmakefile=GNUmakefile;
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138
139#
14c11978 140# The libraries are not threadsafe as of OS X 10.1.
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141#
142# Fix when Apple fixes libc.
143#
144case "$usethreads$useithreads$use5005threads" in
145*define*)
146cat <<EOM >&4
147
4f8ddd77 148*** Warning, there might be problems with your libraries with
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149*** regards to threading. The test ext/threads/t/libc.t is likely
150*** to fail.
4f8ddd77 151
2590a1d7 152EOM
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153 ;;
154esac