2 # Darwin (Mac OS) hints
3 # Wilfredo Sanchez <wsanchez@wsanchez.net>
10 # Configure hasn't figured out the version number yet. Bummer.
11 perl_revision=`awk '/define[ ]+PERL_REVISION/ {print $3}' $src/patchlevel.h`
12 perl_version=`awk '/define[ ]+PERL_VERSION/ {print $3}' $src/patchlevel.h`
13 perl_subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $src/patchlevel.h`
14 version="${perl_revision}.${perl_version}.${perl_subversion}"
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/${version}"; # Apple-supplied modules
23 '') # Default install; use non-system directories
25 siteprefix='/usr/local';
27 '/usr') # We are building/replacing the built-in perl
32 installusrbinperl='define'; # You knew what you were doing.
33 privlib="/System/Library/Perl/${version}";
34 sitelib="/Library/Perl/${version}";
36 usevendorprefix='define';
38 vendorscript='/usr/bin';
39 vendorlib="/Network/Library/Perl/${version}";
40 # 4BSD uses ${prefix}/share/man, not ${prefix}/man.
41 man1dir='/usr/share/man/man1';
42 man3dir='/usr/share/man/man3';
44 *) # Anything else; use non-system directories, use Configure defaults
52 # Since we can build fat, the archname doesn't need the processor type
60 # Optimizing for size also mean less resident memory usage on the part
61 # of Perl. Apple asserts that this is a more important optimization than
62 # saving on CPU cycles. Given that memory speed has not increased at
63 # pace with CPU speed over time (on any platform), this is probably a
64 # reasonable assertion.
65 if [ -z "${optimize}" ]; then
66 case "`${cc:-gcc} -v 2>&1`" in
67 *"gcc version 3."*) optimize='-Os' ;;
76 # -pipe: makes compilation go faster.
77 # -fno-common because common symbols are not allowed in MH_DYLIB
78 # -DDARWIN: apparently the __APPLE__ is not sanctioned by Apple
79 # as the way to differentiate Mac OS X. (The official line is that
80 # *no* cpp symbol does differentiate Mac OS X.)
81 ccflags="${ccflags} -pipe -fno-common -DDARWIN"
83 # At least on Darwin 1.3.x:
85 # # define INT32_MIN -2147483648
87 # double a = INT32_MIN;
88 # printf ("INT32_MIN=%g\n", a);
92 # INT32_MIN=2.14748e+09
93 # Note that the INT32_MIN has become positive.
94 # INT32_MIN is set in /usr/include/stdint.h by:
95 # #define INT32_MIN -2147483648
96 # which seems to break the gcc. Defining INT32_MIN as (-2147483647-1)
97 # seems to work. INT64_MIN seems to be similarly broken.
98 # -- Nicholas Clark, Ken Williams, and Edward Moy
100 # This seems to have been fixed since at least Mac OS X 10.1.3,
101 # stdint.h defining INT32_MIN as (-INT32_MAX-1)
104 case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
105 *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
108 # Avoid Apple's cpp precompiler, better for extensions
109 cppflags="${cppflags} -no-cpp-precomp"
111 # This is necessary because perl's build system doesn't
112 # apply cppflags to cc compile lines as it should.
113 ccflags="${ccflags} ${cppflags}"
115 # Known optimizer problems.
116 case "`cc -v 2>&1`" in
117 *"3.1 20020105"*) toke_cflags='optimize=""' ;;
120 # Shared library extension is .dylib.
121 # Bundle extension is .bundle.
125 dlsrc='dl_dyld.xs'; usedl='define';
126 cccdlflags=' '; # space, not empty, because otherwise we get -fpic
127 # Perl bundles do not expect two-level namespace, added in Darwin 1.4.
128 # But starting from perl 5.8.1/Darwin 7 the default is the two-level.
131 lddlflags="${ldflags} -bundle -undefined suppress"
134 ldflags="${ldflags} -flat_namespace"
135 lddlflags="${ldflags} -bundle -undefined suppress"
138 ldflags="${ldflags} -flat_namespace"
139 lddlflags="${ldflags} -bundle -undefined suppress"
141 *) lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
143 *MACOSX_DEVELOPMENT_TARGET*) ;;
144 *) ld="MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
148 ldlibpthname='DYLD_LIBRARY_PATH';
150 # useshrplib=true results in much slower startup times.
151 # 'false' is the default value. Use Configure -Duseshrplib to override.
153 cat > UU/archname.cbu <<'EOCBU'
154 # This script UU/archname.cbu will get 'called-back' by Configure
155 # after it has otherwise determined the architecture name.
157 *"-flat_namespace"*) ;; # Backward compat, be flat.
158 # If we are using two-level namespace, we will munge the archname to show it.
159 *) archname="${archname}-2level" ;;
173 # Locales aren't feeling well.
174 LC_ALL=C; export LC_ALL;
178 # The libraries are not threadsafe as of OS X 10.1.
180 # Fix when Apple fixes libc.
182 case "$usethreads$useithreads" in
185 [12345].*) cat <<EOM >&4
189 *** Warning, there might be problems with your libraries with
190 *** regards to threading. The test ext/threads/t/libc.t is likely
195 *) usereentrant='define';;
204 # Case-insensitive filesystems don't get along with Makefile and
205 # makefile in the same place. Since Darwin uses GNU make, this dodges
207 firstmakefile=GNUmakefile;