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/${version}"; # Apple-supplied modules
24 # Default install; use non-system directories
25 prefix='/usr/local'; # Built-in perl uses /usr
26 siteprefix='/usr/local';
27 # Where to put modules.
28 sitelib="/Library/Perl/${version}"; # FIXME: Want "/Network/Perl/${version}" also
29 # 4BSD uses ${prefix}/share/man, not ${prefix}/man.
30 man1dir='/usr/share/man/man1';
31 man3dir='/usr/share/man/man3';
33 *) # Anything else; use non-system directories
41 # Since we can build fat, the archname doesn't need the processor type
49 # Optimizing for size also mean less resident memory usage on the part
50 # of Perl. Apple asserts that this is a more important optimization than
51 # saving on CPU cycles. Given that memory speed has not increased at
52 # pace with CPU speed over time (on any platform), this is probably a
53 # reasonable assertion.
54 if [ -z "${optimize}" ]; then
55 case "`${cc:-gcc} -v 2>&1`" in
56 *"gcc version 3."*) optimize='-Os' ;;
65 # -pipe: makes compilation go faster.
66 # -fno-common because common symbols are not allowed in MH_DYLIB
67 # -DDARWIN: apparently the __APPLE__ is not sanctioned by Apple
68 # as the way to differentiate Mac OS X. (The official line is that
69 # *no* cpp symbol does differentiate Mac OS X.)
70 ccflags="${ccflags} -pipe -fno-common -DDARWIN"
72 # At least on Darwin 1.3.x:
74 # # define INT32_MIN -2147483648
76 # double a = INT32_MIN;
77 # printf ("INT32_MIN=%g\n", a);
81 # INT32_MIN=2.14748e+09
82 # Note that the INT32_MIN has become positive.
83 # INT32_MIN is set in /usr/include/stdint.h by:
84 # #define INT32_MIN -2147483648
85 # which seems to break the gcc. Defining INT32_MIN as (-2147483647-1)
86 # seems to work. INT64_MIN seems to be similarly broken.
87 # -- Nicholas Clark, Ken Williams, and Edward Moy
89 # This seems to have been fixed since at least Mac OS X 10.1.3,
90 # stdint.h defining INT32_MIN as (-INT32_MAX-1)
93 case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
94 *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
97 # Avoid Apple's cpp precompiler, better for extensions
98 cppflags="${cppflags} -no-cpp-precomp"
100 # This is necessary because perl's build system doesn't
101 # apply cppflags to cc compile lines as it should.
102 ccflags="${ccflags} ${cppflags}"
104 # Known optimizer problems.
105 case "`cc -v 2>&1`" in
106 *"3.1 20020105"*) toke_cflags='optimize=""' ;;
109 # Shared library extension is .dylib.
110 # Bundle extension is .bundle.
114 dlsrc='dl_dyld.xs'; usedl='define';
115 cccdlflags=' '; # space, not empty, because otherwise we get -fpic
116 # Perl bundles do not expect two-level namespace, added in Darwin 1.4.
117 # But starting from perl 5.8.1/Darwin 7 the default is the two-level.
120 lddlflags="${ldflags} -bundle -undefined suppress"
123 ldflags="${ldflags} -flat_namespace"
124 lddlflags="${ldflags} -bundle -undefined suppress"
127 ldflags="${ldflags} -flat_namespace"
128 lddlflags="${ldflags} -bundle -undefined suppress"
130 *) lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
132 *MACOSX_DEVELOPMENT_TARGET*) ;;
133 *) ld="MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
137 ldlibpthname='DYLD_LIBRARY_PATH';
139 # useshrplib=true results in much slower startup times.
140 # 'false' is the default value. Use Configure -Duseshrplib to override.
142 cat > UU/archname.cbu <<'EOCBU'
143 # This script UU/archname.cbu will get 'called-back' by Configure
144 # after it has otherwise determined the architecture name.
146 *"-flat_namespace"*) ;; # Backward compat, be flat.
147 # If we are using two-level namespace, we will munge the archname to show it.
148 *) archname="${archname}-2level" ;;
162 # Locales aren't feeling well.
163 LC_ALL=C; export LC_ALL;
167 # The libraries are not threadsafe as of OS X 10.1.
169 # Fix when Apple fixes libc.
171 case "$usethreads$useithreads" in
174 [12345].*) cat <<EOM >&4
178 *** Warning, there might be problems with your libraries with
179 *** regards to threading. The test ext/threads/t/libc.t is likely
184 *) usereentrant='define';;
193 # Case-insensitive filesystems don't get along with Makefile and
194 # makefile in the same place. Since Darwin uses GNU make, this dodges
196 firstmakefile=GNUmakefile;