##
# Darwin (Mac OS) hints
-# Wilfredo Sanchez <wsanchez@apple.com>
+# Wilfredo Sanchez <wsanchez@wsanchez.net>
##
##
# Paths
##
+# Configure hasn't figured out the version number yet. Bummer.
+perl_revision=`awk '/define[ ]+PERL_REVISION/ {print $3}' $src/patchlevel.h`
+perl_version=`awk '/define[ ]+PERL_VERSION/ {print $3}' $src/patchlevel.h`
+perl_subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $src/patchlevel.h`
+version="${perl_revision}.${perl_version}.${perl_subversion}"
+
# BSD paths
-prefix='/usr';
-siteprefix='/usr/local';
-vendorprefix='/usr/local'; usevendorprefix='define';
+case "$prefix" in
+ '')
+ # Default install; use non-system directories
+ prefix='/usr/local'; # Built-in perl uses /usr
+ siteprefix='/usr/local';
+ vendorprefix='/usr'; usevendorprefix='define';
+
+ # Where to put modules.
+ sitelib="/Library/Perl/${version}"; # FIXME: Want "/Network/Perl/${version}" also
+ vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules
+ ;;
+
+ '/usr')
+ # We are building/replacing the built-in perl
+ siteprefix='/usr/local';
+ vendorprefix='/usr/local'; usevendorprefix='define';
-# 4BSD uses /usr/share/man, not /usr/man.
-# Don't put man pages in /usr/lib; that's goofy.
-man1dir='/usr/share/man/man1';
-man3dir='/usr/share/man/man3';
+ # Where to put modules.
+ sitelib="/Library/Perl/${version}"; # FIXME: Want "/Network/Perl/${version}" also
+ vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules
+ ;;
+esac
-# Where to put modules.
-privlib='/System/Library/Perl';
-sitelib='/Local/Library/Perl';
-vendorlib='/Network/Library/Perl';
+# 4BSD uses ${prefix}/share/man, not ${prefix}/man.
+man1dir="${prefix}/share/man/man1";
+man3dir="${prefix}/share/man/man3";
##
# Tool chain settings
# nm works.
usenm='true';
-# Libc is in libsystem.
-libc='/System/Library/Frameworks/System.framework/System';
+case "$optimize" in
+'')
+# Optimizing for size also mean less resident memory usage on the part
+# of Perl. Apple asserts that this is a more important optimization than
+# saving on CPU cycles. Given that memory speed has not increased at
+# pace with CPU speed over time (on any platform), this is probably a
+# reasonable assertion.
+if [ -z "${optimize}" ]; then
+ case "`${cc:-gcc} -v 2>&1`" in
+ *"gcc version 3."*) optimize='-Os' ;;
+ *) optimize='-O3' ;;
+ esac
+else
+ optimize='-O3'
+fi
+;;
+esac
+
+# -pipe: makes compilation go faster.
+# -fno-common because common symbols are not allowed in MH_DYLIB
+# -DDARWIN: apparently the __APPLE__ is not sanctioned by Apple
+# as the way to differentiate Mac OS X. (The official line is that
+# *no* cpp symbol does differentiate Mac OS X.)
+ccflags="${ccflags} -pipe -fno-common -DDARWIN"
+
+# At least on Darwin 1.3.x:
+#
+# # define INT32_MIN -2147483648
+# int main () {
+# double a = INT32_MIN;
+# printf ("INT32_MIN=%g\n", a);
+# return 0;
+# }
+# will output:
+# INT32_MIN=2.14748e+09
+# Note that the INT32_MIN has become positive.
+# INT32_MIN is set in /usr/include/stdint.h by:
+# #define INT32_MIN -2147483648
+# which seems to break the gcc. Defining INT32_MIN as (-2147483647-1)
+# seems to work. INT64_MIN seems to be similarly broken.
+# -- Nicholas Clark, Ken Williams, and Edward Moy
+#
+# This seems to have been fixed since at least Mac OS X 10.1.3,
+# stdint.h defining INT32_MIN as (-INT32_MAX-1)
+# -- Edward Moy
+#
+case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
+ *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
+esac
-# Optimize.
-optimize='-O3';
+# Avoid Apple's cpp precompiler, better for extensions
+cppflags="${cppflags} -no-cpp-precomp"
-# We have a prototype for telldir.
-ccflags="${ccflags} -pipe -fno-common -DHAS_TELLDIR_PROTOTYPE";
+# This is necessary because perl's build system doesn't
+# apply cppflags to cc compile lines as it should.
+ccflags="${ccflags} ${cppflags}"
+
+# Known optimizer problems.
+case "`cc -v 2>&1`" in
+ *"3.1 20020105"*) toke_cflags='optimize=""' ;;
+esac
# Shared library extension is .dylib.
# Bundle extension is .bundle.
dlext='bundle';
dlsrc='dl_dyld.xs'; usedl='define';
cccdlflags=' '; # space, not empty, because otherwise we get -fpic
-lddlflags="${ldflags} -bundle -undefined suppress";
+# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
+# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
+case "$osvers" in
+1.[0-3].*)
+ lddlflags="${ldflags} -bundle -undefined suppress"
+ ;;
+1.*)
+ ldflags="${ldflags} -flat_namespace"
+ lddlflags="${ldflags} -bundle -undefined suppress"
+ ;;
+[2-6].*)
+ ldflags="${ldflags} -flat_namespace"
+ lddlflags="${ldflags} -bundle -undefined suppress"
+ ;;
+*) lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
+ case "$ld" in
+ *MACOSX_DEVELOPMENT_TARGET*) ;;
+ *) ld="MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
+ esac
+ ;;
+esac
ldlibpthname='DYLD_LIBRARY_PATH';
-useshrplib='true';
+
+# useshrplib=true results in much slower startup times.
+# 'false' is the default value. Use Configure -Duseshrplib to override.
+
+cat > UU/archname.cbu <<'EOCBU'
+# This script UU/archname.cbu will get 'called-back' by Configure
+# after it has otherwise determined the architecture name.
+case "$ldflags" in
+*"-flat_namespace"*) ;; # Backward compat, be flat.
+# If we are using two-level namespace, we will munge the archname to show it.
+*) archname="${archname}-2level" ;;
+esac
+EOCBU
##
# System libraries
# malloc works
usemymalloc='n';
+
+# Locales aren't feeling well.
+LC_ALL=C; export LC_ALL;
+LANG=C; export LANG;
+
+#
+# The libraries are not threadsafe as of OS X 10.1.
+#
+# Fix when Apple fixes libc.
+#
+case "$usethreads$useithreads" in
+ *define*)
+ case "$osvers" in
+ [12345].*) cat <<EOM >&4
+
+
+
+*** Warning, there might be problems with your libraries with
+*** regards to threading. The test ext/threads/t/libc.t is likely
+*** to fail.
+
+EOM
+ ;;
+ *) usereentrant='define';;
+ esac
+
+esac
+
+##
+# Build process
+##
+
+# Case-insensitive filesystems don't get along with Makefile and
+# makefile in the same place. Since Darwin uses GNU make, this dodges
+# the problem.
+firstmakefile=GNUmakefile;