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diff --git a/hints/darwin.sh b/hints/darwin.sh
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+##
+# Darwin (Mac OS) hints
+# Wilfredo Sanchez <wsanchez@mit.edu>
+##
+
+##
+# Paths
+##
+
+# BSD paths
+case "$prefix" in
+'')
+	# Default install; use non-system directories
+	prefix='/usr/local'; # Built-in perl uses /usr
+	siteprefix='/usr/local';
+	vendorprefix='/usr/local'; usevendorprefix='define';
+
+	# Where to put modules.
+	privlib='/Library/Perl'; # Built-in perl uses /System/Library/Perl
+	sitelib='/Library/Perl';
+	vendorlib='/Network/Library/Perl';
+	;;
+'/usr')
+	# We are building/replacing the built-in perl
+	siteprefix='/usr/local';
+	vendorprefix='/usr/local'; usevendorprefix='define';
+
+	# Where to put modules.
+	privlib='/System/Library/Perl';
+	sitelib='/Library/Perl';
+	vendorlib='/Network/Library/Perl';
+	;;
+esac
+
+# 4BSD uses ${prefix}/share/man, not ${prefix}/man.
+man1dir="${prefix}/share/man/man1";
+man3dir="${prefix}/share/man/man3";
+
+##
+# Tool chain settings
+##
+
+# Since we can build fat, the archname doesn't need the processor type
+archname='darwin';
+
+# nm works.
+usenm='true';
+
+# Optimize.
+if [ "x$optimize" = 'x' ]; then
+    optimize='-O3'
+fi
+
+# -pipe: makes compilation go faster.
+# -fno-common: we don't like commons.  Common symbols are not allowed
+# in MH_DYLIB binaries, which is what libperl.dylib is.  You will fail
+# to link without that option, unless you otherwise eliminate all commons
+# by, for example, initializing all globals.
+# --Fred Sánchez
+ccflags="${ccflags} -pipe -fno-common"
+
+# At least on Darwin 1.3.x:
+#
+# # define INT32_MIN -2147483648
+# int main () {
+#  double a = INT32_MIN;
+#  printf ("INT32_MIN=%g\n", a);
+#  return 0;
+# }
+# will output:
+# INT32_MIN=2.14748e+09
+# Note that the INT32_MIN has become positive.
+# INT32_MIN is set in /usr/include/stdint.h by:
+# #define INT32_MIN        -2147483648
+# which seems to break the gcc.  Defining INT32_MIN as (-2147483647-1)
+# seems to work.  INT64_MIN seems to be similarly broken.
+# -- Nicholas Clark, Ken Williams, and Edward Moy
+#
+ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN"
+
+# cppflags='-traditional-cpp';
+# avoid Apple's cpp precompiler, better for extensions
+cppflags="${cppflags} -no-cpp-precomp"
+# and ccflags needs them aswell since we don't use cpp directly
+ccflags="${ccflags} -no-cpp-precomp"
+
+# 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.
+ld='cc';
+so='dylib';
+dlext='bundle';
+dlsrc='dl_dyld.xs'; usedl='define';
+cccdlflags=' '; # space, not empty, because otherwise we get -fpic
+# ldflag: -flat_namespace is only available since OS X 10.1 (Darwin 1.4.1)
+#    - but not in 10.0.x (Darwin 1.3.x)
+# -- Kay Roepke
+case "$osvers" in
+1.[0-3].*)	;;
+*)		ldflags="${ldflags} -flat_namespace" ;;
+esac
+lddlflags="${ldflags} -bundle -undefined suppress";
+ldlibpthname='DYLD_LIBRARY_PATH';
+useshrplib='true';
+
+##
+# System libraries
+##
+
+# vfork works
+usevfork='true';
+
+# malloc works
+usemymalloc='n';
+
+##
+# Build process
+##
+
+# Locales aren't feeling well.
+LC_ALL=C; export LC_ALL;
+LANG=C; export LANG;
+
+# Case-insensitive filesystems don't get along with Makefile and
+# makefile in the same place.  Since Darwin uses GNU make, this dodges
+# the problem.
+firstmakefile=GNUmakefile;
+
+#
+# The libraries are not threadsafe as of OS X 10.1.
+#
+# Fix when Apple fixes libc.
+#
+case "$usethreads$useithreads$use5005threads" in
+*define*)
+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
+	;;
+esac