##
# Darwin (Mac OS) hints
-# Wilfredo Sanchez <wsanchez@apple.com>
+# Wilfredo Sanchez <wsanchez@mit.edu>
##
##
##
# BSD paths
-prefix='/usr';
-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.
-privlib='/System/Library/Perl';
-sitelib='/Local/Library/Perl';
-vendorlib='/Network/Library/Perl';
+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="${prefix}/share/man/man3";
##
# Tool chain settings
# nm works.
usenm='true';
-# Libc is in libsystem.
-libc='/System/Library/Frameworks/System.framework/System';
-
# Optimize.
-optimize='-O3';
-
-# We have a prototype for telldir.
-ccflags="${ccflags} -pipe -fno-common -DHAS_TELLDIR_PROTOTYPE";
-
-# For Errno.
-cppflags='-traditional-cpp';
+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="${ccflags} -no-cpp-precomp"
+
+# Known optimizer problems.
+case "`cc -v 2>&1`" in
+*"3.1 20020105"*) toke_cflags='optimize=""' ;;
+esac
# Shared library extension is .dylib.
# Bundle extension is .bundle.
dlext='bundle';
dlsrc='dl_dyld.xs'; usedl='define';
cccdlflags=' '; # space, not empty, because otherwise we get -fpic
+# ldflag: -flat_namespace is only available since OS X 10.1 (Darwin 1.4.1)
+# - but not in 10.0.x (Darwin 1.3.x)
+# -- Kay Roepke
+case "$osvers" in
+1.[0-3].*) ;;
+*) ldflags="${ldflags} -flat_namespace" ;;
+esac
lddlflags="${ldflags} -bundle -undefined suppress";
ldlibpthname='DYLD_LIBRARY_PATH';
useshrplib='true';
# Locales aren't feeling well.
LC_ALL=C; export LC_ALL;
+LANG=C; export LANG;
-# The HFS+ will throw "make depend" into confusion since
-# Makefile and makefile are the same.
+# 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