##
# Darwin (Mac OS) hints
-# Wilfredo Sanchez <wsanchez@mit.edu>
+# 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
case "$prefix" in
-'')
- # Default install; use non-system directories
- prefix='/usr/local'; # Built-in perl uses /usr
- siteprefix='/usr/local';
- vendorprefix='/usr/local'; usevendorprefix='define';
-
- # Where to put modules.
- privlib='/Library/Perl'; # Built-in perl uses /System/Library/Perl
- sitelib='/Library/Perl';
- vendorlib='/Network/Library/Perl';
- ;;
-'/usr')
- # We are building/replacing the built-in perl
- siteprefix='/usr/local';
- vendorprefix='/usr/local'; usevendorprefix='define';
-
- # Where to put modules.
- privlib='/System/Library/Perl';
- sitelib='/Library/Perl';
- vendorlib='/Network/Library/Perl';
- ;;
+ '')
+ # Default install; use non-system directories
+ prefix='/usr/local'; # Built-in perl uses /usr
+ siteprefix='/usr/local';
+ vendorprefix='/usr'; usevendorprefix='define';
+
+ # Where to put modules.
+ sitelib="/Library/Perl/${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';
+
+ # Where to put modules.
+ sitelib="/Library/Perl/${version}"; # FIXME: Want "/Network/Perl/${version}" also
+ vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules
+ ;;
esac
# 4BSD uses ${prefix}/share/man, not ${prefix}/man.
# nm works.
usenm='true';
-# Optimize.
-if [ "x$optimize" = 'x' ]; then
- optimize='-O3'
+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 "`${cc:-gcc} -v 2>&1`" in
+ *"gcc version 3."*) optimize='-Os' ;;
+ *) optimize='-O3' ;;
+ esac
+else
+ optimize='-O3'
fi
+;;
+esac
# -pipe: makes compilation go faster.
-# -fno-common: we don't like commons. Common symbols are not allowed
-# in MH_DYLIB binaries, which is what libperl.dylib is. You will fail
-# to link without that option, unless you otherwise eliminate all commons
-# by, for example, initializing all globals.
-# --Fred Sánchez
-ccflags="${ccflags} -pipe -fno-common"
+# -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="${ccflags} -pipe -fno-common -DDARWIN"
# At least on Darwin 1.3.x:
#
# stdint.h defining INT32_MIN as (-INT32_MAX-1)
# -- Edward Moy
#
-case "`grep '^#define INT32_MIN' /usr/include/stdint.h`" in
-*-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
+case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
+ *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
esac
-# cppflags='-traditional-cpp';
-# avoid Apple's cpp precompiler, better for extensions
+# Avoid Apple's cpp precompiler, better for extensions
cppflags="${cppflags} -no-cpp-precomp"
-# and ccflags needs them as well since we don't use cpp directly
-ccflags="${ccflags} -no-cpp-precomp"
+
+# This is necessary because perl's build system doesn't
+# apply cppflags to cc compile lines as it should.
+ccflags="${ccflags} ${cppflags}"
# Known optimizer problems.
case "`cc -v 2>&1`" in
-*"3.1 20020105"*) toke_cflags='optimize=""' ;;
+ *"3.1 20020105"*) toke_cflags='optimize=""' ;;
esac
# Shared library extension is .dylib.
dlext='bundle';
dlsrc='dl_dyld.xs'; usedl='define';
cccdlflags=' '; # space, not empty, because otherwise we get -fpic
-# ldflag: -flat_namespace is only available since OS X 10.1 (Darwin 1.4.1)
-# - but not in 10.0.x (Darwin 1.3.x)
-# -- Kay Roepke
+# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
+# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
case "$osvers" in
-1.[0-3].*) ;;
-*) ldflags="${ldflags} -flat_namespace" ;;
+1.[0-3].*)
+ lddlflags="${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 ${ld}" ;;
+ esac
+ ;;
esac
-lddlflags="${ldflags} -bundle -undefined suppress";
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';
-##
-# 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$use5005threads" in
-*define*)
-cat <<EOM >&4
+case "$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;