##
# 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}"
+
+# Pretend that Darwin doesn't know about those system calls in Tiger
+# (10.4/darwin 8) and earlier [perl #24122]
+case "$osvers" in
+[1-8].*)
+ d_setregid='undef'
+ d_setreuid='undef'
+ d_setrgid='undef'
+ d_setruid='undef'
+ ;;
+esac
+
+# finite() deprecated in 10.9, use isfinite() instead.
+case "$osvers" in
+[1-8].*) ;;
+*) d_finite='undef' ;;
+esac
+
+# This was previously used in all but causes three cases
+# (no -Ddprefix=, -Dprefix=/usr, -Dprefix=/some/thing/else)
+# but that caused too much grief.
+# vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules
+
# BSD paths
case "$prefix" in
-'')
- # Default install; use non-system directories
- prefix='/usr/local'; # Built-in perl uses /usr
+'') # Default install; use non-system directories
+ prefix='/usr/local';
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
+'/usr') # We are building/replacing the built-in perl
+ prefix='/';
+ installprefix='/';
+ bin='/usr/bin';
siteprefix='/usr/local';
- vendorprefix='/usr/local'; usevendorprefix='define';
-
- # Where to put modules.
- privlib='/System/Library/Perl';
- sitelib='/Library/Perl';
- vendorlib='/Network/Library/Perl';
+ # We don't want /usr/bin/HEAD issues.
+ sitebin='/usr/local/bin';
+ sitescript='/usr/local/bin';
+ installusrbinperl='define'; # You knew what you were doing.
+ privlib="/System/Library/Perl/${version}";
+ sitelib="/Library/Perl/${version}";
+ vendorprefix='/';
+ usevendorprefix='define';
+ vendorbin='/usr/bin';
+ vendorscript='/usr/bin';
+ vendorlib="/Network/Library/Perl/${version}";
+ # 4BSD uses ${prefix}/share/man, not ${prefix}/man.
+ man1dir='/usr/share/man/man1';
+ man3dir='/usr/share/man/man3';
+ # But users' installs shouldn't touch the system man pages.
+ # Transient obsoleted style.
+ siteman1='/usr/local/share/man/man1';
+ siteman3='/usr/local/share/man/man3';
+ # New style.
+ siteman1dir='/usr/local/share/man/man1';
+ siteman3dir='/usr/local/share/man/man3';
+ ;;
+ *) # Anything else; use non-system directories, use Configure defaults
;;
esac
-# 4BSD uses ${prefix}/share/man, not ${prefix}/man.
-man1dir="${prefix}/share/man/man1";
-man3dir="${prefix}/share/man/man3";
-
##
# Tool chain settings
##
# Since we can build fat, the archname doesn't need the processor type
archname='darwin';
-# nm works.
-usenm='true';
+# nm isn't known to work after Snow Leopard and XCode 4; testing with OS X 10.5
+# and Xcode 3 shows a working nm, but pretending it doesn't work produces no
+# problems.
+usenm='false';
-# Optimize.
-if [ "x$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
+# -DPERL_DARWIN: 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="${ccflags} -fno-common -DPERL_DARWIN"
# At least on Darwin 1.3.x:
#
# seems to work. INT64_MIN seems to be similarly broken.
# -- Nicholas Clark, Ken Williams, and Edward Moy
#
-ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN"
+# 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
+#
+if test -f /usr/include/stdint.h; then
+ case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in
+ *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;;
+ esac
+fi
+
+# Avoid Apple's cpp precompiler, better for extensions
+if [ "X`echo | ${cc} -no-cpp-precomp -E - 2>&1 >/dev/null`" = "X" ]; then
+ cppflags="${cppflags} -no-cpp-precomp"
-# cpp-precomp is problematic.
-cppflags='-traditional-cpp';
+ # This is necessary because perl's build system doesn't
+ # apply cppflags to cc compile lines as it should.
+ ccflags="${ccflags} ${cppflags}"
+fi
+
+# Known optimizer problems.
+case "`cc -v 2>&1`" in
+ *"3.1 20020105"*) toke_cflags='optimize=""' ;;
+esac
# Shared library extension is .dylib.
# Bundle extension is .bundle.
-ld='cc';
so='dylib';
dlext='bundle';
-dlsrc='dl_dyld.xs'; usedl='define';
-cccdlflags=' '; # space, not empty, because otherwise we get -fpic
-ldflags="${ldflags} -flat_namespace"
-lddlflags="${ldflags} -bundle -undefined suppress";
+usedl='define';
+
+# 10.4 can use dlopen.
+# 10.4 broke poll().
+case "$osvers" in
+[1-7].*)
+ dlsrc='dl_dyld.xs';
+ ;;
+*)
+ dlsrc='dl_dlopen.xs';
+ d_poll='undef';
+ i_poll='undef';
+ ;;
+esac
+
+case "$ccdlflags" in # If passed in from command line, presume user knows best
+'')
+ cccdlflags=' '; # space, not empty, because otherwise we get -fpic
+;;
+esac
+
+# Allow the user to override ld, but modify it as necessary below
+case "$ld" in
+ '') case "$cc" in
+ # If the cc is explicitly something else than cc (or empty),
+ # set the ld to be that explicitly something else. Conversely,
+ # if the cc is 'cc' (or empty), set the ld to be 'cc'.
+ cc|'') ld='cc';;
+ *) ld="$cc" ;;
+ esac
+ ;;
+esac
+
+# From http://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/mk/platform/Darwin.mk
+# and https://trac.macports.org/wiki/XcodeVersionInfo
+# and https://trac.macports.org/wiki/UsingTheRightCompiler
+#
+# OS, Kernel, Xcode Version
+# Note that Xcode gets updates on older systems sometimes.
+# pkgsrc generally expects that the most up-to-date xcode available for
+# an OS version is installed
+#
+# Note that Apple hijacks the clang preprocessor symbols __clang_major__
+# and __clang_minor__ so they cannot be used (easily) to detect the
+# actual clang release. For example:
+#
+# "Yosemite 10.10.x 14.x.y 6.3 (clang 3.6 as 6.1/602.0.49)"
+#
+# means that the Xcode 6.3 provided the clang 6.3 but called it 6.1
+# (__clang_major__, __clang_minor__) and in addition the preprocessor
+# symbol __apple_build_version__ was 6020049.
+#
+# Codename OS Kernel Xcode
+#
+# Cheetah 10.0.x 1.3.1
+# Puma 10.1 1.4.1
+# 10.1.x 5.x.y
+# Jaguar 10.2.x 6.x.y
+# Panther 10.3.x 7.x.y
+# Tiger 10.4.x 8.x.y 2.0 (gcc4 4.0.0)
+# 2.2 (gcc4 4.0.1)
+# 2.2.1 (gcc 3.3)
+# 2.5 ?
+# Leopard 10.5.x 9.x.y 3.0 (gcc 4.0.1 default)
+# 3.1 (gcc 4.2.1)
+# Snow Leopard 10.6.x 10.x.y 3.2 (llvm gcc 4.2, clang 2.3 as 1.0)
+# 3.2.1 (clang 1.0.1 as 1.0.1/24)
+# 3.2.2 (clang 1.0.2 as 1.0.2/32)
+# 3.2.3 (clang 1.5 as 1.5/60)
+# 4.0.1 (clang 2.9 as 2.0/138)
+# Lion 10.7.x 11.x.y 4.1 (llvm gcc 4.2.1, clang 3.0 as 2.1/163.7.1)
+# 4.2 (clang 3.0 as 3.0/211.10.1)
+# 4.3.3 (clang 3.1 as 3.1/318.0.61)
+# 4.4 (clang 3.1 as 4.0/421.0.57)
+# Mountain Lion 10.8.x 12.x.y 4.5 (clang 3.1 as 4.1/421.11.65, real gcc removed, there is gcc but it's really clang)
+# 4.6 (clang 3.2 as 4.2/425.0.24)
+# 5.0 (clang 3.3 as 5.0/500.2.75)
+# 5.1 (clang 3.4 as 5.1/503.0.38)
+# 5.1.1 (clang 3.4 as 5.1/503.0.40)
+# Mavericks 10.9.x 13.x.y 6.0.1 (clang 3.5 as 6.0/600.0.51)
+# 6.1 (clang 3.5 as 6.0/600.0.54)
+# 6.1.1 (clang 3.5 as 6.0/600.0.56)
+# 6.2 (clang 3.5 as 6.0/600.0.57)
+# Yosemite 10.10.x 14.x.y 6.3 (clang 3.6 as 6.1/602.0.49)
+# 6.3.1 (clang 3.6 as 6.1/602.0.49)
+# 6.3.2 (clang 3.6 as 6.1/602.0.53)
+# El Capitan 10.11.x 15.x.y 7.0 (clang 3.7 as 7.0/700.0.72)
+# 7.1 (clang 3.7 as 7.0/700.1.76)
+# 7.2 (clang 3.7 as 7.0.2/700.1.81)
+# 7.2.1 (clang 3.7 as 7.0.2/700.1.81)
+# 7.3 (clang 3.7 as 7.3.0/703.0.29)
+#
+
+# Processors Supported
+#
+# PowerPC (PPC): 10.0.x - 10.5.8 (final 10.5.x)
+# PowerPC via Rosetta: 10.4.4 - 10.6.8 (final 10.6.x)
+# IA-32: 10.4.4 - 10.6.8 (though still supported on x86-64)
+# x86-64: 10.4.7 - current
+
+# MACOSX_DEPLOYMENT_TARGET selects the minimum OS level we want to support
+#
+# It is needed for OS releases before 10.6.
+#
+# https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/cross_development/Configuring/configuring.html
+#
+# If it is set, we also propagate its value to ccflags and ldflags
+# using the -mmacosx-version-min flag. If it is not set, we use
+# the OS X release as the min value for the flag.
+
+# Adds "-mmacosx-version-min=$2" to "$1" unless it already is there.
+add_macosx_version_min () {
+ local v
+ eval "v=\$$1"
+ case " $v " in
+ *"-mmacosx-version-min"*)
+ echo "NOT adding -mmacosx-version-min=$2 to $1 ($v)" >&4
+ ;;
+ *) echo "Adding -mmacosx-version-min=$2 to $1" >&4
+ eval "$1='$v -mmacosx-version-min=$2'"
+ ;;
+ esac
+}
+
+# Perl bundles do not expect two-level namespace, added in Darwin 1.4.
+# But starting from perl 5.8.1/Darwin 7 the default is the two-level.
+case "$osvers" in # Note: osvers is the kernel version, not the 10.x
+1.[0-3].*) # OS X 10.0.x
+ lddlflags="${ldflags} -bundle -undefined suppress"
+ ;;
+1.*) # OS X 10.1
+ ldflags="${ldflags} -flat_namespace"
+ lddlflags="${ldflags} -bundle -undefined suppress"
+ ;;
+[2-6].*) # OS X 10.1.x - 10.2.x (though [2-4] never existed publicly)
+ ldflags="${ldflags} -flat_namespace"
+ lddlflags="${ldflags} -bundle -undefined suppress"
+ ;;
+[7-9].*) # OS X 10.3.x - 10.5.x
+ lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
+ case "$ld" in
+ *MACOSX_DEPLOYMENT_TARGET*) ;;
+ *) ld="env MACOSX_DEPLOYMENT_TARGET=10.3 ${ld}" ;;
+ esac
+ ;;
+*) # OS X 10.6.x - current
+ # The MACOSX_DEPLOYMENT_TARGET is not needed,
+ # but the -mmacosx-version-min option is always used.
+
+ # We now use MACOSX_DEPLOYMENT_TARGET, if set, as an override by
+ # capturing its value and adding it to the flags.
+ case "$MACOSX_DEPLOYMENT_TARGET" in
+ 10.*)
+ add_macosx_version_min ccflags $MACOSX_DEPLOYMENT_TARGET
+ add_macosx_version_min ldflags $MACOSX_DEPLOYMENT_TARGET
+ ;;
+ '')
+ # Empty MACOSX_DEPLOYMENT_TARGET is okay.
+ ;;
+ *)
+ cat <<EOM >&4
+
+*** Unexpected MACOSX_DEPLOYMENT_TARGET=$MACOSX_DEPLOYMENT_TARGET
+***
+*** Please either set it to 10.something, or to empty.
+
+EOM
+ exit 1
+ ;;
+ esac
+
+ # Keep the prodvers leading whitespace (Configure magic).
+ # Cannot use $osvers here since that is the kernel version.
+ # sw_vers output what we want
+ # "ProductVersion: 10.10.5" "10.10"
+ # "ProductVersion: 10.11" "10.11"
+ prodvers=`sw_vers|awk '/^ProductVersion:/{print $2}'|awk -F. '{print $1"."$2}'`
+ case "$prodvers" in
+ 10.*)
+ add_macosx_version_min ccflags $prodvers
+ add_macosx_version_min ldflags $prodvers
+ ;;
+ *)
+ cat <<EOM >&4
+
+*** Unexpected product version $prodvers.
+***
+*** Try running sw_vers and see what its ProductVersion says.
+
+EOM
+ exit 1
+ esac
+
+ lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
+ ;;
+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
+
+# 64-bit addressing support. Currently strictly experimental. DFD 2005-06-06
+case "$use64bitall" in
+$define|true|[yY]*)
+case "$osvers" in
+[1-7].*)
+ cat <<EOM >&4
+
+
+
+*** 64-bit addressing is not supported for Mac OS X versions
+*** below 10.4 ("Tiger") or Darwin versions below 8. Please try
+*** again without -Duse64bitall. (-Duse64bitint will work, however.)
+
+EOM
+ exit 1
+ ;;
+*)
+ case "$osvers" in
+ 8.*)
+ cat <<EOM >&4
+
+
+
+*** Perl 64-bit addressing support is experimental for Mac OS X
+*** 10.4 ("Tiger") and Darwin version 8. System V IPC is disabled
+*** due to problems with the 64-bit versions of msgctl, semctl,
+*** and shmctl. You should also expect the following test failures:
+***
+*** ext/threads-shared/t/wait (threaded builds only)
+
+EOM
+
+ [ "$d_msgctl" ] || d_msgctl='undef'
+ [ "$d_semctl" ] || d_semctl='undef'
+ [ "$d_shmctl" ] || d_shmctl='undef'
+ ;;
+ esac
+
+ case `uname -p` in
+ powerpc) arch=ppc64 ;;
+ i386) arch=x86_64 ;;
+ *) cat <<EOM >&4
+
+*** Don't recognize processor, can't specify 64 bit compilation.
+
+EOM
+ ;;
+ esac
+ for var in ccflags cppflags ld ldflags
+ do
+ eval $var="\$${var}\ -arch\ $arch"
+ done
+
+ ;;
+esac
+;;
+esac
##
# System libraries
# vfork works
usevfork='true';
-# malloc works
-usemymalloc='n';
+# malloc wrap works
+case "$usemallocwrap" in
+'') usemallocwrap='define' ;;
+esac
-##
-# Build process
-##
+# our malloc works (but allow users to override)
+case "$usemymalloc" in
+'') usemymalloc='n' ;;
+esac
+# However sbrk() returns -1 (failure) somewhere in lib/unicore/mktables at
+# around 14M, so we need to use system malloc() as our sbrk()
+#
+# sbrk() in Darwin deprecated since Mavericks (10.9), it still exists
+# in Yosemite (10.10) but that is just an emulation, and fails for
+# allocations beyond 4MB. One should use e.g. mmap instead (or system
+# malloc, as suggested above, that but is kind of backward).
+malloc_cflags='ccflags="-DUSE_PERL_SBRK -DPERL_SBRK_VIA_MALLOC $ccflags"'
# Locales aren't feeling well.
LC_ALL=C; export LC_ALL;
LANG=C; export LANG;
-# Case-insensitive filesystems don't get along with Makefile and
-# makefile in the same place. Since Darwin uses GNU make, this dodges
-# the problem.
-firstmakefile=GNUmakefile;
-
#
# The libraries are not threadsafe as of OS X 10.1.
-# Better stop now.
#
# Fix when Apple fixes libc.
#
-case "$usethreads$useithreads$use5005threads" in
-*define*)
-cat <<EOM >&4
+case "$usethreads$useithreads" in
+ *define*)
+ case "$osvers" in
+ [12345].*) cat <<EOM >&4
+
+
+
+*** Warning, there might be problems with your libraries with
+*** regards to threading. The test ext/threads/t/libc.t is likely
+*** to fail.
-*** You do not have threadsafe libraries, I cannot use threads.
-*** Cannot continue, aborting.
EOM
- exit 1
- ;;
+ ;;
+ *) usereentrant='define';;
+ esac
+
+esac
+
+# Fink can install a GDBM library that claims to have the ODBM interfaces
+# but Perl dynaloader cannot for some reason use that library. We don't
+# really need ODBM_FIle, though, so let's just hint ODBM away.
+i_dbm=undef;
+
+# Configure doesn't detect ranlib on Tiger properly.
+# NeilW says this should be acceptable on all darwin versions.
+ranlib='ranlib'
+
+# Catch MacPorts gcc/g++ extra libdir
+case "$($cc -v 2>&1)" in
+*"MacPorts gcc"*) loclibpth="$loclibpth /opt/local/lib/libgcc" ;;
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;
+
+# Parts of the system call setenv(), in particular in an atfork handler.
+# This causes problems when the child tries to clean up environ[], so
+# let libc manage environ[].
+cat >> config.over <<'EOOVER'
+if test "$d_unsetenv" = "$define" -a \
+ `expr "$ccflags" : '.*-DPERL_USE_SAFE_PUTENV'` -eq 0; then
+ ccflags="$ccflags -DPERL_USE_SAFE_PUTENV"
+fi
+EOOVER