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## # Darwin (Mac OS) hints # 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/${version}"; # Apple-supplied modules case "$darwin_distribution" in $define) # We are building/replacing the built-in perl prefix='/usr'; installprefix='/usr'; bin='/usr/bin'; siteprefix='/usr/local'; # We don't want /usr/bin/HEAD issues. sitebin='/usr/local/bin'; sitescript='/usr/local/bin'; installusrbinperl='define'; # You knew what you were doing. privlib="/System/Library/Perl/${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 ${prefix}/man. man1dir='/usr/share/man/man1'; man3dir='/usr/share/man/man3'; # But users' installs shouldn't touch the system man pages. # Transient obsoleted style. siteman1='/usr/local/share/man/man1'; siteman3='/usr/local/share/man/man3'; # New style. siteman1dir='/usr/local/share/man/man1'; siteman3dir='/usr/local/share/man/man3'; ;; esac ## # Tool chain settings ## # Since we can build fat, the archname doesn't need the processor type archname='darwin'; # nm isn't known to work after Snow Leopard and XCode 4; testing with OS X 10.5 # and Xcode 3 shows a working nm, but pretending it doesn't work produces no # problems. usenm='false'; case "$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 # -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="${ccflags} -fno-common -DPERL_DARWIN" # At least on Darwin 1.3.x: # # # define INT32_MIN -2147483648 # int main () { # double a = INT32_MIN; # printf ("INT32_MIN=%g\n", a); # return 0; # } # will output: # INT32_MIN=2.14748e+09 # Note that the INT32_MIN has become positive. # INT32_MIN is set in /usr/include/stdint.h by: # #define INT32_MIN -2147483648 # which seems to break the gcc. Defining INT32_MIN as (-2147483647-1) # seems to work. INT64_MIN seems to be similarly broken. # -- Nicholas Clark, Ken Williams, and Edward Moy # # This seems to have been fixed since at least Mac OS X 10.1.3, # stdint.h defining INT32_MIN as (-INT32_MAX-1) # -- Edward Moy # if test -f /usr/include/stdint.h; then case "$(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" # This is necessary because perl's build system doesn't # apply cppflags to cc compile lines as it should. ccflags="${ccflags} ${cppflags}" fi # Known optimizer problems. case "`cc -v 2>&1`" in *"3.1 20020105"*) toke_cflags='optimize=""' ;; esac # Shared library extension is .dylib. # Bundle extension is .bundle. so='dylib'; dlext='bundle'; usedl='define'; # 10.4 can use dlopen. # 10.4 broke poll(). case "$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 # and https://gist.github.com/yamaya/2924292 # and http://opensource.apple.com/source/clang/ # # Note that Xcode gets updates on older systems sometimes, and in # general that the OS levels and XCode levels are not synchronized # since new releases of XCode usually support both some new and some # old OS releases. # # 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 3.8 as 7.3.0/703.0.29) # Sierra 10.12.x 16.x.y 8.0.0 (clang 3.8 as 8.0/800.0.38) # # 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 [1-9][0-9].*) 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 a valid macOS version number (e.g., 10.15) 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 [1-9][0-9].*) add_macosx_version_min ccflags $prodvers add_macosx_version_min ldflags $prodvers ;; *) cat <<EOM >&4 *** Unexpected product version $prodvers. *** *** Try running sw_vers and see what its ProductVersion says. EOM exit 1 esac darwin_major=$(echo $osvers|awk -F. '{print $1}') # macOS 10.12 (darwin 16.0.0) deprecated syscall(). if [ "$darwin_major" -ge 16 ]; then d_syscall='undef' # If deploying to pre-10.12, suppress Time::HiRes's detection of the system clock_gettime() case "$MACOSX_DEPLOYMENT_TARGET" in 10.[6-9]|10.10|10.11) ccflags="$ccflags -Werror=partial-availability -D_DARWIN_FEATURE_CLOCK_GETTIME=0" ;; *) ;; esac fi lddlflags="${ldflags} -bundle -undefined dynamic_lookup" ;; esac ldlibpthname='DYLD_LIBRARY_PATH'; # useshrplib=true results in much slower startup times. # 'false' is the default value. Use Configure -Duseshrplib to override. cat > UU/archname.cbu <<'EOCBU' # This script UU/archname.cbu will get 'called-back' by Configure # after it has otherwise determined the architecture name. case "$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\ $arch" done ;; esac ;; esac ## # System libraries ## # vfork works usevfork='true'; # malloc wrap works case "$usemallocwrap" in '') usemallocwrap='define' ;; esac # 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 $ccflags"' # Locales aren't feeling well. LC_ALL=C; export LC_ALL; LANG=C; export LANG; # # The libraries are not threadsafe as of OS X 10.1. # # Fix when Apple fixes libc. # case "$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 # 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="$ccflags -DPERL_USE_SAFE_PUTENV" fi EOOVER # if you use a newer toolchain before OS X 10.9 these functions may be # incorrectly detected, so disable them # OS X 10.10.x corresponds to kernel 14.x case "$osvers" in [1-9].*|1[0-3].*) d_linkat=undef d_openat=undef d_renameat=undef d_unlinkat=undef d_fchmodat=undef ;; esac # mkostemp() was autodetected as present but found to not be linkable # on 15.6.0. Unknown what other OS versions are affected. d_mkostemp=undef # Apparently the MACH-O format can't support _Thread_local in shared objects, # but clang isn't wise to this, so our probe works but the build fails... d_thread_local=undef