X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/803bb6cc74d36a3f7aa314072a465214ac8e9e80..72aac62720fdd7ad8838984e8ca7cf2dedb7a776:/hints/darwin.sh diff --git a/hints/darwin.sh b/hints/darwin.sh index 4f178da..fdfbdd4 100644 --- a/hints/darwin.sh +++ b/hints/darwin.sh @@ -1,40 +1,69 @@ ## # Darwin (Mac OS) hints -# Wilfredo Sanchez +# Wilfredo Sanchez ## ## # 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'; +# 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}" - # 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'; +# Pretend that Darwin doesn't know about those system calls in Tiger +# (10.4/darwin 8) and earlier [perl #24122] +case "$osvers" in +[1-8].*) + d_setregid='undef' + d_setreuid='undef' + d_setrgid='undef' + d_setruid='undef' + ;; +esac - # Where to put modules. - privlib='/System/Library/Perl'; - sitelib='/Library/Perl'; - vendorlib='/Network/Library/Perl'; - ;; +# finite() deprecated in 10.9, use isfinite() instead. +case "$osvers" in +[1-8].*) ;; +*) d_finite='undef' ;; esac -# 4BSD uses ${prefix}/share/man, not ${prefix}/man. -man1dir="${prefix}/share/man/man1"; -man3dir="${prefix}/share/man/man3"; +# This was previously used in all but causes three cases +# (no -Ddprefix=, -Dprefix=/usr, -Dprefix=/some/thing/else) +# but that caused too much grief. +# vendorlib="/System/Library/Perl/${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 ${prefix}/man. + man1dir='/usr/share/man/man1'; + man3dir='/usr/share/man/man3'; + # But users' installs shouldn't touch the system man pages. + # Transient obsoleted style. + siteman1='/usr/local/share/man/man1'; + siteman3='/usr/local/share/man/man3'; + # New style. + siteman1dir='/usr/local/share/man/man1'; + siteman3dir='/usr/local/share/man/man3'; + ;; +esac ## # Tool chain settings @@ -43,21 +72,34 @@ man3dir="${prefix}/share/man/man3"; # 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: # @@ -76,22 +118,321 @@ ccflags="${ccflags} -pipe -fno-common" # seems to work. INT64_MIN seems to be similarly broken. # -- Nicholas Clark, Ken Williams, and Edward Moy # -ccflags="${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 -# cpp-precomp is problematic. -cppflags='-traditional-cpp'; +# 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} ${cppflags}" +fi + +# Known optimizer problems. +case "`cc -v 2>&1`" in + *"3.1 20020105"*) toke_cflags='optimize=""' ;; +esac # Shared library extension is .dylib. # Bundle extension is .bundle. -ld='cc'; so='dylib'; dlext='bundle'; -dlsrc='dl_dyld.xs'; usedl='define'; -cccdlflags=' '; # space, not empty, because otherwise we get -fpic -ldflags="${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 +# 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 $MACOSX_DEPLOYMENT_TARGET + ;; + '') + # Empty MACOSX_DEPLOYMENT_TARGET is okay. + ;; + *) + cat <&4 + +*** Unexpected MACOSX_DEPLOYMENT_TARGET=$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 <&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="${ldflags} -bundle -undefined dynamic_lookup" + ;; +esac + ldlibpthname='DYLD_LIBRARY_PATH'; -useshrplib='true'; + +# useshrplib=true results in much slower startup times. +# 'false' is the default value. Use Configure -Duseshrplib to override. + +cat > UU/archname.cbu <<'EOCBU' +# This script UU/archname.cbu will get 'called-back' by Configure +# after it has otherwise determined the architecture name. +case "$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 <&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 "$osvers" in + 8.*) + cat <&4 + + + +*** Perl 64-bit addressing support is experimental for Mac OS X +*** 10.4 ("Tiger") and Darwin version 8. System V IPC is disabled +*** due to problems with the 64-bit versions of msgctl, semctl, +*** and shmctl. You should also expect the following test failures: +*** +*** ext/threads-shared/t/wait (threaded builds only) + +EOM + + [ "$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 <&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\ $arch" + done + + ;; +esac +;; +esac ## # System libraries @@ -100,35 +441,97 @@ useshrplib='true'; # vfork works usevfork='true'; -# malloc works -usemymalloc='n'; +# malloc wrap works +case "$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 <&4 +case "$usethreads$useithreads" in + *define*) + case "$osvers" in + [12345].*) cat <&4 + + + +*** Warning, there might be problems with your libraries with +*** regards to threading. The test ext/threads/t/libc.t is likely +*** to fail. -*** You do not have threadsafe libraries, I cannot use threads. -*** Cannot continue, aborting. EOM - exit 1 + ;; + *) usereentrant='define';; + esac + +esac + +# Fink can install a GDBM library that claims to have the ODBM interfaces +# but Perl dynaloader cannot for some reason use that library. We don't +# really need ODBM_FIle, though, so let's just hint ODBM away. +i_dbm=undef; + +# Configure doesn't detect ranlib on Tiger properly. +# NeilW says this should be acceptable on all darwin versions. +ranlib='ranlib' + +# Catch MacPorts gcc/g++ extra libdir +case "$($cc -v 2>&1)" in +*"MacPorts gcc"*) loclibpth="$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 + +# 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