X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Fdarwin.sh;h=33d594ca2ad70ee24d1f45f0e200d0fb55797ea5;hb=8e4985cd06cac8609b7c84aab08fe2d8d20f9526;hp=de5857c09ee207d73060a80bd53bf1a5bcd7932a;hpb=d2a168168aebad1c49b517183798f6ce11a71ab1;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/darwin.sh b/hints/darwin.sh index de5857c..33d594c 100644 --- a/hints/darwin.sh +++ b/hints/darwin.sh @@ -1,35 +1,52 @@ ## # Darwin (Mac OS) hints -# Wilfredo Sanchez +# Wilfredo Sanchez ## ## # 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/${version}"; # Apple-supplied modules + ;; + + *) + # Anything else; use non-system directories + # prefix=$prefix; # Built-in perl uses /usr + siteprefix=$prefix; + vendorprefix='/usr'; usevendorprefix='define'; + + # Where to put modules. + sitelib=$prefix/lib/perl5/site_perl/${version} + vendorlib="/System/Library/Perl/${version}"; # Apple-supplied modules + ;; + esac # 4BSD uses ${prefix}/share/man, not ${prefix}/man. @@ -46,14 +63,30 @@ archname='darwin'; # nm works. usenm='true'; -# Optimize. -if [ "x$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 "`${cc:-gcc} -v 2>&1`" in + *"gcc version 3."*) optimize='-Os' ;; + *) optimize='-O3' ;; + esac +else + optimize='-O3' fi +;; +esac -# XXX Unclear why we require -pipe and -fno-common here. --Andy Dougherty -# We don't like commons. --Fred Sánchez -ccflags="${ccflags} -pipe -fno-common" +# -pipe: makes compilation go faster. +# -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="${ccflags} -pipe -fno-common -DDARWIN" # At least on Darwin 1.3.x: # @@ -72,10 +105,25 @@ ccflags="${ccflags} -pipe -fno-common" # seems to work. INT64_MIN seems to be similarly broken. # -- Nicholas Clark, Ken Williams, and Edward Moy # -ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" +# This seems to have been fixed since at least Mac OS X 10.1.3, +# stdint.h defining INT32_MIN as (-INT32_MAX-1) +# -- Edward Moy +# +case "$(grep '^#define INT32_MIN' /usr/include/stdint.h)" in + *-2147483648) ccflags="${ccflags} -DINT32_MIN_BROKEN -DINT64_MIN_BROKEN" ;; +esac + +# Avoid Apple's cpp precompiler, better for extensions +cppflags="${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} ${cppflags}" + +# Known optimizer problems. +case "`cc -v 2>&1`" in + *"3.1 20020105"*) toke_cflags='optimize=""' ;; +esac # Shared library extension is .dylib. # Bundle extension is .bundle. @@ -84,9 +132,41 @@ so='dylib'; dlext='bundle'; dlsrc='dl_dyld.xs'; usedl='define'; cccdlflags=' '; # space, not empty, because otherwise we get -fpic -lddlflags="${ldflags} -bundle -undefined suppress"; +# 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 "$osvers" in +1.[0-3].*) + lddlflags="${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 ${ld}" ;; + esac + ;; +esac ldlibpthname='DYLD_LIBRARY_PATH'; -useshrplib='true'; + +# useshrplib=true results in much slower startup times. +# 'false' is the default value. Use Configure -Duseshrplib to override. + +cat > UU/archname.cbu <<'EOCBU' +# This script UU/archname.cbu will get 'called-back' by Configure +# after it has otherwise determined the architecture name. +case "$ldflags" in +*"-flat_namespace"*) ;; # Backward compat, be flat. +# If we are using two-level namespace, we will munge the archname to show it. +*) archname="${archname}-2level" ;; +esac +EOCBU ## # System libraries @@ -98,13 +178,37 @@ usevfork='true'; # malloc works usemymalloc='n'; +# Locales aren't feeling well. +LC_ALL=C; export LC_ALL; +LANG=C; export LANG; + +# +# The libraries are not threadsafe as of OS X 10.1. +# +# Fix when Apple fixes libc. +# +case "$usethreads$useithreads" in + *define*) + case "$osvers" in + [12345].*) cat <&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 ## -# Locales aren't feeling well. -LC_ALL=C; export LC_ALL; - # Case-insensitive filesystems don't get along with Makefile and # makefile in the same place. Since Darwin uses GNU make, this dodges # the problem.