X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Flinux.sh;h=61d9fc8e5e0bfbd1c03a6b6473bd1b8f2a991cf0;hb=6137113dfd943e6f896f8b9c1a4df2b7d4e355ae;hp=fd38198427a7a9620a0c650e7c89cd1e4484ee1b;hpb=3d3d4f39342abc069c6470bf0947f2d00d3ead72;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/linux.sh b/hints/linux.sh index fd38198..61d9fc8 100644 --- a/hints/linux.sh +++ b/hints/linux.sh @@ -6,11 +6,11 @@ # Additional info from Nigel Head # and Kenneth Albanowski # -# Consolidated by Andy Dougherty +# Consolidated by Andy Dougherty # # Updated Thu Feb 8 11:56:10 EST 1996 -# Updated Thu May 30 10:50:22 EDT 1996 by +# Updated Thu May 30 10:50:22 EDT 1996 by # Updated Fri Jun 21 11:07:54 EDT 1996 # NDBM support for ELF renabled by @@ -39,35 +39,6 @@ d_suidsafe='undef' # do the implicit mapping. ignore_versioned_solibs='y' -# perl goes into the /usr tree. See the Filesystem Standard -# available via anonymous FTP at tsx-11.mit.edu in -# /pub/linux/docs/linux-standards/fsstnd. -# Allow a command line override, e.g. Configure -Dprefix=/foo/bar -# -# Addendum for 5.005_57 and beyond: -# -# However, most Linux users probably already have a /usr/bin/perl. -# We can't know whether the current user is intending to *replace* -# that /usr/bin/perl or whether the user is intending to install -# a *different* installation. -# -# Here is what we used to do: -# Allow a command line override, e.g. Configure -Dprefix=/foo/bar -# case "$prefix" in -# '') prefix='/usr' ;; -# esac -# -# For now, let's assume that most Linux users get their /usr/bin/perl -# from some packaging system, so that those compiling from source are -# probably the more experimental folks and hence probably aren't -# intending to replace /usr/bin/perl (at least just yet). -# This change makes linux consistent with most other unix platforms -# in having a default of prefix=/usr/local. -# These notes can probably safely be removed in 5.005_50 and beyond. -# -# 9 April 1999 Andy Dougherty -# - # BSD compatability library no longer needed # 'kaffe' has a /usr/lib/libnet.so which is not at all relevent for perl. set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ net / /'` @@ -77,9 +48,7 @@ libswanted="$*" # If you have glibc, then report the version for ./myconfig bug reporting. # (Configure doesn't need to know the specific version since it just uses # gcc to load the library for all tests.) -# Is this sufficiently robust for libc5 systems as well as -# glibc-2.1.x systems? -# We don't use __GLIBC__ and __GLIBC_MINOR__ because they +# We don't use __GLIBC__ and __GLIBC_MINOR__ because they # are insufficiently precise to distinguish things like # libc-2.0.6 and libc-2.0.7. if test -L /lib/libc.so.6; then @@ -91,24 +60,41 @@ fi # function in . d_lstat=define -# Explanation? +# malloc wrap works +case "$usemallocwrap" in +'') usemallocwrap='define' ;; +esac + +# The system malloc() is about as fast and as frugal as perl's. +# Since the system malloc() has been the default since at least +# 5.001, we might as well leave it that way. --AD 10 Jan 2002 case "$usemymalloc" in '') usemymalloc='n' ;; esac +# Check if we're about to use Intel's ICC compiler +case "`${cc:-cc} -V 2>&1`" in +*"Intel(R) C++ Compiler"*) + # This is needed for Configure's prototype checks to work correctly + ccflags="-we147 $ccflags" + # If we're using ICC, we usually want the best performance + case "$optimize" in + '') optimize='-O3' ;; + esac + ;; +esac + case "$optimize" in -'') # If we have modern enough gcc and well-supported enough CPU, - # crank up the optimization level. - case "`${cc:-gcc} -v 2>&1`" in - *"gcc version 2.95"*|*"gcc version 3."*) - case "`arch 2>&1`" in - i?86|ppc) optimize='-O3' ;; - esac +# use -O2 by default ; -O3 doesn't seem to bring significant benefits with gcc +'') + optimize='-O2' + case "`uname -m`" in + ppc*) + # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy + # with -O2 ; so downgrade to -O1. + optimize='-O1' ;; esac - case "$optimize" in - '') optimize='-O2' ;; - esac ;; esac @@ -138,10 +124,6 @@ You appear to have ELF support. I'll try to use it for dynamic loading. If dynamic loading doesn't work, read hints/linux.sh for further information. EOM -#For RedHat Linux 3.0.3, you may need to fetch -# ftp://ftp.redhat.com/pub/redhat-3.0.3/i386/updates/RPMS/ld.so-1.7.14-3.i386.rpm -# - else cat <<'EOM' >&4 @@ -167,8 +149,8 @@ EOM #so='none' # In addition, on some systems there is a problem with perl and NDBM - # which causes AnyDBM and NDBM_File to lock up. This is evidenced - # in the tests as AnyDBM just freezing. Apparently, this only + # which causes AnyDBM and NDBM_File to lock up. This is evidenced + # in the tests as AnyDBM just freezing. Apparently, this only # happens on a.out systems, so we disable NDBM for all a.out linux # systems. If someone can suggest a more robust test # that would be appreciated. @@ -181,7 +163,7 @@ EOM # just as advertised. Checking into it, I found that the lockup was # during the call to dbm_open. Not *in* dbm_open -- but between the call # to and the jump into. - # + # # To make a long story short, making sure that the *.a and *.sa pairs of # /usr/lib/lib{m,db,gdbm}.{a,sa} # were perfectly in sync took care of it. @@ -251,13 +233,13 @@ fi # Shimpei Yamashita # Message-Id: <33EF1634.B36B6500@pobox.com> -# +# # The DR2 of MkLinux (osname=linux,archname=ppc-linux) may need # special flags passed in order for dynamic loading to work. # instead of the recommended: # # ccdlflags='-rdynamic' -# +# # it should be: # ccdlflags='-Wl,-E' # @@ -268,8 +250,8 @@ fi #'osfmach3ppc') ccdlflags='-Wl,-E' ;; #esac -case "`uname -r`" in -sparc-linux) +case "`uname -m`" in +sparc*) case "$cccdlflags" in *-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;; *) cccdlflags="$cccdlflags -fPIC" ;; @@ -277,21 +259,51 @@ sparc-linux) ;; esac -# This script UU/usethreads.cbu will get 'called-back' by Configure +# SuSE8.2 has /usr/lib/libndbm* which are ld scripts rather than +# true libraries. The scripts cause binding against static +# version of -lgdbm which is a bad idea. So if we have 'nm' +# make sure it can read the file +# NI-S 2003/08/07 +if [ -r /usr/lib/libndbm.so -a -x /usr/bin/nm ] ; then + if /usr/bin/nm /usr/lib/libndbm.so >/dev/null 2>&1 ; then + echo 'Your shared -lndbm seems to be a real library.' + else + echo 'Your shared -lndbm is not a real library.' + set `echo X "$libswanted "| sed -e 's/ ndbm / /'` + shift + libswanted="$*" + fi +fi + + +# This script UU/usethreads.cbu will get 'called-back' by Configure # after it has prompted the user for whether to use threads. cat > UU/usethreads.cbu <<'EOCBU' case "$usethreads" in $define|true|[yY]*) - ccflags="-D_REENTRANT $ccflags" + ccflags="-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS $ccflags" set `echo X "$libswanted "| sed -e 's/ c / pthread c /'` shift libswanted="$*" + + # Somehow at least in Debian 2.2 these manage to escape + # the #define forest of and so that + # the hasproto macro of Configure doesn't see these protos, + # even with the -D_GNU_SOURCE. + + d_asctime_r_proto="$define" + d_crypt_r_proto="$define" + d_ctime_r_proto="$define" + d_gmtime_r_proto="$define" + d_localtime_r_proto="$define" + d_random_r_proto="$define" + ;; esac EOCBU cat > UU/uselargefiles.cbu <<'EOCBU' -# This script UU/uselargefiles.cbu will get 'called-back' by Configure +# This script UU/uselargefiles.cbu will get 'called-back' by Configure # after it has prompted the user for whether to use large files. case "$uselargefiles" in ''|$define|true|[yY]*)