From 96bad46eee8bf907dceb152bbb9d128bed5a4956 Mon Sep 17 00:00:00 2001 From: kan Date: Wed, 28 Jul 2004 03:12:05 +0000 Subject: Gcc 3.4.2 20040728 C++ support bits. --- contrib/libstdc++/configure.host | 242 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 242 insertions(+) create mode 100644 contrib/libstdc++/configure.host (limited to 'contrib/libstdc++/configure.host') diff --git a/contrib/libstdc++/configure.host b/contrib/libstdc++/configure.host new file mode 100644 index 0000000..747cf74 --- /dev/null +++ b/contrib/libstdc++/configure.host @@ -0,0 +1,242 @@ +# configure.host +# +# This shell script handles all host based configuration for libstdc++. +# It sets various shell variables based on the the host and the +# configuration options. You can modify this shell script without needing +# to rerun autoconf/aclocal/etc. This file is "sourced" not executed. +# +# You should read docs/html/17_intro/porting.* to make sense of this file. +# +# +# It uses the following shell variables as set by config.guess: +# host The configuration host (full CPU-vendor-OS triplet) +# host_cpu The configuration host CPU +# host_os The configuration host OS +# +# +# It sets the following shell variables: +# +# cpu_include_dir CPU-specific directory, defaults to cpu/generic +# if cpu/host_cpu doesn't exist. This is +# used to set atomicity_include_dir. +# +# os_include_dir OS-specific directory, defaults to os/generic. +# +# c_model the "C" header model, defaults to c_std. +# +# c_compatibility if "C" compatibility headers are necessary, +# defaults to no. +# +# abi_baseline_pair directory name for ABI compat testing, +# defaults to host_cpu-host_os (as per config.guess) +# +# atomicity_dir location of atomicity.h, +# defaults to cpu_include_dir +# +# atomic_word_dir location of atomic_word.h +# defaults to generic. +# +# It possibly modifies the following variables: +# +# OPT_LDFLAGS extra flags to pass when linking the library, of +# the form '-Wl,blah' +# (defaults to empty in acinclude.m4) +# +# port_specific_symbol_files +# whitespace-seperated list of files containing +# additional symbols to export from the shared +# library, when symbol versioning is in use +# +# +# If the defaults will not work for your platform, you need only change the +# variables that won't work, i.e., you do not need to explicitly set a +# working variable to its default. Most hosts only need to change the two +# *_include_dir variables. + + +# DEFAULTS +# Try to guess a default cpu_include_dir based on the name of the CPU. We +# cannot do this for os_include_dir; there are too many portable operating +# systems out there. :-) +c_model=c_std +c_compatibility=no +atomic_word_dir=cpu/generic + +# HOST-SPECIFIC OVERRIDES +# Set any CPU-dependent bits. +# Here we override defaults and catch more general cases due to naming +# conventions (e.g., chip_name* to catch all variants). + +# THIS TABLE IS SORTED. KEEP IT THAT WAY. +case "${host_cpu}" in + alpha*) + try_cpu=alpha + ;; + i[567]86 | x86_64) + try_cpu=i486 + ;; + hppa*) + try_cpu=hppa + ;; + mips*) + # NB: cpu/mips/atomicity.h needs MIPS II or above. + # Of course, there is no sane way to test for this, no ABI macro, + # and no consistent host_cpu name differentiation. Therefore, only + # use it where it is known to be safe, ie it runs linux (see below). + try_cpu=generic + ;; + m680[246]0) + try_cpu=m68k + ;; + powerpc* | rs6000) + try_cpu=powerpc + ;; + s390x) + try_cpu=s390 + ;; + sparc* | ultrasparc) + try_cpu=sparc + ;; + *) + if test -f ${glibcxx_srcdir}/config/cpu/${host_cpu}/atomicity.h; then + try_cpu=${host_cpu} + else + try_cpu=generic + fi + ;; +esac + +# Set specific CPU overrides for atomic_word_dir. Most can just use generic. +# THIS TABLE IS SORTED. KEEP IT THAT WAY. +case "${host_cpu}" in + cris*) + atomic_word_dir=cpu/cris + ;; + sparc* | ultrasparc) + atomic_word_dir=cpu/sparc + ;; +esac + +# Now look for the file(s) usually tied to a CPU model, and make +# default choices for those if they haven't been explicitly set +# already. +cpu_include_dir="cpu/${try_cpu}" +atomicity_dir=$cpu_include_dir +abi_baseline_pair=${try_cpu}-${host_os} + + +# Set any OS-dependent bits. +# Set the os_include_dir. +# Set c_model, c_compatibility here. +# If atomic ops and/or numeric limits are OS-specific rather than +# CPU-specifc, set those here too. +# THIS TABLE IS SORTED. KEEP IT THAT WAY. +case "${host_os}" in + aix4.[3456789]* | aix[56789]*) + # We set os_include_dir to os/aix only on AIX 4.3 and newer, but + # os/aix/atomicity.h works on earlier versions of AIX 4.*, so we + # explicitly duplicate the directory for 4.[<3]. + os_include_dir="os/aix" + atomicity_dir="os/aix" + OPT_LDFLAGS="-Wl,-G" + ;; + aix4.*) + os_include_dir="os/generic" + atomicity_dir="os/aix" + ;; + aix*) + os_include_dir="os/generic" + atomicity_dir="cpu/generic" + ;; + bsd*) + # Plain BSD attempts to share FreeBSD files. + os_include_dir="os/bsd/freebsd" + ;; + cygwin*) + os_include_dir="os/newlib" + ;; + *djgpp*) # leading * picks up "msdosdjgpp" + os_include_dir="os/djgpp" + ;; + freebsd*) + os_include_dir="os/bsd/freebsd" + ;; + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) + os_include_dir="os/gnu-linux" + ;; + hpux*) + os_include_dir="os/hpux" + ;; + irix[1-6] | irix[1-5].* | irix6.[0-4]*) + # This is known to work on at least IRIX 5.2 and 6.3. + os_include_dir="os/irix/irix5.2" + atomicity_dir=os/irix + atomic_word_dir=os/irix + ;; + irix6.5*) + os_include_dir="os/irix/irix6.5" + atomicity_dir=os/irix + atomic_word_dir=os/irix + ;; + mingw32*) + os_include_dir="os/mingw32" + ;; + netbsd*) + os_include_dir="os/bsd/netbsd" + ;; + qnx6.[12]*) + os_include_dir="os/qnx/qnx6.1" + c_model=c + ;; + solaris2) + # This too-vague configuration does not provide enough information + # to select a ctype include, and thus os_include_dir is a crap shoot. + echo "Please specify the full version of Solaris, ie. solaris2.9 " 1>&2 + exit 1; + ;; + solaris2.5 | solaris2.5.[0-9]) + os_include_dir="os/solaris/solaris2.5" + ;; + solaris2.6) + os_include_dir="os/solaris/solaris2.6" + ;; + solaris2.[789] | solaris2.1[0-9]) + os_include_dir="os/solaris/solaris2.7" + ;; + tpf) + os_include_dir="os/tpf" + ;; + vxworks) + os_include_dir="os/vxworks" + ;; + windiss*) + os_include_dir="os/windiss" + ;; + *) + os_include_dir="os/generic" + ;; +esac + + +# Set any OS-dependent and CPU-dependent bits. +# THIS TABLE IS SORTED. KEEP IT THAT WAY. +case "${host}" in + mips*-*-linux*) + atomicity_dir="cpu/mips" + ;; + x86_64-*-linux*) + abi_baseline_pair="x86_64-linux-gnu" + ;; + alpha*-*-freebsd5*) + abi_baseline_pair="alpha-freebsd5" + ;; + i*86-*-freebsd4*) + abi_baseline_pair="i386-freebsd4" + ;; + i*86-*-freebsd5*) + abi_baseline_pair="i386-freebsd5" + ;; + sparc*-*-freebsd5*) + abi_baseline_pair="sparc-freebsd5" + ;; +esac -- cgit v1.1