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author | kan <kan@FreeBSD.org> | 2007-05-19 01:25:07 +0000 |
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committer | kan <kan@FreeBSD.org> | 2007-05-19 01:25:07 +0000 |
commit | 7865836f4b0f698454c31b4593effcb032c22c1e (patch) | |
tree | ea6c2718dc1e45ed535d194df808ef31f0ebac92 /contrib/libstdc++/configure.host | |
parent | 1f9ea4d0a40cca64d60cf4dab152349da7b9dddf (diff) | |
download | FreeBSD-src-7865836f4b0f698454c31b4593effcb032c22c1e.zip FreeBSD-src-7865836f4b0f698454c31b4593effcb032c22c1e.tar.gz |
GCC 4.2.0 release C++ standard library and runtime support code.
Diffstat (limited to 'contrib/libstdc++/configure.host')
-rw-r--r-- | contrib/libstdc++/configure.host | 161 |
1 files changed, 110 insertions, 51 deletions
diff --git a/contrib/libstdc++/configure.host b/contrib/libstdc++/configure.host index 0c511e7..441eb4c 100644 --- a/contrib/libstdc++/configure.host +++ b/contrib/libstdc++/configure.host @@ -17,8 +17,8 @@ # 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. +# if cpu/host_cpu doesn't exist. This is not used +# directly, but sets the default for others. # # os_include_dir OS-specific directory, defaults to os/generic. # @@ -30,12 +30,18 @@ # abi_baseline_pair directory name for ABI compat testing, # defaults to host_cpu-host_os (as per config.guess) # +# abi_tweaks_dir location of cxxabi_tweaks.h, +# defaults to cpu_include_dir +# # atomicity_dir location of atomicity.h, # defaults to cpu_include_dir # # atomic_word_dir location of atomic_word.h # defaults to generic. # +# cpu_defines_dir location of cpu_defines.h +# defaults to generic. +# # It possibly modifies the following variables: # # OPT_LDFLAGS extra flags to pass when linking the library, of @@ -61,17 +67,24 @@ c_model=c_std c_compatibility=no atomic_word_dir=cpu/generic +atomicity_dir="cpu/generic" +cpu_defines_dir="cpu/generic" +try_cpu=generic +abi_tweaks_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). +# Provide a way to funnel exotic flavors and prefixed/postfixed chip +# variants into the established source config/cpu/* sub-directories. # THIS TABLE IS SORTED. KEEP IT THAT WAY. case "${host_cpu}" in alpha*) try_cpu=alpha ;; + arm* | xscale | ep9312) + try_cpu=arm + ;; i[567]86 | x86_64) try_cpu=i486 ;; @@ -79,11 +92,7 @@ case "${host_cpu}" in 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 + try_cpu=mips ;; m680[246]0) try_cpu=m68k @@ -91,38 +100,63 @@ case "${host_cpu}" in 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 + if test -d ${glibcxx_srcdir}/config/cpu/${host_cpu}; then try_cpu=${host_cpu} - else - try_cpu=generic fi +esac + + +# Now look for the file(s) usually tied to a CPU model, and make +# default choices for those if they haven't been explicitly set +# already. +cpu_include_dir=cpu/${try_cpu} + + +# Set specific CPU overrides for cpu_defines_dir. Most can just use generic. +# THIS TABLE IS SORTED. KEEP IT THAT WAY. +case "${host_cpu}" in + powerpc* | rs6000) + cpu_defines_dir=cpu/powerpc ;; esac + # Set specific CPU overrides for atomic_word_dir. Most can just use generic. # THIS TABLE IS SORTED. KEEP IT THAT WAY. case "${host_cpu}" in + alpha*) + atomic_word_dir=cpu/alpha + ;; cris*) atomic_word_dir=cpu/cris ;; + ia64) + atomic_word_dir=cpu/ia64 + ;; + powerpc* | rs6000) + atomic_word_dir=cpu/powerpc + ;; 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 specific CPU overrides for atomicity_dir. +# This can be over-ridden in GLIBCXX_ENABLE_ATOMIC_BUILTINS. +# THIS TABLE IS SORTED. KEEP IT THAT WAY. +if test -f ${glibcxx_srcdir}/config/${cpu_include_dir}/atomicity.h ; then + atomicity_dir=$cpu_include_dir +fi + + +if test -f ${glibcxx_srcdir}/config/${cpu_include_dir}/cxxabi_tweaks.h ; then + abi_tweaks_dir=$cpu_include_dir +fi # Set any OS-dependent bits. @@ -138,11 +172,13 @@ case "${host_os}" in # explicitly duplicate the directory for 4.[<3]. os_include_dir="os/aix" atomicity_dir="os/aix" + atomic_word_dir="os/aix" OPT_LDFLAGS="-Wl,-G" ;; aix4.*) os_include_dir="os/generic" atomicity_dir="os/aix" + atomic_word_dir="os/aix" ;; aix*) os_include_dir="os/generic" @@ -155,6 +191,19 @@ case "${host_os}" in cygwin*) os_include_dir="os/newlib" ;; + darwin | darwin[1-7] | darwin[1-7].*) + # On Darwin, performance is improved if libstdc++ is single-module. + # Up to at least 10.3.7, -flat_namespace is required for proper + # treatment of coalesced symbols. + OPT_LDFLAGS="${OPT_LDFLAGS} -Wl,-single_module -Wl,-flat_namespace" + os_include_dir="os/bsd/darwin" + ;; + darwin[89] | darwin[89].* | darwin[1-9][0-9]* ) + # On Darwin, performance is improved if libstdc++ is single-module, + # and on 8+ compatibility is better if not -flat_namespace. + OPT_LDFLAGS="${OPT_LDFLAGS} -Wl,-single_module" + os_include_dir="os/bsd/darwin" + ;; *djgpp*) # leading * picks up "msdosdjgpp" os_include_dir="os/djgpp" ;; @@ -162,7 +211,11 @@ case "${host_os}" in os_include_dir="os/bsd/freebsd" ;; gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) - os_include_dir="os/gnu-linux" + if [ "$uclibc" = "yes" ]; then + os_include_dir="os/uclibc" + else + os_include_dir="os/gnu-linux" + fi ;; hpux*) os_include_dir="os/hpux" @@ -192,7 +245,7 @@ case "${host_os}" in # 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; + exit 1 ;; solaris2.5 | solaris2.5.[0-9]) os_include_dir="os/solaris/solaris2.5" @@ -221,33 +274,39 @@ esac # Set any OS-dependent and CPU-dependent bits. # THIS TABLE IS SORTED. KEEP IT THAT WAY. case "${host}" in - alpha*-*-freebsd5*) - abi_baseline_pair="alpha-freebsd5" - ;; - arm*-*-linux*) - abi_baseline_pair="arm-linux-gnu" - ;; - i*86-*-freebsd4*) - abi_baseline_pair="i386-freebsd4" - ;; - i*86-*-freebsd5*) - abi_baseline_pair="i386-freebsd5" - ;; - mips*-*-linux*) - atomicity_dir="cpu/mips" - abi_baseline_pair="mips-linux-gnu" - cpu_include_dir="cpu/mips" - ;; - s390-*-linux*) - abi_baseline_pair="s390-linux-gnu" - ;; - s390x-*-linux*) - abi_baseline_pair="s390x-linux-gnu" - ;; - sparc*-*-freebsd5*) - abi_baseline_pair="sparc-freebsd5" - ;; - x86_64-*-linux*) - abi_baseline_pair="x86_64-linux-gnu" + *-*-linux*) + case "${host_cpu}" in + i[567]86) + abi_baseline_pair=i486-linux-gnu + ;; + powerpc64) + abi_baseline_pair=powerpc64-linux-gnu + ;; + s390) + abi_baseline_pair=s390-linux-gnu + ;; + s390x) + abi_baseline_pair=s390x-linux-gnu + ;; + x86_64) + abi_baseline_pair=x86_64-linux-gnu + ;; + *) + if test -d ${glibcxx_srcdir}/config/abi/post/${try_cpu}-linux-gnu; then + abi_baseline_pair=${try_cpu}-linux-gnu + fi + esac + ;; + mips*-*-*) + case "${host_os}" in + gnu* | linux* | irix*) + ;; + *) + atomicity_dir="cpu/generic" + ;; + esac + ;; + powerpc*-*-darwin*) + port_specific_symbol_files="\$(srcdir)/../config/os/bsd/darwin/ppc-extra.ver" ;; esac |