X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Fconfigure.host;h=02292b016d0ebd504b218f61579b0200031e9701;hb=df3fc529ce412a7442dee19e2cd1babcb54672d8;hp=477e4d8bb13521901eee535081518d058070698b;hpb=ee085235e033c00f8164ab81102ccbad369162ee;p=pf3gnuchains%2Fgcc-fork.git diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host index 477e4d8bb13..02292b016d0 100644 --- a/libstdc++-v3/configure.host +++ b/libstdc++-v3/configure.host @@ -22,7 +22,7 @@ # # os_include_dir OS-specific directory, defaults to os/generic. # -# c_model the "C" header model, defaults to c_std. +# c_model the "C" header model, defaults to c_global. # # c_compatibility if "C" compatibility headers are necessary, # defaults to no. @@ -39,9 +39,16 @@ # atomic_word_dir location of atomic_word.h # defaults to generic. # +# atomic_flags extra flags to pass to use atomic instructions +# defaults to nothing. +# # cpu_defines_dir location of cpu_defines.h # defaults to generic. # +# +# error_constants_dir location of error_constants.h +# defaults to os/generic. +# # It possibly modifies the following variables: # # OPT_LDFLAGS extra flags to pass when linking the library, of @@ -64,98 +71,115 @@ # 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_model=c_global c_compatibility=no atomic_word_dir=cpu/generic -cpu_defines_dir=cpu/generic +atomic_flags="" +atomicity_dir="cpu/generic" +cpu_defines_dir="cpu/generic" +try_cpu=generic +abi_tweaks_dir="cpu/generic" +error_constants_dir="os/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) + arm*) try_cpu=arm ;; + crisv32) + try_cpu=cris + ;; 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). + mep*) + EXTRA_CXX_FLAGS=-mm try_cpu=generic ;; - m680[246]0) - try_cpu=m68k + mips*) + try_cpu=mips ;; powerpc* | rs6000) try_cpu=powerpc ;; - s390x) - try_cpu=s390 - ;; sparc* | ultrasparc) try_cpu=sparc ;; *) if test -d ${glibcxx_srcdir}/config/cpu/${host_cpu}; then try_cpu=${host_cpu} - else - try_cpu=generic fi - ;; esac -# Set specific CPU overrides for atomic_word_dir. Most can just use generic. + +# Now look for the file(s) usually tied to a CPU model, and make +# default choices for those if they haven't been explicitly set +# already. +cpu_include_dir=cpu/${try_cpu} + + +# Set specific CPU overrides for cpu_defines_dir. Most can just use generic. # THIS TABLE IS SORTED. KEEP IT THAT WAY. case "${host_cpu}" in - cris*) - atomic_word_dir=cpu/cris - ;; - sparc* | ultrasparc) - atomic_word_dir=cpu/sparc + powerpc* | rs6000) + cpu_defines_dir=cpu/powerpc ;; esac -# Set specific CPU overrides for cpu_defines_dir. Most can just use generic. + +# Set specific CPU overrides for atomic_word_dir and atomic_flags. +# Most can just use generic. # THIS TABLE IS SORTED. KEEP IT THAT WAY. case "${host_cpu}" in + alpha*) + atomic_word_dir=cpu/alpha + ;; + cris*) + atomic_word_dir=cpu/cris + ;; + ia64) + atomic_word_dir=cpu/ia64 + ;; + i[4567]86 | x86_64) + atomic_flags="-march=native" + ;; powerpc* | rs6000) - cpu_defines_dir=cpu/powerpc + atomic_word_dir=cpu/powerpc + ;; + sparc* | ultrasparc) + atomic_word_dir=cpu/sparc + atomic_flags="-mcpu=v9" ;; 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/${try_cpu} -abi_baseline_pair=${try_cpu}-${host_os} -unset try_cpu +# 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 -else - atomicity_dir="cpu/generic" fi + if test -f ${glibcxx_srcdir}/config/${cpu_include_dir}/cxxabi_tweaks.h ; then abi_tweaks_dir=$cpu_include_dir -else - abi_tweaks_dir="cpu/generic" fi + # Set any OS-dependent bits. # Set the os_include_dir. +# Set the error_costants_dir. # Set c_model, c_compatibility here. # If atomic ops and/or numeric limits are OS-specific rather than # CPU-specifc, set those here too. @@ -185,6 +209,7 @@ case "${host_os}" in ;; cygwin*) os_include_dir="os/newlib" + OPT_LDFLAGS="${OPT_LDFLAGS} -no-undefined -bindir \$(bindir)" ;; darwin | darwin[1-7] | darwin[1-7].*) # On Darwin, performance is improved if libstdc++ is single-module. @@ -197,6 +222,11 @@ case "${host_os}" in # On Darwin, performance is improved if libstdc++ is single-module, # and on 8+ compatibility is better if not -flat_namespace. OPT_LDFLAGS="${OPT_LDFLAGS} -Wl,-single_module" + case "${host_cpu}" in + i[34567]86 | x86_64) + OPTIMIZE_CXXFLAGS="${OPTIMIZE_CXXFLAGS} -fvisibility-inlines-hidden" + ;; + esac os_include_dir="os/bsd/darwin" ;; *djgpp*) # leading * picks up "msdosdjgpp" @@ -228,6 +258,8 @@ case "${host_os}" in ;; mingw32*) os_include_dir="os/mingw32" + error_constants_dir="os/mingw32" + OPT_LDFLAGS="${OPT_LDFLAGS} -no-undefined -bindir \$(bindir)" ;; netbsd*) os_include_dir="os/bsd/netbsd" @@ -242,12 +274,6 @@ case "${host_os}" in 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" ;; @@ -257,9 +283,6 @@ case "${host_os}" in vxworks) os_include_dir="os/vxworks" ;; - windiss*) - os_include_dir="os/windiss" - ;; *) os_include_dir="os/generic" ;; @@ -269,39 +292,38 @@ esac # Set any OS-dependent and CPU-dependent bits. # THIS TABLE IS SORTED. KEEP IT THAT WAY. case "${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" + *-*-linux*) + case "${host_cpu}" in + i[567]86) + abi_baseline_pair=i486-linux-gnu + ;; + mips64*) + abi_baseline_pair=mips64-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=${try_cpu}-linux-gnu + fi + esac + case "${host}" in + arm*-*-linux-*eabi) + port_specific_symbol_files="\$(srcdir)/../config/os/gnu-linux/arm-eabi-extra.ver" + ;; + esac ;; powerpc*-*-darwin*) port_specific_symbol_files="\$(srcdir)/../config/os/bsd/darwin/ppc-extra.ver" ;; - powerpc64-*-linux*) - abi_baseline_pair="powerpc64-linux-gnu" - ;; - 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" - ;; esac