X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=libstdc%2B%2B-v3%2Fconfigure.host;h=b0e2cd9eaa69c1adf5447428271f0006cde31257;hp=48397fde0719a088379eb5bcb7e869e941e79318;hb=cb78a1fb48d354129d24a804bd321fdd6692357c;hpb=9cc348f678c2d73ca7379b82c64a8a9b3f4849dc

diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
index 48397fde071..b0e2cd9eaa6 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.
@@ -30,6 +30,11 @@
 #   abi_baseline_pair      directory name for ABI compat testing,
 #                          defaults to host_cpu-host_os (as per config.guess)
 #
+#   abi_baseline_subdir_switch
+#			   g++ switch to determine ABI baseline subdir for
+#			   multilibbed targets,
+#			   defaults to --print-multi-directory
+#
 #   abi_tweaks_dir         location of cxxabi_tweaks.h,
 #                          defaults to cpu_include_dir
 #
@@ -39,6 +44,16 @@
 #   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
@@ -61,89 +76,116 @@
 # 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
+atomic_flags=""
+atomicity_dir="cpu/generic"
+cpu_defines_dir="cpu/generic"
+try_cpu=generic
+abi_baseline_subdir_switch=--print-multi-directory
+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=${host_cpu}
-    else
-      try_cpu=generic
     fi
+esac
+
+
+# Now look for the file(s) usually tied to a CPU model, and make
+# default choices for those if they haven't been explicitly set
+# already.  
+cpu_include_dir=cpu/${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.
+
+# 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)
+    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.
@@ -155,11 +197,13 @@ case "${host_os}" in
     # explicitly duplicate the directory for 4.[<3].
     os_include_dir="os/aix"
     atomicity_dir="os/aix"
+    atomic_word_dir="os/aix"
     OPT_LDFLAGS="-Wl,-G"
     ;;
   aix4.*)
     os_include_dir="os/generic"
     atomicity_dir="os/aix"
+    atomic_word_dir="os/aix"
     ;;
   aix*)
     os_include_dir="os/generic"
@@ -171,36 +215,77 @@ case "${host_os}" in
     ;;
   cygwin*)
     os_include_dir="os/newlib"
+    OPT_LDFLAGS="${OPT_LDFLAGS} \$(lt_host_flags)"
+    ;;
+  darwin | darwin[1-7] | darwin[1-7].*)
+    # On Darwin, performance is improved if libstdc++ is single-module.
+    # Up to at least 10.3.7, -flat_namespace is required for proper
+    # treatment of coalesced symbols.
+    OPT_LDFLAGS="${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="${OPT_LDFLAGS} -Wl,-single_module"
+    case "${host_cpu}" in
+      i[34567]86 | x86_64)
+        OPTIMIZE_CXXFLAGS="${OPTIMIZE_CXXFLAGS} -fvisibility-inlines-hidden"
+        ;;
+    esac
+    os_include_dir="os/bsd/darwin"
     ;;
   *djgpp*)      # leading * picks up "msdosdjgpp"
     os_include_dir="os/djgpp"
+    error_constants_dir="os/djgpp"
     ;;
   freebsd*)
     os_include_dir="os/bsd/freebsd"
     ;;
   gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
-    os_include_dir="os/gnu-linux"
+    if [ "$uclibc" = "yes" ]; then
+      os_include_dir="os/uclibc"
+    elif [ "$bionic" = "yes" ]; then
+      os_include_dir="os/bionic"
+    else
+      os_include_dir="os/gnu-linux"
+    fi
     ;;
   hpux*)
     os_include_dir="os/hpux"
     ;;
-  irix[1-6] | irix[1-5].* | irix6.[0-4]*)
-    # This is known to work on at least IRIX 5.2 and 6.3.
-    os_include_dir="os/irix/irix5.2"
-    atomicity_dir=os/irix
-    atomic_word_dir=os/irix
-    ;;
   irix6.5*)
     os_include_dir="os/irix/irix6.5"
     atomicity_dir=os/irix
     atomic_word_dir=os/irix
+    # libstdc++.so relies on emutls on IRIX, which only works with the
+    # real functions implemented in libpthread.so, not with the stubs in
+    # libc, so always pass -lpthread.
+    OPT_LDFLAGS="${OPT_LDFLAGS} -lpthread"
     ;;
   mingw32*)
-    os_include_dir="os/mingw32"
+    case "$host" in
+      *-w64-*)
+        os_include_dir="os/mingw32-w64"
+        error_constants_dir="os/mingw32-w64"
+        ;;
+      *)
+        os_include_dir="os/mingw32"
+        error_constants_dir="os/mingw32"
+        ;;
+    esac
+    OPT_LDFLAGS="${OPT_LDFLAGS} \$(lt_host_flags)"
     ;;
   netbsd*)
     os_include_dir="os/bsd/netbsd"
     ;;
+  osf*)
+    os_include_dir="os/osf"
+    # libstdc++.so relies on emutls on Tru64 UNIX, which only works with the
+    # real functions implemented in libpthread.so, not with the dummies in
+    # libgcc, so always pass -lpthread.
+    OPT_LDFLAGS="${OPT_LDFLAGS} -lpthread"
+    ;;
   qnx6.[12]*)
     os_include_dir="os/qnx/qnx6.1"
     c_model=c
@@ -211,14 +296,8 @@ case "${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"
+  solaris2.[89] | solaris2.1[0-9])
+    os_include_dir="os/solaris/solaris2.8"
     ;;
   tpf)
     os_include_dir="os/tpf"
@@ -226,9 +305,6 @@ case "${host_os}" in
   vxworks)
     os_include_dir="os/vxworks"
     ;;
-  windiss*)
-    os_include_dir="os/windiss"
-    ;;
   *)
     os_include_dir="os/generic"
     ;;
@@ -238,33 +314,46 @@ esac
 # Set any OS-dependent and CPU-dependent bits.
 # THIS TABLE IS SORTED.  KEEP IT THAT WAY.
 case "${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
+        ;;
+      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"
+    ;;
+  *-*-solaris2.[89])
+    abi_baseline_pair=solaris2.8
+    abi_baseline_subdir_switch=--print-multi-os-directory
+    ;;
+  *-*-solaris2.1[0-9])
+    abi_baseline_pair=solaris2.10
+    abi_baseline_subdir_switch=--print-multi-os-directory
     ;;
 esac