X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=libgcc%2Fconfigure;h=5d71457738cda5ec852709c91013ee402d50ede9;hp=e119d78d81f6a0b6991b57345e6644d2482c27c9;hb=38dd5584b50fd4f0177e1d4fa0047e355f259abe;hpb=894a47b43cc5eb4302f36c91b9d611b79256e98a

diff --git a/libgcc/configure b/libgcc/configure
index e119d78d81f..5d71457738c 100644
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -272,7 +272,7 @@ PACKAGE_STRING='GNU C Runtime Library 1.0'
 PACKAGE_BUGREPORT=''
 
 ac_unique_file="static-object.mk"
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libgcc_topdir enable_shared slibdir INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AWK build build_cpu build_vendor build_os host host_cpu host_vendor host_os host_noncanonical AR ac_ct_AR LIPO ac_ct_LIPO NM ac_ct_NM RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP decimal_float vis_hide tmake_file extra_parts asm_hidden_op LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libgcc_topdir enable_shared slibdir INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA AWK build build_cpu build_vendor build_os host host_cpu host_vendor host_os host_noncanonical build_libsubdir build_subdir host_subdir target_subdir AR ac_ct_AR LIPO ac_ct_LIPO NM ac_ct_NM RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CPP decimal_float enable_decimal_float fixed_point vis_hide set_have_cc_tls tmake_file extra_parts asm_hidden_op LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -810,6 +810,12 @@ Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --disable-shared        don't provide a shared libgcc
+  --enable-version-specific-runtime-libs    Specify that runtime libraries should be installed in a compiler-specific directory
+  --enable-decimal-float={no,yes,bid,dpd}
+			enable decimal float extension to C.  Selecting 'bid'
+			or 'dpd' choses which decimal floating point format
+			to use
+  --enable-tls            Use thread-local storage [default=yes]
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -818,6 +824,7 @@ Optional Packages:
   --with-cross-host=HOST           Configuring with a cross compiler
   --with-ld               arrange to use the specified ld (full pathname)
   --with-slibdir=DIR      shared libraries in DIR LIBDIR
+  --with-build-libsubdir=DIR  Directory where to find libraries for build system
 
 Some influential environment variables:
   CC          C compiler command
@@ -1363,16 +1370,34 @@ else
 fi;
 
 
+echo "$as_me:$LINENO: checking for --enable-version-specific-runtime-libs" >&5
+echo $ECHO_N "checking for --enable-version-specific-runtime-libs... $ECHO_C" >&6
+# Check whether --enable-version-specific-runtime-libs or --disable-version-specific-runtime-libs was given.
+if test "${enable_version_specific_runtime_libs+set}" = set; then
+  enableval="$enable_version_specific_runtime_libs"
+  case "$enableval" in
+ yes) version_specific_libs=yes ;;
+ no)  version_specific_libs=no ;;
+ *)   { { echo "$as_me:$LINENO: error: Unknown argument to enable/disable version-specific libs" >&5
+echo "$as_me: error: Unknown argument to enable/disable version-specific libs" >&2;}
+   { (exit 1); exit 1; }; };;
+ esac
+else
+  version_specific_libs=no
+fi;
+echo "$as_me:$LINENO: result: $version_specific_libs" >&5
+echo "${ECHO_T}$version_specific_libs" >&6
+
 
 # Check whether --with-slibdir or --without-slibdir was given.
 if test "${with_slibdir+set}" = set; then
   withval="$with_slibdir"
   slibdir="$with_slibdir"
 else
-  if test "${enable_version_specific_runtime_libs+set}" = set; then
+  if test "${version_specific_libs}" = yes; then
   slibdir='$(libsubdir)'
-elif test "$host" != "$target"; then
-  slibdir='$(build_tooldir)/lib'
+elif test -n "$with_cross_host" && test x"$with_cross_host" != x"no"; then
+  slibdir='$(exec_prefix)/$(host_noncanonical)/lib'
 else
   slibdir='$(libdir)'
 fi
@@ -1572,6 +1597,41 @@ esac
 
 
 
+ case ${target_alias} in
+  "") target_noncanonical=${host_noncanonical} ;;
+  *) target_noncanonical=${target_alias} ;;
+esac
+
+
+# post-stage1 host modules use a different CC_FOR_BUILD so, in order to
+# have matching libraries, they should use host libraries: Makefile.tpl
+# arranges to pass --with-build-libsubdir=$(HOST_SUBDIR).
+# However, they still use the build modules, because the corresponding
+# host modules (e.g. bison) are only built for the host when bootstrap
+# finishes. So:
+# - build_subdir is where we find build modules, and never changes.
+# - build_libsubdir is where we find build libraries, and can be overridden.
+
+# Prefix 'build-' so this never conflicts with target_subdir.
+build_subdir="build-${build_noncanonical}"
+
+# Check whether --with-build-libsubdir or --without-build-libsubdir was given.
+if test "${with_build_libsubdir+set}" = set; then
+  withval="$with_build_libsubdir"
+  build_libsubdir="$withval"
+else
+  build_libsubdir="$build_subdir"
+fi;
+# --srcdir=. covers the toplevel, while "test -d" covers the subdirectories
+if ( test $srcdir = . && test -d gcc ) \
+   || test -d $srcdir/../host-${host_noncanonical}; then
+  host_subdir="host-${host_noncanonical}"
+else
+  host_subdir=.
+fi
+# No prefix.
+target_subdir=${target_noncanonical}
+
 
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
@@ -3231,6 +3291,90 @@ echo "${ECHO_T}$libgcc_cv_dfp" >&6
 decimal_float=$libgcc_cv_dfp
 
 
+# Check whether --enable-decimal-float or --disable-decimal-float was given.
+if test "${enable_decimal_float+set}" = set; then
+  enableval="$enable_decimal_float"
+
+  case $enable_decimal_float in
+    yes | no | bid | dpd) ;;
+    *) { { echo "$as_me:$LINENO: error: '$enable_decimal_float' is an invalid value for --enable-decimal-float.
+Valid choices are 'yes', 'bid', 'dpd', and 'no'." >&5
+echo "$as_me: error: '$enable_decimal_float' is an invalid value for --enable-decimal-float.
+Valid choices are 'yes', 'bid', 'dpd', and 'no'." >&2;}
+   { (exit 1); exit 1; }; } ;;
+  esac
+
+else
+
+  case $host in
+    powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*)
+      enable_decimal_float=yes
+      ;;
+    *)
+      enable_decimal_float=no
+      ;;
+  esac
+
+fi;
+
+# x86's use BID format instead of DPD
+if test x$enable_decimal_float = xyes; then
+  case $host in
+    i?86*-*-linux* | x86_64*-*-linux*)
+      enable_decimal_float=bid
+      ;;
+    *)
+      enable_decimal_float=dpd
+      ;;
+  esac
+fi
+
+
+# Check for fixed-point support.
+echo "$as_me:$LINENO: checking whether fixed-point is supported" >&5
+echo $ECHO_N "checking whether fixed-point is supported... $ECHO_C" >&6
+if test "${libgcc_cv_fixed_point+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+_Sat _Fract x;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  libgcc_cv_fixed_point=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+libgcc_cv_fixed_point=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $libgcc_cv_fixed_point" >&5
+echo "${ECHO_T}$libgcc_cv_fixed_point" >&6
+fixed_point=$libgcc_cv_fixed_point
+
+
 # Collect host-machine-specific information.
 . ${srcdir}/config.host
 
@@ -3267,6 +3411,75 @@ else
 fi
 
 
+# See if we have thread-local storage.  We can only test assembler
+# sicne link-time and run-time tests require the newly built
+# gcc, which can't be used to build executable due to that libgcc
+# is yet to be built here.
+
+   # Check whether --enable-tls or --disable-tls was given.
+if test "${enable_tls+set}" = set; then
+  enableval="$enable_tls"
+
+      case "$enableval" in
+       yes|no) ;;
+       *) { { echo "$as_me:$LINENO: error: Argument to enable/disable tls must be yes or no" >&5
+echo "$as_me: error: Argument to enable/disable tls must be yes or no" >&2;}
+   { (exit 1); exit 1; }; } ;;
+      esac
+
+else
+  enable_tls=yes
+fi;
+
+  echo "$as_me:$LINENO: checking whether the target asssembler upports thread-local storage" >&5
+echo $ECHO_N "checking whether the target asssembler upports thread-local storage... $ECHO_C" >&6
+if test "${gcc_cv_have_cc_tls+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    cat >conftest.$ac_ext <<_ACEOF
+__thread int a; int b; int main() { return a = b; }
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gcc_cv_have_cc_tls=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gcc_cv_have_cc_tls=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:$LINENO: result: $gcc_cv_have_cc_tls" >&5
+echo "${ECHO_T}$gcc_cv_have_cc_tls" >&6
+set_have_cc_tls=
+if test "$enable_tls $gcc_cv_have_cc_tls" = "yes yes"; then
+  set_have_cc_tls="-DHAVE_CC_TLS"
+fi
+
+
 # Conditionalize the makefile for this target machine.
 tmake_file_=
 for f in ${tmake_file}
@@ -3840,7 +4053,6 @@ cat >>$CONFIG_STATUS <<_ACEOF
 
 srcdir=${srcdir}
 host=${host}
-target=${target}
 with_target_subdir=${with_target_subdir}
 with_multisubdir=${with_multisubdir}
 ac_configure_args="--enable-multilib ${ac_configure_args}"
@@ -3960,6 +4172,10 @@ s,@host_cpu@,$host_cpu,;t t
 s,@host_vendor@,$host_vendor,;t t
 s,@host_os@,$host_os,;t t
 s,@host_noncanonical@,$host_noncanonical,;t t
+s,@build_libsubdir@,$build_libsubdir,;t t
+s,@build_subdir@,$build_subdir,;t t
+s,@host_subdir@,$host_subdir,;t t
+s,@target_subdir@,$target_subdir,;t t
 s,@AR@,$AR,;t t
 s,@ac_ct_AR@,$ac_ct_AR,;t t
 s,@LIPO@,$LIPO,;t t
@@ -3980,7 +4196,10 @@ s,@EXEEXT@,$EXEEXT,;t t
 s,@OBJEXT@,$OBJEXT,;t t
 s,@CPP@,$CPP,;t t
 s,@decimal_float@,$decimal_float,;t t
+s,@enable_decimal_float@,$enable_decimal_float,;t t
+s,@fixed_point@,$fixed_point,;t t
 s,@vis_hide@,$vis_hide,;t t
+s,@set_have_cc_tls@,$set_have_cc_tls,;t t
 s,@tmake_file@,$tmake_file,;t t
 s,@extra_parts@,$extra_parts,;t t
 s,@asm_hidden_op@,$asm_hidden_op,;t t