acinclude.m4: Uniform formatting.

2002-11-21  Phil Edwards  <pme@gcc.gnu.org>

	* acinclude.m4:  Uniform formatting.
	* configure.in:  x
	* configure.target:  x
	* aclocal.m4, configure:  Regenerate.

From-SVN: r59328

libstdc++-v3/ChangeLog

 2002-11-21  Phil Edwards  <pme@gcc.gnu.org>
 
+	* acinclude.m4:  Uniform formatting.
+	* configure.in:  x
+	* configure.target:  x
+	* aclocal.m4, configure:  Regenerate.
+
+2002-11-21  Phil Edwards  <pme@gcc.gnu.org>
+
 	* include/bits/streambuf.tcc (basic_streambuf::sputbackc):  Prefix
 	"this->" to call to pbackfail.
 

libstdc++-v3/acinclude.m4

@@ -921,9 +921,9 @@ dnl compilation, pick them up here.
 dnl 
 dnl GLIBCPP_CHECK_TARGET
 AC_DEFUN(GLIBCPP_CHECK_TARGET, [
-    . [$]{glibcpp_basedir}/configure.target
-    AC_MSG_RESULT(CPU config directory is $cpu_include_dir)
-    AC_MSG_RESULT(OS config directory is $os_include_dir)
+  . [$]{glibcpp_basedir}/configure.target
+  AC_MSG_RESULT(CPU config directory is $cpu_include_dir)
+  AC_MSG_RESULT(OS config directory is $os_include_dir)
 ])
 
 
@@ -1120,14 +1120,14 @@ fi
 dnl Run through flags (either default or command-line) and set anything
 dnl extra (e.g., #defines) that must accompany particular g++ options.
 if test -n "$enable_cxx_flags"; then
-    for f in $enable_cxx_flags; do
-        case "$f" in
-            -fhonor-std)  ;;
-            -*)  ;;
-            *)   # and we're trying to pass /what/ exactly?
-                 AC_MSG_ERROR([compiler flags start with a -]) ;;
-        esac
-    done
+  for f in $enable_cxx_flags; do
+    case "$f" in
+      -fhonor-std)  ;;
+      -*)  ;;
+      *)   # and we're trying to pass /what/ exactly?
+           AC_MSG_ERROR([compiler flags start with a -]) ;;
+    esac
+  done
 fi
 EXTRA_CXX_FLAGS="$enable_cxx_flags"
 AC_SUBST(EXTRA_CXX_FLAGS)

libstdc++-v3/aclocal.m4

@@ -933,9 +933,9 @@ dnl compilation, pick them up here.
 dnl 
 dnl GLIBCPP_CHECK_TARGET
 AC_DEFUN(GLIBCPP_CHECK_TARGET, [
-    . [$]{glibcpp_basedir}/configure.target
-    AC_MSG_RESULT(CPU config directory is $cpu_include_dir)
-    AC_MSG_RESULT(OS config directory is $os_include_dir)
+  . [$]{glibcpp_basedir}/configure.target
+  AC_MSG_RESULT(CPU config directory is $cpu_include_dir)
+  AC_MSG_RESULT(OS config directory is $os_include_dir)
 ])
 
 
@@ -1132,14 +1132,14 @@ fi
 dnl Run through flags (either default or command-line) and set anything
 dnl extra (e.g., #defines) that must accompany particular g++ options.
 if test -n "$enable_cxx_flags"; then
-    for f in $enable_cxx_flags; do
-        case "$f" in
-            -fhonor-std)  ;;
-            -*)  ;;
-            *)   # and we're trying to pass /what/ exactly?
-                 AC_MSG_ERROR([compiler flags start with a -]) ;;
-        esac
-    done
+  for f in $enable_cxx_flags; do
+    case "$f" in
+      -fhonor-std)  ;;
+      -*)  ;;
+      *)   # and we're trying to pass /what/ exactly?
+           AC_MSG_ERROR([compiler flags start with a -]) ;;
+    esac
+  done
 fi
 EXTRA_CXX_FLAGS="$enable_cxx_flags"
 AC_SUBST(EXTRA_CXX_FLAGS)
@@ -2262,6 +2262,33 @@ AC_MSG_RESULT($enable_symvers)
 ])
 
 
+# isc-posix.m4 serial 2 (gettext-0.11.2)
+dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# This file is not needed with autoconf-2.53 and newer.  Remove it in 2005.
+
+# This test replaces the one in autoconf.
+# Currently this macro should have the same name as the autoconf macro
+# because gettext's gettext.m4 (distributed in the automake package)
+# still uses it.  Otherwise, the use in gettext.m4 makes autoheader
+# give these diagnostics:
+#   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
+#   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
+
+undefine([AC_ISC_POSIX])
+
+AC_DEFUN([AC_ISC_POSIX],
+  [
+    dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
+    AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
+  ]
+)
+
 # Add --enable-maintainer-mode option to configure.
 # From Jim Meyering
 

libstdc++-v3/configure.in

@@ -70,6 +70,19 @@ GLIBCPP_ENABLE_CONCEPT_CHECKS
 # Check for headers necessary for libsupc++ using dyn-string.c/cxa_demangle.c
 AC_CHECK_HEADERS(string.h stdlib.h)
 
+# No surprises, no surprises...
+if test $ATOMICITYH = cpu/generic ; then
+  AC_MSG_WARN([No native atomic operations are provided yet for this platform.])
+  if test $target_thread_file = single; then
+    AC_MSG_WARN([They cannot be faked when thread support is disabled.])
+    AC_MSG_WARN([Thread-safety of certain classes is not guaranteed.])
+  else
+    AC_MSG_WARN([They will be faked using a mutex.])
+    AC_MSG_WARN([Performance of certain classes will degrade as a result.])
+  fi
+fi
+
+
 if test -n "$with_cross_host" || test x"$build" != x"$host"; then
 
   # We are being configured with some form of cross compiler.
@@ -417,7 +430,7 @@ GLIBCPP_ENABLE_SYMVERS([yes])
 
 # Propagate the target-specific source directories through the build chain.
 # (Nothing currently uses cpu_include_dir directly; only ATOMICITYH 
-# uses it, and they only get used here.)
+# uses it, and it only gets used in this file.)
 OS_INC_SRCDIR=config/${os_include_dir}
 ATOMICITY_INC_SRCDIR=config/${ATOMICITYH}
 AC_SUBST(OS_INC_SRCDIR)

libstdc++-v3/configure.target

@@ -18,7 +18,7 @@
 #
 #   cpu_include_dir        CPU-specific directory, defaults to cpu/generic
 #                              if cpu/target_cpu doesn't exist.  This is
-#                              used to set the next two:
+#                              used to set ATOMICITYH.
 #
 #   os_include_dir         OS-specific directory, defaults to os/generic.
 #