2003-04-16 Benjamin Kosnik <bkoz@redhat.com>

        * acinclude.m4 (GLIBCPP_CHECK_PCH): New.
        * aclocal.m4: Regenerated.
        * configure.in: Remove old demangler bits.
        Call pch checks.
        * configure: Regenerate.
        * config.h.in: Regenerate.
        * include/Makefile.am (allstamps): Now allstamped.
        (allcreated): Define this.
        (all-local): Use 'em.
        Conditionally define pch_build, pch_install based on
        GLIBCPP_BUILD_PCH.
        (${pch_output}): New rule.
        (install-pch): New rule.
        (install-headers): New rule.
        (install-data-local): Install headers and conditionally pch.
        * include/Makefile.in: Regenerate.
        * testsuite_flags.in (--build-cxx): Use pch file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65717 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 35 insertions, 37 deletions

diff --git a/libstdc++-v3/aclocal.m4 b/libstdc++-v3/aclocal.m4
index 167212ce675..6a329a46df3 100644
--- a/libstdc++-v3/aclocal.m4
+++ b/libstdc++-v3/aclocal.m4
@@ -1,4 +1,4 @@
-dnl aclocal.m4 generated automatically by aclocal 1.4-p6
+dnl aclocal.m4 generated automatically by aclocal 1.4-p5
 
 dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
@@ -1437,6 +1437,36 @@ AC_DEFUN(GLIBCPP_ENABLE_CSTDIO, [
 
 
 dnl
+dnl Check to see if building and using a C++ precompiled header can be done.
+dnl
+dnl GLIBCPP_CHECK_PCH
+dnl
+dnl If it looks like it may work, flip bits on in include/Makefile.am
+dnl
+AC_DEFUN(GLIBCPP_CHECK_PCH, [
+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
+  ac_save_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS='-Werror -Winvalid-pch -Wno-deprecated -x c++-header'
+
+  AC_MSG_CHECKING([for compiler that seems to compile .gch files])
+  if test x${glibcpp_pch_comp+set} != xset; then
+    AC_CACHE_VAL(glibcpp_pch_comp, [
+      AC_LANG_SAVE
+      AC_LANG_CPLUSPLUS
+      AC_TRY_COMPILE([#include <math.h>
+		     ],
+                     [ $1(0);],
+                     [glibcpp_pch_comp=yes], [glibcpp_pch_comp=no])
+      AC_LANG_RESTORE
+    ])
+  fi
+  AC_MSG_RESULT([$glibcpp_pch_comp])
+
+  CXXFLAGS="$ac_save_CXXFLAGS"
+  AM_CONDITIONAL(GLIBCPP_BUILD_PCH, test "$glibcpp_pch_comp" = yes)
+])
+
+dnl
 dnl Setup to use the gcc gthr.h thread-specific memory and mutex model.
 dnl We must stage the required headers so that they will be installed
 dnl with the library (unlike libgcc, the STL implementation is provided
@@ -2308,7 +2338,7 @@ AC_MSG_RESULT($enable_symvers)
 ])
 
 
-# isc-posix.m4 serial 2 (gettext-0.11.2)
+# isc-posix.m4 serial 1 (gettext-0.10.40)
 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
@@ -2316,8 +2346,6 @@ 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)
@@ -2378,8 +2406,7 @@ dnl Usage:
 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
 
 AC_DEFUN([AM_INIT_AUTOMAKE],
-[AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
-AC_REQUIRE([AC_PROG_INSTALL])
+[AC_REQUIRE([AC_PROG_INSTALL])
 PACKAGE=[$1]
 AC_SUBST(PACKAGE)
 VERSION=[$2]
@@ -2395,42 +2422,13 @@ AC_REQUIRE([AM_SANITY_CHECK])
 AC_REQUIRE([AC_ARG_PROGRAM])
 dnl FIXME This is truly gross.
 missing_dir=`cd $ac_aux_dir && pwd`
-AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version}, $missing_dir)
+AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
-AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version}, $missing_dir)
+AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
 AC_REQUIRE([AC_PROG_MAKE_SET])])
 
-# Copyright 2002  Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-
-# AM_AUTOMAKE_VERSION(VERSION)
-# ----------------------------
-# Automake X.Y traces this macro to ensure aclocal.m4 has been
-# generated from the m4 files accompanying Automake X.Y.
-AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.4"])
-
-# AM_SET_CURRENT_AUTOMAKE_VERSION
-# -------------------------------
-# Call AM_AUTOMAKE_VERSION so it can be traced.
-# This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
-AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-	 [AM_AUTOMAKE_VERSION([1.4-p6])])
-
 #
 # Check to make sure that the build environment is sane.
 #