acinclude.m4 (GLIBCPP_CHECK_PCH): Only set glibcpp_PCHFLAGS if .gch compilation works.

	* acinclude.m4 (GLIBCPP_CHECK_PCH): Only set glibcpp_PCHFLAGS if
	.gch compilation works.
	* aclocal.m4, configure: Regenerate.
	* testsuite_flags.in (--build-cxx): Use glibcpp_PCHFLAGS to
	initialize PCHFLAGS.

From-SVN: r67515

libstdc++-v3/ChangeLog

+2003-06-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	* acinclude.m4 (GLIBCPP_CHECK_PCH): Only set glibcpp_PCHFLAGS if
+	.gch compilation works.
+	* aclocal.m4, configure: Regenerate.
+	* testsuite_flags.in (--build-cxx): Use glibcpp_PCHFLAGS to
+	initialize PCHFLAGS.
+
 2003-06-04  Paolo Carlini  <pcarlini@unitus.it>
 
 	* include/bits/basic_string.h (_M_fold, insert(iterator, _CharT),

libstdc++-v3/acinclude.m4

@@ -1464,6 +1464,12 @@ AC_DEFUN(GLIBCPP_CHECK_PCH, [
 
   CXXFLAGS="$ac_save_CXXFLAGS"
   AM_CONDITIONAL(GLIBCPP_BUILD_PCH, test "$glibcpp_pch_comp" = yes)
+  if test "$glibcpp_pch_comp" = yes; then
+	glibcpp_PCHFLAGS="-include bits/stdc++.h"
+  else
+	glibcpp_PCHFLAGS=""
+  fi
+  AC_SUBST(glibcpp_PCHFLAGS)
 ])
 
 dnl

libstdc++-v3/aclocal.m4

@@ -1476,6 +1476,12 @@ AC_DEFUN(GLIBCPP_CHECK_PCH, [
 
   CXXFLAGS="$ac_save_CXXFLAGS"
   AM_CONDITIONAL(GLIBCPP_BUILD_PCH, test "$glibcpp_pch_comp" = yes)
+  if test "$glibcpp_pch_comp" = yes; then
+	glibcpp_PCHFLAGS="-include bits/stdc++.h"
+  else
+	glibcpp_PCHFLAGS=""
+  fi
+  AC_SUBST(glibcpp_PCHFLAGS)
 ])
 
 dnl

libstdc++-v3/configure

@@ -2784,6 +2784,12 @@ else
   GLIBCPP_BUILD_PCH_TRUE='#'
   GLIBCPP_BUILD_PCH_FALSE=
 fi
+  if test "$glibcpp_pch_comp" = yes; then
+	glibcpp_PCHFLAGS="-include bits/stdc++.h"
+  else
+	glibcpp_PCHFLAGS=""
+  fi
+  
 
 
 # Enable all the variable C++ stuff.  C_MBCHAR must come early.

libstdc++-v3/testsuite_flags.in

@@ -43,7 +43,7 @@ case ${query} in
       echo ${CXX}
       ;;
     --build-cxx)
-      PCHFLAGS="-include bits/stdc++.h"
+      PCHFLAGS="@glibcpp_PCHFLAGS@"
       CXX_build="@glibcpp_CXX@ ${PCHFLAGS}"
       CXX=`echo "$CXX_build" | sed 's,gcc/xgcc ,gcc/g++ ,'`
       echo ${CXX}