diff --git a/ChangeLog b/ChangeLog
index fbc94ed09..09dba9503 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-11-29  Andreas Schwab  <schwab@redhat.com>
+
+	* configure.ac: Move comment to remove extra space in last argument
+	of GCC_TARGET_TOOL.
+
 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
 
 	PR other/46020
diff --git a/configure.ac b/configure.ac
index 7859290a8..65c0a74cd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3235,8 +3235,9 @@ RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
+dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
-		[gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
+		[gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
 		c++)
 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
 		[gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],