diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 807f4ac99cdc2eb84ebe7ff7f9841ecf14c5df0c..65b7e8e3d4e420fd57d47a492191d9a336d920a2 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,10 +1,15 @@
+2012-12-04  Steven Bosscher  <steven@gcc.gnu.org>
+
+	* include/Makefile.am: Fix regexp broken by previous commit.
+	* include/Makefile.in: Likewise.
+
 2012-12-03  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/ext/pb_ds/detail/cc_hash_table_map_/standard_policies.hpp:
 	Remove.
 	* include/ext/pb_ds/detail/gp_hash_table_map_/standard_policies.hpp:
 	Remove.
- 	* include/Makefile.am (pb_headers): Remove include files.
+	* include/Makefile.am (pb_headers): Remove include files.
 	* include/Makefile.in: Regenerated.
 
 2012-12-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 27454c7f71ed4ccabc753e6804c370c4dc12129f..6760bd8ab76bff99b5f869f1342b62de87de02ab 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -1105,7 +1105,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	visibility=`cat stamp-visibility` ;\
 	externtemplate=`cat stamp-extern-template` ;\
 	ldbl_compat='s,g,g,' ;\
-	grep "^[	]*#[	]*define[	][	]*_GLIBCXX_LONG_DOUBLE_COMPAT[	][	]*1[	]*$$" \
+	grep "^[ 	]*#[ 	]*define[ 	][ 	]*_GLIBCXX_LONG_DOUBLE_COMPAT[ 	][ 	]*1[ 	]*$$" \
 	${CONFIG_HEADER} > /dev/null 2>&1 \
 	&& ldbl_compat='s,^#undef _GLIBCXX_LONG_DOUBLE_COMPAT$$,#define _GLIBCXX_LONG_DOUBLE_COMPAT 1,' ;\
 	sed -e "s,define __GLIBCXX__,define __GLIBCXX__ $$date," \
@@ -1119,7 +1119,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	    -e 's/VERSION/_GLIBCXX_VERSION/g' \
 	    -e 's/WORDS_/_GLIBCXX_WORDS_/g' \
 	    -e 's/ICONV_CONST/_GLIBCXX_ICONV_CONST/g' \
-	    -e '/[	]_GLIBCXX_LONG_DOUBLE_COMPAT[	]/d' \
+	    -e '/[ 	]_GLIBCXX_LONG_DOUBLE_COMPAT[ 	]/d' \
 	    < ${CONFIG_HEADER} >> $@ ;\
 	echo "" >> $@ ;\
 	echo "#endif // _GLIBCXX_CXX_CONFIG_H" >> $@
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index 759bcd128484d5a2c1a19625c9d6b623a4d43d7f..7fd84874277eaae3df2254a0de718aa3c869dbab 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -1507,7 +1507,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	visibility=`cat stamp-visibility` ;\
 	externtemplate=`cat stamp-extern-template` ;\
 	ldbl_compat='s,g,g,' ;\
-	grep "^[	]*#[	]*define[	][	]*_GLIBCXX_LONG_DOUBLE_COMPAT[	][	]*1[	]*$$" \
+	grep "^[ 	]*#[ 	]*define[ 	][ 	]*_GLIBCXX_LONG_DOUBLE_COMPAT[ 	][ 	]*1[ 	]*$$" \
 	${CONFIG_HEADER} > /dev/null 2>&1 \
 	&& ldbl_compat='s,^#undef _GLIBCXX_LONG_DOUBLE_COMPAT$$,#define _GLIBCXX_LONG_DOUBLE_COMPAT 1,' ;\
 	sed -e "s,define __GLIBCXX__,define __GLIBCXX__ $$date," \
@@ -1521,7 +1521,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	    -e 's/VERSION/_GLIBCXX_VERSION/g' \
 	    -e 's/WORDS_/_GLIBCXX_WORDS_/g' \
 	    -e 's/ICONV_CONST/_GLIBCXX_ICONV_CONST/g' \
-	    -e '/[	]_GLIBCXX_LONG_DOUBLE_COMPAT[	]/d' \
+	    -e '/[ 	]_GLIBCXX_LONG_DOUBLE_COMPAT[ 	]/d' \
 	    < ${CONFIG_HEADER} >> $@ ;\
 	echo "" >> $@ ;\
 	echo "#endif // _GLIBCXX_CXX_CONFIG_H" >> $@