diff --git a/configure b/configure
index 3c5be95..4dde863 100755
--- a/configure
+++ b/configure
@@ -2139,8 +2139,8 @@ MYDOCUMENTFILES="COPYING FOSSEXCEPTION ChangeLog doc kyotocabinet.idl"
 MYPCFILES="kyotocabinet.pc"
 
 # Building flags
-MYCFLAGS="-Wall -ansi -pedantic -fPIC -fsigned-char -g0 -O2"
-MYCXXFLAGS="-Wall -fPIC -fsigned-char -g0 -O2"
+MYCFLAGS="-Wall -ansi -pedantic -fPIC -fsigned-char -g -O2"
+MYCXXFLAGS="-Wall -fPIC -fsigned-char -g -O2"
 MYCPPFLAGS="-I. -I\$(INCLUDEDIR) -I/usr/local/include"
 MYCPPFLAGS="$MYCPPFLAGS -DNDEBUG -D_GNU_SOURCE=1"
 MYCPPFLAGS="$MYCPPFLAGS -D_FILE_OFFSET_BITS=64 -D_REENTRANT -D__EXTENSIONS__"
diff --git a/configure.in b/configure.in
index cf4bd1c..f43d198 100644
--- a/configure.in
+++ b/configure.in
@@ -35,8 +35,8 @@ MYDOCUMENTFILES="COPYING FOSSEXCEPTION ChangeLog doc kyotocabinet.idl"
 MYPCFILES="kyotocabinet.pc"
 
 # Building flags
-MYCFLAGS="-Wall -ansi -pedantic -fPIC -fsigned-char -g0 -O2"
-MYCXXFLAGS="-Wall -fPIC -fsigned-char -g0 -O2"
+MYCFLAGS="-Wall -ansi -pedantic -fPIC -fsigned-char -g -O2"
+MYCXXFLAGS="-Wall -fPIC -fsigned-char -g -O2"
 MYCPPFLAGS="-I. -I\$(INCLUDEDIR) -I/usr/local/include"
 MYCPPFLAGS="$MYCPPFLAGS -DNDEBUG -D_GNU_SOURCE=1"
 MYCPPFLAGS="$MYCPPFLAGS -D_FILE_OFFSET_BITS=64 -D_REENTRANT -D__EXTENSIONS__"