diff --git a/libgcobol/Makefile.am b/libgcobol/Makefile.am
index 888cbf2b0b0..cafb733dde1 100644
--- a/libgcobol/Makefile.am
+++ b/libgcobol/Makefile.am
@@ -52,6 +52,8 @@ libgcobol_la_LINK = $(LIBTOOL) --mode=link --tag=CXX $(CXX)	\
 
 WARN_CFLAGS = -W -Wall -Wwrite-strings
 
+AM_CXXFLAGS = $(CXXFLAGS_FOR_TARGET)
+
 # not defined: DEFS, MAX_ERRORS, LTLDFLAGS
 ALL_CXXFLAGS = -I. -I$(srcdir) $(AM_CPPFLAGS) $(DEFS)		\
 	$(XCFLAGS) $(AM_CXXFLAGS) $(WARN_CFLAGS) $(MAX_ERRORS)	\
diff --git a/libgcobol/Makefile.in b/libgcobol/Makefile.in
index 1a1e2ee39eb..c4a562a8058 100644
--- a/libgcobol/Makefile.in
+++ b/libgcobol/Makefile.in
@@ -431,6 +431,7 @@ libgcobol_la_LINK = $(LIBTOOL) --mode=link --tag=CXX $(CXX)	\
 		$(LTLDFLAGS) $(LTLIBICONV)
 
 WARN_CFLAGS = -W -Wall -Wwrite-strings
+AM_CXXFLAGS = $(CXXFLAGS_FOR_TARGET)
 
 # not defined: DEFS, MAX_ERRORS, LTLDFLAGS
 ALL_CXXFLAGS = -I. -I$(srcdir) $(AM_CPPFLAGS) $(DEFS)		\