diff --git a/qse/lib/awk/Makefile.am b/qse/lib/awk/Makefile.am
index 158aeb33..1496bbe5 100644
--- a/qse/lib/awk/Makefile.am
+++ b/qse/lib/awk/Makefile.am
@@ -1,6 +1,6 @@
 AUTOMAKE_OPTIONS = nostdinc
 
-AM_CFLAGS = $(PTHREAD_CFLAGS)
+##AM_CFLAGS = $(PTHREAD_CFLAGS)
 
 CPPFLAGS_ALL_COMMON = \
 	-I$(top_builddir)/include \
diff --git a/qse/lib/awk/Makefile.in b/qse/lib/awk/Makefile.in
index 811dfd09..f49c8880 100644
--- a/qse/lib/awk/Makefile.in
+++ b/qse/lib/awk/Makefile.in
@@ -498,7 +498,6 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 AUTOMAKE_OPTIONS = nostdinc
-AM_CFLAGS = $(PTHREAD_CFLAGS)
 CPPFLAGS_ALL_COMMON = \
 	-I$(top_builddir)/include \
 	-I$(top_srcdir)/include