diff --git a/etc/defaults/make.conf b/etc/defaults/make.conf
index 7a5a5faebcd7..f88564b60f7a 100644
--- a/etc/defaults/make.conf
+++ b/etc/defaults/make.conf
@@ -26,6 +26,15 @@
 #
 #CXXFLAGS+= -fmemoize-lookups -fsave-memoized
 #
+# BDECFLAGS are a set of gcc warning settings that Bruce Evans has suggested
+# for use in developing FreeBSD and testing changes.  They can be used by
+# putting "CFLAGS+=${BDECFLAGS}" in /etc/make.conf.
+#
+BDECFLAGS=	-W -Wall -ansi -pedantic -Wbad-function-cast -Wcast-align \
+		-Wcast-qual -Wchar-subscripts -Wconversion -Winline \
+		-Wmissing-prototypes -Wnested-externs -Wpointer-arith \
+		-Wredundant-decls -Wshadow -Wstrict-prototypes -Wwrite-strings
+#
 # Avoid compiling profiled libraries
 #NOPROFILE=	true
 #
diff --git a/share/examples/etc/make.conf b/share/examples/etc/make.conf
index 7a5a5faebcd7..f88564b60f7a 100644
--- a/share/examples/etc/make.conf
+++ b/share/examples/etc/make.conf
@@ -26,6 +26,15 @@
 #
 #CXXFLAGS+= -fmemoize-lookups -fsave-memoized
 #
+# BDECFLAGS are a set of gcc warning settings that Bruce Evans has suggested
+# for use in developing FreeBSD and testing changes.  They can be used by
+# putting "CFLAGS+=${BDECFLAGS}" in /etc/make.conf.
+#
+BDECFLAGS=	-W -Wall -ansi -pedantic -Wbad-function-cast -Wcast-align \
+		-Wcast-qual -Wchar-subscripts -Wconversion -Winline \
+		-Wmissing-prototypes -Wnested-externs -Wpointer-arith \
+		-Wredundant-decls -Wshadow -Wstrict-prototypes -Wwrite-strings
+#
 # Avoid compiling profiled libraries
 #NOPROFILE=	true
 #