diff --git a/configure b/configure
index 440b375f..247c4850 100755
--- a/configure
+++ b/configure
@@ -1763,6 +1763,7 @@ _ACEOF
 
 SYSTEM="`uname -s`"
 CPU="`uname -m`"
+LDFLAGS="-I /usr/local/include"
 
 # Extract the first word of "gmake", so it can be a program name with args.
 set dummy gmake; ac_word=$2
diff --git a/configure.in b/configure.in
index c7e49685..67d6ac26 100644
--- a/configure.in
+++ b/configure.in
@@ -40,6 +40,7 @@ AC_DEFINE_UNQUOTED(SHORTRIGHT, "$SHORTRIGHT")
 AC_SUBST(VERSION)
 SYSTEM="`uname -s`"
 CPU="`uname -m`"
+LDFLAGS="-I /usr/local/include"
 
 dnl
 dnl Checks for programs.
diff --git a/examples/Makefile b/examples/Makefile
index a3fc4edb..fbec68c1 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -12,7 +12,7 @@ OTHER		= Makefile header.txt footer.txt \
 #####################################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:
 
diff --git a/lib/Makefile b/lib/Makefile
index 42e1d358..338f570f 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -51,7 +51,7 @@ SLIBS		= ../lib/libmbse.a
 #############################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		${TARGET}
 
diff --git a/mbcico/Makefile b/mbcico/Makefile
index 4bac96bc..e16f988d 100644
--- a/mbcico/Makefile
+++ b/mbcico/Makefile
@@ -38,7 +38,7 @@ TARGET		= mbcico mbout
 #############################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		${TARGET}
 
diff --git a/mbfido/Makefile b/mbfido/Makefile
index 6146d37b..4cc0a0e0 100644
--- a/mbfido/Makefile
+++ b/mbfido/Makefile
@@ -54,7 +54,7 @@ TARGET		= mbfido mbseq mbaff mbindex mbdiff mbfile mbmsg
 ####################################################################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		${TARGET}
 
diff --git a/mbmon/Makefile b/mbmon/Makefile
index 5b0c509f..d3588280 100644
--- a/mbmon/Makefile
+++ b/mbmon/Makefile
@@ -13,7 +13,7 @@ OTHER		= Makefile
 #############################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		mbmon
 
diff --git a/mbnntp/Makefile b/mbnntp/Makefile
index e983ed4c..523f3f93 100644
--- a/mbnntp/Makefile
+++ b/mbnntp/Makefile
@@ -15,7 +15,7 @@ OTHER		= Makefile
 #############################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		mbnntp
 
diff --git a/mbsebbs/Makefile b/mbsebbs/Makefile
index a537575f..1bf2b7f0 100644
--- a/mbsebbs/Makefile
+++ b/mbsebbs/Makefile
@@ -41,7 +41,7 @@ TARGET		= mbsebbs mbnewusr
 #############################################################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		${TARGET}
 
diff --git a/mbsetup/Makefile b/mbsetup/Makefile
index 6e9cd681..1f5e9c7f 100644
--- a/mbsetup/Makefile
+++ b/mbsetup/Makefile
@@ -28,7 +28,7 @@ OTHER		= Makefile
 #############################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		mbsetup
 
diff --git a/mbtask/Makefile b/mbtask/Makefile
index 493dc499..c0e7206c 100644
--- a/mbtask/Makefile
+++ b/mbtask/Makefile
@@ -19,7 +19,7 @@ OTHER		= Makefile issue issue.netbsd
 #############################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		mbtask
 
diff --git a/mbutils/Makefile b/mbutils/Makefile
index 261d150a..bdab0ff7 100644
--- a/mbutils/Makefile
+++ b/mbutils/Makefile
@@ -24,7 +24,7 @@ TARGET		= mball mblang mbstat mbtoberep mbuser mbbw
 #############################################################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		${TARGET}
 
diff --git a/unix/Makefile b/unix/Makefile
index ac53526b..013934c1 100644
--- a/unix/Makefile
+++ b/unix/Makefile
@@ -24,7 +24,7 @@ TARGET		= mbuseradd mbpasswd mblogin
 #############################################################################################################
 
 .c.o:
-		${CC} ${CFLAGS} ${INCLUDES} ${DEFINES} -c $<
+		${CC} ${CFLAGS} ${LDFLAGS} ${INCLUDES} ${DEFINES} -c $<
 
 all:		${TARGET}