Use CPPFLAGS instead of AM_CPPFLAGS for FreeBSD additions.

Otherwise, it will miss -liconv.  I think.

diff --git a/configure.ac b/configure.ac
index 612619a..04b2e08 100755 (executable)
--- a/configure.ac
+++ b/configure.ac
@@ -180,11 +180,11 @@ dnl If /usr/ports is installed, we use its idea of where things are installed,
 dnl otherwise we assume /usr/local.
 
 AS_IF([test `uname` = FreeBSD],
-       [AM_CPPFLAGS="${AM_CPPFLAGS:+$AM_CPPFLAGS }-D_WITH_GETLINE"
+       [CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }-D_WITH_GETLINE"
         nmh_cv_freebsd_localbase=`echo '.include <bsd.port.mk>' \
                | make -k -f /dev/stdin -V LOCALBASE 2>/dev/null | sed 1q`
         test -z "$nmh_cv_freebsd_localbase" && nmh_cv_freebsd_localbase=/usr/local
-        AM_CPPFLAGS="${AM_CPPFLAGS:+$AM_CPPFLAGS }-I$nmh_cv_freebsd_localbase/include"
+        CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }-I$nmh_cv_freebsd_localbase/include"
         LDFLAGS="${LDFLAGS:+$LDFLAGS }-L$nmh_cv_freebsd_localbase/lib"
 ])