Description: Append input CPPFLAGS for lesstif target
Author: أحمد المحمودي (Ahmed El-Mahmoudy) <aelmahmoudy@sabily.org>
--- a/configure
+++ b/configure
@@ -15260,7 +15260,7 @@
 
 fi
 
-	CPPFLAGS="$CFLAGS $X_CFLAGS"
+	CPPFLAGS="$CPPFLAGS $CFLAGS $X_CFLAGS"
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for XOpenDisplay in -lX11" >&5
 $as_echo_n "checking for XOpenDisplay in -lX11... " >&6; }
 if test "${ac_cv_lib_X11_XOpenDisplay+set}" = set; then :
--- a/configure.ac
+++ b/configure.ac
@@ -710,7 +710,7 @@
     case $e in
       lesstif )
 	AC_PATH_XTRA
-	CPPFLAGS="$CFLAGS $X_CFLAGS"
+	CPPFLAGS="$CPPFLAGS $CFLAGS $X_CFLAGS"
 	AC_CHECK_LIB(X11, XOpenDisplay, , , $X_LIBS)
 	AC_CHECK_LIB(ICE, main, , , $X_LIBS)
 	AC_CHECK_LIB(SM, main, , , $X_LIBS)