From dbc24925d2873aa3418cb08296af0039f4284f4e Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <johannes.hofmann@gmx.de>
Date: Tue, 19 Apr 2005 18:21:22 +0000
Subject: improve fltk detection

improve fltk detection
---
 configure.ac | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index aecf0dc..80f29f9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,9 +34,14 @@ AC_TYPE_SIGNAL
 AC_CHECK_FUNCS([dup2 setenv strchr strdup strrchr strstr])
 
 # Check for fltk
-AC_ARG_WITH([fltk-dir], AS_HELP_STRING([--with-fltk-dir=DIR], [fltk is installed in DIR]), [CPPFLAGS="-I$withval/include ${_cppflags}" LDFLAGS="-L$withval/lib $LDFLAGS"], [CPPFLAGS="-I/usr/X11R6/include ${_cppflags}" LDFLAGS="-L/usr/X11R6/lib $LDFLAGS"])
-AC_CHECK_HEADERS([FL/Fl.H], [], [echo "Error: FL/Fl.H not found. Try './configure --with-fltk-dir=DIR'"; exit 1;])
-AC_CHECK_LIB([fltk], [open], [], [echo "Error: libfltk.so not found. Try './configure --with-fltk-dir=DIR'"; exit 1;])
+AC_PATH_PROG(FLTKCONFIG,fltk-config)
+if test "x$FLTKCONFIG" = x; then
+	echo "fltk-config not found"
+	exit 1
+fi
+CFLAGS="`$FLTKCONFIG --cflags` $CFLAGS"
+CXXFLAGS="`$FLTKCONFIG --cflags` $CXXFLAGS"
+LIBS="`$FLTKCONFIG --ldflags` $LIBS"
 
 # Check for X11
 AC_CHECK_LIB([X11], [open], [], [echo "Error: libX11.so not found."; exit 1;])
-- 
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