- Removed -fwritable-string

SKIPPED:
	psi/dornier2.c
	psi/ecbdriv.c
	psi/el734hp.c
	psi/libpsi.a
	psi/make_gen
	psi/makefile_linux
	psi/pimotor.c
	psi/pipiezo.c
	psi/sinqhttp.c
	psi/tcpdornier.c
	psi/velodornier.c

fourlib.h

@@ -171,6 +171,25 @@ void phimat(MATRIX phim, double phi);
  * returns 1 on success, 0 else
  */
 int calcTheta(double lambda, MATRIX z1, double *d, double *theta);
+
+/**
+ * try very hard to calculate settings for the bisecting position
+ * within the instruments limits. Tries to tweak omega and to rotate 
+ * psi until a usable position can be found.
+ * @param lambda The wavelength
+ * @param z1 The scattering for which to find a position
+ * @param fSet The output setting angles. In case of a failure this 
+ * contains the normal setting angles for psi = 0. The order is:
+ * 2 theta, om, chi, phi
+ * @testFunc A user supplied function which test if the setting angles 
+ * are in range.
+ * @param userData A user specified pointer to some data which may be needed
+ *  in testing the range.
+ * @return 0 on failure, 1 on success.   
+ */   
+typedef int (*inRange)(void *userData, float dSet[4], int mask[4]);
+int findAllowedBisecting(double lambda, MATRIX z1, float fSet[4], 
+    inRange testFunc, void *userData);
  
 #endif