diff --git a/installation/compile_CoreModule.py b/installation/compile_CoreModule.py
index 052d007e6..0496cad29 100755
--- a/installation/compile_CoreModule.py
+++ b/installation/compile_CoreModule.py
@@ -36,7 +36,7 @@ if options['F90'] not in compilers:
 
 compiler = {
             'gfortran': '--fcompiler=gnu95 --f90flags="-fPIC -fno-range-check -xf95-cpp-input -std=f2008 -fall-intrinsics'+\
-                        ' -fdefault-real-8 -fdefault-double-8 -shared"',
+                        ' -fdefault-real-8 -fdefault-double-8"',
             'ifort':    '--fcompiler=intelem --f90flags="-fPIC -fpp -stand f08 -diag-disable 5268 -assume byterecl'+\
                         ' -real-size 64 -integer-size 32 -shared-intel"',
             }[options['F90']]
@@ -46,7 +46,7 @@ compileOptions = ' -DSpectral -DFLOAT=8 -DINT=4 -I%s/lib'%damaskEnv.rootDir()
 
 #--- this saves the path of libraries to core.so, hence it is known during runtime ----------------
 if options['F90'] == 'gfortran':
-  LDFLAGS = '-Wl,-undefined,dynamic_lookup'     # solved error: Undefined symbols for architecture x86_64: "_PyArg_ParseTupleAndKeywords" as found on https://lists.macosforge.org/pipermail/macports-dev/2013-May/022735.html
+  LDFLAGS = '-shared -Wl,-undefined,dynamic_lookup'     # solved error: Undefined symbols for architecture x86_64: "_PyArg_ParseTupleAndKeywords" as found on https://lists.macosforge.org/pipermail/macports-dev/2013-May/022735.html
 else:
   LDFLAGS = ' -Wl'
 
diff --git a/processing/pre/seeds_fromRandom.py b/processing/pre/seeds_fromRandom.py
index b3c64fac0..60519ca0a 100755
--- a/processing/pre/seeds_fromRandom.py
+++ b/processing/pre/seeds_fromRandom.py
@@ -82,11 +82,11 @@ seeds[1,:]=(numpy.mod(seedpoint//                  options.grid[0],options.grid[
 seeds[2,:]=(numpy.mod(seedpoint//(options.grid[1]*options.grid[0]),options.grid[2])\
                                                             +numpy.random.random())/options.grid[2]
 
-print "5\theader"
-print scriptID
-print "grid\ta %i\tb %i\tc %i"%(options.grid[0],options.grid[1],options.grid[2],)
-print "microstructures\t%i"%options.N
-print "randomSeed\t%i"%(options.randomSeed)
-print "x\ty\tz\tphi1\tPhi\tphi2"
+sys.stdout.write("5\theader\n")
+sys.stdout.write(scriptID + " " + " ".join(sys.argv[1:])+"\n")
+sys.stdout.write("grid\ta {}\tb {}\tc {}\n".format(options.grid[0],options.grid[1],options.grid[2]))
+sys.stdout.write("microstructures\t{}\n".format(options.N))
+sys.stdout.write("randomSeed\t{}\n".format(options.randomSeed))
+sys.stdout.write("x\ty\tz\tphi1\tPhi\tphi2\n")
 
 numpy.savetxt(sys.stdout,numpy.transpose(numpy.concatenate((seeds,grainEuler),axis = 0)),fmt='%10.6f',delimiter='\t')