Make out of source build possible

dpiparo · Nov 11, 2016 · 616450e · 616450e
1 parent cf5f878
commit 616450e
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Showing 2 changed files with 12 additions and 6 deletions.
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -6,7 +6,7 @@ set (SIGGENOPTS  " -p")
 else()
 set (SIGGENOPTS  " ")
 endif()
-EXEC_PROGRAM ("cd src;python signatures_generator.py ${SIGGENOPTS};cd -")
+EXEC_PROGRAM ("cd src;python ${CMAKE_SOURCE_DIR}/src/signatures_generator.py ${SIGGENOPTS} -o ${CMAKE_SOURCE_DIR}/src;cd -")
 
 #generare Vc wrapper and config file
 if(USE_VC)

diff --git a/src/signatures_generator.py b/src/signatures_generator.py
@@ -6,6 +6,9 @@
 the ones for the preload
 """
 
+from optparse import OptionParser
+import os
+
 RESTRICT="__restrict__"
 
 LIBM_FUNCTIONS_LIST=["asin",
@@ -115,24 +118,27 @@ def get_impl_file():
 
 #------------------------------------------------------------------
 
-def create_impl(preloadSignatures):
-  ofile=open(VDT_VECTOR_IMPL,'w')
+def create_impl(preloadSignatures,outdir):
+  ofile=open(os.path.join(outdir,VDT_VECTOR_IMPL),'w')
   ofile.write(get_impl_file())
   if preloadSignatures:
     ofile.write(create_preload_signatures())
   ofile.close()
 
 #------------------------------------------------------------------
 
-from optparse import OptionParser
-
 if __name__ == "__main__":
   parser = OptionParser(usage="usage: %prog [options]")
   parser.add_option("-p",
                     action="store_true",
                     dest="preload_flag",
                     default=False,
                     help="Create symbols for the preload")
+  parser.add_option("-o",
+                    dest="outdir",
+                    default="./",
+                    help="specify output directory")
   (options, args) = parser.parse_args()
-  create_impl(preloadSignatures=options.preload_flag)
+  create_impl(preloadSignatures=options.preload_flag,
+              outdir=options.outdir)