Protect Fortran files and fix undeclared warnings

CMakeLists.txt

@@ -67,16 +67,22 @@ set(spm_sources
   spm_dof_extend.c
   spm_read_driver.c
   spm_gen_fake_values.c
-  drivers/skitf.f
   drivers/iohb.c
   drivers/mmio.c
   drivers/laplacian.c
   drivers/readhb.c
   drivers/readijv.c
   drivers/readmm.c
-  drivers/readrsa.c
   )
 
+if (PASTIX_WITH_FORTRAN)
+  set(spm_sources
+    ${spm_sources}
+    drivers/skitf.f
+    drivers/readrsa.c
+    )
+endif()
+
 add_library(pastix_spm
   ${spm_sources}
   )

spm_read_driver.c

@@ -82,10 +82,11 @@ spmReadDriver( pastix_driver_t  driver,
     {
         switch(driver)
         {
+#if defined(PASTIX_WITH_FORTRAN)
         case PastixDriverRSA:
             readRSA( filename, spm );
             break;
-
+#endif
         case PastixDriverHB:
             /* TODO: Possible to read the RHS, the solution or a guess of the solution */
             readHB( filename, spm );