Jed Brown avatar Jed Brown committed 75073fb

MPI_Comm_f2c takes an MPI_Fint, not MPI_Comm

Patch from Ake Sandgren [petsc-maint #149299]

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Files changed (1)


     oldLibs  = self.compilers.LIBS
     self.compilers.CPPFLAGS += ' '+self.headers.toString(self.include)
     self.compilers.LIBS = self.libraries.toString(self.lib)+' '+self.compilers.LIBS
-    if self.checkLink('#include <mpi.h>\n', 'if (MPI_Comm_f2c(MPI_COMM_WORLD));\n'):
+    if self.checkLink('#include <mpi.h>\n', 'if (MPI_Comm_f2c((MPI_Fint)0));\n'):
       self.commf2c = 1
       self.addDefine('HAVE_MPI_COMM_F2C', 1)
     if self.checkLink('#include <mpi.h>\n', 'if (MPI_Comm_c2f(MPI_COMM_WORLD));\n'):
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