Hi,
I am trying to compile a FORTRAN program to call from R under Windows 7 but
I am having problem in the compiling step. To demonstrate this is the
program testit.f:
------------------------------------------
subroutine TESTIT(x,n,m)
dimension x(n)
do 10 i=1,n
10 x(i)=x(i)**m
end
--------------------------------------------
When I compile it with gfortran I get the following error:
--------------------------------------------------
c:\MinGW\programs>gfortran testit.f -o testit.o
c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../libmingw32.a(main.o):main.c:(.tex
t+0xd2): undefined reference to `WinMain@16'
collect2: ld returned 1 exit status.
----------------------------------------------------
I should add that a program like the following hello.f compiles with no
problem.
------------------------------------------
READ (*, *) YOURNAME
WRITE (*, 200) YOURNAME
200 FORMAT(//,' Hello ',A/)
STOP
END
------------------------------------------
I realize that this is not directly a question about R but I guess there are
some people here who have compiled FORTRAN programs under Windows 7 to call
from R. I appreciate any help to fix the problem.
/Mikael
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