search for: gfortran_set_std

...e same as what I use. Try with 2.4 (about to be released). I'm not sure I ever tried to build the 2.3 version of llvm-gfortran on x86-64. > If replace it by system 'libgfortran.a', the error became: > hello.o: In function `MAIN__': > (.text+0x1e): undefined reference to `_gfortran_set_std' > collect2: ld returned 1 exit status Probably your system gcc version is different to 4.2. Like gcc 4.2, llvm-gcc generates a call to gfortran_set_std in MAIN__. This function is defined in the gcc 4.2 version of libgfortran, but apparently not in other gcc versions. [I think ubuntu 8....

...It's different to the system original libgfortran.a: -rw-r--r-- 1 root root 1854562 2008-10-25 01:40 /usr/lib/gcc/x86_64-linux-gnu/4.3/libgfortran.a If replace it by system 'libgfortran.a', the error became: hello.o: In function `MAIN__': (.text+0x1e): undefined reference to `_gfortran_set_std' collect2: ld returned 1 exit status Thanks, Jun -- View this message in context: http://www.nabble.com/llvm-gfortran-gives-errors-on-AMD64-Ubuntu-tp20280697p20373363.html Sent from the LLVM - Dev mailing list archive at Nabble.com.