[scl.org] devtoolset-9 | missing findloc intrinsic?

[Evan Cooch]

Thought I'd rule out the difference between 9.3.1 on my machines, and 
9.2.0 on my colleagues machine. Fired up a VM with 9.2.0, but still get 
the same error.

I had someone email me off list saying FINDLOC is 'twitchy' (his words) 
and perhaps not worth the effort. But still, puzzled why it seems to be 
'found' for the mingw 9.x.x binaries under windows, but not within 
devtoolset-9.

On 3/28/2021 2:44 PM, Evan Cooch wrote:
> Weird one (perhaps). Colleague and I trade back a large slug of 
> FORTRAN code -- he is on a Windows machine, running mingw gfortran 
> 9.2. He recently made a small code update that calls the findloc 
> intrinsic, which is suppoted in 9.x.x.  Code compiles fine on his end.
>
> But, on my end, no such luck -- I'm on Linux boxes (CentOS 7), running 
> gfortran 9.3.1 under scl devtoolset. When I try to compile the _exact_ 
> same code, I get a fail at the end -- a few lines referring to a call 
> to FINDLOC in one of the modules (something called estmat).
>
> /opt/rh/devtoolset-9/root/usr/libexec/gcc/x86_64-redhat-linux/9/ld: 
> estmat.o: in function `filldm.3876': estmat.f90:(.text+0x1201): 
> undefined reference to `_gfortran_findloc0_s1'
>
>
> Was wondering if anyone can give me some advice? Is there a way to 
> 'look for' FINDLOC on my box (irony accidental), or (perhaps) if there 
> is a packaging issue with devtoolkit for CentOS, is there something I 
> can do to correct the problem?
>
> Many thanks in advance...
>
> If it matters, this is what 'gfortran -v' returns on my machine:
>
> Using built-in specs.
> COLLECT_GCC=gfortran
> COLLECT_LTO_WRAPPER=/opt/rh/devtoolset-9/root/usr/libexec/gcc/x86_64-redhat-linux/9/lto-wrapper
> Target: x86_64-redhat-linux
> Configured with: ../configure --enable-bootstrap 
> --enable-languages=c,c++,fortran,lto 
> --prefix=/opt/rh/devtoolset-9/root/usr 
> --mandir=/opt/rh/devtoolset-9/root/usr/share/man 
> --infodir=/opt/rh/devtoolset-9/root/usr/share/info 
> --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared 
> --enable-threads=posix --enable-checking=release --enable-multilib 
> --with-system-zlib --enable-__cxa_atexit 
> --disable-libunwind-exceptions --enable-gnu-unique-object 
> --enable-linker-build-id --with-gcc-major-version-only 
> --with-linker-hash-style=gnu 
> --with-default-libstdcxx-abi=gcc4-compatible --enable-plugin 
> --enable-initfini-array 
> --with-isl=/builddir/build/BUILD/gcc-9.3.1-20200408/obj-x86_64-redhat-linux/isl-install 
> --disable-libmpx --enable-gnu-indirect-function --with-tune=generic 
> --with-arch_32=x86-64 --build=x86_64-redhat-linux
> Thread model: posix
> gcc version 9.3.1 20200408 (Red Hat 9.3.1-2) (GCC)
>
>

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