bug#14959: automake 1.14 failure on OS X 10.6.8: fort5

[Mike Frysinger]

On Fri, 26 Jul 2013 11:32:18 -0400, Diab Jerius wrote:
> The fort5 test fails on Mac OS X 10.6.8.

the failing part of the log:

/bin/sh ./libtool  --tag=FC   --mode=link gfortran  -g -O2   -o libhello.la 
-rpath /usr/local/lib foo.lo bar.lo libgoodbye.la 
libtool: link: gfortran -dynamiclib -Wl,-undefined -Wl,dynamic_lookup -o 
.libs/libhello.0.dylib  .libs/foo.o .libs/bar.o   
-Wl,-force_load,./.libs/libgoodbye.a   -O2   -install_name  
/usr/local/lib/libhello.0.dylib -compatibility_version 1 -current_version 1.0 
-Wl,-single_module
/usr/bin/libtool: unknown option character `f' in: -force_load
Usage: /usr/bin/libtool -static [-] file [...] [-filelist listfile[,dirname]] 
[-arch_only arch] [-sacLT]
Usage: /usr/bin/libtool -dynamic [-] file [...] [-filelist listfile[,dirname]] 
[-arch_only arch] [-o output] [-install_name name] [-compatibility_version #] 
[-current_version #] [-seg1addr 0x#] [-segs_read_only_addr 0x#] 
[-segs_read_write_addr 0x#] [-seg_addr_table <filename>] 
[-seg_addr_table_filename <file_system_path>] [-all_load] [-noall_load]
make: *** [libhello.la] Error 1

i can't explain why it's running /usr/bin/libtool in the first place.
the test generated & bundled a local copy of libtool and it is using
that.  is the libtool on macOS falling back to the /usr/bin/libtool ??