[Bug libfortran/21315] New: Unable to link Fortran executables: __builtin_isfinite is undefined

["ebotcazou at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

The typical error message is:

Executing on host: /opt/build/eric/gcc-4_0-branch/gcc/testsuite/../gfortran
-B/opt/build/eric/gcc-4_0-branch/gcc/testsuite/../
/home/eric/cvs/gcc-4_0-branch/gcc/testsuite/gfortran.dg/blockdata_1.f90   -Os  
-pedantic-errors 
-L/opt/build/eric/gcc-4_0-branch/sparc-sun-solaris2.10/./libgfortran/.libs
-L/opt/build/eric/gcc-4_0-branch/sparc-sun-solaris2.10/./libiberty  -lm   -o
./blockdata_1.exe    (timeout = 300)
Undefined                       first referenced
 symbol                             in file
__builtin_isfinite                 
/opt/build/eric/gcc-4_0-branch/sparc-sun-solaris2.10/./libgfortran/.libs/libgfortran.so
ld: fatal: Symbol referencing errors. No output written to ./blockdata_1.exe
collect2: ld returned 1 exit status

-- 
           Summary: Unable to link Fortran executables: __builtin_isfinite
                    is undefined
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: libfortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ebotcazou at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: sparc-sun-solaris2.10
  GCC host triplet: sparc-sun-solaris2.10
GCC target triplet: sparc-sun-solaris2.10


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21315