The following compiles fine with no parameters but fails to compile with -std=f95:
program fabort implicit none integer :: i1, i2, i3 open(10, status="scratch") write(10,'(a)') "1,2 35" rewind(10) read(10,'(3i9)') i1,i2,i3 if(i1.ne.1) call abort() end $ gfc -std=f95 abort.f /tmp/cc4WFggT.o(.text+0x1a8): In function `MAIN__': abort.f: undefined reference to `abort_' collect2: ld returned 1 exit status -- Summary: Compiler dies on -std=f95 Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jvdelisle at gcc dot gnu dot org GCC host triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25149