Fortran Wiki
Debugging tools (Rev #8, changes)

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Useful compiling options

Unfortunately, compiling options depend on the used compiler

g95

-g -fbounds-check -Wall -ftrace=full

Additional useful environment variables:

On Linux/UNIX with bourne shell:

export G95_FPU_INVALID=1 export G95_FPU_ZERODIV=1 export G95_FPU_OVERFLOW=1 export G95_MEM_INIT=NAN

gfortran

-g -fbounds-check -Wall -fbacktrace -finit-real=nan

ifort

-g -check all -fpe0 -warn -traceback -debug extended

nag95

-g -C=all -nan

Sun F95

-g -xcheck=%all -fnonstd

lf95

-g --ap --chk

Debuggers

• gdb
• idb
• ddd
• totalview
• Allinea DDT

Other tools

• valgrind
• Electric Fence