# assume "implicit none" even if not present in source
set(COMPILE_FLAGS"${COMPILE_FLAGS} -Wall")
# sets the following Fortran options:
# -Waliasing: warn about possible aliasing of dummy arguments. Specifically, it warns if the same actual argument is associated with a dummy argument with "INTENT(IN)" and a dummy argument with "INTENT(OUT)" in a call with an explicit interface.
# -Wampersand: checks if a character expression is continued proberly by an ampersand at the end of the line and at the beginning of the new line
# -Warray-bounds: checks if array reference is out of bounds at compile time. use -fcheck-bounds to also check during runtime
# -Wconversion: warn about implicit conversions between different type
# -Wsurprising: warn when "suspicious" code constructs are encountered. While technically legal these usually indicate that an error has been made.
# -Wc-binding-type:
# -Wintrinsics-std: only standard intrisics are available, e.g. "call flush(6)" will cause an error
# -Wno-tabs: do not allow tabs in source
# -Wintrinsic-shadow: warn if a user-defined procedure or module procedure has the same name as an intrinsic
# -Wline-truncation:
# -Wtarget-lifetime:
# -Wreal-q-constant: warn about real-literal-constants with 'q' exponent-letter
# -Wunused: a number of unused-xxx warnings
# and sets the general (non-Fortran options) options:
# -Waddress
# -Warray-bounds (only with -O2)
# -Wc++11-compat
# -Wchar-subscripts
# -Wcomment
# -Wformat
# -Wmaybe-uninitialized
# -Wnonnull
# -Wparentheses
# -Wpointer-sign
# -Wreorder
# -Wreturn-type
# -Wsequence-point
# -Wstrict-aliasing
# -Wstrict-overflow=1
# -Wswitch
# -Wtrigraphs
# -Wuninitialized
# -Wunknown-pragmas
# -Wunused-function
# -Wunused-label
# -Wunused-value
# -Wunused-variable
# -Wvolatile-register-var
set(COMPILE_FLAGS"${COMPILE_FLAGS} -Wextra")
# sets the following Fortran options:
# -Wunuses-parameter:
# -Wcompare-reals:
# and sets the general (non-Fortran options) options:
# -Wclobbered
# -Wempty-body
# -Wignored-qualifiers
# -Wmissing-field-initializers
# -Woverride-init
# -Wsign-compare
# -Wtype-limits
# -Wuninitialized
# -Wunused-but-set-parameter (only with -Wunused or -Wall)
