devtools (version 1.8.0)

with_debug: Temporarily set debugging compilation flags.

Description

Temporarily set debugging compilation flags.

Usage

with_debug(code, CFLAGS = NULL, CXXFLAGS = NULL, FFLAGS = NULL,
  FCFLAGS = NULL, debug = TRUE, action = "replace")

Arguments

code

to execute.

CFLAGS

flags for compiling C code

CXXFLAGS

flags for compiling C++ code

FFLAGS

flags for compiling Fortran code.

FCFLAGS

flags for Fortran 9x code.

debug

If TRUE adds -g -O0 to all flags (Adding FFLAGS and FCFLAGS

action

(for with_envvar only): should new values "replace", "suffix", "prefix" existing environmental variables with the same name.

See Also

Other debugging flags: compiler_flags

Examples

flags <- names(compiler_flags(TRUE))
with_debug(Sys.getenv(flags))

install("mypkg")
with_debug(install("mypkg"))