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Contents
module Rscons
module Builders
# The Preprocess builder invokes the C preprocessor
class Preprocess < Builder
# Return default construction variables for the builder.
#
# @param env [Environment] The Environment using the builder.
#
# @return [Hash] Default construction variables for the builder.
def default_variables(env)
{
"CPP_CMD" => ["${_PREPROCESS_CC}", "-E", "-o", "${_TARGET}", "-I${CPPPATH}", "${CPPFLAGS}", "${CFLAGS}", "${_SOURCES}"],
}
end
# Run the builder to produce a build target.
#
# @param target [String] Target file name.
# @param sources [Array<String>] Source file name(s).
# @param cache [Cache] The Cache object.
# @param env [Environment] The Environment executing the builder.
# @param vars [Hash,VarSet] Extra construction variables.
#
# @return [String,false]
# Name of the target file on success or false on failure.
def run(target, sources, cache, env, vars)
pp_cc = if sources.find {|s| s.end_with?(*env.expand_varref("${CXXSUFFIX}", vars))}
"${CXX}"
else
"${CC}"
end
vars = vars.merge("_PREPROCESS_CC" => pp_cc,
"_TARGET" => target,
"_SOURCES" => sources)
command = env.build_command("${CPP_CMD}", vars)
standard_build("Preprocess #{target}", target, command, sources, env, cache)
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems