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module PkgForge
##
# Add cflag options to Forge
class Forge
attr_writer :cflags, :libs
Contract None => ArrayOf[String]
def cflags
@cflags ||= []
end
Contract None => ArrayOf[String]
def libs
@libs ||= []
end
end
module DSL
##
# Add cflag options to Forge DSL
class Forge
Contract Maybe[ArrayOf[String]] => nil
def cflags(value = nil)
default = '-I%{dep}/usr/include -L%{dep}/usr/lib'
value ||= @forge.deps.map { |x, _| (default % { dep: dep(x) }).split }
@forge.cflags += value.flatten
nil
end
Contract Maybe[ArrayOf[String]] => nil
def libs(value = nil)
value ||= @forge.deps.keys
value.map! { |x| '-l' + x.to_s }
@forge.libs += value
nil
end
# Shamelessly sourced from:
# https://blog.mayflower.de/5800-Hardening-Compiler-Flags-for-NixOS.html
ALL_HARDEN_OPTS = {
format: %w(-Wformat -Wformat-security -Werror=format-security),
stackprotector: %w(-fstack-protector-strong),
fortify: %w(-O2 -D_FORTIFY_SOURCE=2),
pic: '-fPIC',
strictoverflow: '-fno-strict-overflow',
relro: '-zrelro',
bindnow: '-zbindnow'
}.freeze
Contract Maybe[Array[String]] => nil
def harden(list = [])
harden_opts = ALL_HARDEN_OPTS.reject { |k, _| list.include? k.to_s }
@forge.cflags += harden_opts.values.flatten
nil
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems