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superenv: allow paths under self's keg

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Fixes build error in Homebrew/homebrew-core#100.

Closes #63.

Signed-off-by: Andrew Janke <andrew@apjanke.net>
This commit is contained in:
Andrew Janke 2016-04-10 17:49:28 -04:00
parent 4e8c6e633c
commit a8ed06ba74
2 changed files with 16 additions and 2 deletions
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14
Library/ENV/4.3/cc
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@ -15,7 +15,7 @@ require "set"
class Cmd
attr_reader :config, :prefix, :cellar, :opt, :tmpdir, :sysroot, :deps
attr_reader :archflags, :optflags, :keg_regex
attr_reader :archflags, :optflags, :keg_regex, :formula, :formula_version
def initialize(arg0, args)
@arg0 = arg0
@ -29,6 +29,8 @@ class Cmd
@archflags = ENV.fetch("HOMEBREW_ARCHFLAGS") { "" }.split(" ")
@optflags = ENV.fetch("HOMEBREW_OPTFLAGS") { "" }.split(" ")
@deps = Set.new(ENV.fetch("HOMEBREW_DEPENDENCIES") { "" }.split(","))
@formula = ENV["HOMEBREW_FORMULA"]
@formula_version = ENV["HOMEBREW_FORMULA_VERSION"]
# matches opt or cellar prefix and formula name
@keg_regex = %r[(#{Regexp.escape(opt)}|#{Regexp.escape(cellar)})/([\w\-_\+]+)]
end
@ -205,9 +207,12 @@ class Cmd
# but is currently opt-in.
return keep_orig?(path) unless ENV["HOMEBREW_EXPERIMENTAL_FILTER_FLAGS_ON_DEPS"]
# Allow references to self
if keg_path && path.start_with?(keg_path)
true
# first two paths: reject references to Cellar or opt paths
# for unspecified dependencies
if path.start_with?(cellar) || path.start_with?(opt)
elsif path.start_with?(cellar) || path.start_with?(opt)
dep = path[keg_regex, 2]
dep && @deps.include?(dep)
elsif path.start_with?(prefix)
@ -276,6 +281,11 @@ class Cmd
%W[#{sysroot}/usr/lib /usr/local/lib]
end
def keg_path
return nil if formula.nil?
"#{cellar}/#{formula}/#{formula_version}"
end
def configure?
# configure scripts generated with autoconf 2.61 or later export as_nl
ENV.key? "as_nl"

4
Library/Homebrew/extend/ENV/super.rb
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@ -68,6 +68,10 @@ module Superenv
self["HOMEBREW_INCLUDE_PATHS"] = determine_include_paths
self["HOMEBREW_LIBRARY_PATHS"] = determine_library_paths
self["HOMEBREW_DEPENDENCIES"] = determine_dependencies
unless formula.nil?
self["HOMEBREW_FORMULA"] = formula.name
self["HOMEBREW_FORMULA_VERSION"] = formula.version
end
if MacOS::Xcode.without_clt? || (MacOS::Xcode.installed? && MacOS::Xcode.version.to_i >= 7)
self["MACOSX_DEPLOYMENT_TARGET"] = MacOS.version.to_s