Linuxbrew on FreeBSD

linuxbrew_freebsd.patch

diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index 0f9a00a..c2bed9e 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -299,7 +299,7 @@ module Homebrew
   def symlink_ld_so
     ld_so = HOMEBREW_PREFIX/"lib/ld.so"
     return if ld_so.readable?
-    sys_interpreter = ["/lib64/ld-linux-x86-64.so.2", "/lib/ld-linux.so.3", "/lib/ld-linux.so.2", "/lib/ld-linux-armhf.so.3"].find do |s|
+    sys_interpreter = ['/libexec/ld-elf.so.1'].find do |s|
       Pathname.new(s).executable?
     end
     raise "Unable to locate the system's ld.so" unless sys_interpreter
diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index ad3fbae..9d14d72 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -551,7 +551,7 @@ EOS
       export HOMEBREW_UPDATE_BEFORE"$TAP_VAR"="$CURRENT_REVISION"
       export HOMEBREW_UPDATE_AFTER"$TAP_VAR"="$CURRENT_REVISION"
     else
-      merge_or_rebase "$DIR" "$TAP_VAR" "$UPSTREAM_BRANCH"
+      # merge_or_rebase "$DIR" "$TAP_VAR" "$UPSTREAM_BRANCH"
       [[ -n "$HOMEBREW_VERBOSE" ]] && echo
     fi
   done
diff --git a/Library/Homebrew/development_tools.rb b/Library/Homebrew/development_tools.rb
index 3b95ff1..9882865 100644
--- a/Library/Homebrew/development_tools.rb
+++ b/Library/Homebrew/development_tools.rb
@@ -55,7 +55,7 @@ class DevelopmentTools
       @gcc_4_2_build_version ||= begin
         gcc = locate("gcc-4.2") || HOMEBREW_PREFIX.join("opt/apple-gcc42/bin/gcc-4.2")
         if gcc.exist? && !gcc.realpath.basename.to_s.start_with?("llvm")&&
-           build_version = `#{gcc} --version 2>/dev/null`[/build (\d{4,})/, 1]
+           build_version = `#{gcc} --version`[/g?cc(?:(?:-\d(?:\.\d)?)? \(.+\))? (\d\.\d\.\d)/, 1]
           Version.new build_version
         else
           Version::NULL
diff --git a/Library/Homebrew/extend/ENV/super.rb b/Library/Homebrew/extend/ENV/super.rb
index 11d6320..3eabb75 100644
--- a/Library/Homebrew/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/ENV/super.rb
@@ -110,7 +110,7 @@ module Superenv
     paths += deps.map { |d| d.opt_bin.to_s }
 
     paths += homebrew_extra_paths
-    paths += %w[/usr/bin /bin /usr/sbin /sbin]
+    paths += %w[/usr/bin /bin /usr/sbin /sbin /usr/local/bin]
 
     # Homebrew's apple-gcc42 will be outside the PATH in superenv,
     # so xcrun may not be able to find it
diff --git a/Library/Homebrew/extend/os/linux/hardware/cpu.rb b/Library/Homebrew/extend/os/linux/hardware/cpu.rb
index 10d1826..df23ea3 100644
--- a/Library/Homebrew/extend/os/linux/hardware/cpu.rb
+++ b/Library/Homebrew/extend/os/linux/hardware/cpu.rb
@@ -28,7 +28,7 @@ module Hardware
       end
 
       def cpuinfo
-        @cpuinfo ||= File.read("/proc/cpuinfo")
+        @cpuinfo ||= '' #File.read("/proc/cpuinfo")
       end
 
       def type
@@ -44,7 +44,7 @@ module Hardware
 
       def family
         return :arm if arm?
-        return :dunno unless intel?
+        return :dunno #unless intel?
         # See https://software.intel.com/en-us/articles/intel-architecture-and-processor-identification-with-cpuid-model-and-family-numbers
         cpu_family = cpuinfo[/^cpu family\s*: ([0-9]+)/, 1].to_i
         cpu_model = cpuinfo[/^model\s*: ([0-9]+)/, 1].to_i
@@ -94,11 +94,11 @@ module Hardware
       end
 
       def cores
-        cpuinfo.scan(/^processor/).size
+        1 # cpuinfo.scan(/^processor/).size
       end
 
       def flags
-        @flags ||= cpuinfo[/^(flags|Features).*/, 0].split
+        @flags ||= [] #cpuinfo[/^(flags|Features).*/, 0].split
       end
 
       # Compatibility with Mac method, which returns lowercase symbols
diff --git a/Library/Homebrew/os.rb b/Library/Homebrew/os.rb
index 66e5798..da44e68 100644
--- a/Library/Homebrew/os.rb
+++ b/Library/Homebrew/os.rb
@@ -1,12 +1,10 @@
 module OS
   def self.mac?
-    return false if ENV["HOMEBREW_TEST_GENERIC_OS"]
-    RUBY_PLATFORM.to_s.downcase.include? "darwin"
+    return false
   end
 
   def self.linux?
-    return false if ENV["HOMEBREW_TEST_GENERIC_OS"]
-    RUBY_PLATFORM.to_s.downcase.include?("linux") || RbConfig::CONFIG["host_os"].downcase.include?("linux")
+    return true
   end
 
   ::OS_VERSION = ENV["HOMEBREW_OS_VERSION"]
diff --git a/Library/Homebrew/requirements/glibc_requirement.rb b/Library/Homebrew/requirements/glibc_requirement.rb
index fdbd2cd..44068a5 100644
--- a/Library/Homebrew/requirements/glibc_requirement.rb
+++ b/Library/Homebrew/requirements/glibc_requirement.rb
@@ -3,7 +3,7 @@ require "requirement"
 class GlibcRequirement < Requirement
   fatal true
   default_formula "glibc"
-  @system_version = nil
+  @system_version = "9"
 
   def initialize
     # Bottles for Linuxbrew are built using glibc 2.19.
@@ -13,7 +13,7 @@ class GlibcRequirement < Requirement
 
   def self.system_version
     return @system_version if @system_version
-    libc = ["/lib/x86_64-linux-gnu/libc.so.6", "/lib64/libc.so.6", "/lib/libc.so.6", "/lib/i386-linux-gnu/libc.so.6", "/lib/arm-linux-gnueabihf/libc.so.6"].find do |s|
+    libc = ["/compat/linux/lib/x86_64-linux-gnu/libc.so.6", "/compat/linux/lib64/libc.so.6", "/compat/linux/lib/libc.so.6", "/compat/linux/lib/i386-linux-gnu/libc.so.6", "/compat/linux/lib/arm-linux-gnueabihf/libc.so.6"].find do |s|
       Pathname.new(s).executable?
     end
     raise "Unable to locate the system's glibc" unless libc
diff --git a/Library/Homebrew/shims/scm/git b/Library/Homebrew/shims/scm/git
index 82bb47c..dd97f21 100755
--- a/Library/Homebrew/shims/scm/git
+++ b/Library/Homebrew/shims/scm/git
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/local/bin/bash
 
 # This script because we support $GIT, $HOMEBREW_SVN, etc., Xcode-only and
 # no Xcode/CLT configurations. Order is careful to be what the user would want.
diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index 2c665ec..0add0bc 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -256,7 +256,7 @@ end
 
 def with_system_path
   old_path = ENV["PATH"]
-  ENV["PATH"] = "/usr/bin:/bin"
+  ENV["PATH"] = "/usr/bin:/bin:/usr/local/bin"
   ENV["PATH"] = "#{HOMEBREW_PREFIX}/bin:#{ENV["PATH"]}" unless OS.mac?
   yield
 ensure

superceded to https://qiita.com/cielavenir/items/67ce0ec9cd8d43ed00f1