percona-server: build without exotic optimization flags

Currently we patch mysql_config to sanitize the CFLAGS that are exported
to software that queries it during builds, such as the mysql gem. Since
there isn't any way to control what compiler is used by Ruby/gem to
build native extensions, we must remove any compiler or CPU specific
flags.

Instead, let's build without these flags to begin with, which will keep
mysql_config clean and provide consistency between the flags used to
build percona-server and those used to build software that links to it.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/percona-server.rb

@@ -28,13 +28,11 @@ class PerconaServer < Formula
     cause "https://github.com/mxcl/homebrew/issues/issue/144"
   end
 
-  # The CMAKE patches are so that on Lion we do not detect a private
-  # pthread_init function as linkable. Patch sourced from the MySQL formula.
-  def patches
-    DATA
-  end
-
   def install
+    # Build without compiler or CPU specific optimization flags to facilitate
+    # compilation of gems and other software that queries `mysql-config`.
+    ENV.minimal_optimization
+
     # Make sure the var/msql directory exists
     (var+"percona").mkpath
 
@@ -160,33 +158,3 @@ class PerconaServer < Formula
     EOPLIST
   end
 end
-
-
-__END__
-diff --git a/scripts/mysql_config.sh b/scripts/mysql_config.sh
-index 9296075..a600de2 100644
---- a/scripts/mysql_config.sh
-+++ b/scripts/mysql_config.sh
-@@ -137,7 +137,8 @@ for remove in DDBUG_OFF DSAFE_MUTEX DUNIV_MUST_NOT_INLINE DFORCE_INIT_OF_VARS \
-               DEXTRA_DEBUG DHAVE_purify O 'O[0-9]' 'xO[0-9]' 'W[-A-Za-z]*' \
-               'mtune=[-A-Za-z0-9]*' 'mcpu=[-A-Za-z0-9]*' 'march=[-A-Za-z0-9]*' \
-               Xa xstrconst "xc99=none" AC99 \
--              unroll2 ip mp restrict
-+              unroll2 ip mp restrict \
-+              mmmx 'msse[0-9.]*' 'mfpmath=sse' w pipe 'fomit-frame-pointer' 'mmacosx-version-min=10.[0-9]'
- do
-   # The first option we might strip will always have a space before it because
-   # we set -I$pkgincludedir as the first option
-diff --git a/scripts/mysqld_safe.sh b/scripts/mysqld_safe.sh
-index 37e0e35..38ad6c8 100644
---- a/scripts/mysqld_safe.sh
-+++ b/scripts/mysqld_safe.sh
-@@ -558,7 +558,7 @@ else
- fi
- 
- USER_OPTION=""
--if test -w / -o "$USER" = "root"
-+if test -w /sbin -o "$USER" = "root"
- then
-   if test "$user" != "root" -o $SET_USER = 1
-   then