python-native: Fix a compiler finding issue

The CC variable sometimes add option information after compiler name, but python can't get the real compiler name if those information added.
Fix this issue by dropping the option information when finding compiler name.

(From OE-Core rev: 461df79fbb655e4c6894d9a9e9ce52656b96303d)

Signed-off-by: Mei Lei <lei.mei@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python-native_2.6.6.bb

@@ -1,6 +1,6 @@
 require python.inc
 DEPENDS = "openssl-native bzip2-full-native zlib-native readline-native sqlite3-native"
-PR = "${INC_PR}.2"
+PR = "${INC_PR}.3"
 
 LIC_FILES_CHKSUM = "file://LICENSE;md5=38fdd546420fab09ac6bd3d8a1c83eb6"
 
@@ -12,6 +12,7 @@ SRC_URI = "http://www.python.org/ftp/python/${PV}/Python-${PV}.tar.bz2 \
            file://11-distutils-never-modify-shebang-line.patch \
            file://12-distutils-prefix-is-inside-staging-area.patch \
            file://debug.patch \
+           file://unixccompiler.patch \
            file://nohostlibs.patch"
 S = "${WORKDIR}/Python-${PV}"