diff --git a/yocto-poky/meta/classes/cmake.bbclass b/yocto-poky/meta/classes/cmake.bbclass
index ae3cc02..02f313a 100644
--- a/yocto-poky/meta/classes/cmake.bbclass
+++ b/yocto-poky/meta/classes/cmake.bbclass
@@ -7,9 +7,6 @@
 # We need to unset CCACHE otherwise cmake gets too confused
 CCACHE = ""
 
-# We want the staging and installing functions from autotools
-inherit autotools
-
 # C/C++ Compiler (without cpu arch/tune arguments)
 OECMAKE_C_COMPILER ?= "`echo ${CC} | sed 's/^\([^ ]*\).*/\1/'`"
 OECMAKE_CXX_COMPILER ?= "`echo ${CXX} | sed 's/^\([^ ]*\).*/\1/'`"
@@ -18,8 +15,8 @@
 # Compiler flags
 OECMAKE_C_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${CFLAGS}"
 OECMAKE_CXX_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${CXXFLAGS}"
-OECMAKE_C_FLAGS_RELEASE ?= "${SELECTED_OPTIMIZATION} ${CFLAGS} -DNDEBUG"
-OECMAKE_CXX_FLAGS_RELEASE ?= "${SELECTED_OPTIMIZATION} ${CXXFLAGS} -DNDEBUG"
+OECMAKE_C_FLAGS_RELEASE ?= "-DNDEBUG"
+OECMAKE_CXX_FLAGS_RELEASE ?= "-DNDEBUG"
 OECMAKE_C_LINK_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${CPPFLAGS} ${LDFLAGS}"
 OECMAKE_CXX_LINK_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${CXXFLAGS} ${LDFLAGS}"
 
@@ -30,6 +27,8 @@
 OECMAKE_FIND_ROOT_PATH_MODE_PROGRAM = "ONLY"
 OECMAKE_FIND_ROOT_PATH_MODE_PROGRAM_class-native = "BOTH"
 
+EXTRA_OECMAKE_append = " ${PACKAGECONFIG_CONFARGS}"
+
 # CMake expects target architectures in the format of uname(2),
 # which do not always match TARGET_ARCH, so all the necessary
 # conversions should happen here.
@@ -53,9 +52,9 @@
 set( CMAKE_C_FLAGS "${OECMAKE_C_FLAGS}" CACHE STRING "CFLAGS" )
 set( CMAKE_CXX_FLAGS "${OECMAKE_CXX_FLAGS}" CACHE STRING "CXXFLAGS" )
 set( CMAKE_ASM_FLAGS "${OECMAKE_C_FLAGS}" CACHE STRING "ASM FLAGS" )
-set( CMAKE_C_FLAGS_RELEASE "${OECMAKE_C_FLAGS_RELEASE}" CACHE STRING "CFLAGS for release" )
-set( CMAKE_CXX_FLAGS_RELEASE "${OECMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "CXXFLAGS for release" )
-set( CMAKE_ASM_FLAGS_RELEASE "${OECMAKE_C_FLAGS_RELEASE}" CACHE STRING "ASM FLAGS for release" )
+set( CMAKE_C_FLAGS_RELEASE "${OECMAKE_C_FLAGS_RELEASE}" CACHE STRING "Additional CFLAGS for release" )
+set( CMAKE_CXX_FLAGS_RELEASE "${OECMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "Additional CXXFLAGS for release" )
+set( CMAKE_ASM_FLAGS_RELEASE "${OECMAKE_C_FLAGS_RELEASE}" CACHE STRING "Additional ASM FLAGS for release" )
 set( CMAKE_C_LINK_FLAGS "${OECMAKE_C_LINK_FLAGS}" CACHE STRING "LDFLAGS" )
 set( CMAKE_CXX_LINK_FLAGS "${OECMAKE_CXX_LINK_FLAGS}" CACHE STRING "LDFLAGS" )
 
@@ -132,7 +131,7 @@
 
 cmake_do_install() {
 	cd ${B}
-	autotools_do_install
+	oe_runmake 'DESTDIR=${D}' install
 }
 
 EXPORT_FUNCTIONS do_configure do_compile do_install do_generate_toolchain_file