diff --git a/config.m4 b/config.m4
index e63353a..3233e11 100644
--- a/config.m4
+++ b/config.m4
@@ -1,21 +1,10 @@
 dnl $Id$
 dnl config.m4 for extension phpy
 
-PHP_ARG_WITH([python_dir],
-  [dir of python],
-  [AS_HELP_STRING([[--with-python-dir[=DIR]]],
-    [Specify python installation dir, default is /opt/anaconda3])], [no], [no])
-
-
 PHP_ARG_WITH([python_version],
   [version of python],
   [AS_HELP_STRING([[--with-python-version[=VERSION]]],
-    [Specify version of python, default is 3.11])], [no], [no])
-
-PHP_ARG_WITH([python_config],
-  [path of python_config],
-  [AS_HELP_STRING([[--with-python-config[=PATH]]],
-    [Specify path of python_config])], [no], [no])
+    [Specify version of python, or use default (ex: 3.12)])], [no], [no])
 
 PHP_ARG_ENABLE([phpy],
   [whether to enable phpy support],
@@ -24,28 +13,13 @@ PHP_ARG_ENABLE([phpy],
   [no])
 
 if test "$PHP_PHPY" != "no"; then
-  if test "$PHP_PYTHON_CONFIG" != "no"; then
-    INCLUDES="$INCLUDES $($PHP_PYTHON_CONFIG --includes)"
-    LDFLAGS="$LDFLAGS $($PHP_PYTHON_CONFIG --embed --ldflags)"
+  if test "$PHP_PYTHON_VERSION" = "no"; then
+    PKG_CHECK_MODULES([PYTHON], [python3-embed >= 3.8])
   else
-    if test "$PHP_PYTHON_DIR" = "no"; then
-       PHP_PYTHON_DIR="/opt/anaconda3"
-    fi
-    if test "$PHP_PYTHON_VERSION" = "no"; then
-      if test -f "${PHP_PYTHON_DIR}/bin/python"; then
-        PHP_PYTHON_VERSION=$("${PHP_PYTHON_DIR}/bin/python" -c "import sys; print('%d.%d'%(sys.version_info.major, sys.version_info.minor))")
-      elif test -f "${PHP_PYTHON_DIR}/python"; then
-        PHP_PYTHON_VERSION=$("${PHP_PYTHON_DIR}/python" -c "import sys; print('%d.%d'%(sys.version_info.major, sys.version_info.minor))")
-      else
-        PHP_PYTHON_VERSION="3.11"
-      fi
-    fi
-    AC_MSG_RESULT([PYTHON_DIR=${PHP_PYTHON_DIR}])
-    AC_MSG_RESULT([PYTHON_VERSION=${PHP_PYTHON_VERSION}])
-
-    PHP_ADD_INCLUDE("${PHP_PYTHON_DIR}/include/python${PHP_PYTHON_VERSION}")
-    PHP_ADD_LIBRARY_WITH_PATH("python${PHP_PYTHON_VERSION}", "${PHP_PYTHON_DIR}/lib", PHPY_SHARED_LIBADD)
+    PKG_CHECK_MODULES([PYTHON], [python-${PHP_PYTHON_VERSION}-embed >= 3.8])
   fi
+  PHP_EVAL_LIBLINE($PYTHON_LIBS, PHPY_SHARED_LIBADD)
+  PHP_EVAL_INCLINE($PYTHON_CFLAGS)
 
   PHP_REQUIRE_CXX()
 
@@ -53,8 +27,8 @@ if test "$PHP_PHPY" != "no"; then
 
   AC_DEFINE(HAVE_PHPY, 1, [ Have phpy support ])
 
-  CXXFLAGS="$CXXFLAGS -Wall -Wno-unused-function -Wno-deprecated -Wno-deprecated-declarations -z now"
-  CXXFLAGS="$CXXFLAGS -std=c++14"
+  EXTRAS_CXXFLAGS="-Wall -Wno-unused-function -Wno-deprecated -Wno-deprecated-declarations -z now"
+  EXTRAS_CXXFLAGS="$EXTRAS_CXXFLAGS -std=c++14"
 
   if test -f "$abs_srcdir/phpy.cc"; then
       phpy_source_dir=$abs_srcdir
@@ -68,7 +42,7 @@ if test "$PHP_PHPY" != "no"; then
   phpy_source_files=$(cd $phpy_source_dir && find src -type f -name "*.cc")
   phpy_source_files="phpy.cc $phpy_source_files"
 
-  PHP_NEW_EXTENSION(phpy, $phpy_source_files , $ext_shared,,, cxx)
+  PHP_NEW_EXTENSION(phpy, $phpy_source_files , $ext_shared,, $EXTRAS_CXXFLAGS, cxx)
 
     AC_MSG_RESULT([$ext_builddir])
 
diff --git a/package.xml b/package.xml
index 90cd4a0..3bbc9fe 100644
--- a/package.xml
+++ b/package.xml
@@ -104,6 +104,6 @@ http://pear.php.net/dtd/package-2.0.xsd">
     </dependencies>
     <providesextension>phpy</providesextension>
     <extsrcrelease>
-        <configureoption name="with-python-config" prompt="Specify the path of python-config" default="/usr/bin/python3-config"/>
+        <configureoption name="with-python-version" prompt="Specify the version of python (ex: 3.12)" default="no"/>
     </extsrcrelease>
 </package>