autoconf: use python-config when present, if not switch to distuti

Use python-config utility when possible, and if it is not present switch to
distutils.

Should fix the bug reported by Olaf Hering on SuSE.

Signed-off-by: Roger Pau Monne <roger.pau@citrix.com>
Tested-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>

1 files changed, 68 insertions, 17 deletions

diff --git a/tools/configure b/tools/configure
index a7cb994bc2..6f60047cc5 100755
--- a/tools/configure
+++ b/tools/configure
@@ -616,6 +616,7 @@ PKG_CONFIG_LIBDIR
 PKG_CONFIG_PATH
 PKG_CONFIG
 CURSES_LIBS
+pyconfig
 PYTHONPATH
 OCAMLBUILD
 OCAMLDOC
@@ -6282,25 +6283,75 @@ else
 $as_echo "yes" >&6; }
 fi
 
-ac_python_version=`$PYTHON -c 'import distutils.sysconfig; \
-    print distutils.sysconfig.get_config_var("VERSION")'`
 ac_previous_cppflags=$CPPFLAGS
-CPPFLAGS="$CFLAGS `$PYTHON -c 'import distutils.sysconfig; \
-    print "-I" + distutils.sysconfig.get_config_var("INCLUDEPY")'`"
-CPPFLAGS="$CPPFLAGS `$PYTHON -c 'import distutils.sysconfig; \
-    print distutils.sysconfig.get_config_var("CFLAGS")'`"
 ac_previous_ldflags=$LDFLAGS
-LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
-    print distutils.sysconfig.get_config_var("LIBS")'`"
-LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
-    print distutils.sysconfig.get_config_var("SYSLIBS")'`"
-LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
-    print "-L" + distutils.sysconfig.get_python_lib(plat_specific=1,\
-    standard_lib=1) + "/config"'`"
-LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
-    print distutils.sysconfig.get_config_var("LINKFORSHARED")'`"
-LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
-    print distutils.sysconfig.get_config_var("LDFLAGS")'`"
+ac_python_version=`$PYTHON -c 'import distutils.sysconfig; \
+    print distutils.sysconfig.get_config_var("VERSION")'`
+# Extract the first word of "$PYTHON-config", so it can be a program name with args.
+set dummy $PYTHON-config; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_pyconfig+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $pyconfig in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_pyconfig="$pyconfig" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_pyconfig="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_pyconfig" && ac_cv_path_pyconfig="no"
+  ;;
+esac
+fi
+pyconfig=$ac_cv_path_pyconfig
+if test -n "$pyconfig"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $pyconfig" >&5
+$as_echo "$pyconfig" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+if test x"$pyconfig" == x"no"; then :
+
+        CPPFLAGS="$CFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+        print "-I" + distutils.sysconfig.get_config_var("INCLUDEPY")'`"
+    CPPFLAGS="$CPPFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+        print distutils.sysconfig.get_config_var("CFLAGS")'`"
+    LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+        print distutils.sysconfig.get_config_var("LIBS")'`"
+    LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+        print distutils.sysconfig.get_config_var("SYSLIBS")'`"
+    LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+        print "-L" + distutils.sysconfig.get_python_lib(plat_specific=1,\
+        standard_lib=1) + "/config"'`"
+    LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+        print distutils.sysconfig.get_config_var("LINKFORSHARED")'`"
+    LDFLAGS="$LDFLAGS `$PYTHON -c 'import distutils.sysconfig; \
+        print distutils.sysconfig.get_config_var("LDFLAGS")'`"
+
+else
+
+        CPPFLAGS="$CFLAGS `$PYTHON-config --cflags`"
+    LDFLAGS="$LDFLAGS `$PYTHON-config --ldflags`"
+
+fi
 
 ac_fn_c_check_header_mongrel "$LINENO" "Python.h" "ac_cv_header_Python_h" "$ac_includes_default"
 if test "x$ac_cv_header_Python_h" = x""yes; then :