+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for LIBRUBY21" >&5
+$as_echo_n "checking for LIBRUBY21... " >&6; }
+
+if test -n "$LIBRUBY21_CFLAGS"; then
+ pkg_cv_LIBRUBY21_CFLAGS="$LIBRUBY21_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+ if test -n "$PKG_CONFIG" && \
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"ruby-2.1\""; } >&5
+ ($PKG_CONFIG --exists --print-errors "ruby-2.1") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ pkg_cv_LIBRUBY21_CFLAGS=`$PKG_CONFIG --cflags "ruby-2.1" 2>/dev/null`
+ test "x$?" != "x0" && pkg_failed=yes
+else
+ pkg_failed=yes
+fi
+ else
+ pkg_failed=untried
+fi
+if test -n "$LIBRUBY21_LIBS"; then
+ pkg_cv_LIBRUBY21_LIBS="$LIBRUBY21_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+ if test -n "$PKG_CONFIG" && \
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"ruby-2.1\""; } >&5
+ ($PKG_CONFIG --exists --print-errors "ruby-2.1") 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; then
+ pkg_cv_LIBRUBY21_LIBS=`$PKG_CONFIG --libs "ruby-2.1" 2>/dev/null`
+ test "x$?" != "x0" && pkg_failed=yes
+else
+ pkg_failed=yes
+fi
+ else
+ pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+ _pkg_short_errors_supported=yes
+else
+ _pkg_short_errors_supported=no
+fi
+ if test $_pkg_short_errors_supported = yes; then
+ LIBRUBY21_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "ruby-2.1" 2>&1`
+ else
+ LIBRUBY21_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "ruby-2.1" 2>&1`
+ fi
+ # Put the nasty error message in config.log where it belongs
+ echo "$LIBRUBY21_PKG_ERRORS" >&5
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for framework Ruby" >&5
+$as_echo_n "checking for framework Ruby... " >&6; }
+if ${ac_cv_framework_Ruby+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ ac_check_framework_save_LIBS=$LIBS
+ LIBS="-framework Ruby $LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ #include <Ruby/ruby.h>
+
+int
+main ()
+{
+ruby_init();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+
+ ac_cv_framework_Ruby=yes
+
+else
+ ac_cv_framework_Ruby=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LIBS=$ac_check_framework_save_LIBS
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_framework_Ruby" >&5
+$as_echo "$ac_cv_framework_Ruby" >&6; }
+ if test $ac_cv_framework_Ruby = yes; then :
+
+
+ for element in "-framework Ruby"; do
+ haveit=
+ for x in $LIBS; do
+
+ acl_save_prefix="$prefix"
+ prefix="$acl_final_prefix"
+ acl_save_exec_prefix="$exec_prefix"
+ exec_prefix="$acl_final_exec_prefix"
+ eval x=\"$x\"
+ exec_prefix="$acl_save_exec_prefix"
+ prefix="$acl_save_prefix"
+
+ if test "X$x" = "X$element"; then
+ haveit=yes
+ break
+ fi
+ done
+ if test -z "$haveit"; then
+ LIBS="${LIBS}${LIBS:+ }$element"
+ fi
+ done
+
+
+ CY_RUBY=1
+
+
+
+else
+ for ac_header in ruby.h
+do :
+ ac_fn_cxx_check_header_mongrel "$LINENO" "ruby.h" "ac_cv_header_ruby_h" "$ac_includes_default"
+if test "x$ac_cv_header_ruby_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_RUBY_H 1
+_ACEOF
+
+ CY_RUBY=1
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing ruby_init" >&5
+$as_echo_n "checking for library containing ruby_init... " >&6; }
+if ${ac_cv_search_ruby_init+:} false; then :