configure.in: ldopen is never in -lexc, so don't test for it.

	* configure.in: ldopen is never in -lexc, so don't test for it.
	Add test for exc_resume in -lexc for Ada.
	* configure: Regenerated.

From-SVN: r42037

gcc/ChangeLog

+Sun May 13 07:26:34 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* configure.in: ldopen is never in -lexc, so don't test for it.
+	Add test for exc_resume in -lexc for Ada.
+	* configure: Regenerated.
+
 2001-05-12  Richard Henderson  <rth@redhat.com>
 
 	* dwarf2asm.c (size_of_encoded_value): New function.

gcc/configure.in

@@ -525,7 +525,7 @@ fi
 # We may need a special search path to get them linked.
 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
 [save_LIBS="$LIBS"
-for libs in '' -lld -lmld '-lmld -lexc' \
+for libs in '' -lld -lmld \
 		'-L/usr/lib/cmplrs/cc2.11 -lmld' \
 		'-L/usr/lib/cmplrs/cc3.11 -lmld'
 do
@@ -541,6 +541,15 @@ case $gcc_cv_collect2_libs in
 esac
 AC_SUBST(COLLECT2_LIBS)
 
+# When building Ada code on Alpha, we need exc_resume which is usually in
+# -lexc.  So test for it.
+save_LIBS="$LIBS"
+LIBS=
+AC_SEARCH_LIBS(exc_resume, exc)
+GNAT_LIBEXC="$LIBS"
+LIBS="$save_LIBS"
+AC_SUBST(GNAT_LIBEXC)
+
 # See if the stage1 system preprocessor understands the ANSI C
 # preprocessor stringification operator.  (Used by symcat.h.)
 AC_C_STRINGIZE