configure.ac: Use GCC_CHECK_MATH_FUNC for math functions.

2012-03-26  Tristan Gingold  <gingold@adacore.com>

	* configure.ac: Use GCC_CHECK_MATH_FUNC for math functions.
	* acinclude.m4: Include ../config/math.m4
	* configure: Regenerate.
	* Makefile.in: Regenerate.

From-SVN: r185789

libgfortran/ChangeLog

+2012-03-26  Tristan Gingold  <gingold@adacore.com>
+
+	* configure.ac: Use GCC_CHECK_MATH_FUNC for math functions.
+	* acinclude.m4: Include ../config/math.m4
+	* configure: Regenerate.
+	* Makefile.in: Regenerate.
+
 2012-03-25  Janne Blomqvist  <jb@gcc.gnu.org>
 
 	* runtime/memory.c (xcalloc): New function.

libgfortran/Makefile.in

@@ -56,7 +56,8 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
 	$(top_srcdir)/../ltversion.m4 $(top_srcdir)/../lt~obsolete.m4 \
 	$(top_srcdir)/acinclude.m4 $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
-	$(top_srcdir)/../libtool.m4 $(top_srcdir)/configure.ac
+	$(top_srcdir)/../config/math.m4 $(top_srcdir)/../libtool.m4 \
+	$(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \

libgfortran/acinclude.m4

 m4_include(../config/acx.m4)
 m4_include(../config/no-executables.m4)
+m4_include(../config/math.m4)
 
 dnl Check that we have a working GNU Fortran compiler
 AC_DEFUN([LIBGFOR_WORKING_GFORTRAN], [