revert: no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function.

revert: no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function.

config/
	Revert:
	2007-10-02  Richard Sandiford  <richard@codesourcery.com>
	* no-executables.m4 (GCC_TRY_COMPILE_OR_LINK): New function.

libstdc++/
	Revert:
	2007-10-02  Richard Sandiford  <richard@codesourcery.com>
	* acinclude.m4 (GLIBCXX_ENABLE_C99): Temporarily add
	-fno-exceptions to CXXFLAGS.  Use GCC_TRY_COMPILE_OR_LINK.
	Make the tests assign results to volatile variables.
	* configure: Regenerate.

From-SVN: r128972