PR libgfortran/16137
	* configure.ac: Add tests for acosf, asinf, atan2f, atanf, ceilf,
	copysignf, cosf, coshf, expf, floorf, frexpf, hypotf, logf, log10f,
	scalbnf, sinf, sinhf, sqrtf, tanf and tanhf in libm.
	* config.h.in: Regenerate.
	* configure: Regenerate.

	* instrinsics/c99_functions.c (acosf, asinf, atan2f, atanf, ceilf,
	copysignf, cosf, coshf, expf, floorf, frexpf, hypotf, logf, log10f,
	nextafterf, scalbnf, sinf, sinhf, sqrtf, tanf, tanhf): New stub
	implementations for targets that don't support C99 float functions.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85473 138bc75d-0d04-0410-961f-82ee72b054a4