-# ??? This list seems awful long. Is there a better way to test for these?
-AC_CHECK_LIB([m],[acosf],[AC_DEFINE([HAVE_ACOSF],[1],[libm includes acosf])])
-AC_CHECK_LIB([m],[acos],[AC_DEFINE([HAVE_ACOS],[1],[libm includes acos])])
-AC_CHECK_LIB([m],[acosl],[AC_DEFINE([HAVE_ACOSL],[1],[libm includes acosl])])
-AC_CHECK_LIB([m],[acoshf],[AC_DEFINE([HAVE_ACOSHF],[1],[libm includes acoshf])])
-AC_CHECK_LIB([m],[acosh],[AC_DEFINE([HAVE_ACOSH],[1],[libm includes acosh])])
-AC_CHECK_LIB([m],[acoshl],[AC_DEFINE([HAVE_ACOSHL],[1],[libm includes acoshl])])
-AC_CHECK_LIB([m],[asinf],[AC_DEFINE([HAVE_ASINF],[1],[libm includes asinf])])
-AC_CHECK_LIB([m],[asin],[AC_DEFINE([HAVE_ASIN],[1],[libm includes asin])])
-AC_CHECK_LIB([m],[asinl],[AC_DEFINE([HAVE_ASINL],[1],[libm includes asinl])])
-AC_CHECK_LIB([m],[asinhf],[AC_DEFINE([HAVE_ASINHF],[1],[libm includes asinhf])])
-AC_CHECK_LIB([m],[asinh],[AC_DEFINE([HAVE_ASINH],[1],[libm includes asinh])])
-AC_CHECK_LIB([m],[asinhl],[AC_DEFINE([HAVE_ASINHL],[1],[libm includes asinhl])])
-AC_CHECK_LIB([m],[atan2f],[AC_DEFINE([HAVE_ATAN2F],[1],[libm includes atan2f])])
-AC_CHECK_LIB([m],[atan2],[AC_DEFINE([HAVE_ATAN2],[1],[libm includes atan2])])
-AC_CHECK_LIB([m],[atan2l],[AC_DEFINE([HAVE_ATAN2L],[1],[libm includes atan2l])])
-AC_CHECK_LIB([m],[atanf],[AC_DEFINE([HAVE_ATANF],[1],[libm includes atanf])])
-AC_CHECK_LIB([m],[atan],[AC_DEFINE([HAVE_ATAN],[1],[libm includes atan])])
-AC_CHECK_LIB([m],[atanl],[AC_DEFINE([HAVE_ATANL],[1],[libm includes atanl])])
-AC_CHECK_LIB([m],[atanhf],[AC_DEFINE([HAVE_ATANHF],[1],[libm includes atanhf])])
-AC_CHECK_LIB([m],[atanh],[AC_DEFINE([HAVE_ATANH],[1],[libm includes atanh])])
-AC_CHECK_LIB([m],[atanhl],[AC_DEFINE([HAVE_ATANHL],[1],[libm includes atanhl])])
-AC_CHECK_LIB([m],[cargf],[AC_DEFINE([HAVE_CARGF],[1],[libm includes cargf])])
-AC_CHECK_LIB([m],[carg],[AC_DEFINE([HAVE_CARG],[1],[libm includes carg])])
-AC_CHECK_LIB([m],[cargl],[AC_DEFINE([HAVE_CARGL],[1],[libm includes cargl])])
-AC_CHECK_LIB([m],[ceilf],[AC_DEFINE([HAVE_CEILF],[1],[libm includes ceilf])])
-AC_CHECK_LIB([m],[ceil],[AC_DEFINE([HAVE_CEIL],[1],[libm includes ceil])])
-AC_CHECK_LIB([m],[ceill],[AC_DEFINE([HAVE_CEILL],[1],[libm includes ceill])])
-AC_CHECK_LIB([m],[copysignf],[AC_DEFINE([HAVE_COPYSIGNF],[1],[libm includes copysignf])])
-AC_CHECK_LIB([m],[copysign],[AC_DEFINE([HAVE_COPYSIGN],[1],[libm includes copysign])])
-AC_CHECK_LIB([m],[copysignl],[AC_DEFINE([HAVE_COPYSIGNL],[1],[libm includes copysignl])])
-AC_CHECK_LIB([m],[cosf],[AC_DEFINE([HAVE_COSF],[1],[libm includes cosf])])
-AC_CHECK_LIB([m],[cos],[AC_DEFINE([HAVE_COS],[1],[libm includes cos])])
-AC_CHECK_LIB([m],[cosl],[AC_DEFINE([HAVE_COSL],[1],[libm includes cosl])])
-AC_CHECK_LIB([m],[ccosf],[AC_DEFINE([HAVE_CCOSF],[1],[libm includes ccosf])])
-AC_CHECK_LIB([m],[ccos],[AC_DEFINE([HAVE_CCOS],[1],[libm includes ccos])])
-AC_CHECK_LIB([m],[ccosl],[AC_DEFINE([HAVE_CCOSL],[1],[libm includes ccosl])])
-AC_CHECK_LIB([m],[coshf],[AC_DEFINE([HAVE_COSHF],[1],[libm includes coshf])])
-AC_CHECK_LIB([m],[cosh],[AC_DEFINE([HAVE_COSH],[1],[libm includes cosh])])
-AC_CHECK_LIB([m],[coshl],[AC_DEFINE([HAVE_COSHL],[1],[libm includes coshl])])
-AC_CHECK_LIB([m],[ccoshf],[AC_DEFINE([HAVE_CCOSHF],[1],[libm includes ccoshf])])
-AC_CHECK_LIB([m],[ccosh],[AC_DEFINE([HAVE_CCOSH],[1],[libm includes ccosh])])
-AC_CHECK_LIB([m],[ccoshl],[AC_DEFINE([HAVE_CCOSHL],[1],[libm includes ccoshl])])
-AC_CHECK_LIB([m],[expf],[AC_DEFINE([HAVE_EXPF],[1],[libm includes expf])])
-AC_CHECK_LIB([m],[exp],[AC_DEFINE([HAVE_EXP],[1],[libm includes exp])])
-AC_CHECK_LIB([m],[expl],[AC_DEFINE([HAVE_EXPL],[1],[libm includes expl])])
-AC_CHECK_LIB([m],[cexpf],[AC_DEFINE([HAVE_CEXPF],[1],[libm includes cexpf])])
-AC_CHECK_LIB([m],[cexp],[AC_DEFINE([HAVE_CEXP],[1],[libm includes cexp])])
-AC_CHECK_LIB([m],[cexpl],[AC_DEFINE([HAVE_CEXPL],[1],[libm includes cexpl])])
-AC_CHECK_LIB([m],[fabsf],[AC_DEFINE([HAVE_FABSF],[1],[libm includes fabsf])])
-AC_CHECK_LIB([m],[fabs],[AC_DEFINE([HAVE_FABS],[1],[libm includes fabs])])
-AC_CHECK_LIB([m],[fabsl],[AC_DEFINE([HAVE_FABSL],[1],[libm includes fabsl])])
-AC_CHECK_LIB([m],[cabsf],[AC_DEFINE([HAVE_CABSF],[1],[libm includes cabsf])])
-AC_CHECK_LIB([m],[cabs],[AC_DEFINE([HAVE_CABS],[1],[libm includes cabs])])
-AC_CHECK_LIB([m],[cabsl],[AC_DEFINE([HAVE_CABSL],[1],[libm includes cabsl])])
-AC_CHECK_LIB([m],[floorf],[AC_DEFINE([HAVE_FLOORF],[1],[libm includes floorf])])
-AC_CHECK_LIB([m],[floor],[AC_DEFINE([HAVE_FLOOR],[1],[libm includes floor])])
-AC_CHECK_LIB([m],[floorl],[AC_DEFINE([HAVE_FLOORL],[1],[libm includes floorl])])
-AC_CHECK_LIB([m],[frexpf],[AC_DEFINE([HAVE_FREXPF],[1],[libm includes frexpf])])
-AC_CHECK_LIB([m],[frexp],[AC_DEFINE([HAVE_FREXP],[1],[libm includes frexp])])
-AC_CHECK_LIB([m],[frexpl],[AC_DEFINE([HAVE_FREXPL],[1],[libm includes frexpl])])
-AC_CHECK_LIB([m],[hypotf],[AC_DEFINE([HAVE_HYPOTF],[1],[libm includes hypotf])])
-AC_CHECK_LIB([m],[hypot],[AC_DEFINE([HAVE_HYPOT],[1],[libm includes hypot])])
-AC_CHECK_LIB([m],[hypotl],[AC_DEFINE([HAVE_HYPOTL],[1],[libm includes hypotl])])
-AC_CHECK_LIB([m],[logf],[AC_DEFINE([HAVE_LOGF],[1],[libm includes logf])])
-AC_CHECK_LIB([m],[log],[AC_DEFINE([HAVE_LOG],[1],[libm includes log])])
-AC_CHECK_LIB([m],[logl],[AC_DEFINE([HAVE_LOGL],[1],[libm includes logl])])
-AC_CHECK_LIB([m],[clogf],[AC_DEFINE([HAVE_CLOGF],[1],[libm includes clogf])])
-AC_CHECK_LIB([m],[clog],[AC_DEFINE([HAVE_CLOG],[1],[libm includes clog])])
-AC_CHECK_LIB([m],[clogl],[AC_DEFINE([HAVE_CLOGL],[1],[libm includes clogl])])
-AC_CHECK_LIB([m],[log10f],[AC_DEFINE([HAVE_LOG10F],[1],[libm includes log10f])])
-AC_CHECK_LIB([m],[log10],[AC_DEFINE([HAVE_LOG10],[1],[libm includes log10])])
-AC_CHECK_LIB([m],[log10l],[AC_DEFINE([HAVE_LOG10L],[1],[libm includes log10l])])
-AC_CHECK_LIB([m],[clog10f],[AC_DEFINE([HAVE_CLOG10F],[1],[libm includes clog10f])])
-AC_CHECK_LIB([m],[clog10],[AC_DEFINE([HAVE_CLOG10],[1],[libm includes clog10])])
-AC_CHECK_LIB([m],[clog10l],[AC_DEFINE([HAVE_CLOG10L],[1],[libm includes clog10l])])
-AC_CHECK_LIB([m],[nextafterf],[AC_DEFINE([HAVE_NEXTAFTERF],[1],[libm includes nextafterf])])
-AC_CHECK_LIB([m],[nextafter],[AC_DEFINE([HAVE_NEXTAFTER],[1],[libm includes nextafter])])
-AC_CHECK_LIB([m],[nextafterl],[AC_DEFINE([HAVE_NEXTAFTERL],[1],[libm includes nextafterl])])
-AC_CHECK_LIB([m],[powf],[AC_DEFINE([HAVE_POWF],[1],[libm includes powf])])
-AC_CHECK_LIB([m],[pow],[AC_DEFINE([HAVE_POW],[1],[libm includes pow])])
-AC_CHECK_LIB([m],[powl],[AC_DEFINE([HAVE_POWL],[1],[libm includes powl])])
-AC_CHECK_LIB([m],[cpowf],[AC_DEFINE([HAVE_CPOWF],[1],[libm includes cpowf])])
-AC_CHECK_LIB([m],[cpow],[AC_DEFINE([HAVE_CPOW],[1],[libm includes cpow])])
-AC_CHECK_LIB([m],[cpowl],[AC_DEFINE([HAVE_CPOWL],[1],[libm includes cpowl])])
-AC_CHECK_LIB([m],[roundf],[AC_DEFINE([HAVE_ROUNDF],[1],[libm includes roundf])])
-AC_CHECK_LIB([m],[round],[AC_DEFINE([HAVE_ROUND],[1],[libm includes round])])
-AC_CHECK_LIB([m],[roundl],[AC_DEFINE([HAVE_ROUNDL],[1],[libm includes roundl])])
-AC_CHECK_LIB([m],[scalbnf],[AC_DEFINE([HAVE_SCALBNF],[1],[libm includes scalbnf])])
-AC_CHECK_LIB([m],[scalbn],[AC_DEFINE([HAVE_SCALBN],[1],[libm includes scalbn])])
-AC_CHECK_LIB([m],[scalbnl],[AC_DEFINE([HAVE_SCALBNL],[1],[libm includes scalbnl])])
-AC_CHECK_LIB([m],[sinf],[AC_DEFINE([HAVE_SINF],[1],[libm includes sinf])])
-AC_CHECK_LIB([m],[sin],[AC_DEFINE([HAVE_SIN],[1],[libm includes sin])])
-AC_CHECK_LIB([m],[sinl],[AC_DEFINE([HAVE_SINL],[1],[libm includes sinl])])
-AC_CHECK_LIB([m],[csinf],[AC_DEFINE([HAVE_CSINF],[1],[libm includes csinf])])
-AC_CHECK_LIB([m],[csin],[AC_DEFINE([HAVE_CSIN],[1],[libm includes csin])])
-AC_CHECK_LIB([m],[csinl],[AC_DEFINE([HAVE_CSINL],[1],[libm includes csinl])])
-AC_CHECK_LIB([m],[sinhf],[AC_DEFINE([HAVE_SINHF],[1],[libm includes sinhf])])
-AC_CHECK_LIB([m],[sinh],[AC_DEFINE([HAVE_SINH],[1],[libm includes sinh])])
-AC_CHECK_LIB([m],[sinhl],[AC_DEFINE([HAVE_SINHL],[1],[libm includes sinhl])])
-AC_CHECK_LIB([m],[csinhf],[AC_DEFINE([HAVE_CSINHF],[1],[libm includes csinhf])])
-AC_CHECK_LIB([m],[csinh],[AC_DEFINE([HAVE_CSINH],[1],[libm includes csinh])])
-AC_CHECK_LIB([m],[csinhl],[AC_DEFINE([HAVE_CSINHL],[1],[libm includes csinhl])])
-AC_CHECK_LIB([m],[sqrtf],[AC_DEFINE([HAVE_SQRTF],[1],[libm includes sqrtf])])
-AC_CHECK_LIB([m],[sqrt],[AC_DEFINE([HAVE_SQRT],[1],[libm includes sqrt])])
-AC_CHECK_LIB([m],[sqrtl],[AC_DEFINE([HAVE_SQRTL],[1],[libm includes sqrtl])])
-AC_CHECK_LIB([m],[csqrtf],[AC_DEFINE([HAVE_CSQRTF],[1],[libm includes csqrtf])])
-AC_CHECK_LIB([m],[csqrt],[AC_DEFINE([HAVE_CSQRT],[1],[libm includes csqrt])])
-AC_CHECK_LIB([m],[csqrtl],[AC_DEFINE([HAVE_CSQRTL],[1],[libm includes csqrtl])])
-AC_CHECK_LIB([m],[tanf],[AC_DEFINE([HAVE_TANF],[1],[libm includes tanf])])
-AC_CHECK_LIB([m],[tan],[AC_DEFINE([HAVE_TAN],[1],[libm includes tan])])
-AC_CHECK_LIB([m],[tanl],[AC_DEFINE([HAVE_TANL],[1],[libm includes tanl])])
-AC_CHECK_LIB([m],[ctanf],[AC_DEFINE([HAVE_CTANF],[1],[libm includes ctanf])])
-AC_CHECK_LIB([m],[ctan],[AC_DEFINE([HAVE_CTAN],[1],[libm includes ctan])])
-AC_CHECK_LIB([m],[ctanl],[AC_DEFINE([HAVE_CTANL],[1],[libm includes ctanl])])
-AC_CHECK_LIB([m],[tanhf],[AC_DEFINE([HAVE_TANHF],[1],[libm includes tanhf])])
-AC_CHECK_LIB([m],[tanh],[AC_DEFINE([HAVE_TANH],[1],[libm includes tanh])])
-AC_CHECK_LIB([m],[tanhl],[AC_DEFINE([HAVE_TANHL],[1],[libm includes tanhl])])
-AC_CHECK_LIB([m],[ctanhf],[AC_DEFINE([HAVE_CTANHF],[1],[libm includes ctanhf])])
-AC_CHECK_LIB([m],[ctanh],[AC_DEFINE([HAVE_CTANH],[1],[libm includes ctanh])])
-AC_CHECK_LIB([m],[ctanhl],[AC_DEFINE([HAVE_CTANHL],[1],[libm includes ctanhl])])
-AC_CHECK_LIB([m],[truncf],[AC_DEFINE([HAVE_TRUNCF],[1],[libm includes truncf])])
-AC_CHECK_LIB([m],[trunc],[AC_DEFINE([HAVE_TRUNC],[1],[libm includes trunc])])
-AC_CHECK_LIB([m],[truncl],[AC_DEFINE([HAVE_TRUNCL],[1],[libm includes truncl])])
-AC_CHECK_LIB([m],[erff],[AC_DEFINE([HAVE_ERFF],[1],[libm includes erff])])
-AC_CHECK_LIB([m],[erf],[AC_DEFINE([HAVE_ERF],[1],[libm includes erf])])
-AC_CHECK_LIB([m],[erfl],[AC_DEFINE([HAVE_ERFL],[1],[libm includes erfl])])
-AC_CHECK_LIB([m],[erfcf],[AC_DEFINE([HAVE_ERFCF],[1],[libm includes erfcf])])
-AC_CHECK_LIB([m],[erfc],[AC_DEFINE([HAVE_ERFC],[1],[libm includes erfc])])
-AC_CHECK_LIB([m],[erfcl],[AC_DEFINE([HAVE_ERFCL],[1],[libm includes erfcl])])
-AC_CHECK_LIB([m],[j0f],[AC_DEFINE([HAVE_J0F],[1],[libm includes j0f])])
-AC_CHECK_LIB([m],[j0],[AC_DEFINE([HAVE_J0],[1],[libm includes j0])])
-AC_CHECK_LIB([m],[j0l],[AC_DEFINE([HAVE_J0L],[1],[libm includes j0l])])
-AC_CHECK_LIB([m],[j1f],[AC_DEFINE([HAVE_J1F],[1],[libm includes j1f])])
-AC_CHECK_LIB([m],[j1],[AC_DEFINE([HAVE_J1],[1],[libm includes j1])])
-AC_CHECK_LIB([m],[j1l],[AC_DEFINE([HAVE_J1L],[1],[libm includes j1l])])
-AC_CHECK_LIB([m],[jnf],[AC_DEFINE([HAVE_JNF],[1],[libm includes jnf])])
-AC_CHECK_LIB([m],[jn],[AC_DEFINE([HAVE_JN],[1],[libm includes jn])])
-AC_CHECK_LIB([m],[jnl],[AC_DEFINE([HAVE_JNL],[1],[libm includes jnl])])
-AC_CHECK_LIB([m],[y0f],[AC_DEFINE([HAVE_Y0F],[1],[libm includes y0f])])
-AC_CHECK_LIB([m],[y0],[AC_DEFINE([HAVE_Y0],[1],[libm includes y0])])
-AC_CHECK_LIB([m],[y0l],[AC_DEFINE([HAVE_Y0L],[1],[libm includes y0l])])
-AC_CHECK_LIB([m],[y1f],[AC_DEFINE([HAVE_Y1F],[1],[libm includes y1f])])
-AC_CHECK_LIB([m],[y1],[AC_DEFINE([HAVE_Y1],[1],[libm includes y1])])
-AC_CHECK_LIB([m],[y1l],[AC_DEFINE([HAVE_Y1L],[1],[libm includes y1l])])
-AC_CHECK_LIB([m],[ynf],[AC_DEFINE([HAVE_YNF],[1],[libm includes ynf])])
-AC_CHECK_LIB([m],[yn],[AC_DEFINE([HAVE_YN],[1],[libm includes yn])])
-AC_CHECK_LIB([m],[ynl],[AC_DEFINE([HAVE_YNL],[1],[libm includes ynl])])
+GCC_CHECK_MATH_FUNC([acosf])
+GCC_CHECK_MATH_FUNC([acos])
+GCC_CHECK_MATH_FUNC([acosl])
+GCC_CHECK_MATH_FUNC([acoshf])
+GCC_CHECK_MATH_FUNC([acosh])
+GCC_CHECK_MATH_FUNC([acoshl])
+GCC_CHECK_MATH_FUNC([asinf])
+GCC_CHECK_MATH_FUNC([asin])
+GCC_CHECK_MATH_FUNC([asinl])
+GCC_CHECK_MATH_FUNC([asinhf])
+GCC_CHECK_MATH_FUNC([asinh])
+GCC_CHECK_MATH_FUNC([asinhl])
+GCC_CHECK_MATH_FUNC([atan2f])
+GCC_CHECK_MATH_FUNC([atan2])
+GCC_CHECK_MATH_FUNC([atan2l])
+GCC_CHECK_MATH_FUNC([atanf])
+GCC_CHECK_MATH_FUNC([atan])
+GCC_CHECK_MATH_FUNC([atanl])
+GCC_CHECK_MATH_FUNC([atanhf])
+GCC_CHECK_MATH_FUNC([atanh])
+GCC_CHECK_MATH_FUNC([atanhl])
+GCC_CHECK_MATH_FUNC([cargf])
+GCC_CHECK_MATH_FUNC([carg])
+GCC_CHECK_MATH_FUNC([cargl])
+GCC_CHECK_MATH_FUNC([ceilf])
+GCC_CHECK_MATH_FUNC([ceil])
+GCC_CHECK_MATH_FUNC([ceill])
+GCC_CHECK_MATH_FUNC([copysignf])
+GCC_CHECK_MATH_FUNC([copysign])
+GCC_CHECK_MATH_FUNC([copysignl])
+GCC_CHECK_MATH_FUNC([cosf])
+GCC_CHECK_MATH_FUNC([cos])
+GCC_CHECK_MATH_FUNC([cosl])
+GCC_CHECK_MATH_FUNC([ccosf])
+GCC_CHECK_MATH_FUNC([ccos])
+GCC_CHECK_MATH_FUNC([ccosl])
+GCC_CHECK_MATH_FUNC([coshf])
+GCC_CHECK_MATH_FUNC([cosh])
+GCC_CHECK_MATH_FUNC([coshl])
+GCC_CHECK_MATH_FUNC([ccoshf])
+GCC_CHECK_MATH_FUNC([ccosh])
+GCC_CHECK_MATH_FUNC([ccoshl])
+GCC_CHECK_MATH_FUNC([expf])
+GCC_CHECK_MATH_FUNC([exp])
+GCC_CHECK_MATH_FUNC([expl])
+GCC_CHECK_MATH_FUNC([cexpf])
+GCC_CHECK_MATH_FUNC([cexp])
+GCC_CHECK_MATH_FUNC([cexpl])
+GCC_CHECK_MATH_FUNC([fabsf])
+GCC_CHECK_MATH_FUNC([fabs])
+GCC_CHECK_MATH_FUNC([fabsl])
+GCC_CHECK_MATH_FUNC([cabsf])
+GCC_CHECK_MATH_FUNC([cabs])
+GCC_CHECK_MATH_FUNC([cabsl])
+GCC_CHECK_MATH_FUNC([floorf])
+GCC_CHECK_MATH_FUNC([floor])
+GCC_CHECK_MATH_FUNC([floorl])
+GCC_CHECK_MATH_FUNC([fmodf])
+GCC_CHECK_MATH_FUNC([fmod])
+GCC_CHECK_MATH_FUNC([fmodl])
+GCC_CHECK_MATH_FUNC([frexpf])
+GCC_CHECK_MATH_FUNC([frexp])
+GCC_CHECK_MATH_FUNC([frexpl])
+GCC_CHECK_MATH_FUNC([hypotf])
+GCC_CHECK_MATH_FUNC([hypot])
+GCC_CHECK_MATH_FUNC([hypotl])
+GCC_CHECK_MATH_FUNC([ldexpf])
+GCC_CHECK_MATH_FUNC([ldexp])
+GCC_CHECK_MATH_FUNC([ldexpl])
+GCC_CHECK_MATH_FUNC([logf])
+GCC_CHECK_MATH_FUNC([log])
+GCC_CHECK_MATH_FUNC([logl])
+GCC_CHECK_MATH_FUNC([clogf])
+GCC_CHECK_MATH_FUNC([clog])
+GCC_CHECK_MATH_FUNC([clogl])
+GCC_CHECK_MATH_FUNC([log10f])
+GCC_CHECK_MATH_FUNC([log10])
+GCC_CHECK_MATH_FUNC([log10l])
+GCC_CHECK_MATH_FUNC([clog10f])
+GCC_CHECK_MATH_FUNC([clog10])
+GCC_CHECK_MATH_FUNC([clog10l])
+GCC_CHECK_MATH_FUNC([nextafterf])
+GCC_CHECK_MATH_FUNC([nextafter])
+GCC_CHECK_MATH_FUNC([nextafterl])
+GCC_CHECK_MATH_FUNC([powf])
+GCC_CHECK_MATH_FUNC([pow])
+GCC_CHECK_MATH_FUNC([powl])
+GCC_CHECK_MATH_FUNC([cpowf])
+GCC_CHECK_MATH_FUNC([cpow])
+GCC_CHECK_MATH_FUNC([cpowl])
+GCC_CHECK_MATH_FUNC([roundf])
+GCC_CHECK_MATH_FUNC([round])
+GCC_CHECK_MATH_FUNC([roundl])
+GCC_CHECK_MATH_FUNC([lroundf])
+GCC_CHECK_MATH_FUNC([lround])
+GCC_CHECK_MATH_FUNC([lroundl])
+GCC_CHECK_MATH_FUNC([llroundf])
+GCC_CHECK_MATH_FUNC([llround])
+GCC_CHECK_MATH_FUNC([llroundl])
+GCC_CHECK_MATH_FUNC([scalbnf])
+GCC_CHECK_MATH_FUNC([scalbn])
+GCC_CHECK_MATH_FUNC([scalbnl])
+GCC_CHECK_MATH_FUNC([sinf])
+GCC_CHECK_MATH_FUNC([sin])
+GCC_CHECK_MATH_FUNC([sinl])
+GCC_CHECK_MATH_FUNC([csinf])
+GCC_CHECK_MATH_FUNC([csin])
+GCC_CHECK_MATH_FUNC([csinl])
+GCC_CHECK_MATH_FUNC([sinhf])
+GCC_CHECK_MATH_FUNC([sinh])
+GCC_CHECK_MATH_FUNC([sinhl])
+GCC_CHECK_MATH_FUNC([csinhf])
+GCC_CHECK_MATH_FUNC([csinh])
+GCC_CHECK_MATH_FUNC([csinhl])
+GCC_CHECK_MATH_FUNC([sqrtf])
+GCC_CHECK_MATH_FUNC([sqrt])
+GCC_CHECK_MATH_FUNC([sqrtl])
+GCC_CHECK_MATH_FUNC([csqrtf])
+GCC_CHECK_MATH_FUNC([csqrt])
+GCC_CHECK_MATH_FUNC([csqrtl])
+GCC_CHECK_MATH_FUNC([tanf])
+GCC_CHECK_MATH_FUNC([tan])
+GCC_CHECK_MATH_FUNC([tanl])
+GCC_CHECK_MATH_FUNC([ctanf])
+GCC_CHECK_MATH_FUNC([ctan])
+GCC_CHECK_MATH_FUNC([ctanl])
+GCC_CHECK_MATH_FUNC([tanhf])
+GCC_CHECK_MATH_FUNC([tanh])
+GCC_CHECK_MATH_FUNC([tanhl])
+GCC_CHECK_MATH_FUNC([ctanhf])
+GCC_CHECK_MATH_FUNC([ctanh])
+GCC_CHECK_MATH_FUNC([ctanhl])
+GCC_CHECK_MATH_FUNC([truncf])
+GCC_CHECK_MATH_FUNC([trunc])
+GCC_CHECK_MATH_FUNC([truncl])
+GCC_CHECK_MATH_FUNC([erff])
+GCC_CHECK_MATH_FUNC([erf])
+GCC_CHECK_MATH_FUNC([erfl])
+GCC_CHECK_MATH_FUNC([erfcf])
+GCC_CHECK_MATH_FUNC([erfc])
+GCC_CHECK_MATH_FUNC([erfcl])
+GCC_CHECK_MATH_FUNC([j0f])
+GCC_CHECK_MATH_FUNC([j0])
+GCC_CHECK_MATH_FUNC([j0l])
+GCC_CHECK_MATH_FUNC([j1f])
+GCC_CHECK_MATH_FUNC([j1])
+GCC_CHECK_MATH_FUNC([j1l])
+GCC_CHECK_MATH_FUNC([jnf])
+GCC_CHECK_MATH_FUNC([jn])
+GCC_CHECK_MATH_FUNC([jnl])
+GCC_CHECK_MATH_FUNC([y0f])
+GCC_CHECK_MATH_FUNC([y0])
+GCC_CHECK_MATH_FUNC([y0l])
+GCC_CHECK_MATH_FUNC([y1f])
+GCC_CHECK_MATH_FUNC([y1])
+GCC_CHECK_MATH_FUNC([y1l])
+GCC_CHECK_MATH_FUNC([ynf])
+GCC_CHECK_MATH_FUNC([yn])
+GCC_CHECK_MATH_FUNC([ynl])
+GCC_CHECK_MATH_FUNC([tgamma])
+GCC_CHECK_MATH_FUNC([tgammaf])
+GCC_CHECK_MATH_FUNC([tgammal])
+GCC_CHECK_MATH_FUNC([lgamma])
+GCC_CHECK_MATH_FUNC([lgammaf])
+GCC_CHECK_MATH_FUNC([lgammal])
+
+# Check for GFORTRAN_C99_1.1 funcs
+GCC_CHECK_MATH_FUNC([cacos])
+GCC_CHECK_MATH_FUNC([cacosf])
+GCC_CHECK_MATH_FUNC([cacosh])
+GCC_CHECK_MATH_FUNC([cacoshf])
+GCC_CHECK_MATH_FUNC([cacoshl])
+GCC_CHECK_MATH_FUNC([cacosl])
+GCC_CHECK_MATH_FUNC([casin])
+GCC_CHECK_MATH_FUNC([casinf])
+GCC_CHECK_MATH_FUNC([casinh])
+GCC_CHECK_MATH_FUNC([casinhf])
+GCC_CHECK_MATH_FUNC([casinhl])
+GCC_CHECK_MATH_FUNC([casinl])
+GCC_CHECK_MATH_FUNC([catan])
+GCC_CHECK_MATH_FUNC([catanf])
+GCC_CHECK_MATH_FUNC([catanh])
+GCC_CHECK_MATH_FUNC([catanhf])
+GCC_CHECK_MATH_FUNC([catanhl])
+GCC_CHECK_MATH_FUNC([catanl])