Commit bdf8b1d2b74e12648edafffcda43832bc35e3d1f
2019-08-18T16:12:29
Defeat -flto GCC optimization in math autoconf tests. Reported by Tomasz Kłoczko <kloczko.tomasz@gmail.com> at <https://savannah.gnu.org/bugs/?56109>. * m4/mathfunc.m4 (gl_MATHFUNC): Mark function pointer as 'volatile'. * m4/acosl.m4 (gl_FUNC_ACOSL): Likewise. * m4/asinl.m4 (gl_FUNC_ASINL): Likewise. * m4/atanl.m4 (gl_FUNC_ATANL): Likewise. * m4/cosl.m4 (gl_FUNC_COSL): Likewise. * m4/exp2.m4 (gl_FUNC_EXP2): Likewise. * m4/expl.m4 (gl_FUNC_EXPL): Likewise. * m4/expm1.m4 (gl_FUNC_EXPM1): Likewise. * m4/expm1l.m4 (gl_FUNC_EXPM1L): Likewise. * m4/sinl.m4 (gl_FUNC_SINL): Likewise. * m4/sqrtl.m4 (gl_FUNC_SQRTL): Likewise. * m4/tanl.m4 (gl_FUNC_TANL): Likewise.