diff options
Diffstat (limited to 'configure.in')
-rw-r--r-- | configure.in | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/configure.in b/configure.in index 1ca8d142ac..55be1a395b 100644 --- a/configure.in +++ b/configure.in @@ -2639,47 +2639,6 @@ main(int argc, char **argv) ]) AS_IF([test "x$rb_cv_atan2_inf_c99" = xyes], [AC_DEFINE(ATAN2_INF_C99)]) -AS_IF([test "x$ac_cv_func_lgamma_r" = xyes], [ - AC_CACHE_CHECK(whether lgamma_r handles +0.0 and -0.0, rb_cv_lgamma_r_pm0, [ - AC_TRY_RUN([ -@%:@include <math.h> -@%:@ifdef HAVE_UNISTD_H -@%:@include <unistd.h> -@%:@endif -@%:@ifndef EXIT_SUCCESS -@%:@define EXIT_SUCCESS 0 -@%:@endif -@%:@ifndef EXIT_FAILURE -@%:@define EXIT_FAILURE 1 -@%:@endif - -int -main(int argc, char **argv) -{ - int sign = 0; - double x = lgamma_r(-0.0, &sign); - - /* should be [+inf, -1] */ - if (x <= 0) return EXIT_FAILURE; - if (!isinf(x)) return EXIT_FAILURE; - if (sign != -1) return EXIT_FAILURE; - - /* should be [+inf, 1] */ - x = lgamma_r(+0.0, &sign); - if (x <= 0) return EXIT_FAILURE; - if (!isinf(x)) return EXIT_FAILURE; - if (sign != 1) return EXIT_FAILURE; - return EXIT_SUCCESS; -} -], - [rb_cv_lgamma_r_pm0=yes], - [rb_cv_lgamma_r_pm0=no], - [rb_cv_lgamma_r_pm0=yes] - ) - ]) - AS_IF([test "x$rb_cv_lgamma_r_pm0" = xno], [AC_DEFINE(LGAMMA_R_PM0_FIX)]) -]) - # Some platform need -lrt for clock_gettime, but the other don't. if test x"$ac_cv_func_clock_gettime" != xyes; then # glibc 2.17 moves clock_* functions from librt to the main C library. |