diff options
Diffstat (limited to 'src/configure.ac')
| -rw-r--r-- | src/configure.ac | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/src/configure.ac b/src/configure.ac index 76eb56327c..b688032d00 100644 --- a/src/configure.ac +++ b/src/configure.ac @@ -3952,32 +3952,8 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_NL_LANGINFO_CODESET), AC_MSG_RESULT(no)) -dnl Need various functions for floating point support. Only enable -dnl floating point when they are all present. +dnl Floating point support may require the "m" library AC_CHECK_LIB(m, strtod) -AC_MSG_CHECKING([for strtod() and other floating point functions]) -AC_LINK_IFELSE([AC_LANG_PROGRAM([ -#ifdef HAVE_MATH_H -# include <math.h> -#endif -#if STDC_HEADERS -# include <stdlib.h> -# include <stddef.h> -#endif -], [char *s; double d; - d = strtod("1.1", &s); - d = fabs(1.11); - d = ceil(1.11); - d = floor(1.11); - d = log10(1.11); - d = pow(1.11, 2.22); - d = sqrt(1.11); - d = sin(1.11); - d = cos(1.11); - d = atan(1.11); - ])], - AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FLOAT_FUNCS), - AC_MSG_RESULT(no)) dnl isinf() and isnan() need to include header files and may need -lm. AC_MSG_CHECKING([for isinf()]) |