diff options
Diffstat (limited to 'gnulib/m4/copysign.m4')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/m4/copysign.m4 | 19 |
2 files changed, 19 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/copysign.m4 b/gnulib/m4/copysign.m4 new file mode 100644 index 0000000..15c9bc6 --- /dev/null +++ b/gnulib/m4/copysign.m4 @@ -0,0 +1,19 @@ +# copysign.m4 serial 1 +dnl Copyright (C) 2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_COPYSIGN], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + + dnl Determine COPYSIGN_LIBM. + gl_MATHFUNC([copysign], [double], [(double, double)]) + if test $gl_cv_func_copysign_no_libm = no \ + && test $gl_cv_func_copysign_in_libm = no; then + HAVE_COPYSIGN=0 + COPYSIGN_LIBM= + fi + AC_SUBST([COPYSIGN_LIBM]) +]) |