diff options
Diffstat (limited to 'gnulib/m4/copysignl.m4')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/m4/copysignl.m4 | 25 |
2 files changed, 25 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/copysignl.m4 b/gnulib/m4/copysignl.m4 new file mode 100644 index 0000000..80c7b18 --- /dev/null +++ b/gnulib/m4/copysignl.m4 @@ -0,0 +1,25 @@ +# copysignl.m4 serial 2 +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_COPYSIGNL], +[ + AC_REQUIRE([gl_MATH_H_DEFAULTS]) + AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE]) + + dnl Determine COPYSIGNL_LIBM. + gl_MATHFUNC([copysignl], [long double], [(long double, long double)]) + if test $gl_cv_func_copysignl_no_libm = no \ + && test $gl_cv_func_copysignl_in_libm = no; then + HAVE_COPYSIGNL=0 + if test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1; then + AC_REQUIRE([gl_FUNC_COPYSIGN]) + COPYSIGNL_LIBM="$COPYSIGN_LIBM" + else + COPYSIGNL_LIBM= + fi + fi + AC_SUBST([COPYSIGNL_LIBM]) +]) |