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| author | Ben Pfaff <blp@cs.stanford.edu> | 2007-10-27 21:05:58 -0700 |
|---|---|---|
| committer | Ben Pfaff <blp@cs.stanford.edu> | 2007-10-27 21:05:58 -0700 |
| commit | ca45caaa07c9e69f791a8e93199aeafa181e7572 (patch) | |
| tree | 03a3df5b7fd22fde518f57724d2e10179ac5eda8 /m4/round.m4 | |
| parent | 0e88f121165602cfc0885b41f03717e4eaf5910f (diff) | |
| download | gnulib-ca45caaa07c9e69f791a8e93199aeafa181e7572.tar.gz | |
Check whether round* exist in libraries, not just whether they are declared.
Diffstat (limited to 'm4/round.m4')
| -rw-r--r-- | m4/round.m4 | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/m4/round.m4 b/m4/round.m4 index 6e7e739d18..772fba3a5b 100644 --- a/m4/round.m4 +++ b/m4/round.m4 @@ -1,4 +1,4 @@ -# round.m4 serial 2 +# round.m4 serial 3 dnl Copyright (C) 2007 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -12,7 +12,8 @@ AC_DEFUN([gl_FUNC_ROUND], AC_CHECK_DECLS([round], , , [#include <math.h>]) if test "$ac_cv_have_decl_round" = yes; then gl_CHECK_MATH_LIB([ROUND_LIBM], [x = round (x);]) - else + fi + if test "$ac_cv_have_decl_round" != yes || test "$ROUND_LIBM" = missing; then gl_CHECK_MATH_LIB([ROUND_LIBM], [x = floor (x) + ceil (x);]) HAVE_DECL_ROUND=0 AC_LIBOBJ([round]) |