diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/configure.ac b/configure.ac index b83db53280..34fc4a52bf 100644 --- a/configure.ac +++ b/configure.ac @@ -529,22 +529,15 @@ AC_SUBST(OSX_MIN_VERSION) AC_SYS_LARGEFILE # -# Look for math functions; use libm if necessary. -# -AC_SEARCH_LIBS(floor, m) -AC_SEARCH_LIBS(ceil, m) -AC_SEARCH_LIBS(exp, m) -AC_SEARCH_LIBS(log, m) -AC_SEARCH_LIBS(log10, m) -AC_SEARCH_LIBS(floorl, m, - [ - FLOORL_LO="" - AC_DEFINE(HAVE_FLOORL, 1, [Define if you have the floorl function.]) - ], - FLOORL_LO="floorl.lo") -AC_SUBST(FLOORL_LO) -AC_SEARCH_LIBS(lrint, m, - [AC_DEFINE(HAVE_LRINT, 1, [Define if you have the 'lrint' function.])]) +# Check if we need to link with libm +# +AC_SEARCH_LIBS([cos], [m]) + +# +# Check for C99 math functions. +# +AC_CHECK_FUNCS([floorl lrint]) +AM_CONDITIONAL([HAVE_FLOORL], [test "x$ac_cv_func_floorl" = xyes]) # # Check if we need to link with -lnsl and -lsocket |