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-rw-r--r--configure.ac13
1 files changed, 4 insertions, 9 deletions
diff --git a/configure.ac b/configure.ac
index 555f023b5c..cc9df54c0d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -941,9 +941,6 @@ main()
ac_cv_func_fsync=yes
ac_cv_func_seekdir=yes
ac_cv_func_telldir=yes
- ac_cv_func_isinf=yes
- ac_cv_func_isnan=yes
- ac_cv_func_finite=yes
ac_cv_func_lchown=yes
ac_cv_func_link=yes
ac_cv_func_readlink=yes
@@ -994,9 +991,6 @@ main()
[netbsd*], [ LIBS="-lm $LIBS"
],
[dragonfly*], [ LIBS="-lm $LIBS"
- # isinf() and isnan() are macros on DragonFly.
- ac_cv_func_isinf=yes
- ac_cv_func_isnan=yes
],
[aix*],[ LIBS="-lm $LIBS"
ac_cv_func_round=no
@@ -1721,11 +1715,8 @@ AC_REPLACE_FUNCS(dup2)
AC_REPLACE_FUNCS(erf)
AC_REPLACE_FUNCS(explicit_bzero)
AC_REPLACE_FUNCS(ffs)
-AC_REPLACE_FUNCS(finite)
AC_REPLACE_FUNCS(flock)
AC_REPLACE_FUNCS(hypot)
-AC_REPLACE_FUNCS(isinf)
-AC_REPLACE_FUNCS(isnan)
AC_REPLACE_FUNCS(lgamma_r)
AC_REPLACE_FUNCS(memmove)
AC_REPLACE_FUNCS(nan)
@@ -1738,6 +1729,10 @@ AC_REPLACE_FUNCS(strlcpy)
AC_REPLACE_FUNCS(strstr)
AC_REPLACE_FUNCS(tgamma)
+RUBY_REPLACE_FUNC([finite], [@%:@include <math.h>])
+RUBY_REPLACE_FUNC([isinf], [@%:@include <math.h>])
+RUBY_REPLACE_FUNC([isnan], [@%:@include <math.h>])
+
# for missing/setproctitle.c
AS_CASE(["$target_os"],
[aix* | k*bsd*-gnu | kopensolaris*-gnu | linux* | darwin*], [AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)],