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List: kde-commits
Subject: branches/KDE/3.5/kdelibs/kjs
From: Hasso Tepper <hasso () kde ! org>
Date: 2007-04-14 4:06:34
Message-ID: 1176523594.548191.10109.nullmailer () svn ! kde ! org
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SVN commit 653741 by hasso:
Autoconf version of the 653738.
Make isnan() and isinf() detection work for systems where these are macros.
As C99 mandates so, it's about most of systems.
M +31 -5 configure.in.in
--- branches/KDE/3.5/kdelibs/kjs/configure.in.in #653740:653741
@@ -1,19 +1,45 @@
dnl KDE JavaScript specific configure tests
AC_CHECK_HEADERS(ieeefp.h float.h)
-AC_CHECK_LIB(m, isinf, [
- AC_DEFINE_UNQUOTED(HAVE_FUNC_ISINF, 1, [Define if you have isinf])
-])
AC_CHECK_LIB(m, finite, [
AC_DEFINE_UNQUOTED(HAVE_FUNC_FINITE, 1, [Define if you have finite])
])
AC_CHECK_LIB(m, _finite, [
AC_DEFINE_UNQUOTED(HAVE_FUNC__FINITE, 1, [Define if you have _finite])
])
-AC_CHECK_LIB(m, isnan, [
- AC_DEFINE_UNQUOTED(HAVE_FUNC_ISNAN, 1, [Define if you have isnan])
+
+dnl The C99 standard says that isinf and isnan are macros, but they might
+dnl be functions on some platforms.
+AC_DEFUN([AC_CHECK_ISNAN],
+[
+ ac_save_libs="$LIBS"
+ LIBS="-lm"
+ AC_MSG_CHECKING([for isnan with <math.h>])
+ AC_TRY_LINK(
+ [#include <math.h>], [float f = 0.0; isnan(f)],
+ [AC_MSG_RESULT(yes)
+ AC_DEFINE([HAVE_FUNC_ISNAN], [1], [Define if you have isnan])],
+ AC_MSG_RESULT(no)
+ )
+ LIBS="$ac_save_libs"
])
+AC_DEFUN([AC_CHECK_ISINF],
+[
+ ac_save_libs="$LIBS"
+ LIBS="-lm"
+ AC_MSG_CHECKING([for isinf with <math.h>])
+ AC_TRY_LINK(
+ [#include <math.h>], [float f = 0.0; isinf(f)],
+ [AC_MSG_RESULT(yes)
+ AC_DEFINE([HAVE_FUNC_ISINF], [1], [Define if you have isinf])],
+ AC_MSG_RESULT(no)
+ )
+ LIBS="$ac_save_libs"
+])
+AC_CHECK_ISNAN
+AC_CHECK_ISINF
+
AC_DEFUN([AC_CHECK_PCREPOSIX],
[
dnl define the configure option that disables pcre
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