source: ThirdParty/CodePatterns/m4/ac_cxx_have_valarray.m4@ 9a9f847

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Last change on this file since 9a9f847 was 41e8e2, checked in by Frederik Heber <heber@…>, 8 years ago

Merge commit '084729c5923f0123e695fbe2548b393288c1f13d' as 'ThirdParty/CodePatterns'

  • Property mode set to 100644
File size: 751 bytes
Line 
1dnl @synopsis AC_CXX_HAVE_VALARRAY
2dnl
3dnl If the compiler has valarray<T>, define HAVE_VALARRAY.
4dnl
5dnl @category Cxx
6dnl @author Todd Veldhuizen
7dnl @author Luc Maisonobe <luc@spaceroots.org>
8dnl @version 2004-02-04
9dnl @license AllPermissive
10
11AC_DEFUN([AC_CXX_HAVE_VALARRAY],
12[AC_CACHE_CHECK(whether the compiler has valarray<T>,
13ac_cv_cxx_have_valarray,
14[AC_REQUIRE([AC_CXX_NAMESPACES])
15 AC_LANG_SAVE
16 AC_LANG_CPLUSPLUS
17 AC_TRY_COMPILE([#include <valarray>
18#ifdef HAVE_NAMESPACES
19using namespace std;
20#endif],[valarray<float> x(100); return 0;],
21 ac_cv_cxx_have_valarray=yes, ac_cv_cxx_have_valarray=no)
22 AC_LANG_RESTORE
23])
24if test "$ac_cv_cxx_have_valarray" = yes; then
25 AC_DEFINE(HAVE_VALARRAY,,[define if the compiler has valarray<T>])
26fi
27])
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