Blame m4/ac_cxx_have_strstream.m4
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dnl @synopsis AC_CXX_HAVE_STRSTREAM
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dnl
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dnl If the C++ library has a working strstream, define HAVE_CLASS_STRSTREAM.
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dnl
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dnl Adapted from ac_cxx_have_sstream.m4 by Steve Robbins
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dnl
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AC_DEFUN([AC_CXX_HAVE_STRSTREAM],
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[AC_CACHE_CHECK(whether the library defines class strstream,
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ac_cv_cxx_have_class_strstream,
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[AC_REQUIRE([AC_CXX_NAMESPACES])
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_CHECK_HEADERS(strstream)
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AC_TRY_COMPILE([
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#if HAVE_STRSTREAM
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# include <strstream>
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#else
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# include <strstream.h>
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#endif
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#ifdef HAVE_NAMESPACES
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using namespace std;
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#endif],[ostrstream message; message << "Hello"; return 0;],
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ac_cv_cxx_have_class_strstream=yes, ac_cv_cxx_have_class_strstream=no)
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AC_LANG_RESTORE
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])
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if test "$ac_cv_cxx_have_class_strstream" = yes; then
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AC_DEFINE(HAVE_CLASS_STRSTREAM,1,[define if the library defines strstream])
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fi
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])
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