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per the recommended style guide for autoconf and so that individual autoconf functions can more easily be shared across projects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16223 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
685 B
Plaintext
24 lines
685 B
Plaintext
# Check for standard iterator extension. This is modified from
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# http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_ext_hash_set.html
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AC_DEFUN([AC_CXX_HAVE_STD_ITERATOR],
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[AC_CACHE_CHECK(whether the compiler has the standard iterator,
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ac_cv_cxx_have_std_iterator,
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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_TRY_COMPILE([#include <iterator>
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#ifdef HAVE_NAMESPACES
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using namespace std;
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#endif],[iterator<int,int,int> t; return 0;],
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ac_cv_cxx_have_std_iterator=yes, ac_cv_cxx_have_std_iterator=no)
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AC_LANG_RESTORE
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])
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HAVE_STD_ITERATOR=0
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if test "$ac_cv_cxx_have_std_iterator" = yes
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then
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HAVE_STD_ITERATOR=1
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fi
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AC_SUBST(HAVE_STD_ITERATOR)])
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