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https://github.com/rakshasa/rtorrent.git
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rakshasa
62 lines
1.8 KiB
Plaintext
62 lines
1.8 KiB
Plaintext
AC_DEFUN([RAK_CHECK_CXX11], [
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AC_ARG_ENABLE([c++0x],
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AC_HELP_STRING([--enable-c++0x], [compile with C++0x (unsupported)]),
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[
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if test "$enableval" = "yes"; then
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AX_CXX_COMPILE_STDCXX_0X
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else
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AX_CXX_COMPILE_STDCXX_11(noext)
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fi
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],[
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AX_CXX_COMPILE_STDCXX_11(noext)
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]
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)
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])
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AC_DEFUN([RAK_CHECK_TR1_LIB], [
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AC_LANG_PUSH(C++)
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AC_MSG_CHECKING(should use TR1 headers)
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([
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#include <unordered_map>
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class Foo; typedef std::unordered_map<Foo*, int> Bar;
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Bar b1;
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])
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], [
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AC_MSG_RESULT(no)
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AC_DEFINE(USE_TR1_LIB, 0, Define to 1 if you need to use TR1 containers.)
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AC_DEFINE([lt_tr1_array], [<array>], [TR1 array])
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AC_DEFINE([lt_tr1_functional], [<functional>], [TR1 functional])
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AC_DEFINE([lt_tr1_memory], [<memory>], [TR1 memory])
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AC_DEFINE([lt_tr1_unordered_map], [<unordered_map>], [TR1 unordered_map])
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], [
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([
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#include <tr1/unordered_map>
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class Foo; typedef std::tr1::unordered_map<Foo*, int> Bar;
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Bar b1;
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])
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], [
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AC_MSG_RESULT([yes])
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AC_DEFINE(USE_TR1_LIB, 1, Define to 1 if you need to use TR1 containers.)
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AC_DEFINE([lt_tr1_array], [<tr1/array>], [TR1 array])
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AC_DEFINE([lt_tr1_functional], [<tr1/functional>], [TR1 functional])
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AC_DEFINE([lt_tr1_memory], [<tr1/memory>], [TR1 memory])
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AC_DEFINE([lt_tr1_unordered_map], [<tr1/unordered_map>], [TR1 unordered_map])
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], [
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AC_MSG_ERROR([No support for C++11 standard library nor TR1 extensions found.])
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])
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])
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AH_VERBATIM(lt_tr1_zzz, [
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#if USE_TR1_LIB == 1
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namespace std { namespace tr1 {} using namespace tr1; }
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#endif
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])
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AC_LANG_POP(C++)
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])
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