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33 lines
1.1 KiB
Plaintext
33 lines
1.1 KiB
Plaintext
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dnl Usage: TL_AC_GXX_INCLUDE_DIR
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dnl
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dnl Set $gxx_include_dir to the location of the installed C++ include
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dnl directory. The value depends on $gcc_version and the configuration
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dnl options --with-gxx-include-dir and --enable-version-specific-runtime-libs.
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dnl
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dnl If you change the default here, you'll need to change the gcc and
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dnl libstdc++-v3 subdirectories too.
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AC_DEFUN([TL_AC_GXX_INCLUDE_DIR],
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[
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case "${with_gxx_include_dir}" in
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yes)
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AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
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;;
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no | "")
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case "${enable_version_specific_runtime_libs}" in
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yes) gxx_include_dir='$(libsubdir)/include/c++' ;;
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*)
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libstdcxx_incdir='c++/$(gcc_version)'
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gxx_include_dir='include/$(libstdcxx_incdir)'
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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gxx_include_dir='${prefix}/${target_alias}/'"$gxx_include_dir"
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else
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gxx_include_dir='${prefix}/'"$gxx_include_dir"
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fi;;
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esac ;;
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*) gxx_include_dir=${with_gxx_include_dir} ;;
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esac
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AC_SUBST(gxx_include_dir)
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AC_SUBST(libstdcxx_incdir)
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])
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