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51 lines
2.0 KiB
51 lines
2.0 KiB
======================================
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Installing Duktape as a system library
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======================================
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Duktape can be installed as a system library, e.g. as part of a Unix
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distribution, as follows:
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* Run ``tools/configure.py`` to create prepared Duktape header and source
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files with options suitable for the target system. As a general rule
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you should use the defaults unless they conflict with the target system.
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- On some systems you may need to override byte order, alignment requirements,
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Date built-in provider, etc.
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- When compiling as a Windows DLL use the ``--dll`` option which ensures
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symbol visibility declspec attributes are used correctly.
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- See http://wiki.duktape.org/Configuring.html for more details and examples.
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* Build a system specific installation package with:
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- ``duktape.c`` compiled into a static/dynamic library, installed into
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system library paths.
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- ``duktape.h`` and ``duk_config.h``, installed into system include paths.
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* A user application then simply ensures that:
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- The system include path containing ``duktape.h`` and ``duk_config.h``
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is in the include path.
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- The system library path containing the Duktape static/dynamic library
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is in the library path.
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- Link with the the static/dynamic Duktape library.
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- Ensure that the standard math library is linked (``-lm``).
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There a few limitations in this approach:
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* A user application cannot use custom config options because the active
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options are encapsulated in ``duk_config.h`` and affect the compilation
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of the shared Duktape library. This issue exists with all libraries with
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custom features affecting library compilation but may be emphasized for
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Duktape because there are a lot of config options.
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* Technically the Duktape library and the user application should be compiled
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with the same compiler. When using different compilers, basic types or
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struct alignment rules (among other things) may differ. In practice it's
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unlikely you'll run into problems, at least when using mainline compilers
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like gcc and clang.
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