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Require Lua 5.1 when building the Lua bindings
The cairo/imlib2/rsvg bindings require tolua++ [1], which is currently only compatible with Lua 5.1 or earlier. We need to force Conky to compile against Lua 5.1 if the user chooses to build the bindings. This commit adds a separate pkg_search_module command specifically for Lua 5.1, along with a note in the documentation. The original pkg_search_module command was updated to include (and prefer) Lua 5.3+. Also, I threw in two other minor random fixes to the docs while I was at it. [1] https://github.com/LuaDist/toluapp
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@ -250,12 +250,28 @@ if(BUILD_X11)
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endif(X11_FOUND)
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endif(BUILD_X11)
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pkg_search_module(LUA REQUIRED lua5.2 lua-5.2 lua>=5.1 lua5.1 lua-5.1)
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# Check whether we want Lua bindings
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if(BUILD_LUA_CAIRO OR BUILD_LUA_IMLIB2 OR BUILD_LUA_RSVG)
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set(WANT_TOLUA true)
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endif(BUILD_LUA_CAIRO OR BUILD_LUA_IMLIB2 OR BUILD_LUA_RSVG)
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# Check for Lua itself
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if(WANT_TOLUA)
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# If we need tolua++, we must compile against Lua 5.1
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pkg_search_module(LUA REQUIRED lua5.1 lua-5.1 lua51 lua)
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if(NOT LUA_VERSION VERSION_LESS 5.2.0)
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message(FATAL_ERROR "Unable to find Lua 5.1.x")
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endif(NOT LUA_VERSION VERSION_LESS 5.2.0)
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else(WANT_TOLUA)
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# Otherwise, use the most recent Lua version
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pkg_search_module(LUA REQUIRED lua>=5.3 lua5.3 lua-5.3 lua53 lua5.2 lua-5.2 lua52 lua5.1 lua-5.1 lua51 lua>=5.1)
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endif(WANT_TOLUA)
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set(conky_libs ${conky_libs} ${LUA_LIBRARIES})
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set(conky_includes ${conky_includes} ${LUA_INCLUDE_DIRS})
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link_directories(${LUA_LIBRARY_DIRS})
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# Check for libraries used by Lua bindings
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if(BUILD_LUA_CAIRO)
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set(WANT_TOLUA true)
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pkg_check_modules(CAIRO REQUIRED cairo cairo-xlib)
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set(luacairo_libs ${CAIRO_LIBRARIES} ${LUA_LIBRARIES})
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set(luacairo_includes ${CAIRO_INCLUDE_DIRS} ${LUA_INCLUDE_DIRS})
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@ -265,13 +281,11 @@ if(BUILD_LUA_CAIRO)
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endif(NOT APP_PATCH)
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endif(BUILD_LUA_CAIRO)
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if(BUILD_LUA_IMLIB2)
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set(WANT_TOLUA true)
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pkg_check_modules(IMLIB2 imlib2)
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pkg_search_module(IMLIB2 REQUIRED imlib2 Imlib2)
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set(luaimlib2_libs ${IMLIB2_LIB} ${LUA_LIBRARIES})
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set(luaimlib2_includes ${IMLIB2_INCLUDE_PATH} ${LUA_INCLUDE_DIRS})
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endif(BUILD_LUA_IMLIB2)
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if(BUILD_LUA_RSVG)
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set(WANT_TOLUA true)
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pkg_check_modules(RSVG REQUIRED librsvg-2.0)
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set(luarsvg_libs ${RSVG_LIBRARIES} ${LUA_LIBRARIES})
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set(luarsvg_includes ${RSVG_INCLUDE_DIRS} ${LUA_INCLUDE_DIRS})
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20
doc/docs.xml
20
doc/docs.xml
@ -192,15 +192,15 @@
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<refsect1>
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<title>Lua API</title>
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<para>Conky features a Lua Programming API, and also ships with Lua
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bindings for some useful libraries. Conky defines certain global
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functions and variables which can be accessed from Lua code running
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in Conky.
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bindings for some useful libraries. Note that the bindings require
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tolua++, which currently only compiles against Lua 5.1.
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</para>
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<para>To use Lua Conky, you first need to make sure you have a version of Conky
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with Lua support enabled (``conky -v'' will report this). Scripts
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must first be loaded using the lua_load configuration option. You
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then call functions in Lua via Conky's $lua, $lua_read, and Lua
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hooks.
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with Lua support enabled (``conky -v'' will report this). Conky defines
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certain global functions and variables which can be accessed from Lua
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code running in Conky. Scripts must first be loaded using the lua_load
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configuration option. You then call functions in Lua via Conky's $lua,
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$lua_read, and Lua hooks.
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</para>
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<para>
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Be careful when creating threaded objects through the Lua API. You
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@ -263,7 +263,7 @@
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</varlistentry>
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<varlistentry>
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<term>
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<filename>~/.config/conky/rc</filename>
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<filename>~/.config/conky/conky.conf</filename>
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</term>
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<listitem>Default personal configuration
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file.</listitem>
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@ -308,8 +308,8 @@
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the BSD license (see LICENSE.BSD for a copy). All code
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written since the fork of torsmo is licensed under the GPL
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(see LICENSE.GPL for a copy), except where noted
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differently (such as in portmon and audacious code which are LGPL, and
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prss which is an MIT-style license).</para>
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differently (such as in portmon and audacious code which are LGPL, and
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prss which is an MIT-style license).</para>
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</refsect1>
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<refsect1>
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<title>Authors</title>
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