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<h4>This is a mirror page, please see the original page: </h4><a href="https://xmake.io/#/manual/package_instance">https://xmake.io/#/manual/package_instance</a>
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    <p>This page describes the interface for <code>package</code> of functions like <code>on_load()</code>, <code>on_install()</code> or <code>on_test()</code> of the <a href="manual/package_dependencies.md">Package Dependencies</a></p>
<h4 id="packagename">package:name</h4>
<ul>
<li>Get the name of the package</li>
</ul>
<h4 id="packageget">package:get</h4>
<ul>
<li>Get the values of the package by name</li>
</ul>
<pre><code class="lang-lua">-- get the dependencies
package:get("deps")
-- get the links
package:get("links")
-- get the defined macros
package:get("defines")
</code></pre>
<h4 id="packageset">package:set</h4>
<ul>
<li>Set the values of the package by name (If you just want to add values use <a href="#packageadd">package:add</a>)</li>
</ul>
<pre><code class="lang-lua">-- set the dependencies
package:set("deps", "python")
-- set the links
package:set("links", "sdl2")
-- set the defined macros
package:set("defines", "SDL_MAIN_HANDLED")
</code></pre>
<h4 id="packageadd">package:add</h4>
<ul>
<li>Add to the values of the package by name</li>
</ul>
<pre><code class="lang-lua">-- add dependencies
package:add("deps", "python")
-- add links
package:add("links", "sdl2")
-- add defined macros
package:add("defines", "SDL_MAIN_HANDLED")
</code></pre>
<h4 id="packagelicense">package:license</h4>
<ul>
<li>Get the license of the package (Same as <code>package:get("license")</code>)</li>
</ul>
<h4 id="packagedescription">package:description</h4>
<ul>
<li>Get the description of the package (Same as <code>package:get("description")</code>)</li>
</ul>
<h4 id="packageplat">package:plat</h4>
<ul>
<li>Get the platform of the package. Can be any of:<ul>
<li>windows</li>
<li>linux</li>
<li>macosx</li>
<li>android</li>
<li>iphoneos</li>
<li>watchos</li>
<li>mingw</li>
<li>cygwin</li>
<li>bsd</li>
</ul>
</li>
</ul>
<p>If the package is binary <a href="manual/builtin_modules.md#oshost"><code>os.host</code></a> is returned</p>
<h4 id="packagearch">package:arch</h4>
<ul>
<li>Get the architecture of the package (e.g. x86, x64, x86_64)</li>
</ul>
<p>If the package is binary <a href="manual/builtin_modules.md#osarch"><code>os.arch</code></a> is returned</p>
<h4 id="packagetargetos">package:targetos</h4>
<ul>
<li>Get the targeted OS of the package. Can have the same values as <a href="#packageplat">package:plat</a></li>
</ul>
<h4 id="packagetargetarch">package:targetarch</h4>
<ul>
<li>Get the targeted architecture of the package. Can have the same values as <a href="#packagearch">package:arch</a></li>
</ul>
<h4 id="packageis_plat">package:is_plat</h4>
<ul>
<li>Wether the current platform is one of the given platforms</li>
</ul>
<pre><code class="lang-lua">-- Is the current platform android?
package:is_plat("android")
-- Is the current platform windows, linux or macosx?
package:is_plat("windows", "linux", "macosx")
</code></pre>
<h4 id="packageis_arch">package:is_arch</h4>
<ul>
<li>Wether the current platform is one of the given platforms</li>
</ul>
<pre><code class="lang-lua">-- Is the current architecture x86
package:is_arch("x86")
-- Is the current architecture x64 or x86_64
package:is_arch("x64", "x86_64")
</code></pre>
<h4 id="packageis_targetos">package:is_targetos</h4>
<ul>
<li>Wether the currently targeted OS is one of the given OS</li>
</ul>
<pre><code class="lang-lua">-- Is the currently targeted OS windows?
package:is_targetos("windows")
-- Is the currently targeted OS android or iphoneos?
package:is_targetos("android", "iphoneos")
</code></pre>
<h4 id="packageis_targetarch">package:is_targetarch</h4>
<ul>
<li>Wether the currently targeted architecture is one of the given architectures</li>
</ul>
<pre><code class="lang-lua">-- Is the currently targeted architecture x86
package:is_targetarch("x86")
-- Is the currently targeted architecture x64 or x86_64
package:is_targetarch("x64", "x86_64")
</code></pre>
<h4 id="packagealias">package:alias</h4>
<ul>
<li>Get the alias of the package</li>
</ul>
<p>If the user sets an alias like so:</p>
<pre><code class="lang-lua">add_requires("libsdl", {alias = "sdl"})
</code></pre>
<p>This alias can be retrieved by</p>
<pre><code class="lang-lua">-- returns "sdl"
package:alias()
</code></pre>
<h4 id="packageurls">package:urls</h4>
<ul>
<li>Get the URLs of the package</li>
</ul>
<p>Retrieve the URLs set by:</p>
<pre><code class="lang-lua">add_urls("https://example.com/library-$(version).zip")
-- or so
set_urls("https://example.com/library-$(version).zip")
</code></pre>
<p>Then write this:</p>
<pre><code class="lang-lua">-- returns the table {"https://example.com/library-$(version).zip"}
package:urls()
</code></pre>
<h4 id="packagedep">package:dep</h4>
<ul>
<li>Get a dependency of the package by name. The name needs to be a dependency of the package.</li>
</ul>
<pre><code class="lang-lua">local python = package:dep("python")
-- returns "python"
python:name()
</code></pre>
<h4 id="packagedeps">package:deps</h4>
<ul>
<li>Get all dependencies of the package</li>
</ul>
<pre><code class="lang-lua">-- prints the names of all dependencies
for _,dep in pairs(package:deps()) do
    print(dep:name())
end
</code></pre>
<h4 id="packagesourcehash">package:sourcehash</h4>
<ul>
<li>Get the sha256 checksum of an URL alias</li>
</ul>
<p>If the checksum is provided like so:</p>
<pre><code class="lang-lua">add_urls("https://example.com/library-$(version).zip", {alias = "example"})
add_versions("example:2.4.1", "29f9983cc7196e882c4bc3d23d7492f9c47574c7cf658afafe7d00c185429941")
</code></pre>
<p>You can retrieve the checksum like so:</p>
<pre><code class="lang-lua">-- returns "29f9983cc7196e882c4bc3d23d7492f9c47574c7cf658afafe7d00c185429941"
package:sourcehash("example")
-- or so
package:sourcehash(package:url_alias(package:urls()[1]))
</code></pre>
<h4 id="packagekind">package:kind</h4>
<ul>
<li>Get the kind of the package. Can be any of:<ul>
<li>binary</li>
<li>toolchain (is also binary)</li>
<li>library (default)</li>
<li>template <a href="https://github.com/xmake-io/xmake/issues/2138">#2138</a></li>
<li>headeronly</li>
</ul>
</li>
</ul>
<h4 id="packageis_binary">package:is_binary</h4>
<ul>
<li>Wether the package is of kind binary</li>
</ul>
<h4 id="packageis_toolchain">package:is_toolchain</h4>
<ul>
<li>Wether the package is of kind toolchain</li>
</ul>
<h4 id="packageis_library">package:is_library</h4>
<ul>
<li>Wether the package is of kind library</li>
</ul>
<h4 id="packageis_toplevel">package:is_toplevel</h4>
<ul>
<li>Wether the package is directly required by the user (e.g. xmake.lua)</li>
</ul>
<h4 id="packageis_thirdparty">package:is_thirdparty</h4>
<ul>
<li>Wether the package is provided by a thirdparty package manager (e.g. brew, conan, vcpkg)</li>
</ul>
<h4 id="packageis_debug">package:is_debug</h4>
<ul>
<li>Wether the package is build with debug mode (Same as <code>package:config("debug")</code>)</li>
</ul>
<h4 id="packageis_supported">package:is_supported</h4>
<ul>
<li>Wether the package is supported by the current platform and architecture</li>
</ul>
<h4 id="packagedebug">package:debug</h4>
<ul>
<li>Wether the the package gets built with debug mode (deprecated: use <a href="#packageis_debug"><code>package:is_debug</code></a> instead)</li>
</ul>
<h4 id="packageis_cross">package:is_cross</h4>
<ul>
<li>Wether the package is getting cross-compiled</li>
</ul>
<h4 id="packagecachedir">package:cachedir</h4>
<ul>
<li>Get the cache directory of the package</li>
</ul>
<h4 id="packageinstalldir">package:installdir</h4>
<ul>
<li>Get the installation directory of the package. Can also be used to get a subdirectory. If the given directory tree does not exist it will be created.</li>
</ul>
<pre><code class="lang-lua">-- returns the installation directory
package:installdir()
-- returns the subdirectory include inside the installation directory
package:installdir("include")
-- returns the subdirectory include/files
package:installdir("include", "files")
</code></pre>
<h4 id="packagescriptdir">package:scriptdir</h4>
<ul>
<li>Get the directory where the xmake.lua of the package lies</li>
</ul>
<h4 id="packageenvs">package:envs</h4>
<ul>
<li>Get the exported environment variables of the package</li>
</ul>
<h4 id="packagegetenv">package:getenv</h4>
<ul>
<li>Get the given environment variable</li>
</ul>
<pre><code class="lang-lua">-- returns a table
package:getenv("PATH")
</code></pre>
<h4 id="packagesetenv">package:setenv</h4>
<ul>
<li>Set the given environment variable. Overwrites the variable</li>
</ul>
<pre><code class="lang-lua">-- sets PATH to {"bin", "lib"}
package:setenv("PATH", "bin", "lib")
</code></pre>
<h4 id="packageaddenv">package:addenv</h4>
<ul>
<li>Add the given values to the environment variable</li>
</ul>
<pre><code class="lang-lua">-- adds "bin" and "lib" to PATH
package:addenv("PATH", "bin", "lib")
</code></pre>
<h4 id="packageversions">package:versions</h4>
<ul>
<li>Get all version strings of the package. Returns a table containing all versions as strings</li>
</ul>
<h4 id="packageversion">package:version</h4>
<ul>
<li>Get the version of the package</li>
</ul>
<pre><code class="lang-lua">local version = package:version()
-- get the major version
version:major()
-- get the minor version
version:minor()
-- get the patch version
version:patch()
</code></pre>
<h4 id="packageversion_str">package:version_str</h4>
<ul>
<li>Get the version of the package as string</li>
</ul>
<h4 id="packageconfig">package:config</h4>
<ul>
<li>Get the given configuration value of the package</li>
</ul>
<pre><code class="lang-lua">-- if configurations are set like so
add_require("example", {configs = {enable_x = true, value_y = 6}})
-- these values can be retrieved like so
-- returns true
package:config("enable_x")
-- returns 6
package:config("value_y")
</code></pre>
<h4 id="packageconfig_set">package:config_set</h4>
<ul>
<li>Set the given configuration value of the package</li>
</ul>
<pre><code class="lang-lua">package:config_set("enable_x", true)
package:config_set("value_y", 6)
</code></pre>
<h4 id="packageconfigs">package:configs</h4>
<ul>
<li>Get all configurations of the package</li>
</ul>
<pre><code class="lang-lua">-- returns a table with the configuration names as keys and their values as values
local configs = package:configs()
local enable_x = configs["enable_x"]
local value_y = configs["value_y"]
</code></pre>
<h4 id="packagebuildhash">package:buildhash</h4>
<ul>
<li>Get the build hash of the package</li>
</ul>
<h4 id="packagepatches">package:patches</h4>
<ul>
<li>Get all patches of the current version</li>
</ul>
<pre><code class="lang-lua">-- returns a table with all patches
local patches = package:patches()
-- each element contains the keys "url" and "sha256"
local url = patches[1]["url"]
local sha256 = patches[1]["sha256"]
</code></pre>
<h4 id="packagehas_cfuncs">package:has_cfuncs</h4>
<ul>
<li>Wether the package has the given C functions</li>
</ul>
<p>This should be used inside <code>on_test</code> like so:</p>
<pre><code class="lang-lua">on_test(function (package)
  assert(package:has_cfuncs("foo"))
  -- you can also add configs
  assert(package:has_cfuncs("bar", {includes = "foo_bar.h"}))
  assert(package:has_cfuncs("blob", {includes = "blob.h", configs = {defines = "USE_BLOB"}}))
  -- you can even set the language
  assert(package:has_cfuncs("bla", {configs = {languages = "c99"}}))
end)
</code></pre>
<h4 id="packagehas_cxxfuncs">package:has_cxxfuncs</h4>
<ul>
<li>Wether the package has the given C++ functions</li>
</ul>
<p>This should be used inside <code>on_test</code> like so:</p>
<pre><code class="lang-lua">on_test(function (package)
  assert(package:has_cxxfuncs("foo"))
  -- you can also add configs
  assert(package:has_cxxfuncs("bar", {includes = "foo_bar.hpp"}))
  assert(package:has_cxxfuncs("blob", {includes = "blob.hpp", configs = {defines = "USE_BLOB"}}))
  -- you can even set the language
  assert(package:has_cxxfuncs("bla", {configs = {languages = "cxx17"}}))
end)
</code></pre>
<h4 id="packagehas_ctypes">package:has_ctypes</h4>
<ul>
<li>Wether the package has the given C types</li>
</ul>
<p>This should be used inside <code>on_test</code> like so:</p>
<pre><code class="lang-lua">on_test(function (package)
  assert(package:has_ctypes("foo"))
  -- you can also add configs
  assert(package:has_ctypes("bar", {includes = "foo_bar.h"}))
  assert(package:has_ctypes("blob", {includes = "blob.h", configs = {defines = "USE_BLOB"}}))
  -- you can even set the language
  assert(package:has_ctypes("bla", {configs = {languages = "c99"}}))
end)
</code></pre>
<h4 id="packagehas_cxxtypes">package:has_cxxtypes</h4>
<ul>
<li>Wether the package has the given C++ types</li>
</ul>
<p>This should be used inside <code>on_test</code> like so:</p>
<pre><code class="lang-lua">on_test(function (package)
  assert(package:has_cxxtypes("foo"))
  -- you can also add configs
  assert(package:has_cxxtypes("bar", {includes = "foo_bar.hpp"}))
  assert(package:has_cxxtypes("blob", {includes = "blob.hpp", configs = {defines = "USE_BLOB"}}))
  -- you can even set the language
  assert(package:has_cxxtypes("bla", {configs = {languages = "cxx17"}}))
end)
</code></pre>
<h4 id="packagehas_cincludes">package:has_cincludes</h4>
<ul>
<li>Wether the package has the given C header files</li>
</ul>
<p>This should be used in <code>on_test</code> like so:</p>
<pre><code class="lang-lua">on_test(function (package)
  assert(package:has_cincludes("foo.h"))
end)
</code></pre>
<h4 id="packagehas_cxxincludes">package:has_cxxincludes</h4>
<ul>
<li>Wether the package has the given C++ header files</li>
</ul>
<p>This should be used in <code>on_test</code> like so:</p>
<pre><code class="lang-lua">on_test(function (package)
  assert(package:has_cxxincludes("foo.hpp"))
end)
</code></pre>
<h4 id="packagecheck_csnippets">package:check_csnippets</h4>
<ul>
<li>Wether the given C snippet can be compiled and linked</li>
</ul>
<p>This should be used in <code>on_test</code> like so:</p>
<pre><code class="lang-lua">on_test(function (package)
  assert(package:check_csnippets({test = [[
    #define USE_BLOB
    #include <blob.h>
    void test(int argc, char** argv) {
      foo bar;
      printf("%s", bar.blob);
    }
  ]]}, {configs = {languages = "c99"}, includes = "foo.h"}))
end)
</code></pre>
<h4 id="packagecheck_cxxsnippets">package:check_cxxsnippets</h4>
<ul>
<li>Wether the given C++ snippet can be compiled and linked</li>
</ul>
<p>This should be used in <code>on_test</code> like so:</p>
<pre><code class="lang-lua">on_test(function (package)
  assert(package:check_cxxsnippets({test = [[
    #define USE_BLOB
    #include <blob.hpp>
    void test(int argc, char** argv) {
      foo bar();
      std::cout << bar.blob;
    }
  ]]}, {configs = {languages = "cxx11"}, includes = "foo.hpp"}))
end)
</code></pre>
<h4 id="packagecheck_fcsnippets">package:check_fcsnippets</h4>
<ul>
<li>Wether the given Fortran snippet can be compiled and linked</li>
</ul>
<p>see above</p>
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