xmake v2.1.5 released, lots of new feature updates

This release introduces a number of new feature updates, as detailed in Some new features of xmake v2.1.5.

If you want to known more usage, please see online documents。

Source code: Github, Gitee.

New features

• #83: Add add_csnippet and add_cxxsnippet into option for detecting some compiler features.
• #83: Add user extension modules to detect program, libraries and files.
• Add find_program, find_file, find_library, find_tool and find_package module interfaces.
• Add net.* and devel.* extension modules
• Add val() api to get the value of builtin-variable, .e.g val("host"), val("env PATH"), val("shell echo hello") and val("reg HKEY_LOCAL_MACHINE\\XX;Value")
• Support to compile the microsoft resource file (.rc)
• Add has_flags, features and has_features for detect module interfaces.
• Add option.on_check, option.after_check and option.before_check api
• Add target.on_load api
• #132: Add add_frameworkdirs api
• Add lib.detect.has_xxx and lib.detect.find_xxx apis.
• Add add_moduledirs api
• Add includes api instead of add_subdirs and add_subfiles
• #133: Improve the project plugin to generate compile_commands.json by run xmake project -k compile_commands
• Add set_pcheader and set_pcxxheader to support the precompiled header, support gcc, clang, msvc
• Add xmake f -p cross platform and support the custom platform

Changes

• #87: Add includes and links from target deps automatically
• Improve import to load user extension and global modules
• #93: Improve xmake lua to run a single line command
• Improve to print gcc error and warning info
• Improve print interface to dump table
• #111: Add --root common option to allow run xmake command as root
• #113: Privilege manage when running as root, store the root privilege and degrade.
• Improve xxx_script in xmake.lua to support pattern match, .e.g on_build("iphoneos|arm*", function (target) end)
• improve builtin-variables to support to get the value envirnoment and registry
• Improve to detect vstudio sdk and cross toolchains envirnoment
• #71: Improve to detect compiler and linker from env vars
• Improve the option detection (cache and multi-jobs) and increase 70% speed
• #129: Check link deps and cache the target file
• Support *.asm source files for vs201x project plugin
• Mark add_bindings and add_rbi€ndings as deprecated
• Optimize xmake rebuild speed on windows
• Move core.project.task to core.base.task
• Move echo and app2ipa plugins to xmake-plugins repo.
• Add new api set_config_header("config.h", {prefix = ""}) instead of set_config_h and set_config_h_prefix

Bugs fixed

• Fix try-catch-finally
• Fix interpreter bug when parsing multi-level subdirs
• #115: Fix the path problem of the install script get.sh
• Fix cache bug for import()