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A makefile can define and use macros. Macros are usually referred to as variables when they hold simple string definitions, like CC = clang. Macros in makefiles may be overridden in the command-line arguments passed to the Make utility. Environment variables are also available as macros.
The generated "Makefile.in"s are portable and compliant with the Makefile conventions in the GNU Coding Standards, and may be used by configure scripts to generate a working Makefile. [2] The Free Software Foundation maintains automake as one of the GNU programs, and as part of the GNU build system.
Apache Ant – Java build tool; uses XML format for configuration files; Apache Maven – Software tool for managing build dependencies; ASDF – de facto standard build facility for Common Lisp; Bazel – Software tool that automates software builds and tests
The data type used for communication, YYSTYPE, is set using Bison %union declaration. Since in this sample we use the reentrant version of both flex and yacc we are forced to provide parameters for the yylex function, when called from yyparse. [23] This is done through Bison %lex-param and %parse-param declarations. [24]
The other tools are responsible for more directly building; using the generated files. A single set of CMake-specific configuration files can be used to build a codebase using the native build tools of multiple platforms. [4] Notable native build tools supported by CMake include: Make, Qt Creator, Ninja, Android Studio, Xcode, and Visual Studio ...
It is similar to Make, but is implemented using the Java language and requires the Java platform. Unlike Make, which uses the Makefile format, Ant uses XML to describe the code build process and its dependencies. [4] Released under an Apache License by the Apache Software Foundation, Ant is an open-source project.
Makefiles, for example, specify dependencies in a declarative fashion, [7] but include an imperative list of actions to take as well. Similarly, yacc specifies a context free grammar declaratively, but includes code snippets from a host language, which is usually imperative (such as C ).
Ninja is a build system developed by Evan Martin, [4] a Google employee. Ninja has a focus on speed and it differs from other build systems in two major respects: it is designed to have its input files generated by a higher-level build system, and it is designed to run builds as fast as possible.