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For example, the macro CC is frequently used in makefiles to refer to the location of a C compiler. If used consistently throughout the makefile, then the compiler used can be changed by changing the value of the macro rather than changing each rule command that invokes the compiler. Macros are commonly named in all-caps:
Support automatic dependency scanning of C/C++ header files; All features must work consistently and equally well on all supported platforms; For various reasons, CMake developers chose to develop a scripting language for CMake instead of using Tcl – a popular language for building at the time. Use of Tcl would have then added a dependency to ...
cpplint or cpplint.py is an open source lint-like tool developed by Google, designed to ensure that C++ code conforms to Google's coding style guides. Therefore cpplint implements what Google considers best practices in C++ coding. The script cpplint.py reads source code files and flags deviations from the style guide. It also identifies syntax ...
OpenPorts.se, originally announced as ports.openbsd.nu in 2006, [9] was a custom-written web-site that does its own parsing of the ports tree structure and the updates, and has the functionality of tracking changes of a given port, having a shortcoming of not supporting some of the more complicated Makefile logic, and thus missing some 15% of ...
The first C Standard specified that __STDC__ expand to "1" if the implementation conforms to the ISO standard and "0" otherwise and that __STDC_VERSION__ expand to a numeric literal specifying the version of the standard supported by the implementation. Standard C++ compilers support the __cplusplus macro. Compilers running in non-standard mode ...
The C++ Standard Library provides several generic containers, functions to use and manipulate these containers, function objects, generic strings and streams (including interactive and file I/O), support for some language features, and functions for common tasks such as finding the square root of a number.
Similarly, a variable CPPFLAGS exists with switches to be passed to the C or C++ preprocessor. Similarly, FFLAGS enables the addition of switches for a Fortran compiler. These variables are most commonly used to specify optimization or debugging switches to a compiler, as for example -g, -O2 or (GCC-specific) -march=athlon.
Buildroot is a set of Makefiles and patches that simplifies and automates the process of building a complete and bootable Linux environment for an embedded system, while using cross-compilation to allow building for multiple target platforms on a single Linux-based development system.