addUndefines

Add undefine preprocessor directives to build information

Since R2024a

Syntax

addUndefines(buildinfo,undefs,groups)

Description

addUndefines(buildinfo,undefs,groups) adds undefine preprocessor directives to the build information.

Examples

Add undefine Preprocessor Directives to Build Information

This example shows how to add undefine preprocessor directives to a build information object.

Suppose you have two files, myFile.c and myInc.h, in your current working folder.

// myFile.c
#include <stdio.h>
int main(void) {
    #ifdef __STDC_VERSION__
    printf("__STDC_VERSION__ is defined\n");
    #else
    printf("__STDC_VERSION__ is not defined\n");
    #endif
 
    #ifdef MY_MACRO
    printf("MY_MACRO is defined\n");
    #else
    printf("MY_MACRO is not defined\n");
    #endif
}


// myInc.h
#ifndef MYINC_H
#define MYINC_H
 
#define MY_MACRO
 
#endif

Create an RTW.BuildInfo object and specify source files, undefine directives, and preinclude files.

buildInfo = RTW.BuildInfo;
buildInfo.ComponentName = 'MyComponent';
addSourceFiles(buildInfo, 'myfile.c');
addUndefines(buildInfo, '__STDC_VERSION__');
addPreincludeFiles(buildInfo, 'myinc.h', pwd);

Input Arguments

buildinfo — Build information object

object

Required. RTW.BuildInfo object that contains information for compiling and linking generated code.

undefs — undefine preprocessor directives

character vector | array of character vectors | string

Required. Append set of undefine preprocessor directives to the RTW.BuildInfo object.

groups — Compiler option groups

character vector | array of character vectors | string

Optional. Associate undefine preprocessor directives with groups.

Version History

Introduced in R2024a