Or condition in ifdef
WebIf the condition checked by #if, #ifdef, or #ifndefis true (nonzero), then all lines between the matching #else(or #elif) and an #endifdirective, if present, are ignored. If the condition is … WebThe #ifdef is one of the widely used directives in C. It allows conditional compilations. During the compilation process, the preprocessor is supposed to determine if any provided macros exist before we include any subsequent code. Syntax #ifdef `macro_definition`
Or condition in ifdef
Did you know?
WebMar 2, 2024 · Explanation The conditional preprocessing block starts with #if, #ifdef or #ifndef directive, then optionally includes any number of #elif, #elifdef, or #elifndef (since … WebJan 3, 2024 · Basically, you can write almost anything within the #if and #endif and as long the condition is false. It will not throw any compilation errors (even if there are any). The second and most important difference is, how IL is emitted in both these scenarios.
WebMay 6, 2024 · The conditional preprocessing block starts with #if, #ifdef or #ifndef directive, then optionally includes any number of #elif, #elifdef, or #elifndef (since C23) directives, … WebJul 15, 2024 · $ifdef and $endif The simplest way to define a block of conditional code is like this: unit cross; {$IFDEF FPC} {$MODE DELPHI} {$ENDIF} The above example is quite common for source code that has to compile with both Delphi and FPC.
WebYou can include or exclude lines of text in your document using the following conditional preprocessor directives: ifdef ifndef ifeval When the processor encounters one of these conditionals, it evaluates the specified condition. The condition is based on the presence or value of one or more document attributes. Webifndef Tests a name and executes subsequent statements if define has not created the name. elif Begins an alternative section to an ifdefor ifndefcondition and checks for the presence of another define. It is shorthand for “else if define ”. else Begins an alternative section to an ifdefor ifndefcondition. endif Closes an ifdefor ifndefcondition.
WebJan 24, 2024 · The #if, #elif, #else, and #endif directives can nest in the text portions of other #if directives. Each nested #else, #elif, or #endif directive belongs to the closest …
WebOct 24, 2011 · GNU & BSD Makefile Directives & Conditions Compatibility. Firstly, I would like to apologize if this is not the appropriate sub-forum to post about GNU/BSD makefile scripting. Though my code is in C++, because I am focusing on the makefile I thought it would go better in shell scripting. Please correct me if I am wrong. list of every backrooms levelWebJul 27, 2008 · Your situation is slightly unclear, but it seems that you expect a pre-processor directive to be guarded by a conditional generate statement. Pre-processor directives are resolved during the parsing of the design file, whereas conditional generates are resolved during elaboration. list of every army jobWeb#IFDEF. Function. Indicates that the following commands are to be compiled when the substitution variable has been declared by an ASK or #DEFINE command, or by the … imagination shiloh 1 hourWebMay 9, 2024 · A function in Verilog can be called in the way you show on the commented out line in your code. In the case of the function you are inferring hardware that is always there and the output of the hardware is a wire (the return value of the function) which you can then use in an always block. list of every animalWebApr 12, 2024 · Date: Wed, 12 Apr 2024 01:03:04 +0200 From: valis To: [email protected] Subject: CVE-2024-1281, CVE-2024-1829: Linux kernel: … imagination sicherer ortWeb1 day ago · The OpenAI documentation and API reference cover the different API endpoints that are available. Popular endpoints include: Completions – given a prompt, returns one … imagination sheet musicWebOct 25, 2024 · 4 Answers Sorted by: 399 #if defined (CONDITION1) defined (CONDITION2) should work. :) #ifdef is a bit less typing, but doesn't work well with more complex … list of every band ever