WebJan 22, 2024 · Представьте себе, что есть некая очень полезная программа, но она, например, существует только в версии Windows и только 64 бита. А вам нужно, например, под ARM64 и под другую ОС, соответственно.... Web4.2.1 Ifdef The simplest sort of conditional is #ifdef MACROcontrolled text#endif /* MACRO*/ This block is called a conditional group. MACROis defined. We say that the …
Conditional inclusion - cppreference.com
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. WebJul 31, 2024 · One can use `ifdef... `endif to check whether the macro is defined or not. Moreover, one can use an optional generate block to test the value of macro/parameters. ... You can remove the `else/else conditions as per your requirement. As a side note, `else is a compiler directive so it will not compile if MY_MACRO is defined. kpkrishna. Full ... hildens drive post office opening hours
If Definition & Meaning Dictionary.com
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` WebJul 28, 2011 · При этом стоит учитывать, что проверено далеко не 74000 строк кода. Около трети кода предназначено для LINUX/SOLARIS/MACOSX и находится в #ifdef/#endif ветках кода, которые не проверялись. Webif ( (condition) AND (condition OR (condition))) The conditions inside the parenthesis are evaluated first and then the remaining condition is evaluated as in the other examples. Where there are nested parenthesis the innermost are evaluated as part of evaluating the condition that contains them. Existence Checks ¶ if (COMMAND command-name) smally porsh navy slang