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Compiler User Guide

Preface Overview of the Compiler Getting Started with the Compiler Compiler command-line syntax Compiler command-line options listed by group Default compiler behavior Order of compiler command-line options Using stdin to input source code to the compiler Directing output to stdout Filename suffixes recognized by the compiler Compiler output files Factors influencing how the compiler searches for Compiler command-line options and search paths Compiler search rules and the current place The ARMCC5INC environment variable Code compatibility between separately compiled and Linker feedback during compilation Unused function code Minimizing code size by eliminating unused functio Compilation build time Compilation build time Minimizing compilation build time Minimizing compilation build time with a single ar Effect of --multifile on compilation build time Minimizing compilation build time with parallel ma Compilation build time on Windows Compiler Features Compiler Coding Practices Compiler Diagnostic Messages Using the Inline and Embedded Assemblers of the AR Compiler Command-line Options Language Extensions Compiler-specific Features C and C++ Implementation Details What is Semihosting? Via File Syntax Summary Table of GNU Language Extensions Standard C Implementation Definition Standard C++ Implementation Definition C and C++ Compiler Implementation Limits

Factors influencing how the compiler searches for header files

2.9 Factors influencing how the compiler searches for header files

Several factors influence how the compiler searches for #include header files and source files.

  • The value of the environment variable ARMCC5INC.
  • The value of the environment variable ARMINC.
  • The -I and -J compiler options.
  • The --kandr_include and --sys_include compiler options.
  • Whether the filename is an absolute filename or a relative filename.
  • Whether the filename is between angle brackets or double quotes.
Related information
Non-ConfidentialPDF file icon PDF versionARM DUI0375H
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