RS41P-KT-30000 Datasheet RS410-KT-30000, RS41P-KT-30000, RS41P-KT-40000 | P19-P21

Overview of the ARM Compiler toolchain

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If you are upgrading to ARM Compiler v4.1 from a previous toolchain release, ensure that you

are using the most recent versions of the ARM specifications.

2.8.1 See also

Other information

• Application Binary Interface for the ARM Architecture Introduction and downloads,

http://infocenter.arm.com/help/topic/com.arm.doc.ihi0036-/index.html

• Addenda to, and Errata in, the ABI for the ARM Architecture,

http://infocenter.arm.com/help/topic/com.arm.doc.ihi0045-/index.html

• Differences between v1 and v2 of the ABI for the ARM Architecture,

http://infocenter.arm.com/help/topic/com.arm.doc.ihi0047-/index.html

• ABI for the ARM Architecture Advisory Note: SP must be 8-byte aligned on entry to

AAPCS-conforming functions,

http://infocenter.arm.com/help/topic/com.arm.doc.ihi0046-/index.html

Overview of the ARM Compiler toolchain

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2.9 Toolchain environment variables

The environment variables used by the toolchain are:

Table 2-1 Environment variables used by the toolchain

Environment variable Setting

ARMROOT

Your installation directory root (

install_directory

ARMLMD_LICENSE_FILE

The location of your ARM license file. See the FLEXnet for ARM

Tools Lice nse

Management Guide for information on this environment variable.

Note

On Windows, the length of

ARMLMD_LICENSE_FILE

must not be more than 260 characters.

ARMCC41_ASMOPT

An optional environment variable to define additional assembler options that are to be used

outside your regular makefile. For example:

--licretry

The options listed appear before any options specified for the

armasm

command in the

makefile. Therefore, any options specified in the makefile might override the options listed

in this environment variable.

ARMCC41_CCOPT

An optional environment variable to define additional compiler options that are to be used

outside your regular makefile. For example:

--licretry

The options listed appear before any options specified for the

armcc

command in the makefile.

Therefore, any options specified in the makefile might override the options listed in this

environment variable.

ARMCC41_FROMELFOPT

An optional environment variable to define additional

fromelf

image converter options that

are to be used outside your regular makefile. For example:

--licretry

The options listed appear before any options specified for the

fromelf

command in the

makefile. Therefore, any options specified in the makefile might override the options listed

in this environment variable.

ARMCC41_LINKOPT

An optional environment variable to define additional linker options that are to be used

outside your regular makefile. For example:

--licretry

The options listed appear before any options specified for the

armlink

command in the

makefile. Therefore, any options specified in the makefile might override the options listed

in this environment variable.

ARMCC41BIN

The location of the 32-bit toolchain executables. The path depends on your host platform and

the ARM product you are using:

install_directory\...\platform

where

platform

is one of:

•

win_32-pentium

for Windows

•

linux-pentium

for Linux.

To use the 64-bit version of

armlink

define this environment variable to point to the 64-bit

version of the directory, where

platform

is one of:

•

win_x86_64

for Windows

•

linux-x86_64

for Linux.

The 64-bit directory also contains the 32-bit executables for the other ARM tools.

ARMCC41INC

The location of the compiler include files:

install_directory\...\include

Overview of the ARM Compiler toolchain

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Note

If you obtained the toolchain as a component of another ARM product, setting of the

ARMCC41BIN

ARMCC41INC

, and

ARMCC41LIB

environment variables might be optional. See the Getting Started

document of your ARM product for details.

2.9.1 See also

Concepts

• TMP and TMPDIR environment variables for temporary file directories on page 2-27

• Specifying command-line options with an environment variable on page 2-28

• Specifying Cygwin paths in compilation tools on Windows on page 2-29

Using the Assembler:

• Chapter 2 Overview of the Assembler.

Using the Compiler:

• Chapter 2 Overview of the compiler.

Using the Linker:

• Chapter 2 Overview of the linker.

Using ARM

C and C++ Libraries and Floating Point Support:

• Chapter 2 The ARM C and C++ libraries.

ARMCC41LIB

The location of the ARM C and C++ library files:

install_directory\...\lib

Note

If you include a path separator at the end of the path, the linker searches that directory and

the subdirectories. So for

C:\...\lib\

the linker searches:

lib

lib\armlib

lib\cpplib

ARMINC

Used only if you do not specify the compiler option

-J

and

ARMCC41INC

is either not set or is

empty.

See the description of

ARMCCnnINC

for more information.

ARMLIB

Used only if you do not specify the compiler option

--libpath

and

ARMCC41LIB

is either not set

or is empty.

See the description of

ARMCC41LIB

for more information.

CYGPATH

The location of the

cygpath.exe

file on your system in Cygwin path format. For example:

C:/cygwin/bin/cygpath.exe

You must set this if you want to specify paths in Cygwin format for the compilation tools.

TMP

Used on Windows platforms to specify the directory to be used for temporary files. If

TMP

not defined, or if it is set to the name of a directory that does not exist, temporary files are

created in the current working directory.

TMPDIR

Used on Red Hat Linux platforms to specify the directory to be used for temporary files. If

TMPDIR

is not set, a default temporary directory, usually

/tmp

/var/tmp

, is used.

Table 2-1 Environment variables used by the toolchain (continued)

Environment variable Setting

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