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Updated Environment (markdown)

ksherlock 2013-08-03 12:28:41 -07:00
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Environment.md

@ -1,4 +1,4 @@
The `$MPW/Environment.text` file contains environment variables used by some MPW programs. Particularly, header file locations are defined here.
The `$MPW/Environment.text` file contains environment variables used by some MPW programs. Particularly, header file locations are defined here. Additionally, variable expansion occurs during pathname conversion, so `mpw Link ... {Libraries}ToolLibs.o` works as expected.
The file format is:
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* `${name}`
* `{name}`
## Example
MPWVersion ?= 3.2
ShellDirectory=$MPW
SysTempFolder=/tmp/
TempFolder=/tmp/
AIIGSIncludes={MPW}Interfaces:AIIGSIncludes:
RIIGSIncludes={MPW}Interfaces:RIIGSIncludes:
CIIGSIncludes={MPW}Interfaces:CIIGSIncludes:
CIIGSLibraries={MPW}Libraries:CIIGSLibraries:
PIIGSIncludes={MPW}Interfaces:PIIGSIncludes:
PIIGSLibraries={MPW}Libraries:PIIGSLibraries:
## Command line
Variables can also be defined as part of the mpw command. eg:
mpw -DMPWVersion=3.5 SC ...
These variables are processed after internal variables are set (`$Command`) but before the `Environment.text` file is loaded.
These variables are processed after internal variables are set (`$MPW` and `$Command`) but before the `Environment.text` file is loaded. This allows for fast switching between different versions of MPW headers and libraries:
Libraries={MPW}Libraries:Libraries-{MPWVersion}:
PLibraries={MPW}Libraries:PLibraries-{MPWVersion}:
CLibraries={MPW}Libraries:CLibraries-{MPWVersion}: