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Evan Lloyd authored
To get round problems encountered when building in a DOS build environment the generation of the .o file containing build identifier strings is modified. The problems encounterred were: 1. DOS echo doesn't strip ' characters from the output text. 2. git is not available from CMD.EXE so the BUILD_STRING value needs some other origin. A BUILD_STRING value of "development build" is used for now. MAKE_BUILD_STRINGS is used to customise build string generation in a DOS environment. This variable is not defined in the UNIX build environment make file helper, and so the existing build string generation behaviour is retained in these build environments. NOTE: This commit completes a cumulative series aimed at improving build portability across development environments. This enables the build to run on several new build environments, if the relevant tools are available. At this point the build is tested on Windows 7 Enterprise SP1, using CMD.EXE, Cygwin and Msys (MinGW),as well as a native Linux envionment". The Windows platform builds used aarch64-none-elf-gcc.exe 4.9.1. CMD.EXE and Msys used Gnu Make 3.81, cygwin used Gnu Make 4.1. CAVEAT: The cert_create tool build is not tested on the Windows platforms (openssl-for-windows has a GPL license). Change-Id: Iaa4fc89dbe2a9ebae87e2600c9eef10a6af30251
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