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Diffstat (limited to 'doc/started/require.t')
| -rw-r--r-- | doc/started/require.t | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/doc/started/require.t b/doc/started/require.t index 0bbcb94184..6284bfa694 100644 --- a/doc/started/require.t +++ b/doc/started/require.t @@ -16,18 +16,38 @@ assessing the amount of disk space required for your installation: +------------------------------------+--------------------------+ | Component | Disk Space Required | +------------------------------------+--------------------------+ -| archive directory | 30 Mbytes | -| tools src unzipped | 100 Mbytes | -| each individual build directory | 300 Mbytes worst case | -| each installation directory | 20-400 Mbytes | +| archive directory | 35 Mbytes | +| tools src unarchived | 150 Mbytes | +| each individual build directory | 300 Mbytes | +| each installation directory | 20-200 Mbytes | +------------------------------------+--------------------------+ @end example -The disk space required for each installation directory depends -primarily on the number of RTEMS BSPs which are to be installed. -If a single BSP is installed, then the size of each install directory +It is important to understand that the above requirements only address +the GNU C/C++ Cross Compiler Tools themselves. Adding additional +languages such as Fortran or Objective-C can increase the size +of the build and installation directories. Also, the unarchived +source and build directories can be removed after the tools are +installed. + +After the tools themselves are installed, RTEMS must be built +and installed for each Board Support Package that you wish +to use. Thus the precise amount of disk space required +for each installation directory depends highly on the number +of RTEMS BSPs which are to be installed. If a single BSP is +installed, then the additional size of each install directory will tend to be in the 40-60 Mbyte range. +There are a number of factors which must be taken into +account in oreder to estimate the amount of disk space required +to build RTEMS itself. Attempting to build multiple BSPs in +a single step increases the disk space requirements. Similarly +enabling optional features increases the build and install +space requirements. In particular, enabling and building +the RTEMS tests results in a significant increase in build +space requirements but since the test are not installed has +no impact on installation requirements. + The instructions in this manual should work on any computer running a UNIX variant. Some native GNU tools are used by this procedure including: |