| Commit message (Collapse) | Author | Age | Files | Lines |
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A speciality of the RTEMS build system was the make preinstall step. It
copied header files from arbitrary locations into the build tree. The
header files were included via the -Bsome/build/tree/path GCC command
line option.
This has at least seven problems:
* The make preinstall step itself needs time and disk space.
* Errors in header files show up in the build tree copy. This makes it
hard for editors to open the right file to fix the error.
* There is no clear relationship between source and build tree header
files. This makes an audit of the build process difficult.
* The visibility of all header files in the build tree makes it
difficult to enforce API barriers. For example it is discouraged to
use BSP-specifics in the cpukit.
* An introduction of a new build system is difficult.
* Include paths specified by the -B option are system headers. This
may suppress warnings.
* The parallel build had sporadic failures on some hosts.
This patch removes the make preinstall step. All installed header
files are moved to dedicated include directories in the source tree.
Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc,
etc. Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g.
erc32, imx, qoriq, etc.
The new cpukit include directories are:
* cpukit/include
* cpukit/score/cpu/@RTEMS_CPU@/include
* cpukit/libnetworking
The new BSP include directories are:
* bsps/include
* bsps/@RTEMS_CPU@/include
* bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include
There are build tree include directories for generated files.
The include directory order favours the most general header file, e.g.
it is not possible to override general header files via the include path
order.
The "bootstrap -p" option was removed. The new "bootstrap -H" option
should be used to regenerate the "headers.am" files.
Update #3254.
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Updates #3250.
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Remove BSP-specific defaults for RTEMS_BSP_CLEANUP_OPTIONS to simplify
the BSP configuration and documentation. Change defaults to:
BSP_PRESS_KEY_FOR_RESET=0
BSP_RESET_BOARD_AT_EXIT=1
BSP_PRINT_EXCEPTION_CONTEXT=1
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Script does what is expected and tries to do it as
smartly as possible.
+ remove occurrences of two blank comment lines
next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
contain CVS Ids
+ If the processing left a blank line at the top of
a file, it was removed.
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See http://www.rtems.org/pipermail/rtems-devel/2012-May/001006.html
for details.
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* configure.ac: Require autoconf-2.68, automake-1.11.1.
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* configure.ac: Don't add -ansi -fasm to CFLAGS.
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* configure.ac: Remove RTEMS_BSP_BOOTCARD_OPTIONS.
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* configure.ac: Rename BSP_BOOTCARD_OPTIONS to
RTEMS_BSP_BOOTCARD_OPTIONS. Add RTEMS_BSP_CLEANUP_OPTIONS so all BSPs
have the same options.
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* configure.ac: Make letting boot_card() handle work area allocation
mandatory. Rename RTEMS_BSP_BOOTCARD_HANDLES_RAM_ALLOCATION to
BSP_BOOTCARD_OPTIONS.
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* Makefile.am, configure.ac: Use standardized bsp_cleanup() which can
optionally print a message, poll for user to press key, and call
bsp_reset(). Using this eliminates the various bsp_cleanup()
implementations which had their own implementation and variety of
string constants.
* startup/bspclean.c: Removed.
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* Makefile.am, configure.ac, include/bsp.h, startup/linkcmds: Use
shared bsp_get_work_area() in its own file and rely on BSP Framework
to perform more initialization. After factoring this out, it turned
out that all SuperH BSPs has the same bsp_start() implementation so
this was made shared.
* startup/bspstart.c: Removed.
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* configure.ac: New BUG-REPORT address.
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* configure.ac: Require autoconf-2.60. Require automake-1.10.
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* configure.ac: Require automake > 1.9.
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* configure.ac: Add nostdinc to AUTOMAKE_OPTIONS.
Add RTEMS_PROG_CCAS.
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* Makefile.am: Merge-in console/Makefile.am, scitab/Makefile.am,
startup/Makefile.am, wrapup/Makefile.am.
Use automake-compilation rules.
* console/Makefile.am, scitab/Makefile.am, startup/Makefile.am,
wrapup/Makefile.am: Remove.
* configure.ac: Reflect changes above.
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* start/Makefile.am: Remove.
* Makefile.am: Merge-in start/Makefile.am.
* configure.ac: Reflect changes above.
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* configure.ac: Require automake >= 1.8, autoconf >= 2.59.
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* Makefile.am: Merge-in include/Makefile.am.
Reflect changes to bsp.am.
* include/Makefile.am: Remove.
* configure.ac: Reflect changes above.
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* configure.ac: Use rtems-bugs@rtems.com as bug report email address.
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* configure.ac: AM_INIT_AUTOMAKE([1.7.2]).
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* configure.ac: AC_PREREQ(2.57).
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* configure.ac:
AC_INIT(package,_RTEMS_VERSION,_RTEMS_BUGS).
AM_INIT_AUTOMAKE([no-define foreign 1.6]).
* console/Makefile.am: Remove AUTOMAKE_OPTIONS.
* Makefile.am: Remove AUTOMAKE_OPTIONS.
* include/Makefile.am: Remove AUTOMAKE_OPTIONS.
* scitab/Makefile.am: Remove AUTOMAKE_OPTIONS.
* start/Makefile.am: Remove AUTOMAKE_OPTIONS.
* startup/Makefile.am: Remove AUTOMAKE_OPTIONS.
* wrapup/Makefile.am: Remove AUTOMAKE_OPTIONS.
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* configure.ac: Introduce RTEMS_BSP_CONFIGURE.
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* configure.ac: Replace RTEMS_BSPOPTS_BSP with RTEMS_BSPOPTS_SET (typo).
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* configure.ac: Apply RTEMS_BSPOPTS_*(CPU_CLOCK_RATE_HZ).
* wrapup/Makefile.am: Apply RTEMS_CPU_MODEL to pickup CPU_PIECES.
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* .cvsignore: Add autom4te.cache for autoconf > 2.52.
* configure.in: Remove.
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