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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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This is the result of a sed script which converts all uses
of @{ into a consistent form.
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The output of the modules.html is much improved. Most
filesystem and POSIX API related groups are properly nested.
Some formatting issues were addressed as were multiple
inconsistencies.
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http://www.google-melange.com/gci/task/view/google/gci2012/7988213
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http://www.google-melange.com/gci/task/view/google/gci2012/7987220
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http://www.google-melange.com/gci/task/view/google/gci2012/7955219
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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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* include/rtems/bspIo.h, include/rtems/concat.h,
include/rtems/endian.h, include/rtems/fs.h, include/rtems/irq.h,
include/rtems/pci.h, include/rtems/userenv.h,
libblock/include/rtems/flashdisk.h,
libblock/include/rtems/nvdisk-sram.h,
libblock/include/rtems/nvdisk.h, libcsupport/include/clockdrv.h,
libcsupport/include/console.h, libcsupport/include/iosupp.h,
libcsupport/include/spurious.h,
libcsupport/include/motorola/mc68230.h,
libcsupport/include/rtems/assoc.h, libcsupport/include/rtems/error.h,
libcsupport/include/rtems/framebuffer.h,
libcsupport/include/rtems/gxx_wrappers.h,
libcsupport/include/rtems/libcsupport.h,
libcsupport/include/rtems/libio_.h,
libcsupport/include/rtems/malloc.h,
libcsupport/include/rtems/termiostypes.h,
libcsupport/include/sys/statvfs.h, libcsupport/include/sys/termios.h,
libcsupport/include/sys/utsname.h, libcsupport/include/zilog/z8036.h,
libcsupport/include/zilog/z8530.h, libcsupport/include/zilog/z8536.h,
libfs/src/imfs/imfs.h, libfs/src/pipe/pipe.h,
libmisc/capture/capture-cli.h, libmisc/capture/capture.h,
libmisc/cpuuse/cpuuse.h, libmisc/devnull/devnull.h,
libmisc/devnull/devzero.h, libmisc/dumpbuf/dumpbuf.h,
libmisc/fb/fb.h, libmisc/fb/mw_uid.h, libmisc/mouse/mouse_parser.h,
libmisc/shell/shellconfig.h, libmisc/stringto/stringto.h,
libmisc/untar/untar.h, libnetworking/memory.h, posix/include/aio.h,
posix/include/mqueue.h, posix/include/semaphore.h,
posix/include/rtems/posix/aio_misc.h,
posix/include/rtems/posix/barrier.h,
posix/include/rtems/posix/cond.h, posix/include/rtems/posix/config.h,
posix/include/rtems/posix/key.h, posix/include/rtems/posix/mqueue.h,
posix/include/rtems/posix/mutex.h,
posix/include/rtems/posix/posixapi.h,
posix/include/rtems/posix/priority.h,
posix/include/rtems/posix/psignal.h,
posix/include/rtems/posix/pthread.h,
posix/include/rtems/posix/ptimer.h,
posix/include/rtems/posix/rwlock.h,
posix/include/rtems/posix/semaphore.h,
posix/include/rtems/posix/sigset.h,
posix/include/rtems/posix/spinlock.h,
posix/include/rtems/posix/threadsup.h,
posix/include/rtems/posix/time.h, posix/include/rtems/posix/timer.h,
posix/inline/rtems/posix/barrier.inl,
posix/inline/rtems/posix/cond.inl,
posix/inline/rtems/posix/mqueue.inl,
posix/inline/rtems/posix/mutex.inl,
posix/inline/rtems/posix/priority.inl,
posix/inline/rtems/posix/pthread.inl,
posix/inline/rtems/posix/rwlock.inl,
posix/inline/rtems/posix/semaphore.inl,
posix/inline/rtems/posix/spinlock.inl,
posix/inline/rtems/posix/timer.inl, rtems/mainpage.h,
rtems/include/rtems/rtems/barrier.h,
rtems/include/rtems/rtems/object.h,
rtems/include/rtems/rtems/timer.h,
rtems/inline/rtems/rtems/barrier.inl,
rtems/inline/rtems/rtems/timer.inl,
rtems/src/semtranslatereturncode.c, sapi/include/rtems/config.h,
sapi/include/rtems/fatal.h, sapi/include/rtems/mptables.h,
score/include/rtems/score/object.h,
score/include/rtems/score/priority.h,
score/inline/rtems/score/object.inl,
score/inline/rtems/score/priority.inl: Add @file Doxygen directives
and descriptions to files which originated with RTEMS. This improves
the file list page generated by Doxygen.
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* posix/include/mqueue.h: Relocate "extern C++" guards.
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* libcsupport/src/gxx_wrappers.c, posix/include/mqueue.h,
posix/include/rtems/posix/semaphore.h,
posix/inline/rtems/posix/barrier.inl,
posix/inline/rtems/posix/key.inl,
posix/inline/rtems/posix/mqueue.inl,
posix/inline/rtems/posix/rwlock.inl,
posix/inline/rtems/posix/semaphore.inl,
posix/inline/rtems/posix/spinlock.inl,
posix/inline/rtems/posix/timer.inl, posix/src/condget.c,
posix/src/mqueuenametoid.c, posix/src/mutexget.c,
posix/src/semaphorenametoid.c, posix/src/semopen.c,
sapi/src/itronapi.c, sapi/src/posixapi.c: Make changes necessary for
all tests to run on SPARC with 16-bit Ids. This required ensuring
that all POSIX and compilering binding code makes a distinction
between the public Id type (e.g. pthread_t, etc.) and the RTEMS
Object_Id type. All POSIX Object Get routines should not take the
POSIX Id type as the argument. Sixteen bit RTEMS Ids should be placed
into the 32-bits reserved by the POSIX API type in a uniform manner
now. This removed all assumptions that the external Id types in POSIX
and ITRON are the same as the internal Object Id type.
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PR 1291/cpukit
* itron/inline/rtems/itron/semaphore.inl, itron/src/twai_sem.c,
posix/include/mqueue.h, posix/include/rtems/posix/mqueue.h,
posix/include/rtems/posix/semaphore.h,
posix/include/rtems/posix/time.h, posix/src/condtimedwait.c,
posix/src/mqueuereceive.c, posix/src/mqueuerecvsupp.c,
posix/src/mqueuesend.c, posix/src/mqueuesendsupp.c,
posix/src/mqueuetimedreceive.c, posix/src/mqueuetimedsend.c,
posix/src/mutextimedlock.c, posix/src/mutextranslatereturncode.c,
posix/src/posixtimespecabsolutetimeout.c,
posix/src/prwlocktimedrdlock.c, posix/src/prwlocktimedwrlock.c,
posix/src/semaphoretranslatereturncode.c,
posix/src/semaphorewaitsupp.c, posix/src/semtimedwait.c,
posix/src/semtrywait.c, posix/src/semwait.c,
posix/src/sigtimedwait.c, posix/src/timersettime.c,
posix/src/ualarm.c, rtems/src/semobtain.c,
rtems/src/semtranslatereturncode.c,
score/include/rtems/score/coremutex.h,
score/include/rtems/score/coresem.h, score/src/coresemseize.c: This
patch addresses issues on implementation of the timeout on the
following POSIX services. Some of these services incorrectly took a
timeout as a relative time. Others would compute a 0 delta to timeout
if the absolute time and the current time were equal and thus
incorrectly block the caller forever. The root of the confusion is
that POSIX specifies that if the timeout is incorrect (e.g. in the
past, is now, or is numerically invalid), that it does not matter if
the call would succeed without blocking. This is in contrast to RTEMS
programming style where all errors are checked before any critical
sections are entered. This fix implemented a more uniform way of
handling POSIX absolute time timeouts.
+ pthread_cond_timedwait - could block forever
+ mq_timedreceive - used relative not absolute time
+ mq_timedsend - used relative not absolute time
+ pthread_mutex_timedlock - used relative not absolute time
+ pthread_rwlock_timedrdlock- used relative not absolute time
+ pthread_rwlock_timedwrlock- used relative not absolute time
+ sem_timedwait - could block forever
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* posix/preinstall.am, posix/include/aio.h, posix/include/devctl.h,
posix/include/mqueue.h, posix/include/sched.h,
posix/include/semaphore.h, posix/include/rtems/posix/cancel.h,
posix/include/rtems/posix/priority.h,
posix/include/rtems/posix/psignal.h,
posix/include/rtems/posix/threadsup.h,
posix/include/rtems/posix/timer.h,
posix/inline/rtems/posix/priority.inl,
posix/src/barrierattrdestroy.c, posix/src/barrierattrgetpshared.c,
posix/src/barrierattrinit.c, posix/src/barrierattrsetpshared.c,
posix/src/cancel.c, posix/src/cancelrun.c, posix/src/cleanuppop.c,
posix/src/cleanuppush.c, posix/src/cond.c,
posix/src/condattrdestroy.c, posix/src/condattrgetpshared.c,
posix/src/condattrinit.c, posix/src/condattrsetpshared.c,
posix/src/condbroadcast.c, posix/src/conddefaultattributes.c,
posix/src/conddestroy.c, posix/src/condinit.c,
posix/src/condsignal.c, posix/src/condsignalsupp.c,
posix/src/condwait.c, posix/src/condwaitsupp.c, posix/src/key.c,
posix/src/keycreate.c, posix/src/keydelete.c,
posix/src/keygetspecific.c, posix/src/keyrundestructors.c,
posix/src/keysetspecific.c, posix/src/mqueue.c,
posix/src/mqueueclose.c, posix/src/mqueuecreatesupp.c,
posix/src/mqueuedeletesupp.c, posix/src/mqueuegetattr.c,
posix/src/mqueuenametoid.c, posix/src/mqueuenotify.c,
posix/src/mqueueopen.c, posix/src/mqueuereceive.c,
posix/src/mqueuerecvsupp.c, posix/src/mqueuesend.c,
posix/src/mqueuesendsupp.c, posix/src/mqueuesetattr.c,
posix/src/mqueueunlink.c, posix/src/mutex.c,
posix/src/mutexattrdestroy.c, posix/src/mutexattrgetprioceiling.c,
posix/src/mutexattrgetprotocol.c, posix/src/mutexattrgetpshared.c,
posix/src/mutexattrinit.c, posix/src/mutexattrsetprioceiling.c,
posix/src/mutexattrsetprotocol.c, posix/src/mutexattrsetpshared.c,
posix/src/mutexdefaultattributes.c, posix/src/mutexdestroy.c,
posix/src/mutexgetprioceiling.c, posix/src/mutexlock.c,
posix/src/mutexlocksupp.c, posix/src/mutexsetprioceiling.c,
posix/src/mutextrylock.c, posix/src/mutexunlock.c,
posix/src/psignal.c, posix/src/psignalchecksignal.c,
posix/src/psignalclearprocesssignals.c,
posix/src/psignalclearsignals.c,
posix/src/psignalsetprocesssignals.c,
posix/src/psignalunblockthread.c, posix/src/ptimer.c,
posix/src/rwlockattrdestroy.c, posix/src/rwlockattrgetpshared.c,
posix/src/rwlockattrinit.c, posix/src/rwlockattrsetpshared.c,
posix/src/semaphore.c, posix/src/semaphoredeletesupp.c,
posix/src/semaphorenametoid.c, posix/src/semaphorewaitsupp.c,
posix/src/semclose.c, posix/src/semdestroy.c,
posix/src/semgetvalue.c, posix/src/seminit.c, posix/src/semopen.c,
posix/src/sempost.c, posix/src/semtrywait.c, posix/src/semunlink.c,
posix/src/semwait.c, posix/src/setcancelstate.c,
posix/src/setcanceltype.c, posix/src/sysconf.c,
posix/src/testcancel.c: Add missing copyright statements.
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* posix/include/aio.h, posix/include/devctl.h,
posix/include/intr.h, posix/include/mqueue.h,
posix/include/sched.h, posix/include/semaphore.h,
posix/src/ptimer.c, posix/src/ptimer1.c:
Include <unistd.h> instead of <sys/features.h> to pick up
_POSIX_* defines (Mandated by POSIX).
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