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Simon Marchi 437277d47a Fix in-tree, parallel running of Ada tests
While testing the following patch,

  [PATCH] Always organize test artifacts in a directory hierarchy
  https://sourceware.org/ml/gdb-patches/2016-01/msg00133.html

I noticed that it broke Ada testing.  This lead me to think that
parallel testing when building in-tree didn't work previously in Ada.
It is confirmed by this test:

$ make check TESTS="gdb.ada/fun_addr.exp" -j 2
...
Running ./gdb.ada/fun_addr.exp ...
FAIL: gdb.ada/fun_addr.exp: compilation foo.adb
...

This patch fixes in-tree parallel testing for Ada, and consequently
serial and parallel testing when the aforementioned patch is applied.

The problem originates from the fact that Ada support code cd's to the
builddir before compiling.  In itself it's not a problem, it allows to
place intermediate auto-generated files in that directory.  The Ada
compilation refers to the source file, which is in another directory,
only by its base name (e.g. foo.adb).  In serial mode, that worked
because builddir was the same as the source directory (e.g.
gdb.ada/fun_addr/).  In an out-of-tree build, it works because the
source directory is added as an include directory (note: this is not the
same $srcdir as autoconf's):

  set srcdir [file dirname $source]
  additional_flags=-I$srcdir

which becomes:

  additional_flags=-I/home/emaisin/build/binutils-gdb/gdb/testsuite/gdb.ada/fun_addr

However, when building in-tree, srcdir is relative: ./gdb.ada/fun_addr.
When using parallel or always-in-outputs-directory mode, we are cd'ed in
the outputs directory.  So -I$srcdir is relative to the current
directory, which is wrong.

To fix it, I made the TCL variable srcdir (set in site.exp, from which
everything else is derived) always absolute.  It is done by assigning
autoconf's abs_srcdir instead of autoconf's srcdir.  This way -I$srcdir
will always be good, regardless of where we cd'ed to.  A small apparent
change is that when running tests, DejaGnu will say:

  Running /tmp/binutils-gdb/gdb/testsuite/gdb.ada/fun_addr.exp ...

instead of

  Running ./gdb.ada/fun_addr.exp ...

I hope it's not too much of an annoyance.  I think that it should make
the testsuite a tiny bit more robust against other bugs of the same
class.

Regtested in & out of tree, only with native target.

gdb/testsuite/ChangeLog:

	* Makefile.in (abs_srcdir): Assign @abs_srcdir@.
	(site.exp): Assign abs_srcdir to tcl's srcdir.
2016-02-08 14:00:49 -05:00
bfd Automatic date update in version.in 2016-02-08 00:00:07 +00:00
binutils Change the default architecture value for ARC bfds so that they have the lowest possible value, and hence can be merged with other ARC binaries wihtout changing their architecture value. 2016-02-05 09:58:01 +00:00
config Provide AC_PROG_LEX that copes with LEX=missing from top-level 2016-01-18 22:17:57 +10:30
cpu epiphany/disassembler: Improve alignment of output. 2016-02-02 11:09:17 +00:00
elfcpp Remove typename from Mips64_rela_data 2016-01-12 12:08:06 -08:00
etc
gas FIx formatting that triggers a new compile time warning message. 2016-02-08 14:51:10 +00:00
gdb Fix in-tree, parallel running of Ada tests 2016-02-08 14:00:49 -05:00
gold Add additional information to relocation overflow errors. 2016-02-07 10:17:01 -08:00
gprof Regen configure 2016-01-17 12:28:14 +10:30
include Fix the encoding of the MSP430's RRUX instruction. 2016-02-04 09:55:10 +00:00
intl Regen intl/configure 2015-08-31 12:53:36 +09:30
ld Remove support for creating ARM NOREAD sections. 2016-02-04 11:57:57 +00:00
libdecnumber Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
libiberty Sync libiberty with GCC. 2016-01-28 21:44:42 +01:00
opcodes Fix the encoding of the MSP430's RRUX instruction. 2016-02-04 09:55:10 +00:00
readline Revert "Sync readline/ to version 7.0 alpha" 2015-07-25 15:57:00 -04:00
sim sim: mips: fix prog_bfd usage 2016-02-05 20:27:25 -05:00
texinfo
zlib Import zlib 1.2.8 with local change merged in. 2015-11-25 15:14:47 -08:00
.cvsignore
.gitattributes
.gitignore Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
ChangeLog Sync top-level btool.m4 with GCC 2016-01-12 08:44:52 -08:00
compile Update from upstream Automake 2014-11-16 13:43:48 +01:00
config-ml.in Sync toplevel files with GCC 2015-07-27 07:49:05 -07:00
config.guess Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
config.rpath
config.sub Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
configure Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
configure.ac Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
COPYING
COPYING.LIB
COPYING.LIBGLOSS
COPYING.NEWLIB
COPYING3
COPYING3.LIB
depcomp Update from upstream Automake 2014-11-16 13:43:48 +01:00
djunpack.bat
install-sh Update from upstream Automake 2014-11-16 13:43:48 +01:00
libtool.m4 Sync top-level btool.m4 with GCC 2016-01-12 08:44:52 -08:00
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
MAINTAINERS
Makefile.def Sync top-level Makefile.def with GCC 2016-01-12 08:34:40 -08:00
Makefile.in Sync top-level Makefile.def with GCC 2016-01-12 08:34:40 -08:00
Makefile.tpl Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
makefile.vms
missing Update from upstream Automake 2014-11-16 13:43:48 +01:00
mkdep
mkinstalldirs Update from upstream Automake 2014-11-16 13:43:48 +01:00
move-if-change Update `move-if-change' from gnulib 2014-11-16 17:04:02 +01:00
README
README-maintainer-mode
setup.com
src-release.sh fix gdb version parsing in src-release.sh 2016-01-17 10:01:55 +04:00
symlink-tree
ylwrap Update from upstream Automake 2014-11-16 13:43:48 +01:00

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