crosstool-ng: patches/binutils/2.21.1a/300-001_ld_makefile

scripts: fix dumping execution backtrace

Dumping the backtrace has been broken since changeset #652e56d6d35a:
scripts: execute each steps in a subshell

We can spawn sub-sub-shells in some cases.

The way the fault handler works is to dump the backtrace, but to avoid
printing it once for every sub-shell (which could get quite confusing),
it simply exits when it detects that it is being run in a sub-shell,
leaving to the top-level shell the work to dump the backtrace.

Because each step is executed in its own sub-shell, the variable arrays
that contain the step name, the source file and line number, are lost
when exiting the per-step sub-shell.

Hence, the backtrace is currently limited to printing only the top-level
main procedure of the shell.

Fix this thus:
- when dumping the bckatraces for the steps & the functions, remember
it was dumped, and only dump it if it was not already dumped
- at the top-level shell, print the hints

Also, rename the top-level step label.

Reported-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

     1 diff -durN binutils-2.21.1.orig/ld/Makefile.am binutils-2.21.1/ld/Makefile.am

     2 --- binutils-2.21.1.orig/ld/Makefile.am	2011-03-16 09:37:30.000000000 +0100

     3 +++ binutils-2.21.1/ld/Makefile.am	2011-09-12 13:39:07.962244866 +0200

     4 @@ -37,7 +37,7 @@

     5  # We put the scripts in the directory $(scriptdir)/ldscripts.

     6  # We can't put the scripts in $(datadir) because the SEARCH_DIR

     7  # directives need to be different for native and cross linkers.

     8 -scriptdir = $(tooldir)/lib

     9 +scriptdir = $(libdir)

    11  EMUL = @EMUL@

    12  EMULATION_OFILES = @EMULATION_OFILES@

    13 diff -durN binutils-2.21.1.orig/ld/Makefile.in binutils-2.21.1/ld/Makefile.in

    14 --- binutils-2.21.1.orig/ld/Makefile.in	2011-03-16 09:37:30.000000000 +0100

    15 +++ binutils-2.21.1/ld/Makefile.in	2011-09-12 13:39:07.962244866 +0200

    16 @@ -365,7 +365,7 @@

    17  # We put the scripts in the directory $(scriptdir)/ldscripts.

    18  # We can't put the scripts in $(datadir) because the SEARCH_DIR

    19  # directives need to be different for native and cross linkers.

    20 -scriptdir = $(tooldir)/lib

    21 +scriptdir = $(libdir)

    22  BASEDIR = $(srcdir)/..

    23  BFDDIR = $(BASEDIR)/bfd

    24  INCDIR = $(BASEDIR)/include

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Tue Dec 13 23:32:39 2011 +0100 (2011-12-13)
changeset 2807	4193d6e6a174
permissions	-rw-r--r--