source: rtems/c/src/librdbg/src/Makefile.in @ 9572c41

4.104.114.84.95
Last change on this file since 9572c41 was 9572c41, checked in by Joel Sherrill <joel.sherrill@…>, on 04/19/99 at 13:11:13

Patch from Ralf Corsepius <corsepiu@…>:

This is an attempt to work-around a couple of nasty bugs in librdbg's
Makefiles and configuration:

Configure and build RTEMS as below:

configure --enable-networking --enable-rdbg --target=i386-rtems
make RTEMS_BSP=i386ex

After a few minutes you will notice that building aborts in librdbg ....

Analysis:

1) librdbg is tried to be built, though librdbg is not supported and the

required directory hierarchy librdbg/i386/i386ex/ is not existant.

The cause for this is incorrect setting of HAS_RDBG in most
make/custom/*.cfg files (except pc386.cfg). At the moment all
custom/*.cfg files (except pc386.cfg) in general are required to contain
HAS_RDBG=no. However, having HAS_NETWORKING=no in most custom/*.cfg
files and the toplevel configure script suppress building librdbg for
all CPUs except of i386.

=> The i386ex BSP falls though this scheme and librdbg is tried to be

build (CPU=i386 and HAS_NETWORKING=yes).

2) The Makefile.ins below lib/librdbg in general support i386/pc386 only

and are not capable to be used for multiple CPUs or BSPs (RPCGEN
generates it's target and bsp-specific files into librdbg/, therefore no
other CPU or BSP can ever be built afterwards). This problem is hidden
until now, because only a single CPU/BSP pair (i386/pc386) is really
supported.

3) The Makefile.ins below lib/librdbg can delete source files due to

improper handling of source files (make clean removes the *.x files in
the source-tree when configuring inside of the source-tree).

The patch below tries to work-around these problems for the i386ex and
the pc386 BSPs. This work-around is rather fragile (it applies rpcgen
-D, I don't know how portable this is) and incomplete (all custom/*.cfg
except of pc386.cfg should contain HAS_RDBG=no), nevertheless it should
work.
  • Property mode set to 100644
File size: 507 bytes
Line 
1#
2#  $Id$
3#
4
5@SET_MAKE@
6srcdir = @srcdir@
7top_srcdir = @top_srcdir@
8top_builddir = ../../../..
9subdir = c/src/lib/librdbg
10
11INSTALL = @INSTALL@
12
13RTEMS_ROOT = $(top_srcdir)/@RTEMS_TOPdir@
14PROJECT_ROOT = @PROJECT_ROOT@
15
16VPATH = @srcdir@
17
18include $(RTEMS_ROOT)/make/custom/${RTEMS_BSP}.cfg
19include $(RTEMS_ROOT)/make/directory.cfg
20
21SUB_DIRS=$(RTEMS_CPU)
22
23Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
24        cd $(top_builddir) \
25         && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
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