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gdb/gdb-build-libgdb-2of3.patch

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http://sourceware.org/ml/gdb-patches/2012-01/msg00170.html
Subject: [patch 2/2] Fix linking on non-x86* after libgdb.a removal
Hi,
this is the second part for solving corelow after the s390x regression:
[patch 2/2] Do not build libgdb.a by default
http://sourceware.org/ml/gdb-patches/2011-12/msg00716.html
->
corelow.o:(.bss+0x0): multiple definition of `core_gdbarch'
corelow.o:(.bss+0x0): first defined here
corelow.o: In function `deprecated_add_core_fns':
corelow.c:(.text+0x0): multiple definition of `deprecated_add_core_fns'
corelow.o:corelow.c:(.text+0x0): first defined here
For targets using new set_gdbarch_regset_from_core_section it would not be
a problem, just put corelow.o into the right entry of gdb/configure.tgt.
But for legacy targets still using deprecated_add_core_fns (like
sparc-solaris2.6 etc.) the addition to gdb/configure.tgt would enable
corelow.o even for cross-targeted GDBs where there is unfortunately still no
core files support.
Created the original configuration, just avoiding a duplicate corelow.o entry.
A better idea is welcome.
(s390x not available now for a test but it should work I hope.)
Sorry,
Jan
2012-01-04 Jan Kratochvil <jan.kratochvil@redhat.com>
Fix duplicate .o files after omitting libbfd.a.
* Makefile.in (CORELOW_O): New definition.
(ALL_TARGET_OBS): Remove corelow.o.
(DEPFILES): Add $(CORELOW_O).
* config/alpha/alpha-linux.mh (NATDEPFILES): Remove corelow.o.
(CORELOW_O): New definition.
* config/alpha/alpha-osf3.mh: Likewise.
* config/alpha/fbsd.mh: Likewise.
* config/arm/nbsdaout.mh: Likewise.
* config/arm/nbsdelf.mh: Likewise.
* config/i386/i386gnu.mh: Likewise.
* config/ia64/hpux.mh: Likewise.
* config/ia64/linux.mh: Likewise.
* config/m32r/linux.mh: Likewise.
* config/m68k/linux.mh: Likewise.
* config/mips/irix5.mh: Likewise.
* config/mips/irix6.mh: Likewise.
* config/pa/hpux.mh: Likewise.
* config/pa/linux.mh: Likewise.
* config/powerpc/aix.mh: Likewise.
* config/s390/s390.mh: Likewise.
* config/sparc/linux.mh: Likewise.
* config/sparc/linux64.mh: Likewise.
* config/sparc/sol2.mh: Likewise.
* config/vax/vax.mh: Likewise.
* configure: Regenerate.
* configure.ac (CORELOW_O): New variable.
(gdb_target_obs): Exclude corelow.o and set CORELOW_O instead.
(all_targets): Set CORELOW_O.
(CORELOW_O): AC_SUBST it.
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -512,6 +512,12 @@ SIM_OBS = @SIM_OBS@
# Target-dependent object files.
TARGET_OBS = @TARGET_OBS@
+# corelow.o may be requested by either config/*/*.mh file or for ALL_TARGET_OBS
+# or for specific target(s) from configure.tgt. Avoid duplicating it.
+# CORELOW_O may get overriden (set to corelow.o) by 'host_makefile_frag' below.
+# CORELOW_O is assumed to be corelow.o for ALL_TARGET_OBS.
+CORELOW_O := @CORELOW_O@
+
# All target-dependent objects files that require 64-bit CORE_ADDR
# (used with --enable-targets=all --enable-64-bit-bfd).
ALL_64_TARGET_OBS = \
@@ -581,7 +587,6 @@ ALL_TARGET_OBS = \
remote-m32r-sdi.o remote-mips.o \
xcoffread.o \
symfile-mem.o \
- corelow.o \
windows-tdep.o \
linux-record.o
@@ -843,7 +848,7 @@ REMOTE_EXAMPLES = m68k-stub.c i386-stub.c sparc-stub.c rem-multi.shar
# variables analogous to SER_HARDWIRE which get defaulted in this
# Makefile.in
-DEPFILES = $(TARGET_OBS) $(SER_HARDWIRE) $(NATDEPFILES) \
+DEPFILES = $(TARGET_OBS) $(SER_HARDWIRE) $(NATDEPFILES) $(CORELOW_O) \
$(REMOTE_OBS) $(SIM_OBS)
SOURCES = $(SFILES) $(ALLDEPFILES) $(YYFILES) $(CONFIG_SRCS)
--- a/gdb/config/alpha/alpha-linux.mh
+++ b/gdb/config/alpha/alpha-linux.mh
@@ -1,8 +1,9 @@
# Host: Little-endian Alpha running Linux
NAT_FILE= config/nm-linux.h
-NATDEPFILES= inf-ptrace.o corelow.o alpha-linux-nat.o \
+NATDEPFILES= inf-ptrace.o alpha-linux-nat.o \
fork-child.o proc-service.o linux-thread-db.o \
linux-nat.o linux-osdata.o linux-fork.o linux-procfs.o
+CORELOW_O := corelow.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
--- a/gdb/config/alpha/alpha-osf3.mh
+++ b/gdb/config/alpha/alpha-osf3.mh
@@ -1,6 +1,7 @@
# Host: Little-endian Alpha running OSF/1-3.x and higher using procfs
NAT_FILE= nm-osf3.h
-NATDEPFILES= corelow.o alpha-nat.o fork-child.o \
+NATDEPFILES= alpha-nat.o fork-child.o \
solib-osf.o procfs.o proc-api.o proc-events.o proc-flags.o \
proc-why.o dec-thread.o
+CORELOW_O := corelow.o
NAT_CLIBS= -lpthreaddebug
--- a/gdb/config/alpha/fbsd.mh
+++ b/gdb/config/alpha/fbsd.mh
@@ -1,6 +1,7 @@
# Host: FreeBSD/alpha
NATDEPFILES= fork-child.o inf-ptrace.o \
fbsd-nat.o alphabsd-nat.o bsd-kvm.o \
- corelow.o core-regset.o
+ core-regset.o
+CORELOW_O := corelow.o
LOADLIBES= -lkvm
--- a/gdb/config/arm/nbsdaout.mh
+++ b/gdb/config/arm/nbsdaout.mh
@@ -1,3 +1,4 @@
# Host: NetBSD/arm
-NATDEPFILES= fork-child.o inf-ptrace.o corelow.o armnbsd-nat.o \
+NATDEPFILES= fork-child.o inf-ptrace.o armnbsd-nat.o \
solib-sunos.o
+CORELOW_O := corelow.o
--- a/gdb/config/arm/nbsdelf.mh
+++ b/gdb/config/arm/nbsdelf.mh
@@ -1,2 +1,3 @@
# Host: NetBSD/arm
-NATDEPFILES= fork-child.o inf-ptrace.o corelow.o armnbsd-nat.o
+NATDEPFILES= fork-child.o inf-ptrace.o armnbsd-nat.o
+CORELOW_O := corelow.o
--- a/gdb/config/i386/i386gnu.mh
+++ b/gdb/config/i386/i386gnu.mh
@@ -1,7 +1,8 @@
# Host: Intel 386 running the GNU Hurd
-NATDEPFILES= i386gnu-nat.o gnu-nat.o corelow.o core-regset.o fork-child.o \
+NATDEPFILES= i386gnu-nat.o gnu-nat.o core-regset.o fork-child.o \
notify_S.o process_reply_S.o msg_reply_S.o \
msg_U.o exc_request_U.o exc_request_S.o
+CORELOW_O := corelow.o
NAT_FILE= nm-i386gnu.h
MH_CFLAGS = -D_GNU_SOURCE
--- a/gdb/config/ia64/hpux.mh
+++ b/gdb/config/ia64/hpux.mh
@@ -1,3 +1,4 @@
# Host: ia64 running HP-UX
-NATDEPFILES= fork-child.o inf-ttrace.o corelow.o ia64-hpux-nat.o \
+NATDEPFILES= fork-child.o inf-ttrace.o ia64-hpux-nat.o \
solib-ia64-hpux.o
+CORELOW_O := corelow.o
--- a/gdb/config/ia64/linux.mh
+++ b/gdb/config/ia64/linux.mh
@@ -1,11 +1,12 @@
# Host: Intel IA-64 running GNU/Linux
NAT_FILE= config/nm-linux.h
-NATDEPFILES= inf-ptrace.o fork-child.o corelow.o \
+NATDEPFILES= inf-ptrace.o fork-child.o \
core-regset.o ia64-linux-nat.o \
proc-service.o linux-thread-db.o \
linux-nat.o linux-osdata.o linux-fork.o \
linux-procfs.o
+CORELOW_O := corelow.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl $(RDYNAMIC)
--- a/gdb/config/m32r/linux.mh
+++ b/gdb/config/m32r/linux.mh
@@ -1,9 +1,10 @@
# Host: M32R based machine running GNU/Linux
NAT_FILE= config/nm-linux.h
-NATDEPFILES= inf-ptrace.o fork-child.o corelow.o \
+NATDEPFILES= inf-ptrace.o fork-child.o \
m32r-linux-nat.o proc-service.o linux-thread-db.o \
linux-nat.o linux-osdata.o linux-fork.o linux-procfs.o
+CORELOW_O := corelow.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES= -ldl $(RDYNAMIC)
--- a/gdb/config/m68k/linux.mh
+++ b/gdb/config/m68k/linux.mh
@@ -2,9 +2,10 @@
NAT_FILE= config/nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o \
- corelow.o m68klinux-nat.o \
+ m68klinux-nat.o \
proc-service.o linux-thread-db.o \
linux-nat.o linux-osdata.o linux-fork.o linux-procfs.o
+CORELOW_O := corelow.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
--- a/gdb/config/mips/irix5.mh
+++ b/gdb/config/mips/irix5.mh
@@ -1,3 +1,4 @@
# Host: SGI Iris running irix 5.x
-NATDEPFILES= fork-child.o irix5-nat.o corelow.o procfs.o \
+NATDEPFILES= fork-child.o irix5-nat.o procfs.o \
proc-api.o proc-events.o proc-flags.o proc-why.o
+CORELOW_O := corelow.o
--- a/gdb/config/mips/irix6.mh
+++ b/gdb/config/mips/irix6.mh
@@ -1,3 +1,4 @@
# Host: SGI Iris running irix 6.x
-NATDEPFILES= fork-child.o irix5-nat.o corelow.o procfs.o \
+NATDEPFILES= fork-child.o irix5-nat.o procfs.o \
proc-api.o proc-events.o proc-flags.o proc-why.o
+CORELOW_O := corelow.o
--- a/gdb/config/pa/hpux.mh
+++ b/gdb/config/pa/hpux.mh
@@ -1,3 +1,4 @@
# Host: PA-RISC HP-UX
NATDEPFILES= fork-child.o inf-ptrace.o inf-ttrace.o \
- hppa-hpux-nat.o corelow.o somread.o
+ hppa-hpux-nat.o somread.o
+CORELOW_O := corelow.o
--- a/gdb/config/pa/linux.mh
+++ b/gdb/config/pa/linux.mh
@@ -1,9 +1,10 @@
# Host: Hewlett-Packard PA-RISC machine, running Linux
NAT_FILE= config/nm-linux.h
-NATDEPFILES= inf-ptrace.o fork-child.o corelow.o \
+NATDEPFILES= inf-ptrace.o fork-child.o \
hppa-linux-nat.o proc-service.o linux-thread-db.o \
linux-nat.o linux-osdata.o linux-fork.o \
linux-procfs.o
+CORELOW_O := corelow.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl $(RDYNAMIC)
--- a/gdb/config/powerpc/aix.mh
+++ b/gdb/config/powerpc/aix.mh
@@ -3,8 +3,9 @@
NAT_FILE= config/rs6000/nm-rs6000.h
# aix-thread.o is not listed in NATDEPFILES as it is pulled in by configure.
-NATDEPFILES= fork-child.o inf-ptrace.o corelow.o rs6000-nat.o \
+NATDEPFILES= fork-child.o inf-ptrace.o rs6000-nat.o \
xcoffsolib.o
+CORELOW_O := corelow.o
# When compiled with cc, for debugging, this argument should be passed.
# We have no idea who our current compiler is though, so we skip it.
--- a/gdb/config/s390/s390.mh
+++ b/gdb/config/s390/s390.mh
@@ -1,7 +1,8 @@
# Host: S390, running Linux
NAT_FILE= config/nm-linux.h
-NATDEPFILES= inf-ptrace.o fork-child.o corelow.o s390-nat.o \
+NATDEPFILES= inf-ptrace.o fork-child.o s390-nat.o \
linux-thread-db.o proc-service.o \
linux-nat.o linux-osdata.o linux-fork.o linux-procfs.o
+CORELOW_O := corelow.o
NAT_CDEPS = $(srcdir)/proc-service.list
LOADLIBES = -ldl $(RDYNAMIC)
--- a/gdb/config/sparc/linux.mh
+++ b/gdb/config/sparc/linux.mh
@@ -1,10 +1,11 @@
# Host: GNU/Linux SPARC
NAT_FILE= config/nm-linux.h
NATDEPFILES= sparc-nat.o sparc-linux-nat.o \
- corelow.o core-regset.o fork-child.o inf-ptrace.o \
+ core-regset.o fork-child.o inf-ptrace.o \
proc-service.o linux-thread-db.o \
linux-nat.o linux-osdata.o linux-fork.o \
linux-procfs.o
+CORELOW_O := corelow.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
--- a/gdb/config/sparc/linux64.mh
+++ b/gdb/config/sparc/linux64.mh
@@ -1,11 +1,12 @@
# Host: GNU/Linux UltraSPARC
NAT_FILE= config/nm-linux.h
NATDEPFILES= sparc-nat.o sparc64-nat.o sparc64-linux-nat.o \
- corelow.o core-regset.o \
+ core-regset.o \
fork-child.o inf-ptrace.o \
proc-service.o linux-thread-db.o \
linux-nat.o linux-osdata.o linux-fork.o \
linux-procfs.o
+CORELOW_O := corelow.o
NAT_CDEPS = $(srcdir)/proc-service.list
# The dynamically loaded libthread_db needs access to symbols in the
--- a/gdb/config/sparc/sol2.mh
+++ b/gdb/config/sparc/sol2.mh
@@ -1,5 +1,6 @@
# Host: Solaris SPARC & UltraSPARC
NAT_FILE= nm-sol2.h
NATDEPFILES= sparc-sol2-nat.o \
- corelow.o core-regset.o fork-child.o \
+ core-regset.o fork-child.o \
procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o
+CORELOW_O := corelow.o
--- a/gdb/config/vax/vax.mh
+++ b/gdb/config/vax/vax.mh
@@ -1,2 +1,3 @@
# Host: VAX running 4.2BSD or Ultrix
-NATDEPFILES= vax-nat.o fork-child.o inf-ptrace.o corelow.o
+NATDEPFILES= vax-nat.o fork-child.o inf-ptrace.o
+CORELOW_O := corelow.o
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -174,6 +174,7 @@ fi
# Accumulate some settings from configure.tgt over all enabled targets
TARGET_OBS=
+CORELOW_O=
all_targets=
for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
@@ -196,12 +197,16 @@ do
# Target-specific object files
for i in ${gdb_target_obs}; do
- case " $TARGET_OBS " in
- *" ${i} "*) ;;
- *)
- TARGET_OBS="$TARGET_OBS ${i}"
- ;;
- esac
+ if test "$i" = corelow.o; then
+ CORELOW_O=corelow.o
+ else
+ case " $TARGET_OBS " in
+ *" ${i} "*) ;;
+ *)
+ TARGET_OBS="$TARGET_OBS ${i}"
+ ;;
+ esac
+ fi
done
# Check whether this target needs 64-bit CORE_ADDR
@@ -233,9 +238,11 @@ if test x${all_targets} = xtrue; then
else
TARGET_OBS='$(ALL_TARGET_OBS)'
fi
+ CORELOW_O=corelow.o
fi
AC_SUBST(TARGET_OBS)
+AC_SUBST(CORELOW_O)
# For other settings, only the main target counts.
gdb_sim=
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