[PATCH] Better make rules for IPA objects
Alan Hayward
Alan.Hayward@arm.com
Tue Nov 14 14:18:00 GMT 2017
> On 14 Nov 2017, at 11:14, Yao Qi <qiyaoltc@gmail.com> wrote:
>
> Alan Hayward <Alan.Hayward@arm.com> writes:
>
>> -%-ipa.o: ../common/%.c
>> +common/%-ipa.o: ../common/%.c
>> $(IPAGENT_COMPILE) $<
>> $(POSTCOMPILE)
>
> We don't have common/ directory in GDBserver build tree, so
> common/%-ipa.o is useless. Secondly, this "%-ipa.o: ../common/%.c"
> is removed, common/*.c files can't be built for IPA. Please remove this
> change.
>
> With your patch applied, fail to build libinproctrace.so on x86_64-linux.
>
> g++ -std=gnu++11 -shared -fPIC -Wl,--soname=libinproctrace.so -Wl,--no-undefined -g -O2 -I. -I../../../binutils-gdb/gdb/gdbserver -I../../../binutils-gdb/gdb/gdbserver/../common -I../../../binutils-gdb/gdb/gdbserver/../regformats -I../../../binutils-gdb/gdb/gdbserver/.. -I../../../binutils-gdb/gdb/gdbserver/../../include -I../../../binutils-gdb/gdb/gdbserver/../gnulib/import -Ibuild-gnulib-gdbserver/import -Wall -Wpointer-arith -Wno-unused -Wunused-value -Wunused-function -Wno-switch -Wno-char-subscripts -Wempty-body -Wunused-but-set-parameter -Wunused-but-set-variable -Wno-sign-compare -Wno-narrowing -Wno-error=maybe-uninitialized -Wformat-nonliteral -Werror -DGDBSERVER \
> -static-libstdc++ -static-libgcc -Wl,--dynamic-list=../../../binutils-gdb/gdb/gdbserver/proc-service.list -o libinproctrace.so ax-ipa.o common-utils-ipa.o errors-ipa.o format-ipa.o print-utils-ipa.o regcache-ipa.o remote-utils-ipa.o rsp-low-ipa.o tdesc-ipa.o tracepoint-ipa.o utils-ipa.o vec-ipa.o linux-amd64-ipa.o linux-x86-tdesc-ipa.o arch/amd64-ipa.o -ldl -pthread
> g++: error: common-utils-ipa.o: No such file or directory
> g++: error: errors-ipa.o: No such file or directory
> g++: error: format-ipa.o: No such file or directory
> g++: error: print-utils-ipa.o: No such file or directory
> g++: error: rsp-low-ipa.o: No such file or directory
> g++: error: vec-ipa.o: No such file or directory
> Makefile:412: recipe for target 'libinproctrace.so’ failed
>
The idea was that the new common rule was compiling the files from
gdbserver/../common/, e.g. gdbserver/../common/common-utils.c.
...Which I’ve now broken...
Ok, removed this change from the new version below.
> This and (https://sourceware.org/ml/gdb-patches/2017-10/msg00888.html)
> worry me more. You miss something important in the development
> workflow to make sure your patches posted are well-tested.
>
Apologies for this. Possibly I didn’t do a complete make clean here.
But it was glaringly obvious when I recompiled again.
Alan.
gdbserver:
* Makefile.in: Update arch rules.
* configure.srv: Explicitly mark arch/ files.
diff --git a/gdb/gdbserver/Makefile.in b/gdb/gdbserver/Makefile.in
index 8e73563b103f720ddd5e77607c3190a2959903f5..1d51819014270e48b6a670e3defa1dc449e3abf5 100644
--- a/gdb/gdbserver/Makefile.in
+++ b/gdb/gdbserver/Makefile.in
@@ -567,7 +567,7 @@ arch/%.o: ../arch/%.c
$(IPAGENT_COMPILE) $<
$(POSTCOMPILE)
-%-ipa.o: ../arch/%.c
+arch/%-ipa.o: ../arch/%.c
$(IPAGENT_COMPILE) $<
$(POSTCOMPILE)
diff --git a/gdb/gdbserver/configure.srv b/gdb/gdbserver/configure.srv
index 515c6dc8b3e57574286149ebdca37da149218a35..82c3dc237c3fb6baeb2a72cd9ed66d8c7556d72a 100644
--- a/gdb/gdbserver/configure.srv
+++ b/gdb/gdbserver/configure.srv
@@ -133,7 +133,7 @@ case "${target}" in
srv_linux_thread_db=yes
srv_linux_btrace=yes
ipa_obj="linux-i386-ipa.o linux-x86-tdesc-ipa.o"
- ipa_obj="${ipa_obj} i386-ipa.o"
+ ipa_obj="${ipa_obj} arch/i386-ipa.o"
;;
i[34567]86-*-lynxos*) srv_regobj=""
srv_tgtobj="lynx-low.o lynx-i386-low.o fork-child.o fork-inferior.o"
@@ -383,7 +383,7 @@ case "${target}" in
srv_linux_thread_db=yes
srv_linux_btrace=yes
ipa_obj="linux-amd64-ipa.o linux-x86-tdesc-ipa.o"
- ipa_obj="${ipa_obj} amd64-ipa.o"
+ ipa_obj="${ipa_obj} arch/amd64-ipa.o"
;;
x86_64-*-mingw*) srv_regobj=""
srv_tgtobj="x86-low.o x86-dregs.o i387-fp.o win32-low.o win32-i386-low.o"
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