> On Mar 7, 2019, at 3:26 PM, Stanislav Fomichev <sdf@xxxxxxxxxxx> wrote: > > On 03/07, Song Liu wrote: >> Both libbfd and libopcodes are distributed with binutil-dev/devel. When >> libbfd presents, it is OK to assume libopcodes also presents. This has >> been a safe assumption for bpftool. >> >> This patch adds -lopcodes to perf/Makefile.config. libopcodes will be >> used in the next commit for bpf annotation. >> >> Signed-off-by: Song Liu <songliubraving@xxxxxx> >> --- >> tools/perf/Makefile.config | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config >> index b441c88cafa1..e0bafbc273af 100644 >> --- a/tools/perf/Makefile.config >> +++ b/tools/perf/Makefile.config >> @@ -701,7 +701,7 @@ else >> endif >> >> ifeq ($(feature-libbfd), 1) >> - EXTLIBS += -lbfd >> + EXTLIBS += -lbfd -lopcodes > I think you need to add -lopcodes to the other feature checks as > well (to work on the systems which require -liberty and/or -lz for > libfd): > > -- > > diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config > index b441c88cafa1..3fa2f5d7d54f 100644 > --- a/tools/perf/Makefile.config > +++ b/tools/perf/Makefile.config > @@ -701,7 +701,7 @@ else > endif > > ifeq ($(feature-libbfd), 1) > - EXTLIBS += -lbfd > + EXTLIBS += -lbfd -lopcodes > else > # we are on a system that requires -liberty and (maybe) -lz > # to link against -lbfd; test each case individually here > @@ -712,10 +712,10 @@ else > $(call feature_check,libbfd-liberty-z) > > ifeq ($(feature-libbfd-liberty), 1) > - EXTLIBS += -lbfd -liberty > + EXTLIBS += -lbfd -lopcodes -liberty > else > ifeq ($(feature-libbfd-liberty-z), 1) > - EXTLIBS += -lbfd -liberty -lz > + EXTLIBS += -lbfd -lopcodes -liberty -lz > endif > endif > endif Good point! I will fix it in next version. Thanks, Song > >> else >> # we are on a system that requires -liberty and (maybe) -lz >> # to link against -lbfd; test each case individually here >> -- >> 2.17.1