Bug 732510 – dev-util/perf-5.7-r1 USE=demangle fails to demangle symbols

• Product: Gentoo Linux
• Status: RESOLVED WORKSFORME

[Description Konstantin Sobolev 2020-07-13 23:35:52 UTC]

Created attachment 649134 [details]
emerge --info

perf-5.7-r1 built with +demangle still doesn't demangle.

I see these messages during merge:

Makefile.config:812: No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling
...                        bionic: [ OFF ]
...                    compile-32: [ on  ]
...                   compile-x32: [ OFF ]
...                cplus-demangle: [ OFF ]
...                         hello: [ OFF ]
...                 libbabeltrace: [ OFF ]
...                libbfd-liberty: [ OFF ]
...              libbfd-liberty-z: [ OFF ]
...                    libopencsd: [ OFF ]
...                 libunwind-x86: [ OFF ]
...              libunwind-x86_64: [ OFF ]
...                 libunwind-arm: [ OFF ]
...             libunwind-aarch64: [ OFF ]
...         libunwind-debug-frame: [ OFF ]
...     libunwind-debug-frame-arm: [ OFF ]
... libunwind-debug-frame-aarch64: [ OFF ]
...                           cxx: [ OFF ]
...                          llvm: [ OFF ]
...                  llvm-version: [ OFF ]
...                         clang: [ OFF ]
...                        libbpf: [ OFF ]
...                        prefix: /usr
...                        bindir: /usr/bin
...                        libdir: /usr/lib64
...                    sysconfdir: /etc
...                 LIBUNWIND_DIR: 
...                     LIBDW_DIR: 
...                          JDIR: /etc/java-config-2/current-system-vm
...     DWARF post unwind library: libdw

[Comment 1 Guilherme Amadio 2020-11-19 15:13:09 UTC]

Cannot reproduce with dev-util/perf-5.7-r1 or later. Demangling works for me.