> > On 27/02/2022 17:20, Ansuel Smith wrote: > > > > >> From: Tony Ambardar <itug...@yahoo.com> > >> > >> dwarves is a set of tools that use the debugging information inserted in > >> ELF binaries by compilers such as GCC. Utilities in the dwarves suite > >> include pahole, which can be used to find alignment holes in structs and > >> classes, and also extracts other information such as CPU cacheline > >> alignment, helping pack those structures to achieve more cache hits. > >> > >> These tools are also used to encode and read the BTF type information > >> format used with the bpf syscall, making this a Linux build dependency > >> when using kernel BTF information. > > BTW this fails to build if libdw-dev is not installed with > > > > -- Checking availability of DWARF and ELF development libraries > > -- Could NOT find dwarf include dir > > -- Could NOT find libdw include dir > > -- Could NOT find libdw library > > CMake Error at cmake/modules/FindDWARF.cmake:93 (message): > > Could NOT find some ELF and DWARF libraries, please install the missing > > packages > > Call Stack (most recent call first): > > CMakeLists.txt:60 (find_package) > > > > ERROR: tools/dwarves failed to build. > > > > Should we add it to the build prereq? > > Please try this instead: > > diff --git a/tools/dwarves/Makefile b/tools/dwarves/Makefile > index b02a2398a1..e5a55706be 100644 > --- a/tools/dwarves/Makefile > +++ b/tools/dwarves/Makefile > @@ -12,14 +12,12 @@PKG_LICENSE:=GPL-2.0-only > PKG_LICENSE_FILES:=COPYING > > HOST_BUILD_PARALLEL:=1 > +PKG_BUILD_DEPENDS:=elfutils/host > > include $(INCLUDE_DIR)/host-build.mk > include $(INCLUDE_DIR)/cmake.mk > > CMAKE_HOST_OPTIONS += \ > - -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=BOTH \ > - -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=BOTH \ > - -DCMAKE_BUILD_TYPE=Release \ > -D__LIB=lib \ > -DCMAKE_INSTALL_RPATH="$(STAGING_DIR_HOST)/lib" \ > -DCMAKE_SKIP_RPATH=FALSE > > Thanks, > Stijn >
No luck... still make[3]: Leaving directory '/home/ansuel/openwrt/tools/missing-macros' time: tools/missing-macros/compile#0.09#0.06#0.12 -- The C compiler identification is GNU 11.2.0 -- Detecting C compiler ABI info make[3]: Leaving directory '/home/ansuel/openwrt/tools/automake' time: tools/automake/compile#0.14#0.44#0.51 make[3]: Entering directory '/home/ansuel/openwrt/tools/libtool' make[3]: Entering directory '/home/ansuel/openwrt/tools/dosfstools' make[3]: Leaving directory '/home/ansuel/openwrt/tools/dosfstools' time: tools/dosfstools/compile#0.13#0.17#0.25 -- Detecting C compiler ABI info - done -- Check for working C compiler: /home/ansuel/openwrt/staging_dir/host/bin/gcc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Setting BUILD_SHARED_LIBS = ON make[3]: Leaving directory '/home/ansuel/openwrt/tools/libtool' -- Checking availability of DWARF and ELF development libraries time: tools/libtool/compile#0.15#0.27#0.34 -- Could NOT find dwarf include dir -- Could NOT find libdw include dir -- Could NOT find libdw library -- Could NOT find libelf library CMake Error at cmake/modules/FindDWARF.cmake:93 (message): Could NOT find some ELF and DWARF libraries, please install the missing packages Call Stack (most recent call first): CMakeLists.txt:60 (find_package) -- Configuring incomplete, errors occurred! _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel