On Tue, Mar 14, 2023 at 05:22:02PM +0100, Mattias Rönnblom wrote: > Hi. > > Is the "b_staticpic" meson build option supposed to work with DPDK? > > Setting it to "false" (default is "true") causes link failures on Ubuntu > 22.04, with GCC 9 and 11, on v23.03rc1 and v22.11: > > /usr/bin/ld: lib/librte_eal.a.p/eal_common_eal_common_errno.c.o: relocation > R_X86_64_TPOFF32 against `per_lcore_retval.1' can not be used when making a > shared object; recompile with -fPIC > /usr/bin/ld: failed to set dynamic section sizes: bad value > collect2: error: ld returned 1 exit status > > Does something per-lcore/TLS-related require PIC builds, even for static > libraries? > I don't think that is the issue. The "issue" is that DPDK always does both static and shared builds from the same object files, so without -fPIC the shared library parts of the build fails. To support not using staticpic, we'd have to disable building the .so's in those cases, or each C file built twice.
/Bruce
