diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2019-11-03 16:06:58 +0000 |
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committer | V3n3RiX <venerix@redcorelinux.org> | 2019-11-03 16:06:58 +0000 |
commit | bd4aeefe33e63f613512604e47bfca7b2187697d (patch) | |
tree | adb35b5a9a00ee7ea591ab0c987f70167c23b597 /sys-libs/glibc/glibc-9999.ebuild | |
parent | 48ece6662cbd443015f5a57ae6d8cbdbd69ef37c (diff) |
gentoo resync : 03.11.2019
Diffstat (limited to 'sys-libs/glibc/glibc-9999.ebuild')
-rw-r--r-- | sys-libs/glibc/glibc-9999.ebuild | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/sys-libs/glibc/glibc-9999.ebuild b/sys-libs/glibc/glibc-9999.ebuild index d529e346178e..4ff0c140c457 100644 --- a/sys-libs/glibc/glibc-9999.ebuild +++ b/sys-libs/glibc/glibc-9999.ebuild @@ -19,7 +19,7 @@ if [[ ${PV} == 9999* ]]; then EGIT_REPO_URI="https://sourceware.org/git/glibc.git" inherit git-r3 else - #KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86" + #KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh ~sparc ~x86" KEYWORDS="" SRC_URI="mirror://gnu/glibc/${P}.tar.xz" fi @@ -61,6 +61,26 @@ if [[ ${CTARGET} == ${CHOST} ]] ; then fi fi +# Note [Disable automatic stripping] +# Disabling automatic stripping for a few reasons: +# - portage's attempt to strip breaks non-native binaries at least on +# arm: bug #697428 +# - portage's attempt to strip libpthread.so.0 breaks gdb thread +# enumeration: bug #697910. This is quite subtle: +# * gdb uses glibc's libthread_db-1.0.so to enumerate threads. +# * libthread_db-1.0.so needs access to libpthread.so.0 local symbols +# via 'ps_pglobal_lookup' symbol defined in gdb. +# * 'ps_pglobal_lookup' uses '.symtab' section table to resolve all +# known symbols in 'libpthread.so.0'. Specifically 'nptl_version' +# (unexported) is used to sanity check compatibility before enabling +# debugging. +# Also see https://sourceware.org/gdb/wiki/FAQ#GDB_does_not_see_any_threads_besides_the_one_in_which_crash_occurred.3B_or_SIGTRAP_kills_my_program_when_I_set_a_breakpoint +# * normal 'strip' command trims '.symtab' +# Thus our main goal here is to prevent 'libpthread.so.0' from +# losing it's '.symtab' entries. +# As Gentoo's strip does not allow us to pass less aggressive stripping +# options and does not check the machine target we strip selectively. + # We need a new-enough binutils/gcc to match upstream baseline. # Also we need to make sure our binutils/gcc supports TLS, # and that gcc already contains the hardened patches. @@ -1181,6 +1201,13 @@ glibc_do_src_install() { # '#define VERSION "2.26.90"' -> '2.26.90' local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) + # Avoid stripping binaries not targeted by ${CHOST}. Or else + # ${CHOST}-strip would break binaries build for ${CTARGET}. + is_crosscompile && dostrip -x / + # gdb thread introspection relies on local libpthreas symbols. stripping breaks it + # See Note [Disable automatic stripping] + dostrip -x $(alt_libdir)/libpthread-${upstream_pv}.so + if [[ -e ${ED}/$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then # Move versioned .a file out of libdir to evade portage QA checks # instead of using gen_usr_ldscript(). We fix ldscript as: |