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g15daemon: add -fcommon workaround

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Without the change the build fails on -fno-common toolchains like gcc-10 as:

    $ nix build --impure --expr 'with import ./. {}; g15daemon.override { stdenv = clang13Stdenv; }'
    ld: g15daemon.h:218: multiple definition of `lcdlist_mutex'; utility_funcs.o:g15daemon.h:218: first defined here
    ld: g15daemon.h:203: multiple definition of `lcdnode_s'; utility_funcs.o:g15daemon.h:203: first defined here
This commit is contained in:
Sergei Trofimovich 2022-05-07 18:56:29 +01:00 committed by Peter Hoeg
parent 89e10fc7a0
commit 0e8ede9cc4
1 changed files with 5 additions and 0 deletions
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5
pkgs/os-specific/linux/g15daemon/default.nix
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@ -79,6 +79,11 @@ stdenv.mkDerivation rec {
buildInputs = [ libg15 libg15render ];
# Workaround build failure on -fno-common toolchains like upstream gcc-10:
# ld: g15_plugins.o:/build/g15daemon-1.9.5.3/g15daemon/./g15daemon.h:218:
# multiple definition of `lcdlist_mutex'; utility_funcs.o:g15daemon.h:218: first defined here
NIX_CFLAGS_COMPILE = "-fcommon";
enableParallelBuilding = true;
meta = {