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btar: add -fcommon workaround

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Workaround build failure on -fno-common toolchains like upstream
gcc-10. Otherwise build fails as:

    ld: listindex.o:/build/btar-1.1.1/loadindex.h:12: multiple definition of
      `ptr'; main.o:/build/btar-1.1.1/loadindex.h:12: first defined here
This commit is contained in:
Sergei Trofimovich
2022-05-19 15:39:46 +01:00
parent f25d106e1d
commit b9fcbcb596
1 changed files with 6 additions and 0 deletions
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pkgs/tools/backup/btar/default.nix
+6
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@@ -16,6 +16,12 @@ stdenv.mkDerivation rec {
})
];
# Workaround build failure on -fno-common toolchains like upstream
# gcc-10. Otherwise build fails as:
# ld: listindex.o:/build/btar-1.1.1/loadindex.h:12: multiple definition of
# `ptr'; main.o:/build/btar-1.1.1/loadindex.h:12: first defined here
NIX_CFLAGS_COMPILE = "-fcommon";
buildInputs = [ librsync ];
makeFlags = [ "PREFIX=$(out)" ];