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python3: fix NIX_LDFLAGS logic

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* Only try to link libgcc if GCC is actually used

* Link libgcc depending on libc (glibc vs. musl), rather than
  Linux/musl vs. Linux/!musl

This is a step towards fixing pkgsLLVM.python3.
This commit is contained in:
sternenseemann 2021-09-18 13:18:07 +02:00
parent 263bdbdad4
commit 1174f3030c
1 changed files with 4 additions and 1 deletions
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5
pkgs/development/interpreters/python/cpython/default.nix
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@ -286,7 +286,10 @@ in with passthru; stdenv.mkDerivation {
CPPFLAGS = concatStringsSep " " (map (p: "-I${getDev p}/include") buildInputs);
LDFLAGS = concatStringsSep " " (map (p: "-L${getLib p}/lib") buildInputs);
LIBS = "${optionalString (!stdenv.isDarwin) "-lcrypt"} ${optionalString (ncurses != null) "-lncurses"}";
NIX_LDFLAGS = optionalString (stdenv.isLinux && !stdenv.hostPlatform.isMusl) "-lgcc_s" + optionalString stdenv.hostPlatform.isMusl "-lgcc_eh";
NIX_LDFLAGS = lib.optionalString stdenv.cc.isGNU ({
"glibc" = "-lgcc_s";
"musl" = "-lgcc_eh";
}."${stdenv.hostPlatform.libc}" or "");
# Determinism: We fix the hashes of str, bytes and datetime objects.
PYTHONHASHSEED=0;