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author | zimbatm <zimbatm@zimbatm.com> | 2018-11-13 12:35:10 +0100 |
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committer | zimbatm <zimbatm@zimbatm.com> | 2018-11-14 00:05:23 +0100 |
commit | 91c130e2f5d6702e195dd6c25abafc5f16b7e505 (patch) | |
tree | 79a7c8b1124a58c86c6dc6679a570ebcc1f3b7ed | |
parent | e62db105c4bc1837cff46702d760c3e04403b6b5 (diff) | |
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libredirect: introduce optional setup-hook
This allows to simplify the usage of libredirect inside of nix build sandboxes. Add "libredirect.hook" to the build inputs to get everything linked in automaticall. All that's left is to set NIX_REDIRECTS and call the target program.
-rw-r--r-- | pkgs/build-support/libredirect/default.nix | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/pkgs/build-support/libredirect/default.nix b/pkgs/build-support/libredirect/default.nix index e92945a4030..7caca2fc003 100644 --- a/pkgs/build-support/libredirect/default.nix +++ b/pkgs/build-support/libredirect/default.nix @@ -10,6 +10,8 @@ stdenv.mkDerivation { libName = "libredirect" + stdenv.targetPlatform.extensions.sharedLibrary; + outputs = ["out" "hook"]; + buildPhase = '' $CC -Wall -std=c99 -O3 -shared libredirect.c \ -o "$libName" -fPIC -ldl @@ -21,17 +23,25 @@ stdenv.mkDerivation { installPhase = '' install -vD "$libName" "$out/lib/$libName" + + mkdir -p "$hook/nix-support" + cat <<SETUP_HOOK > "$hook/nix-support/setup-hook" + ${if stdenv.isDarwin then '' + export DYLD_INSERT_LIBRARIES="$out/lib/$libName" + export DYLD_FORCE_FLAT_NAMESPACE=1 + '' else '' + export LD_PRELOAD="$out/lib/$libName" + ''} + SETUP_HOOK ''; doInstallCheck = true; - installCheckPhase = if stdenv.isDarwin then '' - NIX_REDIRECTS="/foo/bar/test=${coreutils}/bin/true" \ - DYLD_INSERT_LIBRARIES="$out/lib/$libName" \ - DYLD_FORCE_FLAT_NAMESPACE=1 ./test - '' else '' - NIX_REDIRECTS="/foo/bar/test=${coreutils}/bin/true" \ - LD_PRELOAD="$out/lib/$libName" ./test + installCheckPhase = '' + ( + source "$hook/nix-support/setup-hook" + NIX_REDIRECTS="/foo/bar/test=${coreutils}/bin/true" ./test + ) ''; meta = { |