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|
{ stdenv, coreutils }:
stdenv.mkDerivation {
name = "libredirect-0";
unpackPhase = ''
cp ${./libredirect.c} libredirect.c
cp ${./test.c} test.c
'';
libName = "libredirect" + stdenv.targetPlatform.extensions.sharedLibrary;
buildPhase = ''
$CC -Wall -std=c99 -O3 -shared libredirect.c \
-o "$libName" -fPIC -ldl
if [ -n "$doInstallCheck" ]; then
$CC -Wall -std=c99 -O3 test.c -o test
fi
'';
installPhase = ''
install -vD "$libName" "$out/lib/$libName"
'';
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
'';
meta = {
platforms = stdenv.lib.platforms.unix;
description = "An LD_PRELOAD library to intercept and rewrite the paths in glibc calls";
longDescription = ''
libredirect is an LD_PRELOAD library to intercept and rewrite the paths in
glibc calls based on the value of $NIX_REDIRECTS, a colon-separated list
of path prefixes to be rewritten, e.g. "/src=/dst:/usr/=/nix/store/".
'';
};
}
|
