nixpkgs/pkgs/development/libraries/lmdb/default.nix

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{ stdenv, fetchFromGitHub }:
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stdenv.mkDerivation rec {
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name = "lmdb-${version}";
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version = "0.9.21";
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src = fetchFromGitHub {
owner = "LMDB";
repo = "lmdb";
rev = "LMDB_${version}";
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sha256 = "026a6himvg3y4ssnccdbgr3c2pq3w2d47nayn05v512875z4f2w3";
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};
postUnpack = "sourceRoot=\${sourceRoot}/libraries/liblmdb";
outputs = [ "bin" "out" "dev" ];
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makeFlags = [ "prefix=$(out)" "CC=cc" ]
++ stdenv.lib.optional stdenv.isDarwin "LDFLAGS=-Wl,-install_name,$(out)/lib/liblmdb.so";
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doCheck = true;
checkPhase = "make test";
postInstall = ''
moveToOutput bin "$bin"
moveToOutput "lib/*.a" REMOVE # until someone needs it
''
# add lmdb.pc (dynamic only)
+ ''
mkdir -p "$dev/lib/pkgconfig"
cat > "$dev/lib/pkgconfig/lmdb.pc" <<EOF
Name: lmdb
Description: ${meta.description}
Version: ${version}
Cflags: -I$dev/include
Libs: -L$out/lib -llmdb
EOF
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'';
meta = with stdenv.lib; {
description = "Lightning memory-mapped database";
longDescription = ''
LMDB is an ultra-fast, ultra-compact key-value embedded data store
developed by Symas for the OpenLDAP Project. It uses memory-mapped files,
so it has the read performance of a pure in-memory database while still
offering the persistence of standard disk-based databases, and is only
limited to the size of the virtual address space.
'';
homepage = http://symas.com/mdb/;
maintainers = with maintainers; [ jb55 vcunat ];
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license = licenses.openldap;
platforms = platforms.all;
};
}