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-rw-r--r--pkgs/development/libraries/jemalloc/common.nix35
1 files changed, 35 insertions, 0 deletions
diff --git a/pkgs/development/libraries/jemalloc/common.nix b/pkgs/development/libraries/jemalloc/common.nix
new file mode 100644
index 00000000000..1a26bd13d41
--- /dev/null
+++ b/pkgs/development/libraries/jemalloc/common.nix
@@ -0,0 +1,35 @@
+{ stdenv, fetchurl, version, sha256, ... }@args:
+
+stdenv.mkDerivation (rec {
+  name = "jemalloc-${version}";
+  inherit version;
+
+  src = fetchurl {
+    url = "https://github.com/jemalloc/jemalloc/releases/download/${version}/${name}.tar.bz2";
+    inherit sha256;
+  };
+
+  # By default, jemalloc puts a je_ prefix onto all its symbols on OSX, which
+  # then stops downstream builds (mariadb in particular) from detecting it. This
+  # option should remove the prefix and give us a working jemalloc.
+  configureFlags = stdenv.lib.optional stdenv.isDarwin "--with-jemalloc-prefix="
+                   # jemalloc is unable to correctly detect transparent hugepage support on
+                   # ARM (https://github.com/jemalloc/jemalloc/issues/526), and the default
+                   # kernel ARMv6/7 kernel does not enable it, so we explicitly disable support
+                   ++ stdenv.lib.optional stdenv.isArm "--disable-thp";
+  doCheck = true;
+
+  enableParallelBuilding = true;
+
+  meta = with stdenv.lib; {
+    homepage = http://jemalloc.net;
+    description = "General purpose malloc(3) implementation";
+    longDescription = ''
+      malloc(3)-compatible memory allocator that emphasizes fragmentation
+      avoidance and scalable concurrency support.
+    '';
+    license = licenses.bsd2;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ wkennington ];
+  };
+} // (builtins.removeAttrs args [ "stdenv" "fetchurl" "version" "sha256" ]))