diff --git a/pkgs/development/compilers/llvm/4/libc++abi.nix b/pkgs/development/compilers/llvm/4/libc++abi.nix
index 5eeec395b97..735c5e9e743 100644
--- a/pkgs/development/compilers/llvm/4/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/4/libc++abi.nix
@@ -34,6 +34,7 @@ stdenv.mkDerivation {
     ''
     else ''
       install -d -m 755 $out/include $out/lib
+      install -m 644 lib/libc++abi.a $out/lib
       install -m 644 lib/libc++abi.so.1.0 $out/lib
       install -m 644 ../include/cxxabi.h $out/include
       ln -s libc++abi.so.1.0 $out/lib/libc++abi.so
diff --git a/pkgs/development/compilers/llvm/5/libc++abi.nix b/pkgs/development/compilers/llvm/5/libc++abi.nix
index 69970543674..227ecbeda19 100644
--- a/pkgs/development/compilers/llvm/5/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/5/libc++abi.nix
@@ -33,6 +33,7 @@ stdenv.mkDerivation {
     ''
     else ''
       install -d -m 755 $out/include $out/lib
+      install -m 644 lib/libc++abi.a $out/lib
       install -m 644 lib/libc++abi.so.1.0 $out/lib
       install -m 644 ../include/cxxabi.h $out/include
       ln -s libc++abi.so.1.0 $out/lib/libc++abi.so
diff --git a/pkgs/development/compilers/llvm/6/libc++abi.nix b/pkgs/development/compilers/llvm/6/libc++abi.nix
index 425b00c689e..df9c784a10f 100644
--- a/pkgs/development/compilers/llvm/6/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/6/libc++abi.nix
@@ -33,6 +33,7 @@ stdenv.mkDerivation {
     ''
     else ''
       install -d -m 755 $out/include $out/lib
+      install -m 644 lib/libc++abi.a $out/lib
       install -m 644 lib/libc++abi.so.1.0 $out/lib
       install -m 644 ../include/cxxabi.h $out/include
       ln -s libc++abi.so.1.0 $out/lib/libc++abi.so
diff --git a/pkgs/development/compilers/llvm/7/libc++abi.nix b/pkgs/development/compilers/llvm/7/libc++abi.nix
index 7dbda6c365e..04062b83f50 100644
--- a/pkgs/development/compilers/llvm/7/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/7/libc++abi.nix
@@ -33,6 +33,7 @@ stdenv.mkDerivation {
     ''
     else ''
       install -d -m 755 $out/include $out/lib
+      install -m 644 lib/libc++abi.a $out/lib
       install -m 644 lib/libc++abi.so.1.0 $out/lib
       install -m 644 ../include/cxxabi.h $out/include
       ln -s libc++abi.so.1.0 $out/lib/libc++abi.so