From 207a2d78435566fb4a724626f3609c82e15898e1 Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Wed, 1 Jan 2020 20:45:11 +0100
Subject: [PATCH] prometheus-cpp: build shared libraries

---
 pkgs/development/libraries/prometheus-cpp/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/prometheus-cpp/default.nix b/pkgs/development/libraries/prometheus-cpp/default.nix
index b047322c35e..e238ca790be 100644
--- a/pkgs/development/libraries/prometheus-cpp/default.nix
+++ b/pkgs/development/libraries/prometheus-cpp/default.nix
@@ -28,6 +28,7 @@ stdenv.mkDerivation rec {
     "-DUSE_THIRDPARTY_LIBRARIES=OFF"
     "-DCIVETWEB_INCLUDE_DIR=${civetweb.dev}/include"
     "-DCIVETWEB_CXX_LIBRARY=${civetweb}/lib/libcivetweb${stdenv.targetPlatform.extensions.sharedLibrary}"
+    "-DBUILD_SHARED_LIBS=ON"
   ];
 
   NIX_LDFLAGS = [ "-ldl" ];