From 35349b17cfe5ee76b13eb38fe793bb89eee8875c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dani=C3=ABl=20de=20Kok?= <me@danieldk.eu>
Date: Fri, 19 Oct 2018 14:10:14 +0200
Subject: [PATCH] libtensorflow: add pkgconfig file

Some software that depends on libtensorflow (e.g. the Tensorflow Rust
bindings) expect tensorflow.pc to be available. This change adds a
pkgconfig file.
---
 pkgs/development/libraries/libtensorflow/default.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/development/libraries/libtensorflow/default.nix b/pkgs/development/libraries/libtensorflow/default.nix
index e6cd140c4e4..f41f6303e01 100644
--- a/pkgs/development/libraries/libtensorflow/default.nix
+++ b/pkgs/development/libraries/libtensorflow/default.nix
@@ -57,6 +57,17 @@ in stdenv.mkDerivation rec {
     ${patchLibs}
     chmod -w $out/lib/libtensorflow.so
     chmod -w $out/lib/libtensorflow_framework.so
+
+    # Write pkgconfig file.
+    mkdir $out/lib/pkgconfig
+    cat > $out/lib/pkgconfig/tensorflow.pc << EOF
+    Name: TensorFlow
+    Version: ${version}
+    Description: Library for computation using data flow graphs for scalable machine learning
+    Requires:
+    Libs: -L$out/lib -ltensorflow
+    Cflags: -I$out/include/tensorflow
+    EOF
   '';
 
   meta = {