Merge pull request #40688 from flokli/oracle-fixes

pythonPackages.cx_oracle: fix dlopen, patchelf and fix library path for oracle-instantclient binaries

pkgs/development/libraries/oracle-instantclient/default.nix

@@ -1,6 +1,4 @@
-{ stdenv, requireFile, libelf, gcc, glibc, patchelf, unzip, rpmextract, libaio
-, odbcSupport ? false, unixODBC
-}:
+{ stdenv, requireFile, glibc, patchelf, rpmextract, libaio, makeWrapper, odbcSupport ? false, unixODBC }:
 
 assert odbcSupport -> unixODBC != null;
 
@@ -34,9 +32,11 @@ in stdenv.mkDerivation rec {
   srcSqlplus = (requireSource version "1" "sqlplus" "303e82820a10f78e401e2b07d4eebf98b25029454d79f06c46e5f9a302ce5552");
   srcOdbc = optionalString odbcSupport (requireSource version "2" "odbc" "e870c84d2d4be6f77c0760083b82b7ffbb15a4bf5c93c4e6c84f36d6ed4dfdf1");
 
-  buildInputs = [ glibc patchelf rpmextract ] ++
+  buildInputs = [ glibc ] ++
     optional odbcSupport unixODBC;
 
+  nativeBuildInputs = [ rpmextract patchelf makeWrapper ];
+
   buildCommand = ''
     mkdir -p "${name}"
     cd "${name}"
@@ -66,10 +66,11 @@ in stdenv.mkDerivation rec {
                $lib
     done
 
-    for exe in $out/bin/sqlplus; do
+    for exe in $out/bin/{adrci,genezi,sqlplus}; do
       patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
                --force-rpath --set-rpath "$out/lib:${libaio}/lib" \
                $exe
+      wrapProgram $exe --prefix LD_LIBRARY_PATH ":" $out/lib
     done
   '';
 

pkgs/development/python-modules/cx_oracle/0001-odpi-src-dpiOci.c-nixify-libclntsh.so-dlopen.patch

@@ -0,0 +1,27 @@
+From 355b9d812efdfbd041e14b365258b69c81689981 Mon Sep 17 00:00:00 2001
+From: Florian Klink <flokli@flokli.de>
+Date: Thu, 17 May 2018 18:37:40 +0200
+Subject: [PATCH] odpi/src/dpiOci.c: nixify libclntsh.so dlopen
+
+---
+ odpi/src/dpiOci.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/odpi/src/dpiOci.c b/odpi/src/dpiOci.c
+index 76b9867..22c2987 100644
+--- a/odpi/src/dpiOci.c
++++ b/odpi/src/dpiOci.c
+@@ -1575,6 +1575,10 @@ static int dpiOci__loadLib(dpiError *error)
+             }
+         }
+     }
++    if(!dpiOciLibHandle) {
++        dpiOciLibHandle = dlopen("@libclntsh@", RTLD_LAZY);
++    }
++
+ #endif
+ 
+     if (!dpiOciLibHandle) {
+-- 
+2.16.3
+

pkgs/development/python-modules/cx_oracle/default.nix

@@ -2,7 +2,7 @@
 
 buildPythonPackage rec {
   pname = "cx_Oracle";
-  version = "6.2.1";
+  version = "6.3.1";
 
   buildInputs = [
     oracle-instantclient
@@ -10,10 +10,16 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "01970bc843b3c699a7fd98af19e0401fe69abfbd2acdf464e0bf2ae06ea372b9";
+    sha256 = "0200j6jh80rpgzxmvgcxmkshaj4zadq32g2i97nlwiq3f7q374l7";
   };
 
-  # Check need an Oracle database to run  
+  patches = [ ./0001-odpi-src-dpiOci.c-nixify-libclntsh.so-dlopen.patch ];
+
+  postPatch = ''
+    substituteInPlace odpi/src/dpiOci.c --replace @libclntsh@ ${oracle-instantclient}/lib/libclntsh.so";
+  '';
+
+  # Check need an Oracle database to run
   doCheck = false;
 
   meta = with stdenv.lib; {