taler-exchange: fix and enable strictDeps

pkgs/by-name/ta/taler-exchange/package.nix

@@ -18,6 +18,7 @@
   jq,
   gettext,
   texinfo,
+  libtool,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -35,7 +36,12 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [
     autoreconfHook
+    recutils # recfix
     pkg-config
+    python3.pkgs.jinja2
+    texinfo # makeinfo
+    # jq is necessary for some tests and is checked by configure script
+    jq
   ];
 
   buildInputs = [
@@ -44,16 +50,14 @@ stdenv.mkDerivation (finalAttrs: {
     jansson
     libsodium
     libpq
+    libtool
     curl
-    recutils
     gettext
-    texinfo # Fix 'makeinfo' is missing on your system.
     libunistring
-    python3.pkgs.jinja2
-    # jq is necessary for some tests and is checked by configure script
-    jq
   ];
 
+  strictDeps = true;
+
   propagatedBuildInputs = [ gnunet ];
 
   # From ./bootstrap
@@ -90,6 +94,10 @@ stdenv.mkDerivation (finalAttrs: {
     popd
   '';
 
+  configureFlags = [
+    "ac_cv_path__libcurl_config=${lib.getDev curl}/bin/curl-config"
+  ];
+
   enableParallelBuilding = true;
 
   doInstallCheck = true;