botan: split dev

out size 28M -> 27M
dev output 1.6M

pkgs/development/libraries/botan/generic.nix

@@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
   pname = "botan";
   version = "${baseVersion}.${revision}";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchurl {
     name = "Botan-${version}.${sourceExtension}";
     urls = [
@@ -30,7 +32,9 @@ stdenv.mkDerivation rec {
     ++ lib.optionals stdenv.isDarwin [ CoreServices Security ];
 
   configurePhase = ''
+    runHook preConfigure
     python configure.py --prefix=$out --with-bzip2 --with-zlib ${extraConfigureFlags}${lib.optionalString stdenv.cc.isClang " --cc=clang"}
+    runHook postConfigure
   '';
 
   enableParallelBuilding = true;

pkgs/tools/security/softhsm/default.nix

@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [
     "--with-crypto-backend=botan"
-    "--with-botan=${botan2}"
+    "--with-botan=${lib.getDev botan2}"
     "--sysconfdir=$out/etc"
     "--localstatedir=$out/var"
     ];