From c8acbfccd9cb3fe0247e3fd612ff84e785ba9e68 Mon Sep 17 00:00:00 2001
From: Marie Ramlow <me@nycode.dev>
Date: Fri, 23 Aug 2024 18:36:18 +0200
Subject: [PATCH] gsoap: fix cross compilation

gsoap requires a soapcpp2 for the build platform when cross compiling.
---
 pkgs/development/libraries/gsoap/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/gsoap/default.nix b/pkgs/development/libraries/gsoap/default.nix
index 08b8146ac0a8..1a40b87c01aa 100644
--- a/pkgs/development/libraries/gsoap/default.nix
+++ b/pkgs/development/libraries/gsoap/default.nix
@@ -1,7 +1,8 @@
-{ lib, stdenv, fetchurl, autoreconfHook, unzip, m4, bison, flex, openssl, zlib }:
+{ lib, stdenv, fetchurl, autoreconfHook, unzip, m4, bison, flex, openssl, zlib, buildPackages }:
 
 let
   majorVersion = "2.8";
+  isCross = stdenv.hostPlatform != stdenv.buildPlatform;
 
 in stdenv.mkDerivation rec {
   pname = "gsoap";
@@ -22,6 +23,10 @@ in stdenv.mkDerivation rec {
   prePatch = ''
     substituteInPlace configure.ac \
       --replace 'AM_INIT_AUTOMAKE([foreign])' 'AM_INIT_AUTOMAKE([foreign subdir-objects])'
+    ${lib.optionalString isCross ''
+      substituteInPlace gsoap/wsdl/Makefile.am \
+        --replace-fail 'SOAP=$(top_builddir)/gsoap/src/soapcpp2$(EXEEXT)' 'SOAP=${lib.getExe' buildPackages.gsoap "soapcpp2"}'
+    ''}
   '';
 
   meta = with lib; {