fix: Apply lhcb/RapidSim#76

Author: chrisburr

recipe/76.patch

@@ -0,0 +1,72 @@
+From 536e59060ade6da0723c8d437995c38181f12593 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?L=C3=A9a?= <lea.dreyfus@cern.ch>
+Date: Wed, 22 Oct 2025 11:18:53 +0200
+Subject: [PATCH 1/2] Changed minimum required version to 3.5 because of
+ deprecated errors using newer CMAKE versions
+
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 8615163..35b0f2f 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,5 +1,5 @@
+ #  CMAKE CONFIG
+-CMAKE_MINIMUM_REQUIRED( VERSION 2.6 FATAL_ERROR )
++CMAKE_MINIMUM_REQUIRED( VERSION 3.5 FATAL_ERROR )
+ project(RapidSim)
+ 
+ set(CMAKE_VERBOSE_MAKEFILE ON)
+
+From 5262ff357a578ddc1cc6aad67c94560764743797 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?L=C3=A9a?= <lea.dreyfus@cern.ch>
+Date: Wed, 22 Oct 2025 11:24:09 +0200
+Subject: [PATCH 2/2] Changed all instances of gRandom->GetSeed() and
+ gRandom->SetSeed() to gRandom->TRandom::GetSeed() /
+ gRandom->TRandom::SetSeed()
+
+---
+ src/RapidConfig.cc         | 6 +++---
+ src/RapidExternalEvtGen.cc | 2 +-
+ 2 files changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/RapidConfig.cc b/src/RapidConfig.cc
+index 2ba85f6..4af94ce 100644
+--- a/src/RapidConfig.cc
++++ b/src/RapidConfig.cc
+@@ -297,7 +297,7 @@ bool RapidConfig::loadDecay() {
+ bool RapidConfig::loadConfig() {
+ 	std::cout << "INFO in RapidConfig::loadConfig : attempting to load configuration from file: " << fileName_+".config" << std::endl;
+ 
+-	gRandom->SetSeed(0.);
++	gRandom->TRandom::SetSeed(0.);
+ 
+ 	std::ifstream fin;
+ 	fin.open(fileName_+".config", std::ifstream::in);
+@@ -447,9 +447,9 @@ bool RapidConfig::configParticle(unsigned int part, TString command, TString val
+ bool RapidConfig::configGlobal(TString command, TString value) {
+ 	if(command=="seed") {
+ 		int seed = value.Atoi();
+-		gRandom->SetSeed(seed);
++		gRandom->TRandom::SetSeed(seed);
+ 		std::cout << "INFO in RapidConfig::configGlobal : setting seed for random number generation to " << seed << "." << std::endl
+-			  << "                                    seed is now " << gRandom->GetSeed() << "." << std::endl;
++			  << "                                    seed is now " << gRandom->TRandom::GetSeed() << "." << std::endl;
+ 	} else if(command=="acceptance") {
+ 		std::cout << "INFO in RapidConfig::configGlobal : setting acceptance type to " << value << "." << std::endl;
+ 		acceptanceType_ = RapidAcceptance::typeFromString(value);
+diff --git a/src/RapidExternalEvtGen.cc b/src/RapidExternalEvtGen.cc
+index 0c44beb..63405c1 100644
+--- a/src/RapidExternalEvtGen.cc
++++ b/src/RapidExternalEvtGen.cc
+@@ -124,7 +124,7 @@ bool RapidExternalEvtGen::setupGenerator() {
+ 	std::list<EvtDecayBase*> extraModels;
+ 
+ 	// Define the random number generator
+-	uint seed = gRandom->GetSeed();
++	uint seed = gRandom->TRandom::GetSeed();
+ 	randomEngine = new EvtMTRandomEngine(seed);
+ 
+ 	bool useEvtGenRandom(false);

recipe/recipe.yaml

@@ -15,6 +15,7 @@ source:
     - 0001-Update-CMakeLists.txt.patch
     - 0002-Fix-linking-to-evtgen-on-macOS.patch
     - 0003-Remove-Werror-for-CMAKE_CXX_FLAGS.patch
+    - 76.patch
 
 build:
   number: 23