From ea76675c8be17d1c9c42f67b1e1f0a9ef54683ef Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <compnerd@compnerd.org>
Date: Thu, 13 Jul 2023 20:28:01 -0700
Subject: [PATCH] build: pass flex and bison to the interior cmake invocation

These tools are used to generate `regsgen` and not by DS2.  Pass along
the paths to the interior cmake invocation so that when they are not in
the path the configure succeeds.
---
 CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0b58c07b..96304e2f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -116,6 +116,8 @@ ExternalProject_Add(RegsGen2
     -DCMAKE_BUILD_TYPE:STRING=Release
     -DCMAKE_SYSTEM_NAME:STRING=${CMAKE_HOST_SYSTEM_NAME}
     -DCMAKE_SYSTEM_PROCESSOR:STRING=${CMAKE_HOST_SYSTEM_PROCESSOR}
+    -DBISON_EXECUTABLE=${BISON_EXECUTABLE}
+    -DFLEX_EXECUTABLE=${FLEX_EXECUTABLE}
   BUILD_COMMAND ${CMAKE_COMMAND} --build <BINARY_DIR> --config Release
   INSTALL_COMMAND ""
   BUILD_BYPRODUCTS