From 3c730046fc22cfbc4dc03c6ddfbfc14be5dc6fcc Mon Sep 17 00:00:00 2001
From: Anton Alkin <anton.alkin@cern.ch>
Date: Thu, 15 Aug 2024 14:11:55 +0200
Subject: [PATCH] Use GCC_TOOLCHAIN_ROOT with clang precompile command

---
 cpp/cmake_modules/GandivaAddBitcode.cmake | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cpp/cmake_modules/GandivaAddBitcode.cmake b/cpp/cmake_modules/GandivaAddBitcode.cmake
index 98847f8a186fe..3d31d5100f2c0 100644
--- a/cpp/cmake_modules/GandivaAddBitcode.cmake
+++ b/cpp/cmake_modules/GandivaAddBitcode.cmake
@@ -42,6 +42,7 @@ function(gandiva_add_bitcode SOURCE)
          env
          SDKROOT=${CMAKE_OSX_SYSROOT})
   endif()
+
   list(APPEND
        PRECOMPILE_COMMAND
        ${CLANG_EXECUTABLE}
@@ -58,6 +59,11 @@ function(gandiva_add_bitcode SOURCE)
        -o
        ${BC_FILE}
        ${ARROW_GANDIVA_PC_CXX_FLAGS})
+  if(GCC_TOOLCHAIN_ROOT)
+    list(APPEND
+         PRECOMPILE_COMMAND
+         --gcc-install-dir="$GCC_TOOLCHAIN_ROOT")
+  endif()
   if(ARROW_BINARY_DIR)
     list(APPEND PRECOMPILE_COMMAND -I${ARROW_BINARY_DIR}/src)
   endif()