From 55d21b081de7dd417cc58765841be9cad1a18861 Mon Sep 17 00:00:00 2001
From: Alessandro Molina <amol@turbogears.org>
Date: Fri, 14 May 2021 15:44:42 -0400
Subject: [PATCH] ARROW-12793: [Python] Fix support for pyarrow debug builds

Closes #10324 from amol-/ARROW-12793

Authored-by: Alessandro Molina <amol@turbogears.org>
Signed-off-by: David Li <li.davidm96@gmail.com>
---
 cpp/cmake_modules/UseCython.cmake | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cpp/cmake_modules/UseCython.cmake b/cpp/cmake_modules/UseCython.cmake
index 0d4b17d3e5724..0b65a7842f97f 100644
--- a/cpp/cmake_modules/UseCython.cmake
+++ b/cpp/cmake_modules/UseCython.cmake
@@ -107,8 +107,9 @@ function(compile_pyx
   endif()
 
   if(NOT WIN32)
-    if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug"
-       OR "${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
+    string( TOLOWER "${CMAKE_BUILD_TYPE}" build_type )
+    if("${build_type}" STREQUAL "debug"
+       OR "${build_type}" STREQUAL "relwithdebinfo")
       set(cython_debug_arg "--gdb")
     endif()
   endif()