From da225647a45fed37f2ff2eeda0e833c6f8cbb439 Mon Sep 17 00:00:00 2001
From: Robert Schulze <robert@clickhouse.com>
Date: Tue, 16 Apr 2024 14:16:02 +0000
Subject: [PATCH] Add comment

---
 contrib/openssl-cmake/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contrib/openssl-cmake/CMakeLists.txt b/contrib/openssl-cmake/CMakeLists.txt
index fafd4bcd283..56196218fed 100644
--- a/contrib/openssl-cmake/CMakeLists.txt
+++ b/contrib/openssl-cmake/CMakeLists.txt
@@ -100,6 +100,7 @@ if(ARCH_AMD64)
         set(OPENSSL_SYSTEM "macosx")
     else()
         macro(perl_generate_asm FILE_IN FILE_OUT)
+            # Manually set $CC because the called Perl scripts require it.
             add_custom_command(OUTPUT ${FILE_OUT}
                 COMMAND ${CMAKE_COMMAND} -E env "CC=${CMAKE_CXX_COMPILER}" /usr/bin/env perl ${FILE_IN} ${FILE_OUT})
         endmacro()