From e3e1e6d374d85ee6148c07860e09f2ed93a68025 Mon Sep 17 00:00:00 2001
From: ferdymercury <ferdymercury@users.noreply.github.com>
Date: Thu, 23 Apr 2026 11:40:31 +0200
Subject: [PATCH] [openssl] builtin: destination of include files was not
 correct

Compilation with builtin_openssl probably just worked fine because it picked system-wide openssl headers rather than the builtin ones.

Found out while investigating failures in https://github.com/root-project/root/pull/21947
---
 builtins/openssl/CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/builtins/openssl/CMakeLists.txt b/builtins/openssl/CMakeLists.txt
index e3ff238beee22..963e400aada40 100644
--- a/builtins/openssl/CMakeLists.txt
+++ b/builtins/openssl/CMakeLists.txt
@@ -39,7 +39,8 @@ endif()
 
 ExternalProject_Add(OPENSSL
   URL ${OPENSSL_URL} URL_HASH ${OPENSSL_URLHASH}
-  CONFIGURE_COMMAND ${OPENSSL_CONFIG_CMD} no-shared --prefix=<INSTALL_DIR>
+  INSTALL_DIR ${OPENSSL_PREFIX}
+  CONFIGURE_COMMAND ${OPENSSL_CONFIG_CMD} no-shared --prefix=<INSTALL_DIR> --openssldir=<INSTALL_DIR>
   BUILD_COMMAND make -j1 CC=${CMAKE_C_COMPILER}\ -fPIC\ ${OSX_SYSROOT}
   INSTALL_COMMAND make install_sw
   BUILD_IN_SOURCE 1