From 07035f5d79d65f70177f88af13e0efe592d5439b Mon Sep 17 00:00:00 2001
From: Misha Chornyi <mchornyi@nvidia.com>
Date: Thu, 9 Apr 2026 17:50:59 -0700
Subject: [PATCH] build: set OpenSSL3 paths on RHEL-like Linux (TRI-938)

Set OPENSSL_ROOT_DIR and OPENSSL_INCLUDE_DIR for manylinux / openssl3
layouts on ID_LIKE rhel|centos.
---
 CMakeLists.txt                   | 2 ++
 libevhtp/libevhtp/CMakeLists.txt | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d96c4a76..da306ae6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,6 +71,8 @@ if(LINUX)
   file(STRINGS "/etc/os-release" DISTRO_ID_LIKE REGEX "ID_LIKE")
   if(${DISTRO_ID_LIKE} MATCHES "rhel|centos")
     set (LIB_DIR "lib64")
+    set(OPENSSL_ROOT_DIR "/usr/lib64/openssl3")
+    set(OPENSSL_INCLUDE_DIR "/usr/include/openssl3")
   endif(${DISTRO_ID_LIKE} MATCHES "rhel|centos")
 endif(LINUX)
 set(TRITON_CORE_HEADERS_ONLY OFF)
diff --git a/libevhtp/libevhtp/CMakeLists.txt b/libevhtp/libevhtp/CMakeLists.txt
index a3f8e232..e1d1eaae 100644
--- a/libevhtp/libevhtp/CMakeLists.txt
+++ b/libevhtp/libevhtp/CMakeLists.txt
@@ -69,6 +69,14 @@ set(evhtp_dir_headers
   "include/evhtp/parser.h"
   "include/evhtp/log.h")
 
+if(LINUX)
+  file(STRINGS "/etc/os-release" DISTRO_ID_LIKE REGEX "ID_LIKE")
+  if(${DISTRO_ID_LIKE} MATCHES "rhel|centos")
+    set(OPENSSL_ROOT_DIR "/usr/lib64/openssl3")
+    set(OPENSSL_INCLUDE_DIR "/usr/include/openssl3")
+  endif(${DISTRO_ID_LIKE} MATCHES "rhel|centos")
+endif(LINUX)
+
 if(NOT EVHTP_DISABLE_SSL)
     find_package(OpenSSL)
     if(OPENSSL_FOUND)