[rpms/fluent-bit] rawhide: Fix build with OpenSSL 4.0

[Yaakov Selkowitz <yselkowi@redhat.com>]

            A new commit has been pushed.

            Repo   : rpms/fluent-bit
            Branch : rawhide
            Commit : 6f6ff7db322feb3a326be255a9a5c34af5a0b36a
            Author : Yaakov Selkowitz <yselkowi@redhat.com>
            Date   : 2026-05-03T16:29:49-04:00
            Stats  : +61/-3 in 2 file(s)
            URL    : https://src.fedoraproject.org/rpms/fluent-bit/c/6f6ff7db322feb3a326be255a9a5c34af5a0b36a?branch=rawhide

            Log:
            Fix build with OpenSSL 4.0

https://github.com/fluent/fluent-bit/pull/11771

---
diff --git a/fluent-bit.spec b/fluent-bit.spec
index 3da5965..1113539 100644
--- a/fluent-bit.spec
+++ b/fluent-bit.spec
@@ -6,6 +6,8 @@ Summary: Fluent Bit is a super fast, lightweight, and highly scalable logging an
 License: Apache-2.0
 URL: https://github.com/fluent/fluent-bit
 Source0: https://github.com/fluent/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
+# https://github.com/fluent/fluent-bit/pull/11771
+Patch0: openssl-no-engine.patch
 
 
 BuildRequires: pkgconfig
@@ -28,13 +30,12 @@ BuildRequires: libyaml-devel
 BuildRequires: libzstd-devel
 BuildRequires: openssl
 
-%if 0%{?rhel} <= 9
+%if 0%{?fedora} || 0%{?rhel} <= 9
 BuildRequires: netcat
 %endif
 
-%if 0%{?fedora} >= 41
+%if 0%{?fedora} >= 41 && 0%{?fedora} < 45
 BuildRequires: openssl-devel-engine
-BuildRequires: netcat
 %endif
 
 %{?systemd_requires}

diff --git a/openssl-no-engine.patch b/openssl-no-engine.patch
new file mode 100644
index 0000000..0e11d34
--- /dev/null
+++ b/openssl-no-engine.patch
@@ -0,0 +1,57 @@
+From 0867fe505407feb73de9cb73010d7d03fa0d2123 Mon Sep 17 00:00:00 2001
+From: Yaakov Selkowitz <yselkowi@redhat.com>
+Date: Sun, 3 May 2026 16:19:42 -0400
+Subject: [PATCH] crypto: fix build with OPENSSL_NO_ENGINE
+
+ENGINE was deprecated in openssl 3.0 (and disabled in RHEL 10), and
+completely removed in 4.0.
+
+Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
+---
+ include/fluent-bit/flb_crypto.h | 2 ++
+ include/fluent-bit/flb_hash.h   | 2 ++
+ include/fluent-bit/flb_hmac.h   | 2 ++
+ 3 files changed, 6 insertions(+)
+
+diff --git a/include/fluent-bit/flb_crypto.h b/include/fluent-bit/flb_crypto.h
+index 3691cd8d1d9..a863e98d75c 100644
+--- a/include/fluent-bit/flb_crypto.h
++++ b/include/fluent-bit/flb_crypto.h
+@@ -24,7 +24,9 @@
+ #include <openssl/sha.h>
+ #include <openssl/evp.h>
+ #include <openssl/hmac.h>
++#ifndef OPENSSL_NO_ENGINE
+ #include <openssl/engine.h>
++#endif
+ #include <fluent-bit/flb_crypto_constants.h>
+ 
+ 
+diff --git a/include/fluent-bit/flb_hash.h b/include/fluent-bit/flb_hash.h
+index 8c1c7bdf25e..78e4f9e363d 100644
+--- a/include/fluent-bit/flb_hash.h
++++ b/include/fluent-bit/flb_hash.h
+@@ -51,7 +51,9 @@
+ #include <openssl/sha.h>
+ #include <openssl/evp.h>
+ #include <openssl/hmac.h>
++#ifndef OPENSSL_NO_ENGINE
+ #include <openssl/engine.h>
++#endif
+ #include <fluent-bit/flb_crypto_constants.h>
+ 
+ 
+diff --git a/include/fluent-bit/flb_hmac.h b/include/fluent-bit/flb_hmac.h
+index 73ad2439070..49fc4979017 100644
+--- a/include/fluent-bit/flb_hmac.h
++++ b/include/fluent-bit/flb_hmac.h
+@@ -23,7 +23,9 @@
+ #include <openssl/sha.h>
+ #include <openssl/evp.h>
+ #include <openssl/hmac.h>
++#ifndef OPENSSL_NO_ENGINE
+ #include <openssl/engine.h>
++#endif
+ #include <fluent-bit/flb_crypto_constants.h>
+ 
+ struct flb_hmac {