https://bugs.gentoo.org/962944
https://github.com/dscharrer/innoextract/pull/199

From 882796e0e9b134b02deeaae4bbfe92920adb6fe2 Mon Sep 17 00:00:00 2001
From: Michael Cho <michael@michaelcho.dev>
Date: Mon, 11 Aug 2025 12:06:17 -0400
Subject: [PATCH] CMake: Fix build with Boost 1.89.0

---
 CMakeLists.txt | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69956105..dbbe0d34 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -173,13 +173,17 @@ else()
 	set(INNOEXTRACT_HAVE_LZMA 0)
 endif()
 
-find_package(Boost REQUIRED COMPONENTS
+set(BOOST_REQUIRED_COMPONENTS
 	iostreams
 	filesystem
 	date_time
-	system
 	program_options
 )
+find_package(Boost REQUIRED COMPONENTS ${BOOST_REQUIRED_COMPONENTS})
+if(Boost_MAJOR_VERSION EQUAL 1 AND Boost_MINOR_VERSION LESS 69)
+	list(APPEND BOOST_REQUIRED_COMPONENTS system)
+	find_package(Boost REQUIRED COMPONENTS ${BOOST_REQUIRED_COMPONENTS})
+endif()
 list(APPEND LIBRARIES ${Boost_LIBRARIES})
 link_directories(${Boost_LIBRARY_DIRS})
 include_directories(SYSTEM ${Boost_INCLUDE_DIR})