From aa187918541f8a4fbf0b7e50af652b74b9af47bf Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Sun, 11 Aug 2024 19:23:55 +0200
Subject: [PATCH] build: factor out FUSE loading

---
 CMakeLists.txt        | 19 ++-----------------
 cmake/need_fuse.cmake | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 17 deletions(-)
 create mode 100644 cmake/need_fuse.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 680953f8..6dbfc368 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -203,23 +203,6 @@ if(USE_JEMALLOC)
   pkg_check_modules(JEMALLOC IMPORTED_TARGET jemalloc>=${JEMALLOC_REQUIRED_VERSION})
 endif()
 
-if(WIN32)
-  if(NOT WINFSP_PATH)
-    set(WINFSP_PATH "C:/Program Files (x86)/WinFsp")
-  endif()
-  find_library(WINFSP winfsp-x64.lib "${WINFSP_PATH}/lib")
-  if (NOT WINFSP)
-    message(FATAL_ERROR "No WinFsp library found")
-  endif()
-else()
-  pkg_check_modules(FUSE IMPORTED_TARGET fuse>=2.9.9)
-  pkg_check_modules(FUSE3 IMPORTED_TARGET fuse3>=3.10.5)
-
-  if(NOT FUSE_FOUND AND NOT FUSE3_FOUND)
-    message(FATAL_ERROR "No FUSE or FUSE3 library found")
-  endif()
-endif()
-
 include(${CMAKE_SOURCE_DIR}/cmake/thrift_library.cmake)
 
 include(${CMAKE_SOURCE_DIR}/cmake/folly.cmake)
@@ -264,6 +247,8 @@ install(TARGETS mkdwarfs dwarfsck dwarfsextract RUNTIME DESTINATION bin)
 
 list(APPEND MAIN_TARGETS mkdwarfs_main dwarfsck_main dwarfsextract_main)
 
+include(${CMAKE_SOURCE_DIR}/cmake/need_fuse.cmake)
+
 if(FUSE3_FOUND OR WINFSP OR APPLE)
   add_library(dwarfs_main OBJECT tools/src/dwarfs_main.cpp)
   target_compile_definitions(dwarfs_main PRIVATE _FILE_OFFSET_BITS=64)
diff --git a/cmake/need_fuse.cmake b/cmake/need_fuse.cmake
new file mode 100644
index 00000000..b0a4e9cb
--- /dev/null
+++ b/cmake/need_fuse.cmake
@@ -0,0 +1,36 @@
+#
+# Copyright (c) Marcus Holland-Moritz
+#
+# This file is part of dwarfs.
+#
+# dwarfs is free software: you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version.
+#
+# dwarfs is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# dwarfs.  If not, see <https://www.gnu.org/licenses/>.
+#
+
+cmake_minimum_required(VERSION 3.28.0)
+
+if(WIN32)
+  if(NOT WINFSP_PATH)
+    set(WINFSP_PATH "C:/Program Files (x86)/WinFsp")
+  endif()
+  find_library(WINFSP winfsp-x64.lib "${WINFSP_PATH}/lib")
+  if (NOT WINFSP)
+    message(FATAL_ERROR "No WinFsp library found")
+  endif()
+else()
+  pkg_check_modules(FUSE IMPORTED_TARGET fuse>=2.9.9)
+  pkg_check_modules(FUSE3 IMPORTED_TARGET fuse3>=3.10.5)
+
+  if(NOT FUSE_FOUND AND NOT FUSE3_FOUND)
+    message(FATAL_ERROR "No FUSE or FUSE3 library found")
+  endif()
+endif()