From dc0cd6fcd98f802044445b4902e931d381e939df Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Mon, 3 Jul 2023 20:18:37 +0200
Subject: [PATCH] Remove local libarchive build (except for static builds)

---
 CMakeLists.txt            | 21 ---------------------
 CMakeLists.txt.libarchive | 18 ------------------
 2 files changed, 39 deletions(-)
 delete mode 100644 CMakeLists.txt.libarchive

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 390aae5c..c967f678 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,6 @@ option(WITH_BENCHMARKS "build with benchmarks" OFF)
 option(ENABLE_PERFMON "enable performance monitor in all tools" ON)
 if(WIN32)
   set(PREFER_SYSTEM_LIBFMT ON)
-  set(PREFER_SYSTEM_LIBARCHIVE ON)
   set(PREFER_SYSTEM_ZSTD ON)
   set(PREFER_SYSTEM_XXHASH ON)
 else()
@@ -41,7 +40,6 @@ else()
   option(ENABLE_COVERAGE "enable code coverage" OFF)
   option(USE_JEMALLOC "build with jemalloc" ON)
   option(PREFER_SYSTEM_LIBFMT "use system libfmt if available" OFF)
-  option(PREFER_SYSTEM_LIBARCHIVE "use system libarchive if available" OFF)
   option(PREFER_SYSTEM_ZSTD "use system zstd if available" OFF)
   option(PREFER_SYSTEM_XXHASH "use system xxHash if available" OFF)
   option(PREFER_SYSTEM_GTEST "use system gtest if available" OFF)
@@ -197,25 +195,6 @@ else()
   find_package(fmt 10.0 REQUIRED CONFIG PATHS "${CMAKE_CURRENT_BINARY_DIR}/fmtlib-install" NO_DEFAULT_PATH)
 endif()
 
-if(NOT PREFER_SYSTEM_LIBARCHIVE)
-  configure_file(CMakeLists.txt.libarchive libarchive-download/CMakeLists.txt)
-  execute_process(
-    COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
-    RESULT_VARIABLE result
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/libarchive-download)
-  if(result)
-    message(FATAL_ERROR "CMake step for libarchive failed: ${result}")
-  endif()
-  execute_process(
-    COMMAND ${CMAKE_COMMAND} --build .
-    RESULT_VARIABLE result
-    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/libarchive-download)
-  if(result)
-    message(FATAL_ERROR "Build step for libarchive failed: ${result}")
-  endif()
-  set(CMAKE_PREFIX_PATH "${CMAKE_CURRENT_BINARY_DIR}/libarchive-install;${CMAKE_PREFIX_PATH}")
-endif()
-
 list(APPEND DWARFS_BOOST_MODULES chrono iostreams program_options)
 
 if(WITH_PYTHON)
diff --git a/CMakeLists.txt.libarchive b/CMakeLists.txt.libarchive
deleted file mode 100644
index 6848941d..00000000
--- a/CMakeLists.txt.libarchive
+++ /dev/null
@@ -1,18 +0,0 @@
-cmake_minimum_required(VERSION 3.13.4)
-
-project(libarchive-download NONE)
-
-include(ExternalProject)
-
-ExternalProject_Add(
-  libarchive
-  PREFIX ${CMAKE_CURRENT_BINARY_DIR}/libarchive
-  GIT_REPOSITORY ${LIBARCHIVE_GIT_REPO}
-  GIT_TAG "v3.6.2"
-  CMAKE_ARGS -DCMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER}
-             -DCMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER}
-             -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_CURRENT_BINARY_DIR}/libarchive-install
-             -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-             -DENABLE_ICONV:BOOL=OFF
-             -DENABLE_LIBXML2:BOOL=OFF
-)