From 8088ba624435aef586be5a08cb60a7910a264451 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Mon, 25 Oct 2021 01:48:55 +0100
Subject: [PATCH] Override lzfse CMakeLists.txt.

---
 3rdparty/CMakeLists.txt |  5 ++-
 3rdparty/lzfse.cmake    | 84 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 1 deletion(-)
 create mode 100644 3rdparty/lzfse.cmake

diff --git a/3rdparty/CMakeLists.txt b/3rdparty/CMakeLists.txt
index 91f24db..60aeb27 100644
--- a/3rdparty/CMakeLists.txt
+++ b/3rdparty/CMakeLists.txt
@@ -2,7 +2,10 @@ cmake_policy(SET CMP0077 NEW)
 
 include(bzip2.cmake)
 
-#include(lzip.cmake)
+include(lzip.cmake)
+
+include(lzfse.cmake)
+
 #
 #set(LZFSE_BUNDLE_MODE ON)
 #add_subdirectory(lzfse)
diff --git a/3rdparty/lzfse.cmake b/3rdparty/lzfse.cmake
new file mode 100644
index 0000000..f81d9b1
--- /dev/null
+++ b/3rdparty/lzfse.cmake
@@ -0,0 +1,84 @@
+cmake_minimum_required(VERSION 2.8.12)
+
+project(lzfse C)
+message(STATUS "LZFSE VERSION: Unknown")
+
+include(CheckCCompilerFlag)
+
+# If LZFSE is being bundled in another project, we don't want to
+# install anything.  However, we want to let people override this, so
+# we'll use the LZFSE_BUNDLE_MODE variable to let them do that; just
+# set it to OFF in your project before you add_subdirectory(lzfse).
+get_directory_property(LZFSE_PARENT_DIRECTORY PARENT_DIRECTORY)
+if("${LZFSE_BUNDLE_MODE}" STREQUAL "")
+    # Bundled mode hasn't been set one way or the other, set the default
+    # depending on whether or not we are the top-level project.
+    if(LZFSE_PARENT_DIRECTORY)
+        set(LZFSE_BUNDLE_MODE ON)
+    else()
+        set(LZFSE_BUNDLE_MODE OFF)
+    endif(LZFSE_PARENT_DIRECTORY)
+endif()
+mark_as_advanced(LZFSE_BUNDLE_MODE)
+
+if (CMAKE_VERSION VERSION_GREATER 3.2)
+    cmake_policy (SET CMP0063 NEW)
+endif ()
+
+if (CMAKE_VERSION VERSION_GREATER 3.9)
+    cmake_policy (SET CMP0069 NEW)
+endif ()
+
+# Compiler flags
+function(lzfse_add_compiler_flags target)
+    set (flags ${ARGV})
+    list (REMOVE_AT flags 0)
+
+    foreach (FLAG ${flags})
+        if(CMAKE_C_COMPILER_ID STREQUAL GNU)
+            # Because https://gcc.gnu.org/wiki/FAQ#wnowarning
+            string(REGEX REPLACE "\\-Wno\\-(.+)" "-W\\1" flag_to_test "${FLAG}")
+        else()
+            set (flag_to_test ${FLAG})
+        endif()
+
+        string(REGEX REPLACE "[^a-zA-Z0-9]+" "_" test_name "CFLAG_${flag_to_test}")
+
+        check_c_compiler_flag("${flag_to_test}" "${test_name}")
+        if(${${test_name}})
+            set_property(TARGET "${target}" APPEND_STRING PROPERTY COMPILE_FLAGS " ${FLAG}")
+        endif()
+    endforeach()
+endfunction()
+
+if (ENABLE_SANITIZER)
+    set(CMAKE_C_FLAGS " ${CMAKE_C_FLAGS} -fsanitize=${ENABLE_SANITIZER}")
+    set(CMAKE_CXX_FLAGS " ${CMAKE_CXX_FLAGS} -fsanitize=${ENABLE_SANITIZER}")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=${ENABLE_SANITIZER}")
+endif ()
+
+set(LZFSE_SOURCES
+    src/lzfse_decode.c
+    src/lzfse_decode_base.c
+    src/lzfse_encode.c
+    src/lzfse_encode_base.c
+    src/lzfse_fse.c
+    src/lzvn_decode_base.c
+    src/lzvn_encode_base.c)
+
+list(TRANSFORM LZFSE_SOURCES PREPEND "lzfse/")
+
+add_library(lzfse ${LZFSE_SOURCES})
+lzfse_add_compiler_flags(lzfse -Wall -Wno-unknown-pragmas -Wno-unused-variable)
+
+
+if(CMAKE_VERSION VERSION_LESS 3.1 OR CMAKE_C_COMPLIER_ID STREQUAL "Intel")
+    lzfse_add_compiler_flags(lzfse -std=c99)
+else()
+    set_property(TARGET lzfse PROPERTY C_STANDARD 99)
+endif()
+
+set_target_properties(lzfse PROPERTIES
+                      POSITION_INDEPENDENT_CODE TRUE
+                      C_VISIBILITY_PRESET hidden
+                      INTERPROCEDURAL_OPTIMIZATION TRUE)