4 files changed, 0 insertions, 643 deletions

diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index 0c2c059a9..a76a3d800 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -93,13 +93,6 @@ endif()
 # Sirit
 add_subdirectory(sirit)
 
-# libzip
-find_package(libzip 1.5)
-if (NOT libzip_FOUND)
-    message(STATUS "libzip 1.5 or newer not found, falling back to externals")
-    add_subdirectory(libzip EXCLUDE_FROM_ALL)
-endif()
-
 if (ENABLE_WEB_SERVICE)
     find_package(OpenSSL 1.1)
     if (OPENSSL_FOUND)
diff --git a/externals/find-modules/Findlibzip.cmake b/externals/find-modules/Findlibzip.cmake
deleted file mode 100644
index 8934de3b8..000000000
--- a/externals/find-modules/Findlibzip.cmake
+++ /dev/null
@@ -1,72 +0,0 @@
-
-find_package(PkgConfig QUIET)
-pkg_check_modules(PC_libzip QUIET libzip)
-
-find_path(libzip_INCLUDE_DIR
-  NAMES zip.h
-  PATHS ${PC_libzip_INCLUDE_DIRS}
-  "$ENV{LIB_DIR}/include"
-  "$ENV{INCLUDE}"
-  /usr/local/include
-  /usr/include
-)
-find_path(libzip_INCLUDE_DIR_ZIPCONF
-  NAMES zipconf.h
-  HINTS ${PC_libzip_INCLUDE_DIRS}
-  "$ENV{LIB_DIR}/include"
-  "$ENV{LIB_DIR}/lib/libzip/include"
-  "$ENV{LIB}/lib/libzip/include"
-  /usr/local/lib/libzip/include
-  /usr/lib/libzip/include
-  /usr/local/include
-  /usr/include
-  "$ENV{INCLUDE}"
-)
-find_library(libzip_LIBRARY
-  NAMES zip
-  PATHS ${PC_libzip_LIBRARY_DIRS}
-  "$ENV{LIB_DIR}/lib" "$ENV{LIB}" /usr/local/lib /usr/lib
-)
-
-if (libzip_INCLUDE_DIR_ZIPCONF)
-  FILE(READ "${libzip_INCLUDE_DIR_ZIPCONF}/zipconf.h" _libzip_VERSION_CONTENTS)
-  if (_libzip_VERSION_CONTENTS)
-    STRING(REGEX REPLACE ".*#define LIBZIP_VERSION \"([0-9.]+)\".*" "\\1" libzip_VERSION "${_libzip_VERSION_CONTENTS}")
-  endif()
-  unset(_libzip_VERSION_CONTENTS)
-endif()
-
-set(libzip_VERSION ${libzip_VERSION} CACHE STRING "Version number of libzip")
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(libzip
-  FOUND_VAR libzip_FOUND
-  REQUIRED_VARS
-    libzip_LIBRARY
-    libzip_INCLUDE_DIR
-    libzip_INCLUDE_DIR_ZIPCONF
-    libzip_VERSION
-  VERSION_VAR libzip_VERSION
-)
-
-if(libzip_FOUND)
-  set(libzip_LIBRARIES ${libzip_LIBRARY})
-  set(libzip_INCLUDE_DIRS ${libzip_INCLUDE_DIR})
-  set(libzip_DEFINITIONS ${PC_libzip_CFLAGS_OTHER})
-endif()
-
-if(libzip_FOUND AND NOT TARGET libzip::libzip)
-  add_library(libzip::libzip UNKNOWN IMPORTED)
-  set_target_properties(libzip::libzip PROPERTIES
-    IMPORTED_LOCATION "${libzip_LIBRARY}"
-    INTERFACE_COMPILE_OPTIONS "${PC_libzip_CFLAGS_OTHER}"
-    INTERFACE_INCLUDE_DIRECTORIES "${libzip_INCLUDE_DIR}"
-  )
-endif()
-
-mark_as_advanced(
-    libzip_INCLUDE_DIR
-    libzip_INCLUDE_DIR_ZIPCONF
-    libzip_LIBRARY
-    libzip_VERSION
-)
diff --git a/externals/libzip/CMakeLists.txt b/externals/libzip/CMakeLists.txt
deleted file mode 100644
index ea5329fa0..000000000
--- a/externals/libzip/CMakeLists.txt
+++ /dev/null
@@ -1,564 +0,0 @@
-# TODO:
-# create usable libtool .la file
-
-CMAKE_MINIMUM_REQUIRED(VERSION 3.0.2)
-
-LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/libzip")
-
-PROJECT(libzip C)
-
-OPTION(ENABLE_COMMONCRYPTO "Enable use of CommonCrypto" ON)
-OPTION(ENABLE_GNUTLS "Enable use of GnuTLS" ON)
-OPTION(ENABLE_MBEDTLS "Enable use of mbed TLS" ON)
-OPTION(ENABLE_OPENSSL "Enable use of OpenSSL" ON)
-OPTION(ENABLE_WINDOWS_CRYPTO "Enable use of Windows cryptography libraries" ON)
-
-OPTION(ENABLE_BZIP2 "Enable use of BZip2" OFF)
-OPTION(ENABLE_LZMA "Enable use of LZMA" OFF)
-
-INCLUDE(CheckFunctionExists)
-INCLUDE(CheckIncludeFiles)
-INCLUDE(CheckSymbolExists)
-INCLUDE(CheckTypeSize)
-INCLUDE(CheckCSourceRuns)
-INCLUDE(CheckCSourceCompiles)
-INCLUDE(CheckStructHasMember)
-INCLUDE(TestBigEndian)
-INCLUDE(GNUInstallDirs)
-IF(ENABLE_COMMONCRYPTO)
-  CHECK_INCLUDE_FILES(CommonCrypto/CommonCrypto.h COMMONCRYPTO_FOUND)
-ELSE()
-  SET(COMMONCRYPTO_FOUND FALSE)
-ENDIF()
-IF(ENABLE_GNUTLS)
-  INCLUDE(FindNettle)
-  INCLUDE(FindGnuTLS)
-ELSE()
-  SET(GNUTLS_FOUND FALSE)
-ENDIF()
-IF(ENABLE_MBEDTLS)
-  FIND_PATH(MBEDTLS_INCLUDE_DIR mbedtls/aes.h)
-  FIND_LIBRARY(MBEDTLS_LIBRARIES NAMES mbedcrypto)
-ELSE()
-  SET(MBEDTLS_LIBRARIES FALSE)
-ENDIF()
-IF(ENABLE_OPENSSL)
-  INCLUDE(FindOpenSSL)
-ELSE()
-  SET(OPENSSL_FOUND FALSE)
-ENDIF()
-IF(WIN32)
-  IF(ENABLE_WINDOWS_CRYPTO)
-    SET(WINDOWS_CRYPTO_FOUND TRUE)
-  ENDIF()
-ELSE()
-  SET(WINDOWS_CRYPTO_FOUND FALSE)
-ENDIF()
-
-OPTION(BUILD_SHARED_LIBS "Build shared libraries" ON)
-OPTION(SHARED_LIB_VERSIONNING "Add SO version in .so build" ON)
-
-SET(PACKAGE "libzip")
-SET(PACKAGE_NAME ${PACKAGE})
-SET(PACKAGE_VERSION_MAJOR "1")
-SET(PACKAGE_VERSION_MINOR "5")
-SET(PACKAGE_VERSION_MICRO "2a")
-#SET(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}")
-SET(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}.${PACKAGE_VERSION_MICRO}")
-SET(PACKAGE_VERSION ${VERSION})
-SET(LIBZIP_VERSION ${PACKAGE_VERSION})
-SET(LIBZIP_VERSION_MAJOR ${PACKAGE_VERSION_MAJOR})
-SET(LIBZIP_VERSION_MINOR ${PACKAGE_VERSION_MINOR})
-SET(LIBZIP_VERSION_MICRO ${PACKAGE_VERSION_MICRO})
-SET(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
-
-SET(ARCHIVE_NAME ${PACKAGE_NAME}-${PACKAGE_VERSION})
-IF(NOT TARGET dist)
-ADD_CUSTOM_TARGET(dist
-  COMMAND git config tar.tar.xz.command "xz -c"
-  COMMAND git archive --prefix=${ARCHIVE_NAME}/ -o ${ARCHIVE_NAME}.tar.gz HEAD
-  COMMAND git archive --prefix=${ARCHIVE_NAME}/ -o ${ARCHIVE_NAME}.tar.xz HEAD
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-  )
-ADD_CUSTOM_TARGET(distcheck
-  COMMAND chmod -R u+w ${ARCHIVE_NAME} ${ARCHIVE_NAME}-build ${ARCHIVE_NAME}-dest 2>/dev/null || true
-  COMMAND rm -rf ${ARCHIVE_NAME} ${ARCHIVE_NAME}-build ${ARCHIVE_NAME}-dest
-  COMMAND cmake -E tar xf ${ARCHIVE_NAME}.tar.gz
-  COMMAND chmod -R u-w ${ARCHIVE_NAME}
-  COMMAND mkdir ${ARCHIVE_NAME}-build
-  COMMAND mkdir ${ARCHIVE_NAME}-dest
-  COMMAND cd ${ARCHIVE_NAME}-build && cmake -DCMAKE_INSTALL_PREFIX=../${ARCHIVE_NAME}-dest ../${ARCHIVE_NAME}
-  COMMAND cd ${ARCHIVE_NAME}-build && make -j4
-  COMMAND cd ${ARCHIVE_NAME}-build && make test
-  COMMAND cd ${ARCHIVE_NAME}-build && make install
-#  COMMAND cd ${ARCHIVE_NAME}-build && make uninstall
-#  COMMAND if [ `find ${ARCHIVE_NAME}-dest ! -type d | wc -l` -ne 0 ]; then echo leftover files in ${ARCHIVE_NAME}-dest; false; fi
-  COMMAND cd ${ARCHIVE_NAME}-build && make clean
-  COMMAND chmod -R u+w ${ARCHIVE_NAME} ${ARCHIVE_NAME}-build ${ARCHIVE_NAME}-dest
-  COMMAND rm -rf ${ARCHIVE_NAME} ${ARCHIVE_NAME}-build ${ARCHIVE_NAME}-dest
-  COMMAND echo "${ARCHIVE_NAME}.tar.gz is ready for distribution."
-  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-  )
-ADD_DEPENDENCIES(distcheck dist)
-ENDIF(NOT TARGET dist)
-
-IF(BUILD_SHARED_LIBS)
-  SET(HAVE_SHARED TRUE)
-ELSE()
-  SET(ZIP_STATIC TRUE)
-ENDIF()
-
-# Checks
-
-CHECK_FUNCTION_EXISTS(_chmod HAVE__CHMOD)
-CHECK_FUNCTION_EXISTS(_close HAVE__CLOSE)
-CHECK_FUNCTION_EXISTS(_dup HAVE__DUP)
-CHECK_FUNCTION_EXISTS(_fdopen HAVE__FDOPEN)
-CHECK_FUNCTION_EXISTS(_fileno HAVE__FILENO)
-CHECK_FUNCTION_EXISTS(_open HAVE__OPEN)
-CHECK_FUNCTION_EXISTS(_setmode HAVE__SETMODE)
-CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
-CHECK_FUNCTION_EXISTS(_strdup HAVE__STRDUP)
-CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
-CHECK_FUNCTION_EXISTS(_strtoi64 HAVE__STRTOI64)
-CHECK_FUNCTION_EXISTS(_strtoui64 HAVE__STRTOUI64)
-CHECK_FUNCTION_EXISTS(_unlink HAVE__UNLINK)
-CHECK_FUNCTION_EXISTS(arc4random HAVE_ARC4RANDOM)
-CHECK_FUNCTION_EXISTS(clonefile HAVE_CLONEFILE)
-CHECK_FUNCTION_EXISTS(explicit_bzero HAVE_EXPLICIT_BZERO)
-CHECK_FUNCTION_EXISTS(explicit_memset HAVE_EXPLICIT_MEMSET)
-CHECK_FUNCTION_EXISTS(fileno HAVE_FILENO)
-CHECK_FUNCTION_EXISTS(fseeko HAVE_FSEEKO)
-CHECK_FUNCTION_EXISTS(ftello HAVE_FTELLO)
-CHECK_FUNCTION_EXISTS(getprogname HAVE_GETPROGNAME)
-CHECK_FUNCTION_EXISTS(localtime_r HAVE_LOCALTIME_R)
-CHECK_FUNCTION_EXISTS(open HAVE_OPEN)
-CHECK_FUNCTION_EXISTS(setmode HAVE_SETMODE)
-CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
-CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
-CHECK_FUNCTION_EXISTS(strdup HAVE_STRDUP)
-CHECK_FUNCTION_EXISTS(stricmp HAVE_STRICMP)
-CHECK_FUNCTION_EXISTS(strtoll HAVE_STRTOLL)
-CHECK_FUNCTION_EXISTS(strtoull HAVE_STRTOULL)
-
-CHECK_INCLUDE_FILES("sys/types.h;sys/stat.h;fts.h" HAVE_FTS_H)
-CHECK_INCLUDE_FILES(stdbool.h HAVE_STDBOOL_H)
-CHECK_INCLUDE_FILES(strings.h HAVE_STRINGS_H)
-CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)
-
-CHECK_INCLUDE_FILES(inttypes.h HAVE_INTTYPES_H_LIBZIP)
-CHECK_INCLUDE_FILES(stdint.h HAVE_STDINT_H_LIBZIP)
-CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H_LIBZIP)
-
-# TODO: fix test
-# this test does not find __progname even when it exists
-#CHECK_SYMBOL_EXISTS(__progname stdlib.h HAVE___PROGNAME)
-
-CHECK_TYPE_SIZE(__int8 __INT8_LIBZIP)
-CHECK_TYPE_SIZE(int8_t INT8_T_LIBZIP)
-CHECK_TYPE_SIZE(uint8_t UINT8_T_LIBZIP)
-CHECK_TYPE_SIZE(__int16 __INT16_LIBZIP)
-CHECK_TYPE_SIZE(int16_t INT16_T_LIBZIP)
-CHECK_TYPE_SIZE(uint16_t UINT16_T_LIBZIP)
-CHECK_TYPE_SIZE(__int32 __INT32_LIBZIP)
-CHECK_TYPE_SIZE(int32_t INT32_T_LIBZIP)
-CHECK_TYPE_SIZE(uint32_t UINT32_T_LIBZIP)
-CHECK_TYPE_SIZE(__int64 __INT64_LIBZIP)
-CHECK_TYPE_SIZE(int64_t INT64_T_LIBZIP)
-CHECK_TYPE_SIZE(uint64_t UINT64_T_LIBZIP)
-CHECK_TYPE_SIZE("short" SHORT_LIBZIP)
-CHECK_TYPE_SIZE("int" INT_LIBZIP)
-CHECK_TYPE_SIZE("long" LONG_LIBZIP)
-CHECK_TYPE_SIZE("long long" LONG_LONG_LIBZIP)
-CHECK_TYPE_SIZE("off_t" SIZEOF_OFF_T)
-CHECK_TYPE_SIZE("size_t" SIZE_T_LIBZIP)
-CHECK_TYPE_SIZE("ssize_t" SSIZE_T_LIBZIP)
-
-CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h>
-#include <linux/fs.h>
-int main(int argc, char *argv[]) { unsigned long x = FICLONERANGE; }" HAVE_FICLONERANGE)
-
-CHECK_C_SOURCE_COMPILES("
-int foo(char * _Nullable bar);
-int main(int argc, char *argv[]) { }" HAVE_NULLABLE)
-
-TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
-
-#FIND_PACKAGE(ZLIB 1.1.2 REQUIRED)
-INCLUDE_DIRECTORIES(../zlib/zlib)
-SET(CMAKE_REQUIRED_INCLUDES ../zlib/zlib)
-
-IF(ENABLE_BZIP2)
-  FIND_PACKAGE(BZip2)
-  IF(BZIP2_FOUND)
-    SET (HAVE_LIBBZ2 1)
-
-    INCLUDE_DIRECTORIES(${BZIP2_INCLUDE_DIR})
-    SET (OPTIONAL_LIBRARY ${OPTIONAL_LIBRARY} ${BZIP2_LIBRARIES})
-  ELSE()
-    MESSAGE(WARNING "-- bzip2 library not found; bzip2 support disabled")
-  ENDIF(BZIP2_FOUND)
-ENDIF(ENABLE_BZIP2)
-
-IF(ENABLE_LZMA)
-  FIND_PACKAGE(LibLZMA)
-  IF(LIBLZMA_FOUND)
-    SET (HAVE_LIBLZMA 1)
-
-    INCLUDE_DIRECTORIES(${LIBLZMA_INCLUDE_DIR})
-    SET (OPTIONAL_LIBRARY ${OPTIONAL_LIBRARY} ${LIBLZMA_LIBRARY})
-  ELSE()
-    MESSAGE(WARNING "-- lzma library not found; lzma support disabled")
-  ENDIF(LIBLZMA_FOUND)
-ENDIF(ENABLE_LZMA)
-
-
-IF (COMMONCRYPTO_FOUND)
-  SET (HAVE_CRYPTO 1)
-  SET (HAVE_COMMONCRYPTO 1)
-ELSEIF (WINDOWS_CRYPTO_FOUND)
-  SET (HAVE_CRYPTO 1)
-  SET (HAVE_WINDOWS_CRYPTO 1)
-ELSEIF (GNUTLS_FOUND AND NETTLE_FOUND)
-  SET (HAVE_CRYPTO 1)
-  SET (HAVE_GNUTLS 1)
-  INCLUDE_DIRECTORIES(${GNUTLS_INCLUDE_DIR} ${NETTLE_INCLUDE_DIR})
-  SET (OPTIONAL_LIBRARY ${OPTIONAL_LIBRARY} ${GNUTLS_LIBRARY} ${NETTLE_LIBRARY})
-ELSEIF (OPENSSL_FOUND)
-  SET (HAVE_CRYPTO 1)
-  SET (HAVE_OPENSSL 1)
-  INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
-  SET (OPTIONAL_LIBRARY ${OPTIONAL_LIBRARY} ${OPENSSL_LIBRARIES})
-ELSEIF (MBEDTLS_LIBRARIES)
-  SET (HAVE_CRYPTO 1)
-  SET (HAVE_MBEDTLS 1)
-  INCLUDE_DIRECTORIES(${MBEDTLS_INCLUDE_DIR})
-  SET (OPTIONAL_LIBRARY ${OPTIONAL_LIBRARY} ${MBEDTLS_LIBRARIES})
-ENDIF()
-
-IF (NOT HAVE_CRYPTO)
-  MESSAGE(WARNING "-- neither Common Crypto, GnuTLS, mbed TLS, OpenSSL, nor Windows Cryptography found; AES support disabled")
-ENDIF()
-
-IF(MSVC)
-ADD_DEFINITIONS("-D_CRT_SECURE_NO_WARNINGS")
-ADD_DEFINITIONS("-D_CRT_NONSTDC_NO_DEPRECATE")
-ENDIF(MSVC)
-
-if(WIN32)
-  if(HAVE_WINDOWS_CRYPTO)
-    SET (OPTIONAL_LIBRARY ${OPTIONAL_LIBRARY} bcrypt)
-  endif()
-  if(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
-    ADD_DEFINITIONS(-DMS_UWP)
-  else(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
-    SET (OPTIONAL_LIBRARY ${OPTIONAL_LIBRARY} advapi32)
-  endif(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
-endif(WIN32)
-
-ADD_DEFINITIONS("-DHAVE_CONFIG_H")
-
-# rpath handling: use rpath in installed binaries
-IF(NOT CMAKE_SYSTEM_NAME MATCHES Linux)
-	SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
-	SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
-ENDIF()
-
-# fixed size integral types
-
-IF(HAVE_INTTYPES_H_LIBZIP)
-  SET(LIBZIP_TYPES_INCLUDE "#define __STDC_FORMAT_MACROS 1
-#include <inttypes.h>")
-ELSEIF(HAVE_STDINT_H_LIBZIP)
-  SET(LIBZIP_TYPES_INCLUDE "#include <stdint.h>")
-ELSEIF(HAVE_SYS_TYPES_H_LIBZIP)
-  SET(LIBZIP_TYPES_INCLUDE "#include <sys/types.h>")
-ENDIF()
-
-IF(HAVE_INT8_T_LIBZIP)
-  SET(ZIP_INT8_T int8_t)
-ELSEIF(HAVE___INT8_LIBZIP)
-  SET(ZIP_INT8_T __int8)
-ELSE()
-  SET(ZIP_INT8_T "signed char")
-ENDIF()
-
-IF(HAVE_UINT8_T_LIBZIP)
-  SET(ZIP_UINT8_T uint8_t)
-ELSEIF(HAVE___INT8_LIBZIP)
-  SET(ZIP_UINT8_T "unsigned __int8")
-ELSE()
-  SET(ZIP_UINT8_T "unsigned char")
-ENDIF()
-
-IF(HAVE_INT16_T_LIBZIP)
-  SET(ZIP_INT16_T int16_t)
-ELSEIF(HAVE___INT16_LIBZIP)
-  SET(INT16_T_LIBZIP __int16)
-ELSEIF(SHORT_LIBZIP EQUAL 2)
-  SET(INT16_T_LIBZIP short)
-ENDIF()
-
-IF(HAVE_UINT16_T_LIBZIP)
-  SET(ZIP_UINT16_T uint16_t)
-ELSEIF(HAVE___INT16_LIBZIP)
-  SET(UINT16_T_LIBZIP "unsigned __int16")
-ELSEIF(SHORT_LIBZIP EQUAL 2)
-  SET(UINT16_T_LIBZIP "unsigned short")
-ENDIF()
-
-IF(HAVE_INT32_T_LIBZIP)
-  SET(ZIP_INT32_T int32_t)
-ELSEIF(HAVE___INT32_LIBZIP)
-  SET(ZIP_INT32_T __int32)
-ELSEIF(INT_LIBZIP EQUAL 4)
-  SET(ZIP_INT32_T int)
-ELSEIF(LONG_LIBZIP EQUAL 4)
-  SET(ZIP_INT32_T long)
-ENDIF()
-
-IF(HAVE_UINT32_T_LIBZIP)
-SET(ZIP_UINT32_T uint32_t)
-ELSEIF(HAVE___INT32_LIBZIP)
-SET(ZIP_UINT32_T "unsigned __int32")
-ELSEIF(INT_LIBZIP EQUAL 4)
-SET(ZIP_UINT32_T "unsigned int")
-ELSEIF(LONG_LIBZIP EQUAL 4)
-SET(ZIP_UINT32_T "unsigned long")
-ENDIF()
-
-IF(HAVE_INT64_T_LIBZIP)
-  SET(ZIP_INT64_T int64_t)
-ELSEIF(HAVE___INT64_LIBZIP)
-  SET(ZIP_INT64_T __int64)
-ELSEIF(LONG_LIBZIP EQUAL 8)
-  SET(ZIP_INT64_T long)
-ELSEIF(LONG_LONG_LIBZIP EQUAL 8)
-  SET(ZIP_INT64_T "long long")
-ENDIF()
-
-IF(HAVE_UINT64_T_LIBZIP)
-  SET(ZIP_UINT64_T uint64_t)
-ELSEIF(HAVE___INT64_LIBZIP)
-  SET(ZIP_UINT64_T "unsigned __int64")
-ELSEIF(LONG_LIBZIP EQUAL 8)
-  SET(ZIP_UINT64_T "unsigned long")
-ELSEIF(LONG_LONG_LIBZIP EQUAL 8)
-  SET(ZIP_UINT64_T "unsigned long long")
-ENDIF()
-
-IF(HAVE_NULLABLE)
-  SET(ZIP_NULLABLE_DEFINES)
-ELSE()
-  SET(ZIP_NULLABLE_DEFINES "#define _Nullable
-#define _Nonnull")
-ENDIF()
-
-# write out config file
-CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libzip/cmake-config.h.in ${CMAKE_CURRENT_BINARY_DIR}/libzip/config.h)
-CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/libzip/cmake-zipconf.h.in ${CMAKE_CURRENT_BINARY_DIR}/libzip/zipconf.h)
-
-# installation
-INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libzip/zipconf.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-INSTALL(FILES libzip/lib/zip.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-
-SET(CMAKE_C_VISIBILITY_PRESET hidden)
-
-ADD_LIBRARY(zip
-  libzip/lib/zip_add.c
-  libzip/lib/zip_add_dir.c
-  libzip/lib/zip_add_entry.c
-  libzip/lib/zip_algorithm_deflate.c
-  libzip/lib/zip_buffer.c
-  libzip/lib/zip_close.c
-  libzip/lib/zip_delete.c
-  libzip/lib/zip_dir_add.c
-  libzip/lib/zip_dirent.c
-  libzip/lib/zip_discard.c
-  libzip/lib/zip_entry.c
-  libzip/lib/zip_err_str.c
-  libzip/lib/zip_error.c
-  libzip/lib/zip_error_clear.c
-  libzip/lib/zip_error_get.c
-  libzip/lib/zip_error_get_sys_type.c
-  libzip/lib/zip_error_strerror.c
-  libzip/lib/zip_error_to_str.c
-  libzip/lib/zip_extra_field.c
-  libzip/lib/zip_extra_field_api.c
-  libzip/lib/zip_fclose.c
-  libzip/lib/zip_fdopen.c
-  libzip/lib/zip_file_add.c
-  libzip/lib/zip_file_error_clear.c
-  libzip/lib/zip_file_error_get.c
-  libzip/lib/zip_file_get_comment.c
-  libzip/lib/zip_file_get_external_attributes.c
-  libzip/lib/zip_file_get_offset.c
-  libzip/lib/zip_file_rename.c
-  libzip/lib/zip_file_replace.c
-  libzip/lib/zip_file_set_comment.c
-  libzip/lib/zip_file_set_encryption.c
-  libzip/lib/zip_file_set_external_attributes.c
-  libzip/lib/zip_file_set_mtime.c
-  libzip/lib/zip_file_strerror.c
-  libzip/lib/zip_filerange_crc.c
-  libzip/lib/zip_fopen.c
-  libzip/lib/zip_fopen_encrypted.c
-  libzip/lib/zip_fopen_index.c
-  libzip/lib/zip_fopen_index_encrypted.c
-  libzip/lib/zip_fread.c
-  libzip/lib/zip_fseek.c
-  libzip/lib/zip_ftell.c
-  libzip/lib/zip_get_archive_comment.c
-  libzip/lib/zip_get_archive_flag.c
-  libzip/lib/zip_get_encryption_implementation.c
-  libzip/lib/zip_get_file_comment.c
-  libzip/lib/zip_get_name.c
-  libzip/lib/zip_get_num_entries.c
-  libzip/lib/zip_get_num_files.c
-  libzip/lib/zip_hash.c
-  libzip/lib/zip_io_util.c
-  libzip/lib/zip_libzip_version.c
-  libzip/lib/zip_memdup.c
-  libzip/lib/zip_name_locate.c
-  libzip/lib/zip_new.c
-  libzip/lib/zip_open.c
-  libzip/lib/zip_progress.c
-  libzip/lib/zip_rename.c
-  libzip/lib/zip_replace.c
-  libzip/lib/zip_set_archive_comment.c
-  libzip/lib/zip_set_archive_flag.c
-  libzip/lib/zip_set_default_password.c
-  libzip/lib/zip_set_file_comment.c
-  libzip/lib/zip_set_file_compression.c
-  libzip/lib/zip_set_name.c
-  libzip/lib/zip_source_accept_empty.c
-  libzip/lib/zip_source_begin_write.c
-  libzip/lib/zip_source_begin_write_cloning.c
-  libzip/lib/zip_source_buffer.c
-  libzip/lib/zip_source_call.c
-  libzip/lib/zip_source_close.c
-  libzip/lib/zip_source_commit_write.c
-  libzip/lib/zip_source_compress.c
-  libzip/lib/zip_source_crc.c
-  libzip/lib/zip_source_error.c
-  libzip/lib/zip_source_filep.c
-  libzip/lib/zip_source_free.c
-  libzip/lib/zip_source_function.c
-  libzip/lib/zip_source_get_compression_flags.c
-  libzip/lib/zip_source_is_deleted.c
-  libzip/lib/zip_source_layered.c
-  libzip/lib/zip_source_open.c
-  libzip/lib/zip_source_pkware.c
-  libzip/lib/zip_source_read.c
-  libzip/lib/zip_source_remove.c
-  libzip/lib/zip_source_rollback_write.c
-  libzip/lib/zip_source_seek.c
-  libzip/lib/zip_source_seek_write.c
-  libzip/lib/zip_source_stat.c
-  libzip/lib/zip_source_supports.c
-  libzip/lib/zip_source_tell.c
-  libzip/lib/zip_source_tell_write.c
-  libzip/lib/zip_source_window.c
-  libzip/lib/zip_source_write.c
-  libzip/lib/zip_source_zip.c
-  libzip/lib/zip_source_zip_new.c
-  libzip/lib/zip_stat.c
-  libzip/lib/zip_stat_index.c
-  libzip/lib/zip_stat_init.c
-  libzip/lib/zip_strerror.c
-  libzip/lib/zip_string.c
-  libzip/lib/zip_unchange.c
-  libzip/lib/zip_unchange_all.c
-  libzip/lib/zip_unchange_archive.c
-  libzip/lib/zip_unchange_data.c
-  libzip/lib/zip_utf-8.c
-)
-
-IF(WIN32)
-  target_sources(zip PRIVATE
-    libzip/lib/zip_source_win32handle.c
-    libzip/lib/zip_source_win32utf8.c
-    libzip/lib/zip_source_win32w.c
-  )
-  IF(CMAKE_SYSTEM_NAME MATCHES WindowsPhone OR CMAKE_SYSTEM_NAME MATCHES WindowsStore)
-  ELSE()
-    target_sources(zip PRIVATE libzip/lib/zip_source_win32a.c)
-  ENDIF()
-ELSE()
-  target_sources(zip PRIVATE
-    libzip/lib/zip_mkstempm.c
-    libzip/lib/zip_source_file.c
-    libzip/lib/zip_random_unix.c
-  )
-ENDIF()
-
-IF(HAVE_LIBBZ2)
-  target_sources(zip PRIVATE libzip/lib/zip_algorithm_bzip2.c)
-ENDIF()
-
-IF(HAVE_LIBLZMA)
-  target_sources(zip PRIVATE libzip/lib/zip_algorithm_xz.c)
-ENDIF()
-
-IF(HAVE_COMMONCRYPTO)
-  target_sources(zip PRIVATE libzip/lib/zip_crypto_commoncrypto.c)
-ELSEIF(HAVE_WINDOWS_CRYPTO)
-  target_sources(zip PRIVATE libzip/lib/zip_crypto_win.c)
-ELSEIF(HAVE_GNUTLS)
-  target_sources(zip PRIVATE libzip/lib/zip_crypto_gnutls.c)
-ELSEIF(HAVE_OPENSSL)
-  target_sources(zip PRIVATE libzip/lib/zip_crypto_openssl.c)
-ELSEIF(HAVE_MBEDTLS)
-  target_sources(zip PRIVATE libzip/lib/zip_crypto_mbedtls.c)
-ENDIF()
-
-IF(HAVE_CRYPTO)
-  target_sources(zip PRIVATE
-    libzip/lib/zip_winzip_aes.c
-    libzip/lib/zip_source_winzip_aes_decode.c
-    libzip/lib/zip_source_winzip_aes_encode.c
-  )
-ENDIF()
-
-target_include_directories(zip
-PUBLIC
-  libzip/lib
-  ${CMAKE_CURRENT_BINARY_DIR}/libzip
-)
-
-# pkgconfig file
-SET(prefix ${CMAKE_INSTALL_PREFIX})
-SET(exec_prefix \${prefix})
-SET(bindir \${exec_prefix}/${CMAKE_INSTALL_BINDIR})
-SET(libdir \${exec_prefix}/${CMAKE_INSTALL_LIBDIR})
-SET(includedir \${prefix}/${CMAKE_INSTALL_INCLUDEDIR})
-IF(CMAKE_SYSTEM_NAME MATCHES BSD)
-  SET(PKG_CONFIG_RPATH "-Wl,-R\${libdir}")
-ENDIF(CMAKE_SYSTEM_NAME MATCHES BSD)
-get_target_property(LIBS_PRIVATE zip LINK_LIBRARIES)
-foreach(LIB ${LIBS_PRIVATE})
-  if(LIB MATCHES "^/")
-    get_filename_component(LIB ${LIB} NAME_WE)
-    string(REGEX REPLACE "^lib" "" LIB ${LIB})
-  endif()
-  set(LIBS "${LIBS} -l${LIB}")
-endforeach()
-CONFIGURE_FILE(libzip/libzip.pc.in libzip/libzip.pc @ONLY)
-INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libzip.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
-
-ADD_CUSTOM_TARGET(update_zip_err_str
-  COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/libzip/lib/make_zip_err_str.sh ${CMAKE_CURRENT_SOURCE_DIR}/libzip/lib/zip.h ${CMAKE_CURRENT_SOURCE_DIR}/libzip/lib/zip_err_str.c
-  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/libzip/lib/zip.h ${CMAKE_CURRENT_SOURCE_DIR}/libzip/lib/make_zip_err_str.sh
-)
-
-IF(SHARED_LIB_VERSIONNING)
-SET_TARGET_PROPERTIES(zip PROPERTIES VERSION 5.0 SOVERSION 5)
-ENDIF()
-
-TARGET_LINK_LIBRARIES(zip ${ZLIB_LIBRARIES} ${OPTIONAL_LIBRARY})
-INSTALL(TARGETS zip
-  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-)
-
diff --git a/externals/libzip/libzip b/externals/libzip/libzip
deleted file mode 160000
-Subproject 89bd6d63bdea9da7627695f6c82e54f16d368b5