Merge pull request #7477 from Zexaron/ext-minizip

Externals: Add a stripped down version of minizip

CMakeLists.txt

@@ -562,6 +562,9 @@ else()
   add_subdirectory(Externals/zlib)
 endif()
 
+add_subdirectory(Externals/minizip)
+include_directories(External/minizip)
+
 if(NOT APPLE)
   check_lib(LZO "(no .pc for lzo2)" lzo2 lzo/lzo1x.h QUIET)
 endif()

Externals/minizip/CMakeLists.txt

@@ -0,0 +1,16 @@
+project(minizip C)
+
+set(SRCS ioapi.c unzip.c)
+
+add_definitions(-DNOUNCRYPT)
+if(UNIX)
+  add_definitions(-D__USE_FILE_OFFSET64)
+  add_definitions(-D__USE_LARGEFILE64)
+  add_definitions(-D_LARGEFILE64_SOURCE)
+  add_definitions(-D_FILE_OFFSET_BIT=64)
+endif()
+
+add_library(minizip STATIC ${SRCS})
+target_include_directories(minizip PUBLIC .)
+
+add_library(MiniZip::minizip ALIAS minizip)

Externals/minizip/LICENSE

@@ -0,0 +1,17 @@
+Condition of use and distribution are the same as zlib:
+
+This software is provided 'as-is', without any express or implied
+warranty.  In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+   claim that you wrote the original software. If you use this software
+   in a product, an acknowledgement in the product documentation would be
+   appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be
+   misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.

Externals/minizip/README

@@ -0,0 +1,2 @@
+Partial import from https://github.com/nmoinvaz/minizip
+Revision: b3713abe7722f1b779e7cdbd527c6208abbe1121