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- From 992a497e9c5c421d3931e02a01e9d7c159f27135 Mon Sep 17 00:00:00 2001
- From: Luca Ceresoli <luca@lucaceresoli.net>
- Date: Thu, 26 Nov 2015 12:49:10 +0100
- Subject: [PATCH] Add a CMakeFile.txt to ease cross-compilation
- Info-ZIP's UnZip 6.0 has a complex, hand-crafted Makefile with a
- companion configure script which try to support an extremely wide
- range of UNIX-like operating systems. The result is an overly complex
- mass of code that does not support cross-compilation in several ways.
- Zip 3.0 has a similar build system, and has as many as 6 patches in
- Buildroot to cross-compile [0]. UnZip fails at building even with
- these patches adapted and a few more on top of them.
- Instead of tweaking and fixing a huge and complex build system, skip
- it entirely and add a pretty simple CMakeLists.txt that cross-compiles
- smoothly using CMake. It also preserves all of the Buildroot-provided
- build options and flags as the original Makefile does.
- [0] http://git.buildroot.net/buildroot/tree/package/infozip?id=2015.11-rc3
- Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
- ---
- CMakeLists.txt | 17 +++++++++++++++++
- 1 file changed, 17 insertions(+)
- create mode 100644 CMakeLists.txt
- diff --git a/CMakeLists.txt b/CMakeLists.txt
- new file mode 100644
- index 0000000..27951b4
- --- /dev/null
- +++ b/CMakeLists.txt
- @@ -0,0 +1,17 @@
- +cmake_minimum_required(VERSION 2.8)
- +INCLUDE(CheckFunctionExists)
- +
- +project(unzip C)
- +
- +CHECK_FUNCTION_EXISTS(lchmod HAVE_LCHMOD)
- +if(NOT HAVE_LCHMOD)
- +add_definitions("-DNO_LCHMOD")
- +endif()
- +
- +set(UNZIP_SOURCES unzip.c crc32.c crypt.c envargs.c explode.c
- + extract.c fileio.c globals.c inflate.c list.c match.c process.c
- + ttyio.c ubz2err.c unreduce.c unshrink.c zipinfo.c unix/unix.c)
- +
- +include_directories(.)
- +add_executable(unzip ${UNZIP_SOURCES})
- +install(TARGETS unzip DESTINATION bin)
- --
- 1.9.1
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