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