mupdf arm 交叉编译记录

最新推荐文章于 2025-04-24 10:11:09 发布

转载最新推荐文章于 2025-04-24 10:11:09 发布 · 604 阅读

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原文链接：http://www.cnblogs.com/pang1567/p/4083740.html

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#嵌入式 #操作系统

本文介绍了MuPDF的交叉编译过程，适用于ARM平台。详细步骤包括下载源码、配置交叉编译链、生成文件及最终编译。适用于希望在嵌入式设备上使用MuPDF的开发者。

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老板催着要开发板上pdf转位图的库，mupdf看了一下应该合适，网上没有交叉编译的资料，可能是太简单了，这里做个mupdf交叉编译的记录。

MuPDF is a Free and open source software library written in C that implements a PDF and XPS parsing and rendering engine. It is used primarily to render pages into bitmaps, but also provides support for other operations such as searching and listing the table of contents and hyperlinks.

可以去官网http://mupdf.com/downloads/选择mupdf-*-source.tar.gz版本下载源码。

将对应源码放在~/tmp目录下。解压，进入源码目录，看到源码下边有makefile和makerules，这里makefile是根据makerules来对源码进行配置和编译的。我们要交叉编译自然要设置交叉编译链。

查看makerules如下：

# Configuration for the Makefile

OS ?= $(shell uname)
OS := $(OS:MINGW%=MINGW)
OS := $(OS:Windows_NT=MINGW)
OS := $(OS:Darwin=MACOS)

# The following section is an example of how to simply do cross-compilation
# using these Makefiles. It builds for a beagleboard running ARM linux,
# compiling on windows with the CodeSourcery G++ compilers.
# Invoke this as:
#      make OS=beagle-cross build=release
# This does rely on the generated directory being populated with the cmap
# files etc first. Either:
#   1) do 'make generate' first (this relies on you having an appropriate host
#   base C compiler set up - such as you would have on unix or in windows
#   cygwin)
#   2) do a non cross compile build (e.g. windows in MSVC) first.
#   3) download the generated files from mupdf.com.

ifeq "$(OS)" "beagle-cross"
CC = arm-none-linux-gnueabi-gcc
LD = arm-none-linux-gnueabi-gcc
AR = arm-none-linux-gnueabi-ar
CFLAGS += -O3 -mfpu=neon -mcpu=cortex-a8 -mfloat-abi=softfp -ftree-vectorize -ffast-math -fsingle-precision-constant
CROSSCOMPILE=yes
endif

这里开始通过OS的值来确定编译链，然后中见的注释部分提示了如何设置OS的值来编译mupdf的源码，这里可以看到我们要用的交叉编译链是arm-none-linux-gnueabi-*，但是我的编译链是arm-arago-linux-gnueabi-*，因此修改之，将ifeq "$(OS)" "beagle-cross" 下边的三个none全部改为改为arago即可。

ifeq "$(OS)" "beagle-cross"
CC = arm-arago-linux-gnueabi-gcc
LD = arm-arago-linux-gnueabi-gcc
AR = arm-arago-linux-gnueabi-ar

执行

make OS=beagle-cross build=release

提示错误，重新看下makerules里边的注释，要求先执行make generate后，因此

make generate
make OS=beagle-cross build=release

静等即可在./bulid/release目录下边看到编译好的libmupdf.a

转载于:https://www.cnblogs.com/pang1567/p/4083740.html

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