Ubuntu下编译安装OpenEXR

1)在OpenEXR官网上下载相关组件http://www.openexr.com/downloads.html。目前最新的稳定版本为：

ImlBase1.0.2 source code release

OpenEXR 1.7.0 source code release

在zlib官网上下载最新版本的zlib。http://zlib.net

Zlib 1.2.7 source code release

2）解压到相应的目录

sudo tar -zxvf ilmbase-1.0.2.tar.gz -C /usr/local/

sudo tar -zxvf openexr-1.7.0.tar.gz -C /usr/local/

sudo tar -zxvf zlib-1.2.7.tar.gz -C /usr/local/

3）编译安装IlmBase

安装C/C++编译器

sudo apt-get install gcc

gcc安装相关构建工具

apt-get install build-essential

cd /usr/local/ilmbase-1.0.2

sudo ./configure

sudo make

sudo make install

4）编译安装Zlib

cd /usr/local/zlib-1.2.7

sudo ./configure

sudo make

sudo make install

4）安装编译OpenEXR

sudo apt-get install gawk

cd /usr/local/openexr-1.7.0

sudo ./configure

sudo make

sudo make install

遇到问题及解决方案：

1）/usr/local/include/OpenEXR/ImathMatrix.h:1813:5:error: 'memset' was not declared in this scope

解决方法：

sudo chmod a+w /usr/local/include/OpenEXR/ImathMatrix.h

vi /usr/local/include/OpenEXR/ImathMatrix.h

在打开的文件中加入#include “string.h”，保存后退出。

2）blurImage.cpp:423:62:error: ‘memcpy’ was not declared in this scope

解决方法：

sudo chmod a+w /usr/local/openexr-1.7.0/exrenvmap/blurImage.cpp

vi /usr/local/openexr-1.7.0/exrenvmap/blurImage.cpp

在打开的文件中加入#include “string.h”，保存后退出。