mingw(gcc)编译openjpeg

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分类专栏： cmake jpeg 文章标签： gcc openjpeg 静态库编译 windows

于 2016-01-25 16:00:54 首次发布

本文链接：https://blog.youkuaiyun.com/10km/article/details/50580841

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本文详细介绍如何使用mingw(gcc)编译openjpeg库，包括配置编译环境、编译过程及安装步骤。适用于希望将openjpeg静态链接到项目的开发者。

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[openjpeg]¹是C语言实现的开源[jpeg2000]²图像格式的编码/解码器，github上有编译好的linux/windows二进制文件,目前最新的版本是2.1(https://github.com/uclouvain/openjpeg/releases/tag/version.2.1)
但官方提供的二进制文件只提供了dll,如果想要将代码静态编译到项目中需要自己下载源代码编译。

下载

原代码下载:https://github.com/uclouvain/openjpeg/archive/version.2.1.zip

编译环境要求

作者的编译环境是win7 x64平台，编译器是MinGW5.2.0，cmake版本是3.1.0，准备好以上环境就可以开始代码编译了。
如何安装mingw和cmake,网上有很多教程讲得很详细，这里不再细说。

编译

先将源码包解压到本地硬盘
D:\os.package\cpp\openjpeg\openjpeg-version.2.1

然后创建build目录

D:\os.package\cpp\openjpeg\openjpeg-version.2.1>cd D:\os.package\cpp\openjpeg
D:\os.package\cpp\openjpeg>mkdir openjpeg-version.2.1.prj
D:\os.package\cpp\openjpeg\openjpeg-version.2.1.prj>cmake -G “Eclipse CDT4 - MinGW Makefiles” -DBUILD_SHARED_LIBS=OFF -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=j:/openjpeg-windows-gcc-x86_64 -DCMAKE_GNUtoMS=ON …\openjpeg-ver
sion.2.1
– The C compiler identification is GNU 5.2.0
– Could not determine Eclipse version, assuming at least 3.6 (Helios). Adjust C
MAKE_ECLIPSE_VERSION if this is wrong.
– Check for working C compiler: P:/MinGW/mingw64/bin/gcc.exe
– Check for working C compiler: P:/MinGW/mingw64/bin/gcc.exe – works
– Detecting C compiler ABI info
– Detecting C compiler ABI info - done
– Detecting C compile features
– Detecting C compile features - done
– Check if the system is big endian
– Searching 16 bit integer
– Looking for sys/types.h
– Looking for sys/types.h - found
– Looking for stdint.h
– Looking for stdint.h - found
– Looking for stddef.h
– Looking for stddef.h - found
– Check size of unsigned short
– Check size of unsigned short - done
– Using unsigned short
– Check if the system is big endian - little endian
– Looking for string.h
– Looking for string.h - found
– Looking for memory.h
– Looking for memory.h - found
– Looking for stdlib.h
– Looking for stdlib.h - found
– Looking for stdio.h
– Looking for stdio.h - found
– Looking for math.h
– Looking for math.h - found
– Looking for float.h
– Looking for float.h - found
– Looking for time.h
– Looking for time.h - found
– Looking for stdarg.h
– Looking for stdarg.h - found
– Looking for ctype.h
– Looking for ctype.h - found
– Looking for assert.h
– Looking for assert.h - found
– Looking for stdint.h
– Looking for stdint.h - found
– Looking for inttypes.h
– Looking for inttypes.h - found
– Looking for strings.h
– Looking for strings.h - found
– Looking for sys/stat.h
– Looking for sys/stat.h - found
– Looking for unistd.h
– Looking for unistd.h - found
– Checking for 64-bit off_t
– Checking for 64-bit off_t - present with _FILE_OFFSET_BITS=64
– Checking for fseeko/ftello
– Checking for fseeko/ftello - present
– Large File support - found
– Could NOT find ZLIB (missing: ZLIB_INCLUDE_DIR)
– Z lib not found, activate BUILD_THIRDPARTY if you want build it (necessary to
build libPNG)
– Could NOT find TIFF (missing: TIFF_LIBRARY TIFF_INCLUDE_DIR)
– TIFF lib not found, activate BUILD_THIRDPARTY if you want build it
– Could NOT find LCMS2 (missing: LCMS2_LIBRARY LCMS2_INCLUDE_DIR)
– Could NOT find LCMS (missing: LCMS_LIBRARY LCMS_INCLUDE_DIR)
– LCMS2 or LCMS lib not found, activate BUILD_THIRDPARTY if you want build it
– Configuring done
– Generating done
– Build files have been written to: D:/os.package/cpp/openjpeg/openjpeg-version
.2.1.prj

在上面的执行cmake创建makefile时，定义了几个参数，含义如下：
-G “Eclipse CDT4 - MinGW Makefiles”
生成eclipse工程文件和MinGW格式的Makefiles
-DBUILD_SHARED_LIBS=OFF
指定创建静态链接库.lib，默认是ON,生成dll

openjpeg提供的CMakeList.txt不能同时创建静态库和动态库，所以你既想要静态库，又想到动态库的时候，就得修改这个参数，编译两次。
当生成动态库的时候，还可以参加参数 -DCMAKE_GNUtoMS=ON 生成MSVC格式的导入库(import library .lib文件)。这样MSVC就可以直接使用GCC编译的动态库了。参见我之前的博客[《cmake:让mingw(gcc)生成MSVC可用的dll(.lib)》]³

-DCMAKE_BUILD_TYPE=RELEASE
就是生成RELEASE，这个参数即使不定义，默认也是生成 RELEASE版本

-DCMAKE_INSTALL_PREFIX=j:/openjpeg-windows-gcc-x86
这个参数指定在执行make install时的安装路径。如果不指定默认是安装到"C:/Program Files (x86)/OPENJPEG"。

然后执行make

D:\os.package\cpp\openjpeg\openjpeg-version.2.1.prj>make
Scanning dependencies of target openjp2
[ 2%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/bio.c.obj
[ 5%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/cio.c.obj
[ 8%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/dwt.c.obj
[ 11%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/event.c.obj
[ 14%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/image.c.obj
[ 17%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/invert.c.obj
[ 20%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/j2k.c.obj
[ 22%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/jp2.c.obj
[ 25%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/mct.c.obj
[ 28%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/mqc.c.obj
[ 31%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/openjpeg.c.obj
[ 34%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/opj_clock.c.obj
[ 37%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/pi.c.obj
[ 40%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/raw.c.obj
[ 42%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/t1.c.obj
[ 45%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/t2.c.obj
[ 48%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/tcd.c.obj
[ 51%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/tgt.c.obj
[ 54%] Building C object src/lib/openjp2/CMakeFiles/openjp2.dir/function_list.c.obj
Linking C static library …\bin\libopenjp2.a
[ 54%] Built target openjp2
Scanning dependencies of target t1_generate_luts
[ 57%] Building C object src/lib/openjp2/CMakeFiles/t1_generate_luts.dir/t1_generate_luts.c.obj
Linking C executable …\bin\t1_generate_luts.exe
[ 57%] Built target t1_generate_luts
Scanning dependencies of target opj_compress
[ 60%] Building C object src/bin/jp2/CMakeFiles/opj_compress.dir/opj_compress.c.obj
[ 62%] Building C object src/bin/jp2/CMakeFiles/opj_compress.dir/convert.c.obj
[ 65%] Building C object src/bin/jp2/CMakeFiles/opj_compress.dir/index.c.obj
[ 68%] Building C object src/bin/jp2/CMakeFiles/opj_compress.dir//common/color.c.obj
[ 71%] Building C object src/bin/jp2/CMakeFiles/opj_compress.dir//common/opj_getopt.c.obj
Linking C executable …\bin\opj_compress.exe
[ 71%] Built target opj_compress
Scanning dependencies of target opj_decompress
[ 74%] Building C object src/bin/jp2/CMakeFiles/opj_decompress.dir/opj_decompress.c.obj
[ 77%] Building C object src/bin/jp2/CMakeFiles/opj_decompress.dir/convert.c.obj
[ 80%] Building C object src/bin/jp2/CMakeFiles/opj_decompress.dir/index.c.obj
[ 82%] Building C object src/bin/jp2/CMakeFiles/opj_decompress.dir//common/color.c.obj
[ 85%] Building C object src/bin/jp2/CMakeFiles/opj_decompress.dir//common/opj_getopt.c.obj
Linking C executable …\bin\opj_decompress.exe
[ 85%] Built target opj_decompress
Scanning dependencies of target opj_dump
[ 88%] Building C object src/bin/jp2/CMakeFiles/opj_dump.dir/opj_dump.c.obj
[ 91%] Building C object src/bin/jp2/CMakeFiles/opj_dump.dir/convert.c.obj
[ 94%] Building C object src/bin/jp2/CMakeFiles/opj_dump.dir/index.c.obj
[ 97%] Building C object src/bin/jp2/CMakeFiles/opj_dump.dir//common/color.c.obj
[100%] Building C object src/bin/jp2/CMakeFiles/opj_dump.dir//common/opj_getopt.c.obj
Linking C executable …\bin\opj_dump.exe
[100%] Built target opj_dump

安装

然后执行make install ,就会将生成的二进制文件自动复制到前面CMAKE_INSTALL_PREFIX指定的j:/openjpeg-windows-gcc-x86文件夹下，分为bin\include\lib三个子目录。

D:\os.package\cpp\openjpeg\openjpeg-version.2.1.prj>make install
[ 54%] Built target openjp2
[ 57%] Built target t1_generate_luts
[ 71%] Built target opj_compress
[ 85%] Built target opj_decompress
[100%] Built target opj_dump
Install the project…
– Install configuration: “RELEASE”
– Installing: j:/openjpeg-windows-gcc-x86_64/lib/openjpeg-2.1/OpenJPEGTargets.cmake
– Installing: j:/openjpeg-windows-gcc-x86_64/lib/openjpeg-2.1/OpenJPEGTargets-release.cmake
– Installing: j:/openjpeg-windows-gcc-x86_64/lib/openjpeg-2.1/OpenJPEGConfig.cmake
– Installing: j:/openjpeg-windows-gcc-x86_64/include/openjpeg-2.1/opj_config.h
– Installing: j:/openjpeg-windows-gcc-x86_64/lib/libopenjp2.a
– Installing: j:/openjpeg-windows-gcc-x86_64/include/openjpeg-2.1/openjpeg.h
– Installing: j:/openjpeg-windows-gcc-x86_64/include/openjpeg-2.1/opj_stdint.h
– Installing: j:/openjpeg-windows-gcc-x86_64/bin/opj_decompress.exe
– Installing: j:/openjpeg-windows-gcc-x86_64/bin/opj_compress.exe
– Installing: j:/openjpeg-windows-gcc-x86_64/bin/opj_dump.exe

因为我的操作系统是64的，所以生成的目标代码也是64位的,如果要生成32位的目标代码，需要安装32位的编译器就是(mingw32)。
可以去mingw官网下载(mingw-w64-install.exe),下载后运行在设置界面选择i686版本，就是mingw32的版本。
这里写图片描述
安装好之后，先执行下图安装路径中的mingw-w64.bat设置正确搜索路径(也可以手工把mingw32的bin路径直接设置到环境变量中，免去每次都执行mingw-w64.bat)

然后重复上面的所有步骤，就可以编译32位版本了。