安装自定义版本heroku和库路径问题
我正在尝试在heroku上安装自定义构建，因此我尝试使用buildpack安装第三部分。在我的.buildpacks文件中有：
https://github.com/ddollar/heroku-buildpack-apt
https://github.com/heroku/heroku-buildpack-python.git在我的Aptfile中，我有以下内容：libgeoip-dev，它是随requirements.txt (GeoIP==1.3.2)安装的geoip的先决条件。
以下是我的环境变量：
remote: C_INCLUDE_PATH is /app/.heroku/vendor/include:/app/.heroku/vendor/include:/app/.heroku/python/include
remote: CPATH is /tmp/build_xxxxx/.apt/usr/include:
remote: LD_LIBRARY_PATH is /app/.heroku/vendor/lib:/app/.heroku/vendor/lib:/app/.heroku/python/lib我得到的错误消息是：
remote: building 'GeoIP' extension
remote: creating build
remote: creating build/temp.linux-x86_64-2.7
remote: gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/app/.heroku/python/include/python2.7 -c py_GeoIP.c -o build/temp.linux-x86_64-2.7/py_GeoIP.o -fno-strict-aliasing
remote: creating build/lib.linux-x86_64-2.7
remote: gcc -pthread -shared build/temp.linux-x86_64-2.7/py_GeoIP.o -lGeoIP -o build/lib.linux-x86_64-2.7/GeoIP.so
remote: /usr/bin/ld: cannot find -lGeoIP
remote: collect2: error: ld returned 1 exit status
remote: error: command 'gcc' failed with exit status 1解决这个问题最聪明的方法是什么？也就是说，我想我不能改变包管理器的安装位置。有什么办法可以解决这个问题吗？
回答 2
Stack Overflow用户
发布于 2015-12-20 06:12:50
https://github.com/heroku/heroku-buildpack-python/blob/master/bin/compile#L99-L107
# Prepend proper path buildpack use.
export PATH=$BUILD_DIR/.heroku/python/bin:$BUILD_DIR/.heroku/vendor/bin:$PATH
export PYTHONUNBUFFERED=1
export LANG=en_US.UTF-8
export C_INCLUDE_PATH=/app/.heroku/vendor/include:$BUILD_DIR/.heroku/vendor/include:/app/.heroku/python/include
export CPLUS_INCLUDE_PATH=/app/.heroku/vendor/include:$BUILD_DIR/.heroku/vendor/include:/app/.heroku/python/include
export LIBRARY_PATH=/app/.heroku/vendor/lib:$BUILD_DIR/.heroku/vendor/lib:/app/.heroku/python/lib
export LD_LIBRARY_PATH=/app/.heroku/vendor/lib:$BUILD_DIR/.hero ku/vendor/lib:/app/.heroku/python/lib
export PKG_CONFIG_PATH=/app/.heroku/vendor/lib/pkg-config:$BUILD_DIR/.heroku/vendor/lib/pkg-config:/app/.heroku/python/lib/pkg-config与
https://github.com/ddollar/heroku-buildpack-apt/blob/master/bin/compile#L75-L81
export PATH="$BUILD_DIR/.apt/usr/bin:$PATH"
export LD_LIBRARY_PATH="$BUILD_DIR/.apt/usr/lib/x86_64-linux-gnu:$BUILD_DIR/.apt/usr/lib/i386-linux-gnu:$BUILD_DIR/.apt/usr/lib:$LD_LIBRARY_PATH"
export LIBRARY_PATH="$BUILD_DIR/.apt/usr/lib/x86_64-linux-gnu:$BUILD_DIR/.apt/usr/lib/i386-linux-gnu:$BUILD_DIR/.apt/usr/lib:$LIBRARY_PATH"
export INCLUDE_PATH="$BUILD_DIR/.apt/usr/include:$INCLUDE_PATH"
export CPATH="$INCLUDE_PATH"
export CPPPATH="$INCLUDE_PATH"
export PKG_CONFIG_PATH="$BUILD_DIR/.apt/usr/lib/x86_64-linux-gnu/pkgconfig:$BUILD_DIR/.apt/usr/lib/i386-linux-gnu/pkgconfig:$BUILD_DIR/.apt/usr/lib/pkgconfig:$PKG_CONFIG_PATH"heroku-buildpack-python构建包不能很好地使用heroku-buildpack-apt构建包，因为它破坏了gcc将geoip扩展与python库链接起来的重要变量。在问题跟踪器上提交一个bug。
问题跟踪器：https://github.com/heroku/heroku-buildpack-python/issues
Stack Overflow用户
发布于 2016-01-04 02:11:24
我天真地解决了类似的问题，修改了heroku-buildpack-python的编译脚本，不取消设置LD_LIBRARY_PATH和INCLUDE_PATH，并在导出过程中附加了当前的LD_LIBRARY_PATH和INCLUDE_PATH变量，这样就不会覆盖它们。
这是我的分支：https://github.com/jasrusable/heroku-buildpack-python
https://stackoverflow.com/questions/34220398
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