我现在在 Mac 上构建了 pljava。pljava 使用 maven 和 maven nar 插件进行构建。这个 maven nar 构建当前正在创建一个 dylib 而不是 .so。看起来 postgres 想要一个 .so 代替。这是打开 postgres 跟踪的输出:
2014-09-26 10:12:59 EDT STATEMENT: CREATE FUNCTION sqlj.java_call_handler() RETURNS language_handler AS 'pljava' LANGUAGE C
2014-09-26 10:12:59 EDT DEBUG: bind <unnamed> to <unnamed>
2014-09-26 10:12:59 EDT LOG: execute <unnamed>: CREATE FUNCTION sqlj.java_call_handler() RETURNS language_handler AS 'pljava' LANGUAGE C
2014-09-26 10:12:59 EDT DEBUG: ProcessUtility
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/PostgreSQL/9.1/lib/postgresql/pljava"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/PostgreSQL/9.1/lib/pljava"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/PostgreSQL/9.1/share/pljava/pljava"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/Java/JavaVirtualMachines/jdk1.7.0_60.jdk/Contents/Home/jre/lib/pljava"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/Java/JavaVirtualMachines/jdk1.7.0_60.jdk/Contents/Home/jre/lib/server/pljava"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/PostgreSQL/9.1/lib/postgresql/pljava.so"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/PostgreSQL/9.1/lib/pljava.so"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/PostgreSQL/9.1/share/pljava/pljava.so"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/Java/JavaVirtualMachines/jdk1.7.0_60.jdk/Contents/Home/jre/lib/pljava.so"
2014-09-26 10:12:59 EDT DEBUG: find_in_dynamic_libpath: trying "/Library/Java/JavaVirtualMachines/jdk1.7.0_60.jdk/Contents/Home/jre/lib/server/pljava.so"
2014-09-26 10:12:59 EDT ERROR: could not access file "pljava": No such file or directory
所以我的问题是 - 如何让 maven nar 输出 .so 文件而不是 .dylib?如果我使用“shared”类型,则会创建一个 dylib,如果我使用“plugin”类型,则会创建一个 .bundle,如果我使用“static”类型,则链接会失败。