Makefile ldflags rpath software

The important implementation detail you have to be aware of is that the place where a library will be installed matters to libtool. Its silly not to, especially when make wont magically set those variables for you. In computing, rpath designates the runtime search path hardcoded in an executable file or. If you want to handle exporting from makefile, then try.

Control over rpath using todays compilers is often nearly impossible given lengthy and convoluted make 1 scripting. Different rpath settings may be required when running a program from. Currently meson does not provide a way to specify a custom rpath, it removes. The idea of using rpaths make it also for a nicer handling of binary. How do i force gcc to compile while actually honoring ldflags. Unfortunately, software developers who have nondefault library search paths often forget to supply the wl, rpath or r options in their makefiles, with the result that the code builds and runs at their sites, but not at end user sites. Please provide a userconfigurable, global way to specify rpath. You can do this easily with automake by using the programs qualified ldadd macro. The rpath option which is required for libtool libraries is automatically.

Ldflags are a convention with a c compiler for flags that should be passed to the loader part. In many cases you will want to make sure that the required libraries. You must use rpaths whenever youre trying to take precedence over a system library. I install custom versions of software and dependencies to custom directories to. With gnu autoconf, the normal condition is that prefix is the root of the file tree into which you install software locally, so the above command is fairly typical. Wiringpimakefile at master wiringpiwiringpi github. Old linuxsun used the above, which allows a user to direct any program to use any termcap. Ive included wl,rpath,homeaostermantoolssystemlib wl,rpath. Use make1 to build the shared libraries and the main program, and use the following. In your case, youre most likely going to want to add something like.

Libtool library support is implemented under the ltlibraries primary. For my own sanity, ive actually written up my build process in a makefile to build everything, which. I had to make following changes to srcgstplugin makefile in line 9 and 10, add libs flag. For libraries whose destination directory is known when automake runs, automake will automatically supply the appropriate rpath option to libtool.