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Arm Compiler armlink User Guide : Specifying user libraries when linking

Specifying user libraries when linking

You can specify your own libraries when linking.

To specify user libraries, either:

  • Include them with path information explicitly in the input file list.
  • Add the --userlibpath option to the armlink command line with a comma-separated list of directories, and then specify the names of the libraries as input files.

You can use the --library=name option to specify static libraries, libname.a.

If you do not specify a full path name to a library on the command line, the linker tries to locate the library in the directories specified by the --userlibpath option. For example, if the directory /mylib contains my_lib.a and other_lib.a, add /mylib/my_lib.a to the input file list with the command:

armlink --userlibpath /mylib my_lib.a *.o

If you add a particular member from a library this does not add the library to the list of searchable libraries used by the linker. To load a specific member and add the library to the list of searchable libraries include the library filename on its own as well as specifying library(member). For example, to load strcmp.o and place mystring.lib on the searchable library list add the following to the input file list:

mystring.lib(strcmp.o) mystring.lib

Note

Any search paths used for the Arm® standard libraries specified by the linker command-line option --libpath are not searched for user libraries.
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