Libtool library support is implemented under the `LTLIBRARIES' primary.
Here are some samples from the Automake `Makefile.am' in the libtool distribution's `demo' subdirectory.
First, to link a program against a libtool library, just use the `program_LDADD' variable:
bin_PROGRAMS = hell hell.static # Build hell from main.c and libhello.la hell_SOURCES = main.c hell_LDADD = libhello.la # Create a statically-linked version of hell. hell_static_SOURCES = main.c hell_static_LDADD = libhello.la hell_static_LDFLAGS = -static
You may use the `program_LDFLAGS' variable to stuff in any flags you want to pass to libtool while linking `program' (such as `-static' to create a statically-linked executable).
Building a libtool library is almost as trivial... note the use of `libhello_la_LDFLAGS' to pass the `-version-info' (see section Library interface versions) option to libtool:
# Build a libtool library, libhello.la for installation in libdir. lib_LTLIBRARIES = libhello.la libhello_la_SOURCES = hello.c foo.c libhello_la_LDFLAGS = -version-info 3:12:1
The `-rpath' option is passed automatically by Automake, so you should not specify it.
See section `The Automake Manual' in The Automake Manual, for more information.
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