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This explains how Autoconf and Automake should be used to build a package with Chicken Scheme that conforms to the GNU Coding Standards. We will assume your program is the one for the second example of the Using the compiler section of the User's Manual.
This is just a draft, I expect to improve it in the future.
Your Makefile.am should contain a list of the programs that make up your package and their sources, as well as some additional rules explaining how to compile .scm files:
# A list of the programs we want to build: bin_PROGRAMS = foo # The sources for each program we define: foo_SOURCES = foo.scm bar.scm # The following line causes autoconf to become aware of the fact that .scm # files in the *_SOURCES lists should not be ignored: .scm.o: # The following lines defines a rule for GNU Make explaining how to build a # .o file from its associated .scm file: %.o: %.scm: csc -c $< -o $@ $(CHICKENFLAGS)
Compile time dependencies
If all your .scm files depend at compile time on some other files (which usually happens when you define macros), you'll want to define their dependency. To do that, change %.o: %.scm in your Makefile.am to %.o: %.scm macros.scm, where macros.scm is your compile-time dependency (you could include more than once).
If just a few of your .scm files depend at compile time on other files, you can just state the dependencies. For example:
This reads as foo.o should be rebuilt whenever macros.scm changes. You can, of course, include multiple of the above kind of lines and you can also include multiple dependencies in one single line.
The following should be the contents of your configure.in template:
dnl Process this file with autoconf to produce a configure script. dnl Use the name of an existing source file for your program here: AC_INIT(foo.scm) dnl Use the name and version of your package (which doesn't have to match dnl the names of your executables): AM_INIT_AUTOMAKE(foo, 1.0) AC_PREREQ(2.12) dnl Checks for programs. AC_PROG_CC AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_MAKE_SET dnl Test for presence of csc (we should probably bail out with error if dnl we fail to find it): AC_CHECK_PROG(CSC, csc, YES) AC_CHECK_PROG(CHICKEN, chicken, YES) dnl Use here any special flags you require. For example, if you want dnl R5RS macros, use "-require-extension syntax-case" AC_SUBST(CHICKENFLAGS,"") AC_OUTPUT(Makefile)
Checking for eggs
TODO: We should write some code that tests for the presence of an egg and, if not found, asks the user to install it and bails out.
Make sure to create the following files:
Then run (TODO: I still need to verify this is the correct order):
$ automake -a $ aclocal $ autoconf
It is ok for automake to print some warnings as it creates some missing files.
Voila, your package should be ready. At this point you can use ./configure with its standard parameteres such as --prefix. You can also use make dist to prepare a tarball with your package.