Fix test_project

Used the obsolete Makefile variable $(_f90_moddir), replaced with
explicit directories for the Fortran mod files for each target.

Also, added a library target as additional test

test_project/Makefile.am

@@ -7,14 +7,22 @@ bin_PROGRAMS = foo test_bar test_baz
 
 foo_SOURCES = src/foo.F90 src2/baz.F90 src/bar.F90
 foo_CPPFLAGS = -DPROGRAM_foo
-foo_FCFLAGS = $(FC_MODOUT)$(_f90_moddir)/foo $(FC_MODINC)$(_f90_moddir)/foo
+foo_FCFLAGS = $(FC_MODOUT)./fortran_mod_files/foo $(FC_MODINC)./fortran_mod_files/foo
 
 test_bar_SOURCES = src/bar.F90
 test_bar_CPPFLAGS = -DPROGRAM_test_bar
-test_bar_FCFLAGS = $(FC_MODOUT)$(_f90_moddir)/test_bar $(FC_MODINC)$(_f90_moddir)/test_bar
+test_bar_FCFLAGS = $(FC_MODOUT)./fortran_mod_files/test_bar $(FC_MODINC)./fortran_mod_files/test_bar
 
 test_baz_SOURCES = src2/baz.F90 src/bar.F90
 test_baz_CPPFLAGS = -DPROGRAM_test_baz
-test_baz_FCFLAGS = $(FC_MODOUT)$(_f90_moddir)/test_baz $(FC_MODINC)$(_f90_moddir)/test_baz
+test_baz_FCFLAGS = $(FC_MODOUT)./fortran_mod_files/test_baz $(FC_MODINC)./fortran_mod_files/test_baz
+
+# a library
+lib_LTLIBRARIES = libdings.la
+
+libdings_la_SOURCES = src2/baz.F90 src/bar.F90
+libdings_la_FCFLAGS = $(FC_MODOUT)./fortran_mod_files/libdings.la $(FC_MODINC)./fortran_mod_files/libdings.la
+
+CLEANFILES = fortran_mod_files/*/*
 
 @FORTRAN_MODULE_DEPS@

test_project/configure.ac

@@ -14,6 +14,7 @@ FDEP_F90_GNU_MAKE_DEPS
 AC_PROG_FC
 AC_PROG_INSTALL
 AM_PROG_CC_C_O
+AM_PROG_AR
 
 # fortran stuff
 AC_FC_MODULE_FLAG
@@ -30,3 +31,7 @@ AC_SUBST([FC_MODOUT])
 
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
+
+for target in foo test_bar test_baz libdings.la; do
+	mkdir -p fortran_mod_files/$target
+done