Makefile.am:
TESTS += test-pipe-filter-gi1.sh test-pipe-filter-gi2.sh
-TESTS_ENVIRONMENT += EXEEXT='@EXEEXT@' srcdir='$(srcdir)'
check_PROGRAMS += test-pipe-filter-gi1 test-pipe-filter-gi2-main test-pipe-filter-gi2-child
test_pipe_filter_gi1_LDADD = $(LDADD) @LIBINTL@
test_pipe_filter_gi2_main_LDADD = $(LDADD) @LIBINTL@