+# func_modules_transitive_closure_separately
+# Determine main module list and tests-related module list separately.
+# The main module list is the transitive closure of the specified modules,
+# ignoring tests modules. Its lib/* sources go into $sourcebase/. If --lgpl
+# is specified, it will consist only of LGPLed source.
+# The tests-related module list is the transitive closure of the specified
+# modules, including tests modules, minus the main module list excluding
+# modules of applicability 'all'. Its lib/* sources (brought in through
+# dependencies of *-tests modules) go into $testsbase/. It may contain GPLed
+# source, even if --lgpl is specified.
+# Input:
+# - local_gnulib_dir from --local-dir
+# - modcache true or false, from --cache-modules/--no-cache-modules
+# - specified_modules list of specified modules
+# - inctests true if tests should be included, false otherwise
+# - incobsolete true if obsolete modules among dependencies should be
+# included, blank otherwise
+# - inc_cxx_tests true if C++ interoperability tests should be included,
+# blank otherwise
+# - inc_longrunning_tests true if long-runnings tests should be included,
+# blank otherwise
+# - inc_privileged_tests true if tests that require root privileges should be
+# included, blank otherwise
+# - inc_unportable_tests true if tests that fail on some platforms should be
+# included, blank otherwise
+# - inc_all_direct_tests true if all kinds of problematic unit tests among
+# the unit tests of the specified modules should be
+# included, blank otherwise
+# - inc_all_indirect_tests true if all kinds of problematic unit tests among
+# the unit tests of the dependencies should be
+# included, blank otherwise
+# - excl_cxx_tests true if C++ interoperability tests should be excluded,
+# blank otherwise
+# - excl_longrunning_tests true if long-runnings tests should be excluded,
+# blank otherwise
+# - excl_privileged_tests true if tests that require root privileges should be
+# excluded, blank otherwise
+# - excl_unportable_tests true if tests that fail on some platforms should be
+# excluded, blank otherwise
+# - avoidlist list of modules to avoid
+# - cond_dependencies true if conditional dependencies shall be supported,
+# blank otherwise
+# - tmp pathname of a temporary directory
+# Output:
+# - main_modules list of modules, including dependencies
+# - testsrelated_modules list of tests-related modules, including dependencies
+# - conddep_dependers, conddep_condition information about conditionally
+# enabled modules
+func_modules_transitive_closure_separately ()
+{
+ # Determine main module list.
+ saved_inctests="$inctests"
+ inctests=false
+ modules="$specified_modules"
+ func_modules_transitive_closure
+ main_modules="$modules"
+ inctests="$saved_inctests"
+ if test $verbose -ge 1; then
+ echo "Main module list:"
+ echo "$main_modules" | sed -e 's/^/ /'
+ fi
+ # Determine tests-related module list.
+ echo "$final_modules" | LC_ALL=C sort -u > "$tmp"/final-modules
+ testsrelated_modules=`for module in $main_modules; do
+ if test \`func_get_applicability $module\` = main; then
+ echo $module
+ fi
+ done \
+ | LC_ALL=C sort -u | LC_ALL=C join -v 2 - "$tmp"/final-modules`
+ if test $verbose -ge 1; then
+ echo "Tests-related module list:"
+ echo "$testsrelated_modules" | sed -e 's/^/ /'
+ fi
+}
+
+# func_determine_use_libtests
+# Determines whether a $testsbase/libtests.a is needed.
+# Input:
+# - local_gnulib_dir from --local-dir
+# - modcache true or false, from --cache-modules/--no-cache-modules
+# - testsrelated_modules list of tests-related modules, including dependencies
+# Output:
+# - use_libtests true if a $testsbase/libtests.a is needed, false otherwise
+func_determine_use_libtests ()
+{
+ use_libtests=false
+ for module in $testsrelated_modules; do
+ func_verify_nontests_module
+ if test -n "$module"; then
+ all_files=`func_get_filelist $module`
+ # Test whether some file in $all_files lies in lib/.
+ for f in $all_files; do
+ case $f in
+ lib/*)
+ use_libtests=true
+ break 2
+ ;;
+ esac
+ done
+ fi
+ done
+}
+