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-rw-r--r--Build/source/am/recurse.am19
1 files changed, 11 insertions, 8 deletions
diff --git a/Build/source/am/recurse.am b/Build/source/am/recurse.am
index 158fb658655..3c6221a93db 100644
--- a/Build/source/am/recurse.am
+++ b/Build/source/am/recurse.am
@@ -1,16 +1,20 @@
+# $Id$
## am/recurse.am: Makefile fragment to configure and build subdirs.
##
-## Copyright (C) 2013 Peter Breitenlohner <tex-live@tug.org>
+## Copyright 2017 Karl Berry <tex-live@tug.org>
+## Copyright 2013 Peter Breitenlohner <tex-live@tug.org>
## You may freely use, modify and/or distribute this file.
-##
-## requires $(recurse_this) and $(recurse_top).
-##
-# We must configure all subdirs since 'make dist' needs the Makefile.
-# For those not required for the current set of configure options
+#
+# Requires $(recurse_this) and $(recurse_top).
+# Uses CONF_SUBDIRS and MAKE_SUBDIRS (set by kpse-setup.m4).
+#
+# For subdirs not required for the current set of configure options
# we append '--disable-build' so they can skip tests that would
# fail because, e.g., some required libraries were not built.
+# (By manually testing $enable_build in configure, e.g., dvisvgm/configure.)
+#
# Code inspired by automake's way to handle recursive targets.
-##
+#
cf_silent = $(cf_silent_@AM_V@)
cf_silent_ = $(cf_silent_@AM_DEFAULT_V@)
cf_silent_0 = --silent
@@ -52,4 +56,3 @@ recurse: $(CONFIG_AUX)
$(CONFIG_AUX):
@echo "configure in $(recurse_top)auxdir/auxsub failed to create the file $@"
exit 1
-