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# $Id$
## am/recurse.am: Makefile fragment to configure and build subdirs.
##
## 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).
# 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
cf_silent_1 =
CONFIG_AUX = $(recurse_top)subsubdir-conf.cmd
all-local: recurse
.PHONY: recurse
recurse: $(CONFIG_AUX)
@fail= failcom='exit 1'; \
for f in x $$MAKEFLAGS; do \
case $$f in \
*=* | --[!k]*);; \
*k*) failcom='fail=yes';; \
esac; \
done; \
list='$(CONF_SUBDIRS)'; for one_dir in $$list; do \
if test ! -f $$one_dir/Makefile; then \
test -d $$one_dir || $(MKDIR_P) $$one_dir; \
cmd=`cat $(CONFIG_AUX) | sed "s,auxdir/auxsub,$(recurse_this)$$one_dir,g"`; \
case " $(MAKE_SUBDIRS) " in \
*" $$one_dir "*) skip=;; \
*) skip=' --disable-build';; \
esac; \
(cd $$one_dir && echo "=== configuring in $$one_dir (`pwd`)" && \
if $(AM_V_P); then echo "make: running $(SHELL) $$cmd$$skip"; fi && \
CONFIG_SHELL=$(SHELL) && export CONFIG_SHELL && \
eval $(SHELL) $$cmd$$skip $(cf_silent) || \
{ echo "=== configuring in $$one_dir failed"; exit 1; }) && \
if test "x$$skip" = x; then \
echo "Making all in $$one_dir" && \
(cd $$one_dir && $(MAKE) $(AM_MAKEFLAGS) all); \
fi || eval $$failcom; \
fi; \
done; test -z "$$fail"
$(CONFIG_AUX):
@echo "configure in $(recurse_top)auxdir/auxsub failed to create the file $@"
exit 1
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