# Copyright © 2023 Nick Bowler
#
# License WTFPL2: Do What The Fuck You Want To Public License, version 2.
# This is free software: you are free to do what the fuck you want to.
# There is NO WARRANTY, to the extent permitted by law.

ACLOCAL_AMFLAGS = -I m4

AM_CPPFLAGS = -DIPUTILS_VERSION='PACKAGE_STRING,'

EXTRA_DIST = COPYING COPYING.WTFPL2 INSTALL README.md bootstrap

XSLTPROC_MAN = $(XSLTPROC) -o $@ --nonet \
               --stringparam man.output.quietly 1 \
               --stringparam funcsynopsis.style ansi \
               --stringparam man.th.extra1.suppress 1 \
               --stringparam iputils.version 'rarpd' \
               $(XSLTPROCFLAGS) $(srcdir)/doc/custom-man.xsl

DEV_TOOL_ERROR = { \
  echo "ERROR: *** $$tool is missing on your system."; \
  echo "       *** Because of this, I cannot compile $$toolsrc, but"; \
  echo "       *** (perhaps because you modified it) the sources appear out"; \
  echo "       *** of date.  If $$tool is installed but was not detected by"; \
  echo "       *** configure, consired setting $$toolvar and re-running configure."; \
  echo "       *** See config.log for more details."; } >&2; false

dist_man_MANS = doc/rarpd.8
.xml.8:
if !HAVE_XSLTPROC
	$(AM_V_GEN)tool=xsltproc toolvar=XSLTPROC toolsrc=$<; \
	  $(DEV_TOOL_ERROR)
endif
	$(AM_V_GEN) $(XSLTPROC_MAN) $<
$(dist_man_MANS): $(srcdir)/doc/custom-man.xsl
MAINTAINERCLEANFILES = $(dist_man_MANS)
EXTRA_DIST += $(dist_man_MANS:.8=.xml) $(srcdir)/doc/custom-man.xsl

sbin_PROGRAMS = rarpd
rarpd_SOURCES = src/rarpd.c src/iputils_common.c src/iputils_common.h

# When running "make dist" in a VPATH build with a read-only srcdir, Automake
# will produce a distribution with all files read-only.  Moreover, the files
# are read-only in distdir when the dist hooks are run.  This hook will fix
# up the permissions.  All dist hooks that modify files in distdir should list
# unfuck-distdir as a prerequisite.
dist-hook: unfuck-distdir
unfuck-distdir:
	find '$(distdir)' -type f -exec chmod u+w {} +
.PHONY: unfuck-distdir

GITLOG_FLAGS = --format='%s%n%n%b%n'

dist-hook: generate-changelog
generate-changelog: unfuck-distdir
	-: "$${GIT_DIR=$(top_srcdir)/.git}"; \
	  export GIT_DIR; test -d "$$GIT_DIR" || exit 0; { \
	    $(top_srcdir)/gitlog-to-changelog $(GITLOG_FLAGS) && \
	    echo && \
	    cat $(top_srcdir)/ChangeLog.iputils; \
	  } >$(distdir)/ChangeLog.gen && \
	  mv -f '$(distdir)/ChangeLog.gen' '$(distdir)/ChangeLog'
	rm -f '$(distdir)/ChangeLog.gen'
.PHONY: generate-changelog


GENERIC_V   = $(GENERIC_V_@AM_V@)
GENERIC_V_  = $(GENERIC_V_@AM_DEFAULT_V@)
GENERIC_V_0 = @printf '%2.0s%$(DX_ALIGN_V)s %s\n'

TEST_DISTRIBUTION = false
TEST_DISTRIBUTION_OR_ERROR = if $(TEST_DISTRIBUTION); \
  then echo 'Proceeding anyway...'; \
  else echo 'Run $(MAKE) TEST_DISTRIBUTION=true to ignore this failure.'; \
    false; \
  fi

distcheck-hook:
	$(GENERIC_V) : 'CHECK   ' ChangeLog; \
	  $(AWK) '/^Stub/ { print FILENAME ":" NR ":", $$0; exit 1 }' \
	    $(distdir)/ChangeLog || { \
	      echo 'ERROR: *** Packaged ChangeLog was not properly generated from git log.'; \
	      echo '       *** The source version was used instead, but this appears to'; \
	      echo '       *** be the stub from a git checkout.  The "git" and "perl"'; \
	      echo '       *** programs are required for ChangeLog generation to work.'; \
	      $(TEST_DISTRIBUTION_OR_ERROR); } >&2