# Copyright © 2011-2013, 2019-2021 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 -I common/m4

# For Gnulib
MOSTLYCLEANFILES =
EXTRA_LTLIBRARIES =

AM_CPPFLAGS = -I$(top_builddir)/src -I$(top_srcdir)/src \
	-I$(top_builddir)/lib -I$(top_srcdir)/lib \
	-I$(top_builddir)/test \
	-DBISON_LOCALEDIR=\"$(BISON_LOCALEDIR)\" \
	-DLOCALEDIR=\"$(localedir)\"

AM_CFLAGS = $(GSL_CFLAGS)

MAINTAINERCLEANFILES = src/scan.c src/scan.h src/scan.stamp \
                       src/parse.c src/parse.h src/parse.stamp

DISTCLEANFILES =

CLEANFILES = src/validtypes.h src/namespecs.h src/ordspecs.h \
             test/typegen.h $(EXTRA_LTLIBRARIES)

EXTRA_DIST = bootstrap $(DX_BASEDIR)/scripts/fix-gnulib.pl m4/gnulib-cache.m4 \
             src/types.lst src/validtypes.sed src/specs.lst src/namespecs.sed \
             src/ordspecs.sed test/typegen.sh src/parse.y src/parse.stamp \
             src/scan.l src/scan.stamp COPYING.WTFPL2 README.md INSTALL

dist_man_MANS = doc/man/cdecl99.1 doc/man/libcdecl.3

include_HEADERS = src/cdecl.h
noinst_HEADERS = conf_pre.h conf_post.h src/scan.h src/parse.h \
                 test/declgen.h test/test.h

noinst_DATA = $(MOFILES)

lib_LTLIBRARIES = libcdecl.la
libcdecl_la_LDFLAGS = -export-symbols-regex '^cdecl_[[:lower:]]' \
                      -no-undefined
libcdecl_la_SOURCES = src/scan.c src/parse.c src/parse-decl.c src/typemap.c \
                      src/output.c src/explain.c src/declare.c src/i18n.c \
                      src/error.c src/normalize.c src/cdecl-internal.h \
                      src/errtab.h
libcdecl_la_LIBADD = libgnu.la $(LTLIBINTL) $(LTLIBTHREAD)
$(libcdecl_la_OBJECTS): $(gnulib_headers)

bin_PROGRAMS = cdecl99
cdecl99_SOURCES = src/commands.c src/cdecl99.h
cdecl99_LDADD = $(libmain_a_OBJECTS) $(libexec_a_OBJECTS) libcdecl.la \
                libgnu.la $(LTLIBICONV) $(LTLIBINTL) $(LTLIBREADLINE)
$(cdecl99_OBJECTS): $(gnulib_headers)
$(cdecl99_OBJECTS): src/options.h

EXTRA_LIBRARIES = libexec.a
libexec_a_SOURCES = src/execute.c src/commands.h
$(libexec_a_OBJECTS): $(gnulib_headers)
$(libexec_a_OBJECTS): src/commands.h src/cmdlist.h

EXTRA_LIBRARIES += libmain.a
libmain_a_SOURCES = src/cdecl99.c src/options.h
$(libmain_a_OBJECTS): $(gnulib_headers)
$(libmain_a_OBJECTS): src/options.h

check_PROGRAMS = test/crossparse
check_LTLIBRARIES = libtest.la
libtest_la_LIBADD = $(GSL_LIBS)
libtest_la_SOURCES = test/testlib.c
$(libtest_la_OBJECTS): $(gnulib_headers)

if HAVE_GSL
libtest_la_SOURCES += test/declgen.c
check_PROGRAMS += test/randomdecl
endif

test_crossparse_LDADD = libtest.la libcdecl.la libgnu.la
$(test_crossparse_OBJECTS): $(gnulib_headers)
test_randomdecl_LDADD = libtest.la libcdecl.la libgnu.la
$(test_randomdecl_OBJECTS): $(gnulib_headers)

src/parse.lo: src/scan.h
src/scan.lo: src/parse.h
src/parse-decl.lo: src/scan.h src/parse.h
src/typemap.lo: src/validtypes.h
src/error.lo: src/errtab.h
src/normalize.lo: src/ordspecs.h
src/output.lo: src/namespecs.h
test/declgen.lo: test/typegen.h

src/validtypes.h: $(srcdir)/src/types.lst $(srcdir)/src/validtypes.sed
	$(AM_V_GEN)sed -f $(srcdir)/src/validtypes.sed \
		< $(srcdir)/src/types.lst > $@.tmp
	$(AM_V_at)mv -f $@.tmp $@

src/namespecs.h: $(srcdir)/src/specs.lst $(srcdir)/src/namespecs.sed
	$(AM_V_GEN) sed -f $(srcdir)/src/namespecs.sed \
		< $(srcdir)/src/specs.lst > $@.tmp
	$(AM_V_at) mv -f $@.tmp $@

src/ordspecs.h: $(srcdir)/src/specs.lst $(srcdir)/src/ordspecs.sed
	$(AM_V_GEN) sed -f $(srcdir)/src/ordspecs.sed \
		< $(srcdir)/src/specs.lst > $@.tmp
	$(AM_V_at) mv -f $@.tmp $@

test/typegen.h: $(srcdir)/src/types.lst $(srcdir)/test/typegen.sh
	$(AM_V_GEN) $(SHELL) $(srcdir)/test/typegen.sh \
		< $(srcdir)/src/types.lst > $@.tmp
	$(AM_V_at)mv -f $@.tmp $@

# Supporting rules for gettext.
include $(top_srcdir)/common/snippet/gettext.mk

EXTRA_DIST += po/$(PACKAGE).pot
MAINTAINERCLEANFILES += po/$(PACKAGE).pot

XGETTEXT_OPTS = -D $(builddir) -D $(srcdir) --from-code=utf-8 \
	--add-comments=TRANSLATORS: --foreign-user \
	--package-name=$(PACKAGE) --package-version=$(PACKAGE_VERSION) \
	--msgid-bugs-address=$(PACKAGE_BUGREPORT) \
	--keyword=_ --keyword=N_ --keyword=PN_:1c,2

po/$(PACKAGE).pot: $(SOURCES)
	$(AM_V_at)  $(MKDIR_P) $(@D)
	$(AM_V_GEN) $(XGETTEXT) $(XGETTEXT_OPTS) -o $@.tmp $(SOURCES)
	$(AM_V_at)  mv -f $@.tmp $@

# These are required to prevent the builtin lex/yacc rules from
# superseding ours...
src/scan.c src/scan.h: src/scan.stamp
src/parse.c src/parse.h: src/parse.stamp

# The flex/bison rules refrain from updating unchanged headers for the
# convenience of developers, but the headers must be distributed with
# up-to-date timestamps, otherwise make will try to update them in a fresh
# VPATH build.
dist-hook: update-headers
update-headers: unfuck-distdir
	touch -c '$(distdir)/src/scan.h'
	touch -c '$(distdir)/src/parse.h'
.PHONY: update-headers

# 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
# manually 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 $(GITLOG_FLAGS) \
	    >'$(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 ":", $$0; exit 1 }' \
	    $(distdir)/ChangeLog || { \
	      echo 'ERROR: *** Packaged ChangeLog was not properly generated from git log.'; \
	      echo '       *** The source version was used instead, but this appears to'; \
	      echo '       *** be the stub from a git checkout.  The "git" and "perl"'; \
	      echo '       *** programs are required for ChangeLog generation to work.'; \
	      $(TEST_DISTRIBUTION_OR_ERROR); } >&2
	$(GENERIC_V) : 'CHECK   ' NEWS; \
	  $(AWK) 'NR == 1 && $$NF != "$(PACKAGE_VERSION):" \
	    { print FILENAME ":" NR ":", $$0; exit 1}' \
	    $(distdir)/NEWS || { \
	      echo 'ERROR: *** First line of NEWS should match the package version'; \
	      echo '       *** $(PACKAGE_VERSION), but that does not appear to be the case.'; \
	      echo '       *** Remember to update NEWS before preparing a release.'; \
	      $(TEST_DISTRIBUTION_OR_ERROR); } >&2

OPTFILES = src/options.opt
.opt.h:
	$(AM_V_GEN) $(AWK) -f $(DX_BASEDIR)/scripts/gen-options.awk $< >$@.tmp
	$(AM_V_at) mv -f $@.tmp $@
$(OPTFILES:.opt=.h): $(DX_BASEDIR)/scripts/gen-options.awk
MAINTAINERCLEANFILES += $(OPTFILES:.opt=.h)
EXTRA_DIST += $(DX_BASEDIR)/scripts/gen-options.awk $(OPTFILES)

STRFILES = src/commands.str src/errtab.str
.str.h:
	$(AM_V_GEN) $(AWK) -f $(DX_BASEDIR)/scripts/gen-strtab.awk $< >$@.tmp
	$(AM_V_at) mv -f $@.tmp $@
$(STRFILES:.str=.h): $(DX_BASEDIR)/scripts/gen-strtab.awk
MAINTAINERCLEANFILES += $(STRFILES:.str=.h)
EXTRA_DIST += $(DX_BASEDIR)/scripts/gen-strtab.awk $(STRFILES)

src/cmdlist.h: src/gen-cmdlist.awk src/execute.c
	$(AM_V_GEN) if test -f '$(builddir)/src/execute.c'; \
	  then f='$(builddir)/src/execute.c'; \
	  else f='$(srcdir)/src/execute.c'; \
	  fi; $(AWK) -f $(srcdir)/src/gen-cmdlist.awk "$$f" >$@.tmp
	$(AM_V_at) mv -f $@.tmp $@
DISTCLEANFILES += src/cmdlist.h
EXTRA_DIST += src/gen-cmdlist.awk

# Supporting rules for bison/flex.

BISON_V   = $(BISON_V_@AM_V@)
BISON_V_  = $(BISON_V_@AM_DEFAULT_V@)
BISON_V_0 = @printf '  %$(DX_ALIGN_V)s %s\n' 'BISON   ' $<;

FLEX_V   = $(FLEX_V_@AM_V@)
FLEX_V_  = $(FLEX_V_@AM_DEFAULT_V@)
FLEX_V_0 = @printf '  %$(DX_ALIGN_V)s %s\n' 'FLEX    ' $<;

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

.y.c: ;
.y.stamp:
if !HAVE_BISON
	$(BISON_V)tool=bison toolvar=BISON toolsrc=$<; $(DEV_TOOL_ERROR)
endif
	$(AM_V_at) touch $@.tmp
	$(BISON_V) $(BISON) $(BISON_COMPAT) -o $*.c --defines=$*.h.tmp $(BISONFLAGS) $<
	$(AM_V_at) if cmp $*.h.tmp $*.h >/dev/null 2>&1; then \
		rm -f $*.h.tmp; \
	else \
		mv -f $*.h.tmp $*.h; \
	fi
	$(AM_V_at) mv -f $@.tmp $@

.l.c: ;
.l.stamp:
if !HAVE_FLEX
	$(FLEX_V)tool=flex toolvar=FLEX toolsrc=$<; $(DEV_TOOL_ERROR)
endif
	$(AM_V_at) touch $@.tmp
	$(FLEX_V) $(FLEX) -o $*.c --header-file=$*.h.tmp $(FLEXFLAGS) $<
	$(AM_V_at) if cmp $*.h.tmp $*.h >/dev/null 2>&1; then \
		rm -f $*.h.tmp; \
	else \
		mv -f $*.h.tmp $*.h; \
	fi
	$(AM_V_at) mv -f $@.tmp $@

.stamp.c:
	@if test -f $@; then :; else \
		rm -f $<; \
		$(MAKE) $(AM_MAKEFLAGS) $<; \
	fi

.stamp.h:
	@if test -f $@; then :; else \
		rm -f $<; \
		$(MAKE) $(AM_MAKEFLAGS) $<; \
	fi

GPERFFILES = src/execute.gperf
.gperf.c:
	$(V_GPERF) $(GPERF) $< >$@.tmp
	$(AM_V_at) mv $@.tmp $@
MAINTAINERCLEANFILES += $(GPERFFILES:.gperf=.c)
EXTRA_DIST += $(GPERFFILES)

atlocal: config.status
	$(AM_V_GEN) :; { \
	  printf ': "$${%s=%s}"\n' \
	    EXEEXT '$(EXEEXT)' \
	    check_PROGRAMS '$(check_PROGRAMS)' \
	    ; } >$@.tmp
	$(AM_V_at) mv -f $@.tmp $@
check_DATA = atlocal
CLEANFILES += atlocal

include $(top_srcdir)/lib/gnulib.mk
include $(top_srcdir)/common/snippet/glconfig.mk
include $(top_srcdir)/common/snippet/autotest.mk