AM_CFLAGS = @STRICT_CFLAGS@

# we cannot set this as '%option header-file', since flex is called thru the
# ylwrap wrapper script, which runs in a temporary directory
AM_LFLAGS = --header-file=@abs_srcdir@/l2l_scanner.h

BUILT_SOURCES = l2l_features.h l2l_scanner.h

CLEANFILES = l2l_features.h l2l_scanner.c

l2l_scanner.h: l2l_scanner.c

# build this as a separate private library to be able to use different CFLAGS
noinst_LTLIBRARIES = libl2l_scanner.la
libl2l_scanner_la_SOURCES = l2l_scanner.l
libl2l_scanner_la_CFLAGS = -Wall -Werror \
		-Wno-unused-function -Wno-unused-variable \
		-D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600

include_HEADERS = l2l.h l2l_features.h
lib_LTLIBRARIES = libl2l.la

libl2l_la_SOURCES = l2l.c l2l.h l2l_features.h
libl2l_la_LDFLAGS = -version-info 0:0:0
libl2l_la_LIBADD = libl2l_scanner.la

bin_PROGRAMS = lm2latex

lm2latex_SOURCES = lm2latex.c l2l.h
lm2latex_CFLAGS = $(AM_CFLAGS) \
		-DBUILD_DATE="\"$$( date --utc '+%F %T' ) (UTC)\""
lm2latex_LDADD = libl2l.la

../version: FORCE
	@# As a side-effect, this updates ../version.
	@echo Building $(PACKAGE_NAME) version $$( cd .. && ./version-gen.sh )

l2l_features.h: l2l_features.h.in ../version
	source ../version; sed \
	    -e "s/@L2L_VERSION_MAJOR@/$$VERSION_MAJOR/g" \
	    -e "s/@L2L_VERSION_MINOR@/$$VERSION_MINOR/g" \
	    -e "s/@L2L_VERSION_PATCH@/$$VERSION_PATCH/g" \
	    -e "s/@L2L_VERSION_EXTRA@/$$VERSION_EXTRA/g" \
	    -e "s/@L2L_VERSION_STRING@/$$VERSION_STRING/g" \
	    l2l_features.h.in > l2l_features.h

all-local:
	@echo ""
	@echo "$(PACKAGE_NAME) built successfully."
	@echo ""
	@echo "Run 'make install' to install the software into $(prefix)."
	@echo ""

.PHONY: FORCE