-include config.mk

REGEX_SRC ?= text-regex.c

SRC = array.c buffer.c libutf.c main.c map.c register.c ring-buffer.c \
	sam.c text.c text-motions.c text-objects.c text-util.c \
	ui-curses.c view.c vis.c vis-lua.c vis-modes.c vis-motions.c \
	vis-operators.c vis-prompt.c vis-text-objects.c $(REGEX_SRC)

EXECUTABLES = vis vis-clipboard vis-complete vis-menu vis-open

MANUALS = $(EXECUTABLES:=.1)

# conditionally initialized, this is needed for standalone build
# with empty config.mk
PREFIX ?= /usr/local
SHAREPREFIX ?= ${PREFIX}/share
MANPREFIX ?= ${PREFIX}/man

VERSION = $(shell git describe --always --dirty 2>/dev/null || echo "0.2-git")

CONFIG_LUA ?= 1
CONFIG_LPEG ?= 0
CONFIG_TRE ?= 0
CONFIG_ACL ?= 0
CONFIG_SELINUX ?= 0

CFLAGS_STD ?= -std=c99 -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 -DNDEBUG
CFLAGS_STD += -DVERSION=\"${VERSION}\"
LDFLAGS_STD ?= -lc

CFLAGS_VIS = $(CFLAGS_AUTO) $(CFLAGS_TERMKEY) $(CFLAGS_CURSES) $(CFLAGS_ACL) \
	$(CFLAGS_SELINUX) $(CFLAGS_TRE) $(CFLAGS_LUA) $(CFLAGS_LPEG) $(CFLAGS_STD)

CFLAGS_VIS += -DVIS_PATH=\"${SHAREPREFIX}/vis\"
CFLAGS_VIS += -DCONFIG_LUA=${CONFIG_LUA}
CFLAGS_VIS += -DCONFIG_LPEG=${CONFIG_LPEG}
CFLAGS_VIS += -DCONFIG_TRE=${CONFIG_TRE}
CFLAGS_VIS += -DCONFIG_SELINUX=${CONFIG_SELINUX}
CFLAGS_VIS += -DCONFIG_ACL=${CONFIG_ACL}

LDFLAGS_VIS = $(LDFLAGS_AUTO) $(LDFLAGS_TERMKEY) $(LDFLAGS_CURSES) $(LDFLAGS_ACL) \
	$(LDFLAGS_SELINUX) $(LDFLAGS_TRE) $(LDFLAGS_LUA) $(LDFLAGS_LPEG) $(LDFLAGS_STD)

STRIP?=strip

all: vis vis-menu

config.h:
	cp config.def.h config.h

config.mk:
	@touch $@

vis: config.h config.mk *.c *.h
	${CC} ${CFLAGS} ${CFLAGS_VIS} ${CFLAGS_EXTRA} ${SRC} ${LDFLAGS} ${LDFLAGS_VIS} -o $@

vis-menu: vis-menu.c
	${CC} ${CFLAGS} ${CFLAGS_AUTO} ${CFLAGS_STD} ${CFLAGS_EXTRA} $< ${LDFLAGS} ${LDFLAGS_STD} ${LDFLAGS_AUTO} -o $@

debug: clean
	@$(MAKE) CFLAGS_EXTRA='${CFLAGS_EXTRA} ${CFLAGS_DEBUG}'

profile: clean
	@$(MAKE) CFLAGS_EXTRA='${CFLAGS_DEBUG} -pg'

coverage: clean
	@$(MAKE) CFLAGS_EXTRA='--coverage'

test-update:
	git submodule init
	git submodule update --remote --rebase

test:
	[ -e test/Makefile ] || $(MAKE) test-update
	@$(MAKE) -C test

clean:
	@echo cleaning
	@rm -f vis vis-menu vis-${VERSION}.tar.gz *.gcov *.gcda *.gcno

dist: clean
	@echo creating dist tarball
	@git archive --prefix=vis-${VERSION}/ -o vis-${VERSION}.tar.gz HEAD

man:
	@for m in ${MANUALS}; do \
		echo "Generating $$m"; \
		sed -e "s/VERSION/${VERSION}/" "man/$$m" | mandoc -W warning -T utf8 -T xhtml -O man=%N.%S.html -O style=mandoc.css 1> "man/$$m.html" || true; \
	done

luadoc:
	@cd lua/doc && ldoc . && sed -e "s/RELEASE/${VERSION}/" -i index.html

luadoc-all:
	@cd lua/doc && ldoc -a . && sed -e "s/RELEASE/${VERSION}/" -i index.html

install: vis vis-menu
	@echo stripping executable
	@${STRIP} vis
	@echo installing executable files to ${DESTDIR}${PREFIX}/bin
	@mkdir -p ${DESTDIR}${PREFIX}/bin
	@for e in ${EXECUTABLES}; do \
		cp -f "$$e" ${DESTDIR}${PREFIX}/bin && \
		chmod 755 ${DESTDIR}${PREFIX}/bin/"$$e"; \
	done
	@test ${CONFIG_LUA} -eq 0 || { \
		echo installing support files to ${DESTDIR}${SHAREPREFIX}/vis; \
		mkdir -p ${DESTDIR}${SHAREPREFIX}/vis; \
		cp -r lua/* ${DESTDIR}${SHAREPREFIX}/vis; \
		rm -rf "${DESTDIR}${SHAREPREFIX}/vis/doc"; \
	}
	@echo installing manual pages to ${DESTDIR}${MANPREFIX}/man1
	@mkdir -p ${DESTDIR}${MANPREFIX}/man1
	@for m in ${MANUALS}; do \
		sed -e "s/VERSION/${VERSION}/" < "man/$$m" >  "${DESTDIR}${MANPREFIX}/man1/$$m" && \
		chmod 644 "${DESTDIR}${MANPREFIX}/man1/$$m"; \
	done

uninstall:
	@echo removing executable file from ${DESTDIR}${PREFIX}/bin
	@for e in ${EXECUTABLES}; do \
		rm -f ${DESTDIR}${PREFIX}/bin/"$$e"; \
	done
	@echo removing manual pages from ${DESTDIR}${MANPREFIX}/man1
	@for m in ${MANUALS}; do \
		rm -f ${DESTDIR}${MANPREFIX}/man1/"$$m"; \
	done
	@echo removing support files from ${DESTDIR}${SHAREPREFIX}/vis
	@rm -rf ${DESTDIR}${SHAREPREFIX}/vis

.PHONY: all clean dist install uninstall debug profile coverage test test-update luadoc luadoc-all man