Makefile


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PREFIX = /usr
LIB = /lib
DATA = /share
INCLUDE = /include
LICENSES = $(DATA)/licenses
PKGNAME = libpassphrase

OPTIONS = 
# PASSPHRASE_ECHO:      Do not hide the passphrase
# PASSPHRASE_STAR:      Use '*' for each character instead of no echo
# PASSPHRASE_REALLOC:   Soften security by using `realloc`
# PASSPHRASE_MOVE:      Enable move of point
# PASSPHRASE_INSERT:    Enable insert mode
# PASSPHRASE_OVERRIDE:  Enable override mode
# PASSPHRASE_DELETE:    Enable reversed erase command
# PASSPHRASE_CONTROL:   Enable use of control key combinations
# PASSPHRASE_DEDICATED: Enable use of dedicated keys
# DEFAULT_INSERT:       Use insert mode as default
# PASSPHRASE_INVALID:   Prevent duplication of non-initialised memory

OPTIMISE = -Os
CPPFLAGS = $(foreach D, $(OPTIONS), -D'$(D)=1')
CFLAGS = -std=gnu99 -Wall -Wextra -fPIC
LDFLAGS = -shared

CC_FLAGS = $(CPPFLAGS) $(CFLAGS) $(OPTIMISE)
LD_FLAGS = $(LDFLAGS) $(CFLAGS) $(OPTIMISE)

SRC = passphrase
OBJ = $(foreach S, $(SRC), obj/$(S).o)


.PHONY: all
all: libpassphrase doc


.PHONY: libpassphrase
libpassphrase: bin/libpassphrase.so

bin/libpassphrase.so: $(OBJ)
	@mkdir -p bin
	$(CC) $(LD_FLAGS) -o "$@" $^

obj/%.o: src/%.c src/%.h
	@mkdir -p "$(shell dirname "$@")"
	$(CC) $(CC_FLAGS) -o "$@" -c "$<"


.PHONY: doc
doc: info

.PHONY: info
info: libpassphrase.info.gz

%.info: info/%.texinfo
	makeinfo "$<"

%.gz: %
	gzip -9 < "$<" > "$@"


.PHONY: install
install: bin/libpassphrase.so libpassphrase.info.gz
	install -dm755 -- "$(DESTDIR)$(PREFIX)$(LIB)"
	install -dm755 -- "$(DESTDIR)$(PREFIX)$(INCLUDE)"
	install  -m755 -- bin/libpassphrase.so "$(DESTDIR)$(PREFIX)$(LIB)"
	install  -m755 -- src/passphrase.h "$(DESTDIR)$(PREFIX)$(INCLUDE)"
	install -dm755 -- "$(DESTDIR)$(PREFIX)$(LICENSES)/$(PKGNAME)"
	install  -m644 -- COPYING LICENSE "$(DESTDIR)$(PREFIX)$(LICENSES)/$(PKGNAME)"
	install -dm755 -- "$(DESTDIR)$(PREFIX)$(DATA)/info"
	install  -m644 -- libpassphrase.info.gz "$(DESTDIR)$(PREFIX)$(DATA)/info/$(PKGNAME).info.gz"


.PHONY: uninstall
uninstall:
	-rm -- "$(DESTDIR)$(PREFIX)$(LIB)/libpassphrase.so"
	-rm -- "$(DESTDIR)$(PREFIX)$(INCLUDE)/passphrase.h"
	-rm -- "$(DESTDIR)$(PREFIX)$(LICENSES)/$(PKGNAME)/COPYING"
	-rm -- "$(DESTDIR)$(PREFIX)$(LICENSES)/$(PKGNAME)/LICENSE"
	-rmdir -- "$(DESTDIR)$(PREFIX)$(LICENSES)/$(PKGNAME)"
	-rm -- "$(DESTDIR)$(PREFIX)$(DATA)/info/$(PKGNAME).info.gz"


.PHONY: clean
clean:
	-rm -r bin obj libpassphrase.info.gz