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PREFIX = /usr
LIB = /lib
INCLUDE = /include
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`
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: 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 "$<"
.PHONY: install
install: bin/libpassphrase.so
install -dm755 -- "$(DESTDIR)$(PREFIX)$(LIB)"
install -dm755 -- "$(DESTDIR)$(PREFIX)$(INCLUDE)"
install -m755 -- bin/libpassphrase.so "$(DESTDIR)$(PREFIX)$(LIB)"
install -m755 -- src/passphrase.h "$(DESTDIR)$(PREFIX)$(INCLUDE)"
.PHONY: uninstall
uninstall:
-rm -- "$(DESTDIR)$(PREFIX)$(LIB)/libpassphrase.so"
-rm -- "$(DESTDIR)$(PREFIX)$(INCLUDE)/passphrase.h"
.PHONY: clean
clean:
-rm -r bin obj
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