Makefile

#	$OpenBSD: Makefile,v 1.7 2016/03/30 06:38:46 jmc Exp $

.PHONY: all clean test doc

PROG=	trep
SRCS=	binary.c file.c grep.c mmfile.c queue.c util.c \
		strtonum.c reallocarray.c fgetln.c fts.c \
		restrict_process_null.c \
		restrict_process_pledge.c \
		restrict_process_seccomp.c \
		restrict_process_capsicum.c \
		restrict_process_rlimit.c

UNAME_SYS := $(shell uname -s)
ifeq ($(UNAME_SYS), Linux)
	CFLAGS ?= -D_FORTIFY_SOURCE=2 -O2 -fstack-protector-strong \
						-DHAVE_QUEUE -DHAVE_FTS \
						-Wformat -Werror=format-security \
						-pie -fPIE \
					 	-fno-strict-aliasing
	LDFLAGS ?= -Wl,-z,relro,-z,now -Wl,-z,noexecstack
	RESTRICT_PROCESS ?= seccomp
else ifeq ($(UNAME_SYS), OpenBSD)
	CFLAGS ?= -DHAVE_STRTONUM -DHAVE_REALLOCARRAY -DHAVE_FGETLN \
						-DHAVE_QUEUE -DHAVE_FTS \
						-D_FORTIFY_SOURCE=2 -O2 -fstack-protector-strong \
						-Wformat -Werror=format-security \
						-pie -fPIE \
					 	-fno-strict-aliasing
	LDFLAGS ?= -Wl,-z,relro,-z,now -Wl,-z,noexecstack
	RESTRICT_PROCESS ?= pledge
else ifeq ($(UNAME_SYS), FreeBSD)
	CFLAGS ?= -DHAVE_STRTONUM -DHAVE_REALLOCARRAY -DHAVE_FGETLN \
						-DHAVE_QUEUE -DHAVE_FTS \
						-D_FORTIFY_SOURCE=2 -O2 -fstack-protector-strong \
						-Wformat -Werror=format-security \
						-pie -fPIE \
					 	-fno-strict-aliasing
	LDFLAGS ?= -Wl,-z,relro,-z,now -Wl,-z,noexecstack
	RESTRICT_PROCESS ?= capsicum
else ifeq ($(UNAME_SYS), Darwin)
	CFLAGS ?= -DHAVE_FGETLN \
						-DHAVE_QUEUE -DHAVE_FTS \
						-D_FORTIFY_SOURCE=2 -O2 -fstack-protector-strong \
						-Wformat -Werror=format-security \
						-pie -fPIE \
					 	-fno-strict-aliasing
	RESTRICT_PROCESS_RLIMIT_NOFILE ?= 4
endif

RESTRICT_PROCESS ?= rlimit
RESTRICT_PROCESS_RLIMIT_NOFILE ?= 0

TREP_CFLAGS ?= -g -Wall -Wextra -Wno-sign-compare -Wno-implicit-fallthrough -fwrapv
CFLAGS += $(TREP_CFLAGS) \
		  -DRESTRICT_PROCESS=\"$(RESTRICT_PROCESS)\" -DRESTRICT_PROCESS_$(RESTRICT_PROCESS) \
      -DRESTRICT_PROCESS_RLIMIT_NOFILE=$(RESTRICT_PROCESS_RLIMIT_NOFILE)

LDFLAGS += $(TREP_LDFLAGS)

all: $(PROG)

$(PROG):
	$(CC) -DNOZ $(CFLAGS) -o $(PROG) $(SRCS) $(LDFLAGS)

clean:
	-@$(RM) trep

test: $(PROG)
	@PATH=.:$(PATH) bats test

doc:
	groff -mandoc -Thtml trep.1 > trep.1.html
	pandoc -t markdown_github -o README.md trep.1.html