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# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: (c) Copyright 2024,2025 Andrew Bower <andrew@bower.uk>
# Tunables
VERSION ?= 0.7.2
prefix ?= /usr/local
CFLAGS ?= -g -O2
# For zero dependencies, but no capabilities control, invoke with NO_CAP=1
# The rest
name := xchpst
CFLAGS += -MMD -MP \
-Wall -Wextra -Werror \
-std=c2x \
-D_GNU_SOURCE \
-DPROG_NAME=$(name) \
-DPROG_VERSION=$(VERSION) \
-DINST_PREFIX=$(prefix)
ifndef NO_CAP
LDLIBS = -lcap
else
CFLAGS += -DNO_CAP
endif
INSTALL = install
LN = ln -sf
DEP = $(wildcard *.d)
OBJS = xchpst.o options.o usrgrp.o env.o join.o rootfs.o mount.o \
precreate.o
ifndef NO_CAP
OBJS += caps.o
endif
bindir = $(DESTDIR)$(prefix)/bin
ALT_EXES = chpst softlimit envdir pgrphack setuidgid envuidgid setlock \
applyuidgid \
setuidgid-fromenv
.PHONY: all clean install
all: $(name) $(ALT_EXES)
-include $(DEP)
$(name): $(OBJS)
$(ALT_EXES) $(addprefix $(bindir)/,$(ALT_EXES)): $(name)
$(LN) $< $@
clean:
$(RM) $(name) $(OBJS) $(DEP) $(ALT_EXES) chpst.o
install:
$(INSTALL) -m 755 -D -t $(bindir) $(name)
$(INSTALL) -m 644 -D -t $(DESTDIR)$(prefix)/share/man/man8 $(name).8
install-extra: install $(addprefix $(bindir)/,$(ALT_EXES))
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