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passt/Makefile
Stefano Brivio 1a563a0cbd passt: Address gcc 11 warnings
A mix of unchecked return values, a missing permission mask for
open(2) with O_CREAT, and some false positives from
-Wstringop-overflow and -Wmaybe-uninitialized.

Reported-by: Martin Hauke <mardnh@gmx.de>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2021-10-20 08:29:30 +02:00

90 lines
2.7 KiB
Makefile

# SPDX-License-Identifier: AGPL-3.0-or-later
#
# PASST - Plug A Simple Socket Transport
# for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
CFLAGS += -Wall -Wextra -pedantic
CFLAGS += -DRLIMIT_STACK_VAL=$(shell ulimit -s)
CFLAGS += -DPAGE_SIZE=$(shell getconf PAGE_SIZE)
CFLAGS += -DNETNS_RUN_DIR=\"/run/netns\"
CFLAGS += -DPASST_AUDIT_ARCH=AUDIT_ARCH_$(shell uname -m | tr [a-z] [A-Z])
# On gcc 11.2, with -O2 and -flto, tcp_hash() and siphash_20b(), if inlined,
# seem to be hitting something similar to:
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78993
# from the pointer arithmetic used from the tcp_tap_handler() path to get the
# remote connection address.
ifeq ($(shell $(CC) -dumpversion),11)
ifneq (,$(filter -flto%,$(CFLAGS)))
ifneq (,$(filter -O2,$(CFLAGS)))
CFLAGS += -DTCP_HASH_NOINLINE
CFLAGS += -DSIPHASH_20B_NOINLINE
endif
endif
endif
prefix ?= /usr/local
all: passt pasta passt4netns qrap
avx2: CFLAGS += -Ofast -mavx2 -ftree-vectorize -funroll-loops
avx2: clean all
static: CFLAGS += -static -DGLIBC_NO_STATIC_NSS
static: clean all
seccomp.h: *.c $(filter-out seccomp.h,$(wildcard *.h))
@ ./seccomp.sh
passt: $(filter-out qrap.c,$(wildcard *.c)) \
$(filter-out qrap.h,$(wildcard *.h)) seccomp.h
$(CC) $(CFLAGS) $(filter-out qrap.c,$(wildcard *.c)) -o passt
pasta: passt
ln -s passt pasta
ln -s passt.1 pasta.1
passt4netns: passt
ln -s passt passt4netns
qrap: qrap.c passt.h
$(CC) $(CFLAGS) -DARCH=\"$(shell uname -m)\" \
qrap.c -o qrap
.PHONY: clean
clean:
-${RM} passt *.o seccomp.h qrap pasta pasta.1 passt4netns \
passt.tar passt.tar.gz *.deb *.rpm
install: passt pasta qrap
mkdir -p $(DESTDIR)$(prefix)/bin $(DESTDIR)$(prefix)/share/man/man1
cp -d passt pasta qrap $(DESTDIR)$(prefix)/bin
cp -d passt.1 pasta.1 qrap.1 $(DESTDIR)$(prefix)/share/man/man1
uninstall:
-${RM} $(DESTDIR)$(prefix)/bin/passt
-${RM} $(DESTDIR)$(prefix)/bin/pasta
-${RM} $(DESTDIR)$(prefix)/bin/qrap
-${RM} $(DESTDIR)$(prefix)/share/man/man1/passt.1
-${RM} $(DESTDIR)$(prefix)/share/man/man1/pasta.1
-${RM} $(DESTDIR)$(prefix)/share/man/man1/qrap.1
pkgs:
tar cf passt.tar -P --xform 's//\/usr\/bin\//' passt pasta qrap
tar rf passt.tar -P --xform 's//\/usr\/share\/man\/man1\//' \
passt.1 pasta.1 qrap.1
gzip passt.tar
EMAIL="sbrivio@redhat.com" fakeroot alien --to-deb \
--description="User-mode networking for VMs and namespaces" \
-k --version=$(shell git rev-parse --short HEAD) \
passt.tar.gz
fakeroot alien --to-rpm --target=$(shell uname -m) \
--description="User-mode networking for VMs and namespaces" \
-k --version=g$(shell git rev-parse --short HEAD) passt.tar.gz