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lvm2/make.tmpl.in
Peter Rajnoha a65ab773b4 daemons: use PIE and RELRO compiler/linker options 
The PIE and RELRO compiler/linker options can be used to produce a code
some techniques applied that makes the code more immune to some attacks:

  - PIE (Position Independent Executable). It can make use of the ASLR
    (Address Space Layout Randomization) provided by kernel to avoid
    static locations for .text regions of executables (this is the 'pie'
    compiler and linker option)

  - RELRO (Relocation Read-Only). This prevents overwrite attacks of
    the GOT (Global Offset Table) and PLT (Procedure Lookup Table)
    used for relocations by making it read-only after all relocations
    are resolved (these are the 'relro' and 'now' linker options) -
    hence all symbols are resolved at the very start so there's no
    need for those tables to be writeable later.

These compiler/linker options are now used by default for daemons
if the compiler/linker supports it.
2013-12-04 13:30:08 +01:00

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# @configure_input@
#
# Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
# Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
#
# This file is part of LVM2.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
SHELL = /bin/sh
@SET_MAKE@
# Allow environment to override any built-in default value for CC.
# If there is a built-in default, CC is NOT set to @CC@ here.
CC ?= @CC@
# If $(CC) holds the usual built-in default value of 'cc' then replace it with
# the configured value.
# (To avoid this and force the use of 'cc' from the environment, supply its
# full path.)
ifeq ($(CC), cc)
CC = @CC@
endif
RANLIB = @RANLIB@
INSTALL = @INSTALL@
MKDIR_P = @MKDIR_P@
MSGFMT = @MSGFMT@
LCOV = @LCOV@
GENHTML = @GENHTML@
LN_S = @LN_S@
SED = @SED@
CFLOW_CMD = @CFLOW_CMD@
AWK = @AWK@
PYTHON = @PYTHON@
LIBS = @LIBS@
# Extra libraries always linked with static binaries
STATIC_LIBS = $(SELINUX_LIBS) $(UDEV_LIBS) $(BLKID_LIBS)
DEFS += @DEFS@
# FIXME set this only where it's needed, not globally?
CFLAGS += @CFLAGS@ @UDEV_CFLAGS@
CLDFLAGS += @CLDFLAGS@
ELDFLAGS += @ELDFLAGS@
LDDEPS += @LDDEPS@
LDFLAGS += @LDFLAGS@
LIB_SUFFIX = @LIB_SUFFIX@
LVMINTERNAL_LIBS = -llvm-internal $(DAEMON_LIBS) $(UDEV_LIBS) $(DL_LIBS) $(BLKID_LIBS)
DL_LIBS = @DL_LIBS@
PTHREAD_LIBS = @PTHREAD_LIBS@
READLINE_LIBS = @READLINE_LIBS@
SELINUX_LIBS = @SELINUX_LIBS@
UDEV_LIBS = @UDEV_LIBS@
BLKID_LIBS=@BLKID_LIBS@
TESTING = @TESTING@
# Setup directory variables
prefix = @prefix@
exec_prefix = @exec_prefix@
udev_prefix = @udev_prefix@
sysconfdir = @sysconfdir@
rootdir = $(DESTDIR)/
bindir = $(DESTDIR)@bindir@
confdir = $(DESTDIR)@CONFDIR@/lvm
includedir = $(DESTDIR)@includedir@
libdir = $(DESTDIR)@libdir@
usrlibdir = $(DESTDIR)@usrlibdir@
sbindir = $(DESTDIR)@sbindir@
usrsbindir = $(DESTDIR)@usrsbindir@
datarootdir = @datarootdir@
infodir = $(DESTDIR)@infodir@
mandir = $(DESTDIR)@mandir@
localedir = $(DESTDIR)@LOCALEDIR@
staticdir = $(DESTDIR)@STATICDIR@
udevdir = $(DESTDIR)@udevdir@
pkgconfigdir = $(usrlibdir)/pkgconfig
initdir = $(DESTDIR)$(sysconfdir)/rc.d/init.d
systemd_unit_dir = $(DESTDIR)@systemdsystemunitdir@
systemd_generator_dir = $(DESTDIR)@systemdutildir@/system-generators
tmpfiles_dir = $(DESTDIR)@tmpfilesdir@
ocf_scriptdir = $(DESTDIR)@OCFDIR@
pyexecdir = $(DESTDIR)$(prefix)
USRLIB_RELPATH = $(shell echo $(abspath $(usrlibdir) $(libdir)) | \
$(AWK) -f $(top_srcdir)/scripts/relpath.awk)
DEFAULT_SYS_DIR = @DEFAULT_SYS_DIR@
DEFAULT_ARCHIVE_DIR = $(DEFAULT_SYS_DIR)/@DEFAULT_ARCHIVE_SUBDIR@
DEFAULT_BACKUP_DIR = $(DEFAULT_SYS_DIR)/@DEFAULT_BACKUP_SUBDIR@
DEFAULT_CACHE_DIR = $(DEFAULT_SYS_DIR)/@DEFAULT_CACHE_SUBDIR@
DEFAULT_PROFILE_DIR = $(DEFAULT_SYS_DIR)/@DEFAULT_PROFILE_SUBDIR@
DEFAULT_LOCK_DIR = @DEFAULT_LOCK_DIR@
DEFAULT_RUN_DIR = @DEFAULT_RUN_DIR@
# Setup vpath search paths for some suffixes
vpath %.c $(srcdir)
vpath %.in $(srcdir)
vpath %.po $(srcdir)
vpath %.exported_symbols $(srcdir)
interface = @interface@
interfacebuilddir = $(top_builddir)/libdm/$(interface)
# The number of jobs to run, if blank, defaults to the make standard
ifndef MAKEFLAGS
MAKEFLAGS = @JOBS@
endif
# Handle installation of files
ifeq ("@WRITE_INSTALL@", "yes")
# leaving defaults
M_INSTALL_SCRIPT =
M_INSTALL_DATA = -m 644
else
M_INSTALL_PROGRAM = -m 555
M_INSTALL_DATA = -m 444
endif
INSTALL_PROGRAM = $(INSTALL) $(M_INSTALL_PROGRAM) $(STRIP)
INSTALL_DATA = $(INSTALL) -p $(M_INSTALL_DATA)
INSTALL_WDATA = $(INSTALL) -p -m 644
INSTALL_DIR = $(INSTALL) -m 755 -d
INSTALL_ROOT_DIR = $(INSTALL) -m 700 -d
INSTALL_ROOT_DATA = $(INSTALL) -m 600
INSTALL_SCRIPT = $(INSTALL) -p $(M_INSTALL_PROGRAM)
.SUFFIXES: .c .d .o .so .a .po .pot .mo .dylib
WFLAGS += -Wall -Wundef -Wshadow -Wcast-align -Wwrite-strings \
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
-Winline -Wmissing-noreturn -Wformat-security -Wredundant-decls \
-Wpointer-arith -Wuninitialized -Wmissing-include-dirs \
-Wfloat-equal -Wstrict-prototypes \
-Wold-style-definition -Wmissing-format-attribute
ifeq ("@HAVE_WJUMP@", "yes")
WFLAGS += -Wjump-misses-init
endif
ifeq ("@HAVE_WCLOBBERED@", "yes")
WFLAGS += -Wclobbered -Wempty-body -Wignored-qualifiers \
-Wmissing-parameter-type -Wold-style-declaration -Woverride-init \
-Wtype-limits -Wsync-nand -Wlogical-op
endif
ifneq ("@STATIC_LINK@", "yes")
ifeq ("@HAVE_PIE@", "yes")
ifeq ("@HAVE_FULL_RELRO@", "yes")
DAEMON_CFLAGS += -fPIE -DPIE
DAEMON_LDFLAGS += -Wl,-z,relro,-z,now -pie
endif
endif
endif
#WFLAGS += -W -Wno-sign-compare -Wno-unused-parameter -Wno-missing-field-initializers
#WFLAGS += -Wsign-compare -Wunused-parameter -Wmissing-field-initializers
#WFLAGS += -Wconversion -Wbad-function-cast -Wcast-qual -Waggregate-return -Wpacked
#WFLAGS += -pedantic -std=gnu99
#DEFS += -DDEBUG_CRC32
CFLAGS += -fPIC @COPTIMISE_FLAG@
LDFLAGS += @COPTIMISE_FLAG@
ifeq ("@DEBUG@", "yes")
CFLAGS += -g -fno-omit-frame-pointer
DEFS += -DDEBUG
# memory debugging is not thread-safe yet
ifneq ("@DMEVENTD@", "yes")
DEFS += -DDEBUG_MEM
endif
endif
ifeq ("@INTL@", "yes")
DEFS += -DINTL_PACKAGE=\"@INTL_PACKAGE@\" -DLOCALEDIR=\"@LOCALEDIR@\"
endif
LDFLAGS += -L$(top_builddir)/libdm -L$(top_builddir)/lib
CLDFLAGS += -L$(top_builddir)/libdm -L$(top_builddir)/lib
DAEMON_LIBS = -ldaemonclient
LDFLAGS += -L$(top_builddir)/libdaemon/client
CLDFLAGS += -L$(top_builddir)/libdaemon/client
ifeq ("@DMEVENTD@", "yes")
LDFLAGS += -L$(top_builddir)/daemons/dmeventd
CLDFLAGS += -L$(top_builddir)/daemons/dmeventd
endif
ifeq ("@DM_COMPAT@", "yes")
DEFS += -DDM_COMPAT
endif
ifeq ("@DM_IOCTLS@", "yes")
DEFS += -DDM_IOCTLS
endif
# Combination of DEBUG_POOL and DEBUG_ENFORCE_POOL_LOCKING is not suppored.
#DEFS += -DDEBUG_POOL
# Default pool locking is using the crc checksum. With mprotect memory
# enforcing compilation faulty memory write could be easily found.
#DEFS += -DDEBUG_ENFORCE_POOL_LOCKING
#DEFS += -DBOUNDS_CHECK
#CFLAGS += -pg
#LDFLAGS += -pg
STRIP=
#STRIP = -s
LVM_VERSION := $(shell cat $(top_srcdir)/VERSION)
LIB_VERSION_LVM := $(shell $(AWK) -F '.' '{printf "%s.%s",$$1,$$2}' $(top_srcdir)/VERSION)
LIB_VERSION_DM := $(shell $(AWK) -F '.' '{printf "%s.%s",$$1,$$2}' $(top_srcdir)/VERSION_DM)
LIB_VERSION_APP := $(shell $(AWK) -F '[(). ]' '{printf "%s.%s",$$1,$$4}' $(top_srcdir)/VERSION)
INCLUDES += -I. -I$(top_builddir)/include
INC_LNS = $(top_builddir)/include/.symlinks_created
DEPS = $(top_builddir)/make.tmpl $(top_srcdir)/VERSION \
$(top_builddir)/Makefile $(INC_LNS)
OBJECTS = $(SOURCES:%.c=%.o)
POTFILES = $(SOURCES:%.c=%.pot)
.PHONY: all pofile distclean clean cleandir cflow device-mapper
.PHONY: install install_cluster install_device-mapper install_lvm2
.PHONY: install_lib_shared install_dm_plugin install_lvm2_plugin
.PHONY: install_ocf help
.PHONY: python_bindings install_python_bindings
.PHONY: $(SUBDIRS) $(SUBDIRS.install) $(SUBDIRS.clean) $(SUBDIRS.distclean)
.PHONY: $(SUBDIRS.pofile) $(SUBDIRS.install_cluster) $(SUBDIRS.cflow)
.PHONY: $(SUBDIRS.device-mapper) $(SUBDIRS.install-device-mapper)
SUBDIRS.device-mapper := $(SUBDIRS:=.device-mapper)
SUBDIRS.install := $(SUBDIRS:=.install)
SUBDIRS.install_cluster := $(SUBDIRS:=.install_cluster)
SUBDIRS.install_device-mapper := $(SUBDIRS:=.install_device-mapper)
SUBDIRS.install_lvm2 := $(SUBDIRS:=.install_lvm2)
SUBDIRS.install_ocf := $(SUBDIRS:=.install_ocf)
SUBDIRS.pofile := $(SUBDIRS:=.pofile)
SUBDIRS.cflow := $(SUBDIRS:=.cflow)
SUBDIRS.clean := $(SUBDIRS:=.clean)
SUBDIRS.distclean := $(SUBDIRS:=.distclean)
TARGETS += $(LIB_SHARED) $(LIB_STATIC)
all: $(SUBDIRS) $(TARGETS)
install: all $(SUBDIRS.install)
install_cluster: all $(SUBDIRS.install_cluster)
install_device-mapper: $(SUBDIRS.install_device-mapper)
install_lvm2: $(SUBDIRS.install_lvm2)
install_ocf: $(SUBDIRS.install_ocf)
cflow: $(SUBDIRS.cflow)
$(SUBDIRS): $(SUBDIRS.device-mapper)
$(MAKE) -C $@
$(SUBDIRS.device-mapper):
$(MAKE) -C $(@:.device-mapper=) device-mapper
$(SUBDIRS.install): $(SUBDIRS)
$(MAKE) -C $(@:.install=) install
$(SUBDIRS.install_cluster): $(SUBDIRS)
$(MAKE) -C $(@:.install_cluster=) install_cluster
$(SUBDIRS.install_device-mapper): device-mapper
$(MAKE) -C $(@:.install_device-mapper=) install_device-mapper
$(SUBDIRS.install_lvm2): $(SUBDIRS)
$(MAKE) -C $(@:.install_lvm2=) install_lvm2
$(SUBDIRS.install_ocf):
$(MAKE) -C $(@:.install_ocf=) install_ocf
$(SUBDIRS.clean):
-$(MAKE) -C $(@:.clean=) clean
$(SUBDIRS.distclean):
-$(MAKE) -C $(@:.distclean=) distclean
$(SUBDIRS.cflow):
$(MAKE) -C $(@:.cflow=) cflow
ifeq ("@INTL@", "yes")
pofile: $(SUBDIRS.pofile) $(POTFILES)
$(SUBDIRS.pofile):
$(MAKE) -C $(@:.pofile=) pofile
endif
ifneq ("$(CFLOW_LIST_TARGET)", "")
CLEAN_CFLOW += $(CFLOW_LIST_TARGET)
$(CFLOW_LIST_TARGET): $(CFLOW_LIST)
echo "CFLOW_SOURCES += $(addprefix \
\$$(top_srcdir)$(subst $(top_srcdir),,$(srcdir))/, $(CFLOW_LIST))" > $@
cflow: $(CFLOW_LIST_TARGET)
endif
ifneq ("$(CFLOW_TARGET)", "")
CLEAN_CFLOW += \
$(CFLOW_TARGET).cflow \
$(CFLOW_TARGET).xref \
$(CFLOW_TARGET).tree \
$(CFLOW_TARGET).rtree \
$(CFLOW_TARGET).rxref
ifneq ("$(CFLOW_CMD)", "")
CFLOW_FLAGS +=\
--cpp="$(CC) -E" \
--symbol _ISbit:wrapper \
--symbol __attribute__:wrapper \
--symbol __const__:wrapper \
--symbol __const:type \
--symbol __restrict:type \
--symbol __extension__:wrapper \
--symbol __nonnull:wrapper \
--symbol __nothrow__:wrapper \
--symbol __pure__:wrapper \
--symbol __REDIRECT:wrapper \
--symbol __REDIRECT_NTH:wrapper \
--symbol __wur:wrapper \
-I$(top_srcdir)/libdm \
-I$(top_srcdir)/libdm/ioctl \
-I$(top_srcdir)/daemons/dmeventd/plugins/lvm2/ \
$(INCLUDES) $(DEFS)
$(CFLOW_TARGET).cflow: $(CFLOW_SOURCES)
$(CFLOW_CMD) -o$@ $(CFLOW_FLAGS) $(CFLOW_SOURCES)
$(CFLOW_TARGET).rxref: $(CFLOW_SOURCES)
$(CFLOW_CMD) -o$@ $(CFLOW_FLAGS) -r --omit-arguments $(CFLOW_SOURCES)
$(CFLOW_TARGET).tree: $(CFLOW_SOURCES)
$(CFLOW_CMD) -o$@ $(CFLOW_FLAGS) --omit-arguments -T -b $(CFLOW_SOURCES)
$(CFLOW_TARGET).xref: $(CFLOW_SOURCES)
$(CFLOW_CMD) -o$@ $(CFLOW_FLAGS) --omit-arguments -x $(CFLOW_SOURCES)
#$(CFLOW_TARGET).rtree: $(CFLOW_SOURCES)
# $(CFLOW_CMD) -o$@ $(CFLOW_FLAGS) -r --omit-arguments -T -b $(CFLOW_SOURCES)
cflow: $(CFLOW_TARGET).cflow $(CFLOW_TARGET).tree $(CFLOW_TARGET).rxref $(CFLOW_TARGET).xref
#$(CFLOW_TARGET).rtree
endif
endif
$(TARGETS): $(OBJECTS)
%.o: %.c
$(CC) -c $(INCLUDES) $(DEFS) $(WFLAGS) $(CFLAGS) $(CFLAGS_$@) $< -o $@
%.pot: %.c Makefile
$(CC) -E $(INCLUDES) -include $(top_srcdir)/include/pogen.h \
$(DEFS) $(WFLAGS) $(CFLAGS) $< > $@
%.so: %.o
$(CC) -c $(CFLAGS) $(CLDFLAGS) $< $(LIBS) -o $@
ifneq (,$(LIB_SHARED))
TARGETS += $(LIB_SHARED).$(LIB_VERSION)
$(LIB_SHARED).$(LIB_VERSION): $(OBJECTS) $(LDDEPS)
ifeq ("@LIB_SUFFIX@","so")
$(CC) -shared -Wl,-soname,$(notdir $@) \
$(CFLAGS) $(CLDFLAGS) $(OBJECTS) $(LIBS) -o $@
endif
ifeq ("@LIB_SUFFIX@","dylib")
$(CC) -dynamiclib -dylib_current_version,$(LIB_VERSION) \
$(CFLAGS) $(CLDFLAGS) $(OBJECTS) $(LIBS) -o $@
endif
$(LIB_SHARED): $(LIB_SHARED).$(LIB_VERSION)
$(LN_S) -f $(<F) $@
install_lib_shared: $(LIB_SHARED)
$(INSTALL_PROGRAM) -D $< $(libdir)/$(<F).$(LIB_VERSION)
$(INSTALL_DIR) $(usrlibdir)
$(LN_S) -f $(USRLIB_RELPATH)$(<F).$(LIB_VERSION) $(usrlibdir)/$(<F)
# FIXME: plugins are installed to subdirs
# and for compatibility links in libdir are created
# when the code is fixed links could be removed.
install_dm_plugin: $(LIB_SHARED)
$(INSTALL_PROGRAM) -D $< $(libdir)/device-mapper/$(<F)
$(LN_S) -f device-mapper/$(<F) $(libdir)/$(<F)
install_lvm2_plugin: $(LIB_SHARED)
$(INSTALL_PROGRAM) -D $< $(libdir)/lvm2/$(<F)
$(LN_S) -f lvm2/$(<F) $(libdir)/$(<F)
$(LN_S) -f $(<F) $(libdir)/$(<F).$(LIB_VERSION)
endif
$(LIB_STATIC): $(OBJECTS)
$(RM) $@
$(AR) rs $@ $(OBJECTS)
%.d: %.c
$(MKDIR_P) $(dir $@); \
set -e; \
FILE=`echo $@ | sed 's/\\//\\\\\\//g;s/\\.d//g'`; \
DEPS=`echo $(DEPS) | sed -e 's/\\//\\\\\\//g'`; \
$(CC) -MM $(INCLUDES) $(DEFS) -o $@ $<; \
sed -i "s/\(.*\)\.o[ :]*/$$FILE.o $$FILE.d $$FILE.pot: $$DEPS /g" $@; \
[ -s $@ ] || $(RM) $@
%.mo: %.po
$(MSGFMT) -o $@ $<
cleandir:
$(RM) $(OBJECTS) $(TARGETS) $(CLEAN_TARGETS) $(CLEAN_CFLOW) $(LDDEPS) \
$(POTFILES) $(SOURCES:%.c=%.d) $(SOURCES:%.c=%.gcno) $(SOURCES:%.c=%.gcda) \
$(SOURCES2:%.c=%.o) $(SOURCES2:%.c=%.d) $(SOURCES2:%.c=%.gcno) $(SOURCES2:%.c=%.gcda) \
.exported_symbols_generated core
clean: $(SUBDIRS.clean) cleandir
distclean: cleandir $(SUBDIRS.distclean)
test -z "$(DISTCLEAN_DIRS)" || $(RM) -r $(DISTCLEAN_DIRS)
$(RM) $(DISTCLEAN_TARGETS) Makefile
.exported_symbols_generated: $(EXPORTED_HEADER) .exported_symbols
set -e; \
( cat $(srcdir)/.exported_symbols; \
if test x$(EXPORTED_HEADER) != x; then \
$(CC) -E -P $(INCLUDES) $(DEFS) $(EXPORTED_HEADER) | \
$(SED) -ne "/^typedef|}/!s/.*[ *]\($(EXPORTED_FN_PREFIX)_[a-z0-9_]*\)(.*/\1/p"; \
fi \
) > $@
.export.sym: .exported_symbols_generated
set -e; (echo "Base {"; echo " global:"; \
sed "s/^/ /;s/$$/;/" < $<; \
echo " local:"; echo " *;"; echo "};") > $@
ifeq (,$(findstring $(MAKECMDGOALS),cscope.out cflow clean distclean lcov \
help check check_local check_cluster check_lvmetad))
ifdef SOURCES
-include $(SOURCES:.c=.d)
endif
ifdef SOURCES2
-include $(SOURCES2:.c=.d)
endif
endif
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