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#
# Copyright (C) 2004 Christophe Varoqui, <christophe.varoqui@opensvc.com>
#
#
# Allow to force some libraries to be used statically. (Uncomment one of the
# following lines or define the values when calling make.)
#
# WITH_LOCAL_LIBDM = 1
# WITH_LOCAL_LIBSYSFS = 1
#
# Uncomment to disable libdmmp support
# ENABLE_LIBDMMP = 0
#
# Uncomment to disable dmevents polling support
# ENABLE_DMEVENTS_POLL = 0
ifeq ($(TOPDIR),)
TOPDIR = ..
endif
ifndef LIB
ifeq ($(shell test -d /lib64 && echo 1),1)
LIB=lib64
else
LIB=lib
endif
endif
ifndef RUN
ifeq ($(shell test -L /var/run -o ! -d /var/run && echo 1),1)
RUN=run
else
RUN=var/run
endif
endif
ifndef SYSTEMD
ifeq ($(shell pkg-config --modversion libsystemd >/dev/null 2>&1 && echo 1), 1)
SYSTEMD = $(shell pkg-config --modversion libsystemd)
else
ifeq ($(shell systemctl --version >/dev/null 2>&1 && echo 1), 1)
SYSTEMD = $(shell systemctl --version 2> /dev/null | \
sed -n 's/systemd \([0-9]*\).*/\1/p')
endif
endif
endif
ifndef SYSTEMDPATH
SYSTEMDPATH=usr/lib
endif
prefix =
exec_prefix = $(prefix)
usr_prefix = $(prefix)
bindir = $(exec_prefix)/sbin
libudevdir = $(prefix)/$(SYSTEMDPATH)/udev
udevrulesdir = $(libudevdir)/rules.d
multipathdir = $(TOPDIR)/libmultipath
man8dir = $(prefix)/usr/share/man/man8
man5dir = $(prefix)/usr/share/man/man5
man3dir = $(prefix)/usr/share/man/man3
syslibdir = $(prefix)/$(LIB)
usrlibdir = $(usr_prefix)/$(LIB)
libdir = $(prefix)/$(LIB)/multipath
unitdir = $(prefix)/$(SYSTEMDPATH)/systemd/system
mpathpersistdir = $(TOPDIR)/libmpathpersist
mpathcmddir = $(TOPDIR)/libmpathcmd
thirdpartydir = $(TOPDIR)/third-party
libdmmpdir = $(TOPDIR)/libdmmp
nvmedir = $(TOPDIR)/libmultipath/nvme
includedir = $(prefix)/usr/include
pkgconfdir = $(usrlibdir)/pkgconfig
GZIP = gzip -9 -c
RM = rm -f
LN = ln -sf
INSTALL_PROGRAM = install
# $(call TEST_CC_OPTION,option,fallback)
# Test if the C compiler supports the option.
# Evaluates to "option" if yes, and "fallback" otherwise.
TEST_CC_OPTION = $(shell \
if echo 'int main(void){return 0;}' | $(CC) -o /dev/null -c "$(1)" -xc - >/dev/null 2>&1; \
then \
echo "$(1)"; \
else \
echo "$(2)"; \
fi)
STACKPROT := $(call TEST_CC_OPTION,-fstack-protector-strong,-fstack-protector)
ERROR_DISCARDED_QUALIFIERS := $(call TEST_CC_OPTION,-Werror=discarded-qualifiers,)
OPTFLAGS = -O2 -g -pipe -Wall -Wextra -Wformat=2 -Werror=implicit-int \
-Werror=implicit-function-declaration -Werror=format-security \
-Wno-sign-compare -Wno-unused-parameter -Wno-clobbered \
-Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS) \
-Wp,-D_FORTIFY_SOURCE=2 $(STACKPROT) \
--param=ssp-buffer-size=4
CFLAGS := $(OPTFLAGS) -DBIN_DIR=\"$(bindir)\" -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\" \
-MMD -MP $(CFLAGS)
BIN_CFLAGS = -fPIE -DPIE
LIB_CFLAGS = -fPIC
SHARED_FLAGS = -shared
LDFLAGS = -Wl,-z,relro -Wl,-z,now
BIN_LDFLAGS = -pie
# Check whether a function with name $1 has been declared in header file $2.
check_func = $(shell \
if grep -Eq "^[^[:blank:]]+[[:blank:]]+$1[[:blank:]]*(.*)*" "$2"; then \
found=1; \
status="yes"; \
else \
found=0; \
status="no"; \
fi; \
echo 1>&2 "Checking for $1 in $2 ... $$status"; \
echo "$$found" \
)
# Checker whether a file with name $1 exists
check_file = $(shell \
if [ -f "$1" ]; then \
found=1; \
status="yes"; \
else \
found=0; \
status="no"; \
fi; \
echo 1>&2 "Checking if $1 exists ... $$status"; \
echo "$$found" \
)
%.o: %.c
@echo building $@ because of $?
$(CC) $(CFLAGS) -c -o $@ $<
|
