2 # Copyright (C) 2004 Christophe Varoqui, <christophe.varoqui@opensvc.com>
6 # Allow to force some libraries to be used statically. (Uncomment one of the
7 # following lines or define the values when calling make.)
10 # WITH_LOCAL_LIBSYSFS = 1
12 # Uncomment to disable libdmmp support
15 # Uncomment to disable dmevents polling support
16 # ENABLE_DMEVENTS_POLL = 0
23 ifeq ($(shell test -d /lib64 && echo 1),1)
31 ifeq ($(shell test -L /var/run -o ! -d /var/run && echo 1),1)
39 ifeq ($(shell pkg-config --modversion libsystemd >/dev/null 2>&1 && echo 1), 1)
40 SYSTEMD = $(shell pkg-config --modversion libsystemd)
42 ifeq ($(shell systemctl --version >/dev/null 2>&1 && echo 1), 1)
43 SYSTEMD = $(shell systemctl --version 2> /dev/null | \
44 sed -n 's/systemd \([0-9]*\).*/\1/p')
54 exec_prefix = $(prefix)
55 usr_prefix = $(prefix)
56 bindir = $(exec_prefix)/sbin
57 libudevdir = $(prefix)/$(SYSTEMDPATH)/udev
58 udevrulesdir = $(libudevdir)/rules.d
59 multipathdir = $(TOPDIR)/libmultipath
60 man8dir = $(prefix)/usr/share/man/man8
61 man5dir = $(prefix)/usr/share/man/man5
62 man3dir = $(prefix)/usr/share/man/man3
63 syslibdir = $(prefix)/$(LIB)
64 usrlibdir = $(usr_prefix)/$(LIB)
65 libdir = $(prefix)/$(LIB)/multipath
66 unitdir = $(prefix)/$(SYSTEMDPATH)/systemd/system
67 mpathpersistdir = $(TOPDIR)/libmpathpersist
68 mpathcmddir = $(TOPDIR)/libmpathcmd
69 thirdpartydir = $(TOPDIR)/third-party
70 libdmmpdir = $(TOPDIR)/libdmmp
71 nvmedir = $(TOPDIR)/libmultipath/nvme
72 includedir = $(prefix)/usr/include
73 pkgconfdir = $(usrlibdir)/pkgconfig
78 INSTALL_PROGRAM = install
80 # $(call TEST_CC_OPTION,option,fallback)
81 # Test if the C compiler supports the option.
82 # Evaluates to "option" if yes, and "fallback" otherwise.
83 TEST_CC_OPTION = $(shell \
84 if echo 'int main(void){return 0;}' | $(CC) -o /dev/null -c "$(1)" -xc - >/dev/null 2>&1; \
91 STACKPROT := $(call TEST_CC_OPTION,-fstack-protector-strong,-fstack-protector)
92 ERROR_DISCARDED_QUALIFIERS := $(call TEST_CC_OPTION,-Werror=discarded-qualifiers,)
94 OPTFLAGS = -O2 -g -pipe -Wall -Wextra -Wformat=2 -Werror=implicit-int \
95 -Werror=implicit-function-declaration -Werror=format-security \
96 -Wno-sign-compare -Wno-unused-parameter -Wno-clobbered \
97 -Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS) \
98 -Wp,-D_FORTIFY_SOURCE=2 $(STACKPROT) \
99 --param=ssp-buffer-size=4
101 CFLAGS := $(OPTFLAGS) -DBIN_DIR=\"$(bindir)\" -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\" \
103 BIN_CFLAGS = -fPIE -DPIE
105 SHARED_FLAGS = -shared
106 LDFLAGS = -Wl,-z,relro -Wl,-z,now
109 # Check whether a function with name $1 has been declared in header file $2.
110 check_func = $(shell \
111 if grep -Eq "^[^[:blank:]]+[[:blank:]]+$1[[:blank:]]*(.*)*" "$2"; then \
118 echo 1>&2 "Checking for $1 in $2 ... $$status"; \
122 # Checker whether a file with name $1 exists
123 check_file = $(shell \
124 if [ -f "$1" ]; then \
131 echo 1>&2 "Checking if $1 exists ... $$status"; \
136 @echo building $@ because of $?
137 $(CC) $(CFLAGS) -c -o $@ $<