-#
+# -*- Makefile -*-
# 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
+#
+# Readline library to use, libedit, libreadline, or empty
+# Caution: Using libreadline may make the multipathd binary undistributable,
+# see https://github.com/opensvc/multipath-tools/issues/36
+READLINE :=
+
+# List of scsi device handler modules to load on boot, e.g.
+# SCSI_DH_MODULES_PRELOAD := scsi_dh_alua scsi_dh_rdac
+SCSI_DH_MODULES_PRELOAD :=
+
+EXTRAVERSION := $(shell rev=$$(git rev-parse --short=7 HEAD 2>/dev/null); echo $${rev:+-g$$rev})
+
+# PKG_CONFIG must be read from the environment to enable compilation
+# in Debian multiarch setups
+PKG_CONFIG ?= pkg-config
ifeq ($(TOPDIR),)
TOPDIR = ..
endif
-
-ifndef LIB
- ifeq ($(shell test -d /lib64 && echo 1),1)
- LIB=lib64
- else
- LIB=lib
- endif
+ifneq ($(CREATE_CONFIG),1)
+include $(TOPDIR)/config.mk
endif
-ifndef RUN
- ifeq ($(shell test -L /var/run -o ! -d /var/run && echo 1),1)
- RUN=run
- else
- RUN=var/run
- endif
-endif
+# Paths. All these can be overridden on the "make" command line.
+prefix :=
+# Prefix for binaries
+exec_prefix := $(prefix)
+# Prefix for non-essential libraries (libdmmp)
+usr_prefix := $(if $(prefix),$(prefix),/usr)
+# Prefix for configfuration files (multipath.conf)
+etc_prefix := $(prefix)
+# Where to install systemd-related files. systemd is usually installed under /usr
+# Note: systemd installations with "split-usr=true" use separate "prefixdir" and
+# "rootprefixdir". Our systemd_prefix corresponds to "prefixdir".
+# In this case, override only unitdir and libudevdir below to use
+# systemd's "rootprefixdir" instead of $(systemd_prefix)
+systemd_prefix := /usr
-ifndef SYSTEMD
- ifeq ($(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
+# Make sure all prefix variables end in "/"
+append-slash = $(1)$(if $(filter %/,$(1)),,/)
+override prefix := $(call append-slash,$(prefix))
+override exec_prefix := $(call append-slash,$(exec_prefix))
+override usr_prefix := $(call append-slash,$(usr_prefix))
+override etc_prefix := $(call append-slash,$(etc_prefix))
+override systemd_prefix := $(call append-slash,$(systemd_prefix))
+
+unitdir := $(systemd_prefix)lib/systemd/system
+tmpfilesdir := $(systemd_prefix)lib/tmpfiles.d
+modulesloaddir := $(systemd_prefix)lib/modules-load.d
+libudevdir := $(systemd_prefix)lib/udev
+udevrulesdir := $(libudevdir)/rules.d
+bindir := $(exec_prefix)sbin
+mandir := $(usr_prefix)share/man
+LIB := $(if $(shell test -d /lib64 && echo 1),lib64,lib)
+syslibdir := $(prefix)$(LIB)
+usrlibdir := $(usr_prefix)$(LIB)
+includedir := $(usr_prefix)include
+pkgconfdir := $(usrlibdir)/pkgconfig
+plugindir := $(prefix)$(LIB)/multipath
+configdir := $(etc_prefix)etc/multipath/conf.d
+configfile := $(etc_prefix)etc/multipath.conf
+statedir := $(etc_prefix)etc/multipath
+runtimedir := $(if $(shell test -L /var/run -o ! -d /var/run && echo 1),/run,/var/run)
+devmapper_incdir := $(or $(shell $(PKG_CONFIG) --variable=includedir devmapper),/usr/include)
+libudev_incdir := $(or $(shell $(PKG_CONFIG) --variable=includedir libudev),/usr/include)
+kernel_incdir := /usr/include
-ifndef SYSTEMDPATH
- SYSTEMDPATH=usr/lib
+ifeq ($(V),)
+Q := @
+# make's "Entering directory" messages are confusing in parallel mode
+#MAKEFLAGS = --no-print-directory
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;}' | \
- $(CC) -o /dev/null -c -Werror "$(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,)
-WNOCLOBBERED := $(call TEST_CC_OPTION,-Wno-clobbered,)
-
-OPTFLAGS = -O2 -g -pipe -Werror -Wall -Wextra -Wformat=2 -Werror=implicit-int \
+GZIP_PROG := gzip -9 -c
+RM := rm -f
+LN := ln -sf
+INSTALL_PROGRAM := install
+
+ORIG_CPPFLAGS := $(CPPFLAGS)
+ORIG_CFLAGS := $(CFLAGS)
+ORIG_LDFLAGS := $(LDFLAGS)
+
+SYSTEMD_CPPFLAGS := $(if $(SYSTEMD),-DUSE_SYSTEMD=$(SYSTEMD))
+SYSTEMD_LIBDEPS := $(if $(SYSTEMD),$(if $(shell test $(SYSTEMD) -gt 209 && echo 1),-lsystemd,-lsystemd-daemon))
+MODPROBE_UNIT := $(shell test "0$(SYSTEMD)" -lt 245 2>/dev/null || \
+ echo "modprobe@dm_multipath.service")
+
+OPTFLAGS := -O2 -g $(STACKPROT) --param=ssp-buffer-size=4
+WARNFLAGS := -Werror -Wall -Wextra -Wformat=2 $(WFORMATOVERFLOW) -Werror=implicit-int \
-Werror=implicit-function-declaration -Werror=format-security \
- $(WNOCLOBBERED) \
- -Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS) \
- $(STACKPROT) --param=ssp-buffer-size=4
-CPPFLAGS := -Wp,-D_FORTIFY_SOURCE=2
-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" \
- )
+ $(WNOCLOBBERED) -Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS) $(W_URCU_TYPE_LIMITS)
+CPPFLAGS := $(FORTIFY_OPT) $(CPPFLAGS) $(D_URCU_VERSION) \
+ -DBIN_DIR=\"$(bindir)\" -DMULTIPATH_DIR=\"$(plugindir)\" \
+ -DRUNTIME_DIR=\"$(runtimedir)\" -DCONFIG_DIR=\"$(configdir)\" \
+ -DDEFAULT_CONFIGFILE=\"$(configfile)\" -DSTATE_DIR=\"$(statedir)\" \
+ -DEXTRAVERSION=\"$(EXTRAVERSION)\" -MMD -MP
+CFLAGS := --std=gnu99 $(CFLAGS) $(OPTFLAGS) $(WARNFLAGS) -pipe
+BIN_CFLAGS := -fPIE -DPIE
+LIB_CFLAGS := -fPIC
+SHARED_FLAGS := -shared
+LDFLAGS := $(LDFLAGS) -Wl,-z,relro -Wl,-z,now -Wl,-z,defs
+BIN_LDFLAGS := -pie
+
+# Source code directories. Don't modify.
+
+multipathdir := $(TOPDIR)/libmultipath
+daemondir := $(TOPDIR)/multipathd
+mpathutildir := $(TOPDIR)/libmpathutil
+mpathpersistdir := $(TOPDIR)/libmpathpersist
+mpathcmddir := $(TOPDIR)/libmpathcmd
+mpathvaliddir := $(TOPDIR)/libmpathvalid
+thirdpartydir := $(TOPDIR)/third-party
+libdmmpdir := $(TOPDIR)/libdmmp
+nvmedir := $(TOPDIR)/libmultipath/nvme
+
+# Common code for libraries - library Makefiles just set DEVLIB
+# SONAME defaults to 0 (we use version scripts)
+SONAME := 0
+LIBS = $(DEVLIB).$(SONAME)
+VERSION_SCRIPT = $(DEVLIB:%.so=%.version)
+NV_VERSION_SCRIPT = $(DEVLIB:%.so=%-nv.version)
%.o: %.c
@echo building $@ because of $?
- $(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
+ $(Q)$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
+
+%.abi: %.so.0
+ $(Q)abidw $< >$@
+
+%.abi: %.so
+ $(Q)abidw $< >$@
+
+%-nv.version: %.version
+ @echo creating $@ from $<
+ @printf 'NOVERSION {\nglobal:\n' >$@
+ @grep -P '^[ \t]+[a-zA-Z_][a-zA-Z0-9_]*;' $< >>$@
+ @printf 'local:\n\t*;\n};\n' >>$@
+
+%: %.in
+ @echo creating $@
+ $(Q)sed 's:@CONFIGFILE@:'$(configfile)':g;s:@CONFIGDIR@:'$(configdir)':g;s:@STATE_DIR@:'$(statedir)':g;s:@RUNTIME_DIR@:'$(runtimedir)':g;s/@MODPROBE_UNIT@/'$(MODPROBE_UNIT)'/g' $< >$@
projects / platform / upstream / multipath-tools.git / blobdiff