/
Makefile.housekeeping
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Makefile.housekeeping
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# -*- makefile -*- : Force emacs to use Makefile mode
#
# This file contains various boring housekeeping functions that would
# otherwise seriously clutter up the main Makefile.
###############################################################################
#
# Find a usable "echo -e" substitute.
#
TAB := $(shell $(PRINTF) '\t')
ECHO_E_ECHO := $(ECHO)
ECHO_E_ECHO_E := $(ECHO) -e
ECHO_E_BIN_ECHO := /bin/echo
ECHO_E_BIN_ECHO_E := /bin/echo -e
ECHO_E_ECHO_TAB := $(shell $(ECHO_E_ECHO) '\t' | cat)
ECHO_E_ECHO_E_TAB := $(shell $(ECHO_E_ECHO_E) '\t' | cat)
ECHO_E_BIN_ECHO_TAB := $(shell $(ECHO_E_BIN_ECHO) '\t')
ECHO_E_BIN_ECHO_E_TAB := $(shell $(ECHO_E_BIN_ECHO_E) '\t')
ifeq ($(ECHO_E_ECHO_TAB),$(TAB))
ECHO_E := $(ECHO_E_ECHO)
endif
ifeq ($(ECHO_E_ECHO_E_TAB),$(TAB))
ECHO_E := $(ECHO_E_ECHO_E)
endif
ifeq ($(ECHO_E_BIN_ECHO_TAB),$(TAB))
ECHO_E := $(ECHO_E_BIN_ECHO)
endif
ifeq ($(ECHO_E_BIN_ECHO_E_TAB),$(TAB))
ECHO_E := $(ECHO_E_BIN_ECHO_E)
endif
.echocheck :
ifdef ECHO_E
@$(TOUCH) $@
else
@$(PRINTF) '%24s : x%sx\n' 'tab' '$(TAB)'
@$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_ECHO) \t"' \
'$(ECHO_E_ECHO_TAB)'
@$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_ECHO_E) \t"' \
'$(ECHO_E_ECHO_E_TAB)'
@$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_BIN_ECHO) \t"' \
'$(ECHO_E_BIN_ECHO_TAB)'
@$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_BIN_ECHO_E) \t"' \
'$(ECHO_E_BIN_ECHO_E_TAB)'
@$(ECHO) "No usable \"echo -e\" substitute found"
@exit 1
endif
MAKEDEPS += .echocheck
VERYCLEANUP += .echocheck
echo :
@$(ECHO) "Using \"$(ECHO_E)\" for \"echo -e\""
###############################################################################
#
# Generate a usable "seq" substitute
#
define seq
$(shell awk 'BEGIN { for ( i = $(1) ; i <= $(2) ; i++ ) print i }')
endef
###############################################################################
#
# Determine host OS
#
HOST_OS := $(shell uname -s)
hostos :
@$(ECHO) $(HOST_OS)
###############################################################################
#
# Determine compiler
CCDEFS := $(shell $(CC) -E -x c -c /dev/null -dM | cut -d" " -f2)
ccdefs:
@$(ECHO) $(CCDEFS)
ifeq ($(filter __ICC,$(CCDEFS)),__ICC)
CCTYPE := icc
else
CCTYPE := gcc
endif
cctype:
@$(ECHO) $(CCTYPE)
###############################################################################
#
# Check for tools that can cause failed builds
#
ifeq ($(CCTYPE),gcc)
GCC_2_96_BANNER := $(shell $(CC) -v 2>&1 | grep -is 'gcc version 2\.96')
ifneq ($(GCC_2_96_BANNER),)
$(warning gcc 2.96 is unsuitable for compiling iPXE)
$(warning Use gcc 2.95 or a newer version instead)
$(error Unsuitable build environment found)
endif
endif
PERL_UNICODE_CHECK := $(shell $(PERL) -e 'use bytes; print chr(255)' | wc -c)
ifeq ($(PERL_UNICODE_CHECK),2)
$(warning Your Perl version has a Unicode handling bug)
$(warning Execute this command before building iPXE:)
$(warning export LANG=$${LANG%.UTF-8})
$(error Unsuitable build environment found)
endif
LD_GOLD_BANNER := $(shell $(LD) -v 2>&1 | grep 'GNU gold')
ifneq ($(LD_GOLD_BANNER),)
$(warning GNU gold is unsuitable for building iPXE)
$(warning Use GNU ld instead)
$(error Unsuitable build environment found)
endif
###############################################################################
#
# Check if $(eval ...) is available to use
#
HAVE_EVAL :=
ifndef NO_EVAL
$(eval HAVE_EVAL := yes)
endif
eval :
@$(ECHO) $(HAVE_EVAL)
###############################################################################
#
# Check for various tool workarounds
#
WORKAROUND_CFLAGS :=
WORKAROUND_ASFLAGS :=
WORKAROUND_LDFLAGS :=
# Make syntax does not allow use of comma or space in certain places.
# This ugly workaround is suggested in the manual.
#
COMMA := ,
EMPTY :=
SPACE := $(EMPTY) $(EMPTY)
HASH := \#
define NEWLINE
endef
# Some widespread patched versions of gcc include -fstack-protector by
# default, even when -ffreestanding is specified. We therefore need
# to disable -fstack-protector if the compiler supports it.
#
ifeq ($(CCTYPE),gcc)
SP_TEST = $(CC) -fno-stack-protector -x c -c /dev/null \
-o /dev/null >/dev/null 2>&1
SP_FLAGS := $(shell $(SP_TEST) && $(ECHO) '-fno-stack-protector')
WORKAROUND_CFLAGS += $(SP_FLAGS)
endif
# gcc 4.4 generates .eh_frame sections by default, which distort the
# output of "size". Inhibit this.
#
ifeq ($(CCTYPE),gcc)
CFI_TEST = $(CC) -fno-dwarf2-cfi-asm -fno-exceptions -fno-unwind-tables \
-fno-asynchronous-unwind-tables -x c -c /dev/null \
-o /dev/null >/dev/null 2>&1
CFI_FLAGS := $(shell $(CFI_TEST) && \
$(ECHO) '-fno-dwarf2-cfi-asm -fno-exceptions ' \
'-fno-unwind-tables -fno-asynchronous-unwind-tables')
WORKAROUND_CFLAGS += $(CFI_FLAGS)
endif
# gcc 4.6 generates spurious warnings if -Waddress is in force.
# Inhibit this.
#
ifeq ($(CCTYPE),gcc)
WNA_TEST = $(CC) -Wno-address -x c -c /dev/null -o /dev/null >/dev/null 2>&1
WNA_FLAGS := $(shell $(WNA_TEST) && $(ECHO) '-Wno-address')
WORKAROUND_CFLAGS += $(WNA_FLAGS)
# gcc 8.0 generates warnings for certain suspect string operations. Our
# sources have been vetted for correct usage. Turn off these warnings.
#
WNST_TEST = $(CC) -Wno-stringop-truncation -x c -c /dev/null -o /dev/null \
>/dev/null 2>&1
WNST_FLAGS := $(shell $(WNST_TEST) && $(ECHO) '-Wno-stringop-truncation')
WORKAROUND_CFLAGS += $(WNST_FLAGS)
endif
# Some versions of gas choke on division operators, treating them as
# comment markers. Specifying --divide will work around this problem,
# but isn't available on older gas versions.
#
DIVIDE_TEST = $(AS) --divide /dev/null -o /dev/null 2>/dev/null
DIVIDE_FLAGS := $(shell $(DIVIDE_TEST) && $(ECHO) '--divide')
WORKAROUND_ASFLAGS += $(DIVIDE_FLAGS)
###############################################################################
#
# Build verbosity
#
ifeq ($(V),1)
Q :=
QM := @\#
else
Q := @
QM := @
endif
###############################################################################
#
# Checker
#
ifeq ($(C),1)
export REAL_CC := $(CC)
CC := cgcc
CFLAGS += -Wno-decl
endif
###############################################################################
#
# Set BIN according to whatever was specified on the command line as
# the build target.
#
# Determine how many different BIN directories are mentioned in the
# make goals.
#
BIN_GOALS := $(filter bin bin/% bin-%,$(MAKECMDGOALS))
BIN_GOALS_BINS := $(sort $(foreach BG,$(BIN_GOALS),\
$(firstword $(subst /, ,$(BG)))))
NUM_BINS := $(words $(BIN_GOALS_BINS))
ifeq ($(NUM_BINS),0)
# No BIN directory was specified. Set BIN to "bin" as a sensible
# default.
BIN := bin
else # NUM_BINS == 0
ifeq ($(NUM_BINS),1)
# If exactly one BIN directory was specified, set BIN to match this
# directory.
#
BIN := $(firstword $(BIN_GOALS_BINS))
else # NUM_BINS == 1
# More than one BIN directory was specified. We cannot handle the
# latter case within a single make invocation, so set up recursive
# targets for each BIN directory. Use exactly one target for each BIN
# directory since running multiple make invocations within the same
# BIN directory is likely to cause problems.
#
# Leave $(BIN) undefined. This has implications for any target that
# depends on $(BIN); such targets should be made conditional upon the
# existence of $(BIN).
#
BIN_GOALS_FIRST := $(foreach BGB,$(BIN_GOALS_BINS),\
$(firstword $(filter $(BGB)/%,$(BIN_GOALS))))
BIN_GOALS_OTHER := $(filter-out $(BIN_GOALS_FIRST),$(BIN_GOALS))
$(BIN_GOALS_FIRST) : % : BIN_RECURSE
$(Q)$(MAKE) --no-print-directory BIN=$(firstword $(subst /, ,$@)) \
$(filter $(firstword $(subst /, ,$@))/%, $(BIN_GOALS))
$(BIN_GOALS_OTHER) : % : BIN_RECURSE
$(Q)$(TRUE)
.PHONY : BIN_RECURSE
endif # NUM_BINS == 1
endif # NUM_BINS == 0
ifdef BIN
# Create $(BIN) directory if it doesn't exist yet
#
ifeq ($(wildcard $(BIN)),)
$(shell $(MKDIR) -p $(BIN))
endif
# Target to allow e.g. "make bin-efi arch"
#
$(BIN) :
@# Do nothing, silently
.PHONY : $(BIN)
# Remove everything in $(BIN) for a "make clean"
#
CLEANUP += $(BIN)/*.* # Avoid picking up directories
endif # defined(BIN)
# Determine whether or not we need to include the dependency files
#
NO_DEP_TARGETS := $(BIN) clean veryclean
ifeq ($(MAKECMDGOALS),)
NEED_DEPS := 1
endif
ifneq ($(strip $(filter-out $(NO_DEP_TARGETS),$(MAKECMDGOALS))),)
NEED_DEPS := 1
endif
###############################################################################
#
# Select build architecture and platform based on $(BIN)
#
# BIN has the form bin[-[<arch>-]<platform>[-sb]]
ARCHS := $(patsubst arch/%,%,$(wildcard arch/*))
PLATFORMS := $(patsubst config/defaults/%.h,%,\
$(wildcard config/defaults/*.h))
archs :
@$(ECHO) $(ARCHS)
platforms :
@$(ECHO) $(PLATFORMS)
ifdef BIN
# Split $(BIN) into architecture, platform, and security flag (where present)
BIN_ELEMENTS := $(subst -,$(SPACE),$(BIN))
BIN_APS := $(wordlist 2,4,$(BIN_ELEMENTS))
ifeq ($(lastword $(BIN_APS)),sb)
BIN_AP := $(wordlist 2,$(words $(BIN_APS)),discard $(BIN_APS))
BIN_SECUREBOOT := 1
else
BIN_AP := $(BIN_APS)
BIN_SECUREBOOT := 0
endif
BIN_PLATFORM := $(lastword $(BIN_AP))
BIN_ARCH := $(wordlist 2,$(words $(BIN_AP)),discard $(BIN_AP))
# Determine build architecture
DEFAULT_ARCH := i386
ARCH := $(firstword $(BIN_ARCH) $(DEFAULT_ARCH))
CFLAGS += -DARCH=$(ARCH)
arch :
@$(ECHO) $(ARCH)
.PHONY : arch
# Determine build platform
DEFAULT_PLATFORM := pcbios
PLATFORM := $(firstword $(BIN_PLATFORM) $(DEFAULT_PLATFORM))
CFLAGS += -DPLATFORM=$(PLATFORM)
platform :
@$(ECHO) $(PLATFORM)
# Determine security flag
DEFAULT_SECUREBOOT := 0
SECUREBOOT := $(firstword $(BIN_SECUREBOOT) $(DEFAULT_SECUREBOOT))
CFLAGS += -DSECUREBOOT=$(SECUREBOOT)
secureboot :
@$(ECHO) $(SECUREBOOT)
endif # defined(BIN)
# Include architecture-specific Makefile
ifdef ARCH
MAKEDEPS += arch/$(ARCH)/Makefile
include arch/$(ARCH)/Makefile
endif
# Include architecture-specific include path
ifdef ARCH
INCDIRS += arch/$(ARCH)/include
INCDIRS += arch/$(ARCH)/include/$(PLATFORM)
endif
###############################################################################
#
# Source file handling
# Exclude known-insecure files from Secure Boot builds
ifeq ($(SECUREBOOT),0)
SRCDIRS += $(SRCDIRS_INSEC)
endif
# SRCDIRS lists all directories containing source files.
srcdirs :
@$(ECHO) $(SRCDIRS)
# SRCS lists all .c or .S files found in any SRCDIR
#
SRCS += $(wildcard $(patsubst %,%/*.c,$(SRCDIRS)))
SRCS += $(wildcard $(patsubst %,%/*.S,$(SRCDIRS)))
srcs :
@$(ECHO) $(SRCS)
# AUTO_SRCS lists all files in SRCS that are not mentioned in
# NON_AUTO_SRCS. Files should be added to NON_AUTO_SRCS if they
# cannot be built using the standard build template.
#
AUTO_SRCS = $(filter-out $(NON_AUTO_SRCS),$(SRCS))
autosrcs :
@$(ECHO) $(AUTO_SRCS)
# Just about everything else in this section depends upon having
# $(BIN) set
ifdef BIN
# INCDIRS lists the include path
incdirs :
@$(ECHO) $(INCDIRS)
# Common flags
#
CFLAGS += $(foreach INC,$(INCDIRS),-I$(INC))
CFLAGS += -Os
CFLAGS += -g
ifeq ($(CCTYPE),gcc)
CFLAGS += -ffreestanding
CFLAGS += -Wall -W -Wformat-nonliteral
HOST_CFLAGS += -Wall -W -Wformat-nonliteral
endif
ifeq ($(CCTYPE),icc)
CFLAGS += -fno-builtin
CFLAGS += -no-ip
CFLAGS += -no-gcc
CFLAGS += -diag-disable 111 # Unreachable code
CFLAGS += -diag-disable 128 # Unreachable loop
CFLAGS += -diag-disable 170 # Array boundary checks
CFLAGS += -diag-disable 177 # Unused functions
CFLAGS += -diag-disable 181 # printf() format checks
CFLAGS += -diag-disable 188 # enum strictness
CFLAGS += -diag-disable 193 # Undefined preprocessor identifiers
CFLAGS += -diag-disable 280 # switch ( constant )
CFLAGS += -diag-disable 310 # K&R parameter lists
CFLAGS += -diag-disable 424 # Extra semicolon
CFLAGS += -diag-disable 589 # Declarations mid-code
CFLAGS += -diag-disable 593 # Unused variables
CFLAGS += -diag-disable 810 # Casting ints to smaller ints
CFLAGS += -diag-disable 981 # Sequence point violations
CFLAGS += -diag-disable 1292 # Ignored attributes
CFLAGS += -diag-disable 1338 # void pointer arithmetic
CFLAGS += -diag-disable 1361 # Variable-length arrays
CFLAGS += -diag-disable 1418 # Missing prototypes
CFLAGS += -diag-disable 1419 # Missing prototypes
CFLAGS += -diag-disable 1599 # Hidden variables
CFLAGS += -Wall -Wmissing-declarations
endif
CFLAGS += $(WORKAROUND_CFLAGS) $(EXTRA_CFLAGS)
ASFLAGS += $(WORKAROUND_ASFLAGS) $(EXTRA_ASFLAGS)
LDFLAGS += $(WORKAROUND_LDFLAGS) $(EXTRA_LDFLAGS)
HOST_CFLAGS += $(WORKAROUND_CFLAGS) -O2 -g
# Inhibit -Werror if NO_WERROR is specified on make command line
#
ifneq ($(NO_WERROR),1)
CFLAGS += -Werror
ASFLAGS += --fatal-warnings
HOST_CFLAGS += -Werror
endif
# Function trace recorder state in the last build. This is needed
# in order to correctly rebuild whenever the function recorder is
# enabled/disabled.
#
FNREC_STATE := $(BIN)/.fnrec.state
ifeq ($(wildcard $(FNREC_STATE)),)
FNREC_OLD := <invalid>
else
FNREC_OLD := $(shell cat $(FNREC_STATE))
endif
ifeq ($(FNREC_OLD),$(FNREC))
$(FNREC_STATE) :
else
$(FNREC_STATE) : clean
$(shell $(ECHO) "$(FNREC)" > $(FNREC_STATE))
endif
VERYCLEANUP += $(FNREC_STATE)
MAKEDEPS += $(FNREC_STATE)
ifeq ($(FNREC),1)
# Enabling -finstrument-functions affects gcc's analysis and leads to spurious
# warnings about use of uninitialised variables.
#
CFLAGS += -Wno-uninitialized
CFLAGS += -finstrument-functions
CFLAGS += -finstrument-functions-exclude-file-list=core/fnrec.c
endif
# Enable per-item sections and section garbage collection. Note that
# some older versions of gcc support -fdata-sections but treat it as
# implying -fno-common, which would break our build. Some other older
# versions issue a spurious and uninhibitable warning if
# -ffunction-sections is used with -g, which would also break our
# build since we use -Werror.
#
ifeq ($(CCTYPE),gcc)
DS_TEST = $(ECHO) 'char x;' | \
$(CC) -fdata-sections -S -x c - -o - 2>/dev/null | \
grep -E '\.comm' > /dev/null
DS_FLAGS := $(shell $(DS_TEST) && $(ECHO) '-fdata-sections')
FS_TEST = $(CC) -ffunction-sections -g -c -x c /dev/null \
-o /dev/null 2>/dev/null
FS_FLAGS := $(shell $(FS_TEST) && $(ECHO) '-ffunction-sections')
CFLAGS += $(FS_FLAGS) $(DS_FLAGS)
endif
LDFLAGS += --gc-sections
# Force creation of static binaries (required for OpenBSD, does no
# harm on other platforms).
#
LDFLAGS += -static
# compiler.h is needed for our linking and debugging system
#
CFLAGS += -include include/compiler.h
# The section type character (e.g. "@" in "@progbits") varies by
# architecture.
#
CFLAGS += -DASM_TCHAR='$(ASM_TCHAR)' -DASM_TCHAR_OPS='$(ASM_TCHAR_OPS)'
# CFLAGS for specific object types
#
CFLAGS_c +=
CFLAGS_S += -DASSEMBLY
# Base object name of the current target
#
OBJECT = $(firstword $(subst ., ,$(@F)))
# CFLAGS for specific object files. You can define
# e.g. CFLAGS_rtl8139, and have those flags automatically used when
# compiling bin/rtl8139.o.
#
OBJ_CFLAGS = $(CFLAGS_$(OBJECT)) -DOBJECT=$(subst -,_,$(OBJECT))
$(BIN)/%.flags :
@$(ECHO) $(OBJ_CFLAGS)
# ICC requires postprocessing objects to fix up table alignments
#
ifeq ($(CCTYPE),icc)
POST_O = && $(ICCFIX) $@
POST_O_DEPS := $(ICCFIX)
else
POST_O :=
POST_O_DEPS :=
endif
# Debug level calculations
#
DBGLVL_MAX = -DDBGLVL_MAX=$(firstword $(subst ., ,$(1)))
DBGLVL_DFLT = -DDBGLVL_DFLT=$(lastword $(subst ., ,$(1)))
DBGLVL = $(call DBGLVL_MAX,$(1)) $(call DBGLVL_DFLT,$(1))
# Rules for specific object types.
#
COMPILE_c = $(CC) $(CFLAGS) $(CFLAGS_c) $(OBJ_CFLAGS)
RULE_c = $(Q)$(COMPILE_c) -c $< -o $@ $(POST_O)
RULE_c_to_ids.o = $(Q)$(ECHO_E) '$(OBJ_IDS_ASM_NL)' | $(ASSEMBLE_S) -o $@
RULE_c_to_dbg%.o= $(Q)$(COMPILE_c) $(call DBGLVL,$*) -c $< -o $@ $(POST_O)
RULE_c_to_c = $(Q)$(COMPILE_c) -E -c $< > $@
RULE_c_to_s = $(Q)$(COMPILE_c) -S -g0 -c $< -o $@
PREPROCESS_S = $(CPP) $(CFLAGS) $(CFLAGS_S) $(OBJ_CFLAGS)
ASSEMBLE_S = $(AS) $(ASFLAGS)
RULE_S = $(Q)$(PREPROCESS_S) $< | $(ASSEMBLE_S) -o $@
RULE_S_to_dbg%.o= $(Q)$(PREPROCESS_S) $(call DBGLVL,$*) $< | $(ASSEMBLE_S) -o $@
RULE_S_to_s = $(Q)$(PREPROCESS_S) $< > $@
GENERIC_TARGETS += ids.o dbg%.o c s
# List of embedded images included in the last build of embedded.o.
# This is needed in order to correctly rebuild embedded.o whenever the
# list of objects changes.
#
EMBED := $(EMBEDDED_IMAGE) # Maintain backwards compatibility
EMBEDDED_LIST := $(BIN)/.embedded.list
ifeq ($(wildcard $(EMBEDDED_LIST)),)
EMBED_OLD := <invalid>
else
EMBED_OLD := $(shell cat $(EMBEDDED_LIST))
endif
ifneq ($(EMBED_OLD),$(EMBED))
$(shell $(ECHO) "$(EMBED)" > $(EMBEDDED_LIST))
endif
$(EMBEDDED_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(EMBEDDED_LIST)
EMBEDDED_FILES := $(subst $(COMMA), ,$(EMBED))
EMBED_ALL := $(foreach i,$(call seq,1,$(words $(EMBEDDED_FILES))),\
EMBED ( $(i), \"$(word $(i), $(EMBEDDED_FILES))\",\
\"$(notdir $(word $(i),$(EMBEDDED_FILES)))\" ))
embedded_DEPS += $(EMBEDDED_FILES) $(EMBEDDED_LIST)
CFLAGS_embedded = -DEMBED_ALL="$(EMBED_ALL)"
# List of trusted root certificates
#
TRUSTED_LIST := $(BIN)/.trusted.list
ifeq ($(wildcard $(TRUSTED_LIST)),)
TRUST_OLD := <invalid>
else
TRUST_OLD := $(shell cat $(TRUSTED_LIST))
endif
ifneq ($(TRUST_OLD),$(TRUST))
$(shell $(ECHO) "$(TRUST)" > $(TRUSTED_LIST))
endif
$(TRUSTED_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(TRUSTED_LIST)
# Trusted root certificate fingerprints
#
TRUSTED_CERTS := $(subst $(COMMA), ,$(TRUST))
TRUSTED_FPS := $(foreach CERT,$(TRUSTED_CERTS),\
0x$(subst :,$(COMMA) 0x,$(lastword $(subst =, ,\
$(shell $(OPENSSL) x509 -in $(CERT) -noout -sha256 \
-fingerprint))))$(COMMA))
rootcert_DEPS += $(TRUSTED_FILES) $(TRUSTED_LIST)
CFLAGS_rootcert = $(if $(TRUSTED_FPS),-DTRUSTED="$(TRUSTED_FPS)")
# List of embedded certificates
#
CERT_LIST := $(BIN)/.certificate.list
ifeq ($(wildcard $(CERT_LIST)),)
CERT_OLD := <invalid>
else
CERT_OLD := $(shell cat $(CERT_LIST))
endif
ifneq ($(CERT_OLD),$(CERT))
$(shell $(ECHO) "$(CERT)" > $(CERT_LIST))
endif
$(CERT_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(CERT_LIST)
# Embedded certificates concatenated and then split into one file per
# certificate (even if original files contained certificate chains)
#
CERT_FILES := $(subst $(COMMA), ,$(CERT))
CERT_CONCAT := $(BIN)/.certificates.pem
ifneq ($(CERT),)
CERT_COUNT := $(shell grep "BEGIN CERTIFICATE" $(CERT_FILES) | wc -l)
$(CERT_CONCAT) : $(CERT_FILES) $(CERT_LIST)
$(Q)cat $(CERT_FILES) > $@
# We must use an (otherwise unnecessary) pattern rule here to encode
# the fact that one "csplit" command generates multiple targets
CERT_PEMS := $(foreach i,$(call seq,1,$(CERT_COUNT)),\
$(BIN)/.certificate.pem.$(i))
$(subst .pem.,.%.,$(CERT_PEMS)) : $(BIN)/.certificates.%
$(Q)$(CSPLIT) -q -n 1 -f $(BIN)/.certificate.pem. $< \
'/BEGIN CERTIFICATE/' '{*}'
CERT_DERS := $(subst .certificate.pem.,.certificate.der.,$(CERT_PEMS))
$(BIN)/.certificate.der.% : $(BIN)/.certificate.pem.%
$(Q)$(OPENSSL) x509 -in $< -outform DER -out $@
CERT_ALL := $(foreach i,$(call seq,1,$(CERT_COUNT)),\
CERT ( $(i), \"$(word $(i),$(CERT_DERS))\" ))
endif
certstore_DEPS += $(CERT_LIST) $(CERT_FILES) $(CERT_PEMS) $(CERT_DERS)
CFLAGS_certstore += -DCERT_ALL="$(CERT_ALL)"
CLEANUP += $(BIN)/.certificate.* $(BIN)/.certificates.*
# (Single-element) list of private keys
#
ifdef KEY
PRIVKEY := $(KEY) # Maintain backwards compatibility
endif
PRIVKEY_LIST := $(BIN)/.private_key.list
ifeq ($(wildcard $(PRIVKEY_LIST)),)
PRIVKEY_OLD := <invalid>
else
PRIVKEY_OLD := $(shell cat $(PRIVKEY_LIST))
endif
ifneq ($(PRIVKEY_OLD),$(PRIVKEY))
$(shell $(ECHO) "$(PRIVKEY)" > $(PRIVKEY_LIST))
endif
$(PRIVKEY_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(PRIVKEY_LIST)
# Embedded private key
#
PRIVKEY_INC := $(BIN)/.private_key.der
ifdef PRIVKEY
$(PRIVKEY_INC) : $(PRIVKEY) $(PRIVKEY_LIST)
$(Q)$(OPENSSL) rsa -in $< -outform DER -out $@
privkey_DEPS += $(PRIVKEY_INC)
endif
CLEANUP += $(BIN)/.private_key.*
privkey_DEPS += $(PRIVKEY_LIST)
CFLAGS_privkey += $(if $(PRIVKEY),-DPRIVATE_KEY="\"$(PRIVKEY_INC)\"")
# (Single-element) list of named configurations
#
CONFIG_LIST := $(BIN)/.config.list
ifeq ($(wildcard $(CONFIG_LIST)),)
CONFIG_OLD := <invalid>
else
CONFIG_OLD := $(shell cat $(CONFIG_LIST))
endif
ifneq ($(CONFIG_OLD),$(CONFIG))
$(shell $(ECHO) "$(CONFIG)" > $(CONFIG_LIST))
endif
$(CONFIG_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(CONFIG_LIST)
# Named configurations
#
ifneq ($(CONFIG),)
ifneq ($(wildcard config/$(CONFIG)),)
CFLAGS += -DCONFIG=$(CONFIG)
endif
CFLAGS += -DLOCAL_CONFIG=$(CONFIG)
endif
config/named.h : $(CONFIG_LIST)
$(Q)$(TOUCH) $@
.PRECIOUS : config/named.h
# (Single-element) list of assertion configuration
#
ASSERT_LIST := $(BIN)/.assert.list
ifeq ($(wildcard $(ASSERT_LIST)),)
ASSERT_OLD := <invalid>
else
ASSERT_OLD := $(shell cat $(ASSERT_LIST))
endif
ifneq ($(ASSERT_OLD),$(ASSERT))
$(shell $(ECHO) "$(ASSERT)" > $(ASSERT_LIST))
endif
$(ASSERT_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(ASSERT_LIST)
# Assertion configuration
#
ifneq ($(ASSERT),)
CFLAGS += -DASSERTING=$(ASSERT)
endif
include/assert.h : $(ASSERT_LIST)
$(Q)$(TOUCH) $@
.PRECIOUS : include/assert.h
# (Single-element) list of profiling configuration
#
PROFILE_LIST := $(BIN)/.profile.list
ifeq ($(wildcard $(PROFILE_LIST)),)
PROFILE_OLD := <invalid>
else
PROFILE_OLD := $(shell cat $(PROFILE_LIST))
endif
ifneq ($(PROFILE_OLD),$(PROFILE))
$(shell $(ECHO) "$(PROFILE)" > $(PROFILE_LIST))
endif
$(PROFILE_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(PROFILE_LIST)
# Profiling configuration
#
ifneq ($(PROFILE),)
CFLAGS += -DPROFILING=$(PROFILE)
endif
include/ipxe/profile.h : $(PROFILE_LIST)
$(Q)$(TOUCH) $@
.PRECIOUS : include/ipxe/profile.h
# These files use .incbin inline assembly to include a binary file.
# Unfortunately ccache does not detect this dependency and caches
# builds even when the binary file has changed.
#
$(BIN)/embedded.% : override CC := env CCACHE_DISABLE=1 $(CC)
$(BIN)/certstore.% : override CC := env CCACHE_DISABLE=1 $(CC)
$(BIN)/privkey.% : override CC := env CCACHE_DISABLE=1 $(CC)
# Debug message autocolourisation range
#
DBGCOL_LIST := $(BIN)/.dbgcol.list
ifeq ($(wildcard $(DBGCOL_LIST)),)
DBGCOL_OLD := <invalid>
else
DBGCOL_OLD := $(shell cat $(DBGCOL_LIST))
endif
ifneq ($(DBGCOL_OLD),$(DBGCOL))
$(shell $(ECHO) "$(DBGCOL)" > $(DBGCOL_LIST))
endif
$(DBGCOL_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(DBGCOL_LIST)
DBGCOL_COLOURS := $(subst -, ,$(DBGCOL))
DBGCOL_MIN := $(firstword $(DBGCOL_COLOURS))
DBGCOL_MAX := $(lastword $(DBGCOL_COLOURS))
debug_DEPS += $(DBGCOL_LIST)
CFLAGS_debug += $(if $(DBGCOL_MIN),-DDBGCOL_MIN=$(DBGCOL_MIN))
CFLAGS_debug += $(if $(DBGCOL_MAX),-DDBGCOL_MAX=$(DBGCOL_MAX))
# We automatically generate rules for any file mentioned in AUTO_SRCS
# using the following set of templates. We use $(eval ...) if
# available, otherwise we generate separate Makefile fragments and
# include them.
# deps_template : generate dependency list for a given source file
#
# $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
#
define deps_template_file
$(call deps_template_parts,$(1),$(subst .,,$(suffix $(1))),$(basename $(notdir $(1))))
endef
#
# $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
# $(2) is the source type (e.g. "c")
# $(3) is the source base name (e.g. "rtl8139")
#
define deps_template_parts
@$(ECHO) " [DEPS] $(1)"
@$(MKDIR) -p $(BIN)/deps/$(dir $(1))
$(Q)$(CPP) $(CFLAGS) $(CFLAGS_$(2)) $(CFLAGS_$(3)) -DOBJECT=$(3) \
-Wno-error -M $(1) -MG -MP | \
sed 's/\.o\s*:/_DEPS +=/' > $(BIN)/deps/$(1).d
endef
# rules_template : generate rules for a given source file
#
# $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
#
define rules_template
$(call rules_template_parts,$(1),$(subst .,,$(suffix $(1))),$(basename $(notdir $(1))))
endef
#
# $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
# $(2) is the source type (e.g. "c")
# $(3) is the source base name (e.g. "rtl8139")
#
define rules_template_parts
$$(BIN)/$(3).o : $(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(3)_DEPS)
$$(QM)$(ECHO) " [BUILD] $$@"
$$(RULE_$(2))
BOBJS += $$(BIN)/$(3).o
$(foreach TGT,$(GENERIC_TARGETS),$(if $(RULE_$(2)_to_$(TGT)),$(NEWLINE)$(call rules_template_target,$(1),$(2),$(3),$(TGT))))
$$(BIN)/deps/$(1).d : $$($(3)_DEPS)
TAGS : $$($(3)_DEPS)
endef
#
# $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
# $(2) is the source type (e.g. "c")
# $(3) is the source base name (e.g. "rtl8139")
# $(4) is the destination type (e.g. "dbg%.o")
#
define rules_template_target
$$(BIN)/$(3).$(4) : $(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(3)_DEPS)
$$(QM)$(ECHO) " [BUILD] $$@"
$$(RULE_$(2)_to_$(4))
$(TGT)_OBJS += $$(BIN)/$(3).$(4)
endef
#
# $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
#
define rules_template_file
@$(ECHO) " [RULES] $(1)"
@$(MKDIR) -p $(BIN)/rules/$(dir $(1))
@$(ECHO_E) '$(subst $(NEWLINE),\n,$(call rules_template,$(1)))' \
> $(BIN)/rules/$(1).r
endef
# Generate the dependency files
#
$(BIN)/deps/%.d : % $(MAKEDEPS)
$(call deps_template_file,$<)
# Calculate list of dependency files
#
AUTO_DEPS = $(patsubst %,$(BIN)/deps/%.d,$(AUTO_SRCS))
autodeps :
@$(ECHO) $(AUTO_DEPS)
VERYCLEANUP += $(BIN)/deps
# Include dependency files
#
ifdef NEED_DEPS
ifneq ($(AUTO_DEPS),)
-include $(AUTO_DEPS)
endif
endif
# Generate the rules files
#
$(BIN)/rules/%.r : % $(MAKEDEPS)
$(call rules_template_file,$<)
# Calculate list of rules files
#
AUTO_RULES = $(patsubst %,$(BIN)/rules/%.r,$(AUTO_SRCS))
autorules :
@$(ECHO) $(AUTO_RULES)
VERYCLEANUP += $(BIN)/rules
# Evaluate rules (or include rules files)
#
ifdef NEED_DEPS
ifneq ($(AUTO_RULES),)
ifneq ($(HAVE_EVAL),)
$(foreach SRC,$(AUTO_SRCS),$(eval $(call rules_template,$(SRC))))
else
-include $(AUTO_RULES)
endif
endif
endif
# Files to be parsed using parserom.pl
#
ROM_SRCS = $(foreach SRC,$(AUTO_SRCS),\
$(if $(findstring drivers/,$(SRC)),$(SRC)))
romsrcs :
@$(ECHO) $(ROM_SRCS)
# List of files to be parsed using parserom.pl
#
ROM_SRCS_LIST := $(BIN)/.rom.list
ifeq ($(wildcard $(ROM_SRCS_LIST)),)
ROM_SRCS_OLD := <invalid>
else
ROM_SRCS_OLD := $(shell cat $(ROM_SRCS_LIST))
endif
ifneq ($(ROM_SRCS_OLD),$(ROM_SRCS))
$(shell $(ECHO) "$(ROM_SRCS)" > $(ROM_SRCS_LIST))
endif
$(ROM_SRCS_LIST) : $(MAKEDEPS)
VERYCLEANUP += $(ROM_SRCS_LIST)
# ROM definition file
#
ROMDEFS = $(BIN)/.rom.defs
$(ROMDEFS) : $(ROM_SRCS) $(ROM_SRCS_LIST) $(PARSEROM) $(MAKEDEPS)
$(QM)$(ECHO) " [PARSEROM]"
$(Q)$(PERL) $(PARSEROM) $(ROM_SRCS) > $@
VERYCLEANUP += $(ROMDEFS)
# Evaluate ROM definition file
ifdef NEED_DEPS
ifneq ($(ROM_SRCS),)
-include $(ROMDEFS)
endif
endif
# Device ID tables (using IDs from ROM definition file)
#
define obj_pci_id_asm
.section ".pci_devlist.$(1)", "a", $(ASM_TCHAR)progbits
.globl pci_devlist_$(1)
pci_devlist_$(1):
.short ( 0x$(1) & 0xffff )
endef
define obj_isa_id_asm
endef
OBJ_IDS_ASM = $(foreach ROM,$(ROMS_$(OBJECT)),$(call obj_$(ROM_TYPE_$(ROM))_id_asm,$(ROM)))
OBJ_IDS_ASM_NL = $(subst $(NEWLINE),\n,$(OBJ_IDS_ASM))
$(BIN)/%.ids :
@$(ECHO_E) '$(OBJ_IDS_ASM_NL)'
BOBJS += $(patsubst %,$(BIN)/%.ids.o,$(DRIVERS))
# The following variables are created by the autogenerated rules