# Makefile for The PCI Utilities
# (c) 1998--2024 Martin Mares <mj@ucw.cz>

OPT=-O2
CFLAGS=$(OPT) -Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes

VERSION=3.12.0
DATE=2024-04-05

# Host OS and release (override if you are cross-compiling)
HOST=
RELEASE=
CROSS_COMPILE=

# Support for compressed pci.ids (yes/no, default: detect)
ZLIB=

# Support for resolving ID's by DNS (yes/no, default: detect)
DNS=

# Build libpci as a shared library (yes/no; or local for testing; requires GCC)
SHARED=no

# Use libkmod to resolve kernel modules on Linux (yes/no, default: detect)
LIBKMOD=

# Use libudev to resolve device names using hwdb on Linux (yes/no, default: detect)
HWDB=

# ABI version suffix in the name of the shared library
# (as we use proper symbol versioning, this seldom needs changing)
ABI_VERSION=3

# Installation directories
PREFIX=/usr/local
BINDIR=$(PREFIX)/bin
SBINDIR=$(PREFIX)/sbin
SHAREDIR=$(PREFIX)/share
IDSDIR=$(SHAREDIR)
MANDIR:=$(shell if [ -d $(PREFIX)/share/man ] ; then echo $(PREFIX)/share/man ; else echo $(PREFIX)/man ; fi)
INCDIR=$(PREFIX)/include
LIBDIR=$(PREFIX)/lib
PKGCFDIR=$(LIBDIR)/pkgconfig

# Commands
INSTALL=install
DIRINSTALL=install -d
STRIP=-s
ifdef CROSS_COMPILE
STRIP+=--strip-program $(CROSS_COMPILE)strip
CC=$(CROSS_COMPILE)gcc
else
CC=cc
endif
AR=$(CROSS_COMPILE)ar
RANLIB=$(CROSS_COMPILE)ranlib
DLLTOOL=$(CROSS_COMPILE)dlltool
WINDRES=$(CROSS_COMPILE)windres

# Base name of the library (overridden on NetBSD, which has its own libpci)
LIBNAME=libpci

-include lib/config.mk

PCIINC=lib/config.h lib/header.h lib/pci.h lib/types.h lib/sysdep.h
PCIINC_INS=lib/config.h lib/header.h lib/pci.h lib/types.h

UTILINC=pciutils.h bitops.h $(PCIINC)

LMR=margin_hw.o margin.o margin_log.o margin_results.o
LMROBJS=$(addprefix lmr/,$(LMR))
LMRINC=lmr/lmr.h $(UTILINC)

export

all: lib/$(PCIIMPLIB) lspci$(EXEEXT) setpci$(EXEEXT) example$(EXEEXT) lspci.8 setpci.8 pcilib.7 pci.ids.5 update-pciids update-pciids.8 $(PCI_IDS) pcilmr$(EXEEXT) pcilmr.8

lib/$(PCIIMPLIB): $(PCIINC) force
	$(MAKE) -C lib all

force:

lib/config.h lib/config.mk:
	cd lib && ./configure

COMMON=common.o
ifeq ($(COMPAT_GETOPT),yes)
PCIINC+=compat/getopt.h
COMMON+=compat/getopt.o
endif

lspci$(EXEEXT): lspci.o ls-vpd.o ls-caps.o ls-caps-vendor.o ls-ecaps.o ls-kernel.o ls-tree.o ls-map.o $(COMMON) lib/$(PCIIMPLIB)
setpci$(EXEEXT): setpci.o $(COMMON) lib/$(PCIIMPLIB)

LSPCIINC=lspci.h $(UTILINC)
lspci.o: lspci.c $(LSPCIINC)
ls-vpd.o: ls-vpd.c $(LSPCIINC)
ls-caps.o: ls-caps.c $(LSPCIINC)
ls-ecaps.o: ls-ecaps.c $(LSPCIINC)
ls-kernel.o: ls-kernel.c $(LSPCIINC)
ls-tree.o: ls-tree.c $(LSPCIINC)
ls-map.o: ls-map.c $(LSPCIINC)

setpci.o: setpci.c $(UTILINC)
common.o: common.c $(UTILINC)
compat/getopt.o: compat/getopt.c

lspci$(EXEEXT): LDLIBS+=$(LIBKMOD_LIBS)
ls-kernel.o: override CFLAGS+=$(LIBKMOD_CFLAGS)

update-pciids: update-pciids.sh
	sed <$< >$@ "s@^DEST=.*@DEST=$(if $(IDSDIR),$(IDSDIR)/,)$(PCI_IDS)@;s@^PCI_COMPRESSED_IDS=.*@PCI_COMPRESSED_IDS=$(PCI_COMPRESSED_IDS)@;s@VERSION=.*@VERSION=$(VERSION)@"
	chmod +x $@

# The example of use of libpci
example$(EXEEXT): example.o lib/$(PCIIMPLIB)
example.o: example.c $(PCIINC)

$(LMROBJS) pcilmr.o: override CFLAGS+=-I .
$(LMROBJS): %.o: %.c $(LMRINC)

pcilmr$(EXEEXT): pcilmr.o $(LMROBJS) $(COMMON) lib/$(PCIIMPLIB)
pcilmr.o: pcilmr.c $(LMRINC)

%$(EXEEXT): %.o
	$(CC) $(CFLAGS) $(LDFLAGS) $(TARGET_ARCH) $^ $(LDLIBS) -o $@

ifdef PCI_OS_WINDOWS
comma := ,
%-rsrc.rc: lib/winrsrc.rc.in
	sed <$< >$@ -e 's,@PCILIB_VERSION@,$(PCILIB_VERSION),' \
		-e 's,@PCILIB_VERSION_WINRC@,$(subst .,\$(comma),$(PCILIB_VERSION).0),' \
		-e 's,@FILENAME@,$(subst -rsrc.rc,$(EXEEXT),$@),' \
		-e 's,@DESCRIPTION@,$(subst -rsrc.rc,,$@),' \
		-e 's,@LIBRARY_BUILD@,0,' \
		-e 's,@DEBUG_BUILD@,$(if $(findstring -g,$(CFLAGS)),1,0),'
%-rsrc.o: %-rsrc.rc
	$(WINDRES) --input=$< --output=$@ --input-format=rc --output-format=coff
lspci$(EXEEXT): lspci-rsrc.o
setpci$(EXEEXT): setpci-rsrc.o
pcilmr$(EXEEXT): pcilmr-rsrc.o
endif

%.8 %.7 %.5: %.man
	M=`echo $(DATE) | sed 's/-01-/-January-/;s/-02-/-February-/;s/-03-/-March-/;s/-04-/-April-/;s/-05-/-May-/;s/-06-/-June-/;s/-07-/-July-/;s/-08-/-August-/;s/-09-/-September-/;s/-10-/-October-/;s/-11-/-November-/;s/-12-/-December-/;s/\(.*\)-\(.*\)-\(.*\)/\3 \2 \1/'` ; sed <$< >$@ "s/@TODAY@/$$M/;s/@VERSION@/pciutils-$(VERSION)/;s#@IDSDIR@#$(IDSDIR)#;s#@PCI_IDS@#$(PCI_IDS)#"

ctags:
	rm -f tags
	find . -name '*.[hc]' -exec ctags --append {} +

TAGS:
	rm -f TAGS
	find . -name '*.[hc]' -exec etags --append {} +

clean:
	rm -f `find . -name "*~" -o -name "*.[oa]" -o -name "\#*\#" -o -name TAGS -o -name core -o -name "*.orig"`
	rm -f update-pciids lspci$(EXEEXT) setpci$(EXEEXT) example$(EXEEXT) lib/config.* *.[578] pci.ids.gz lib/*.pc lib/*.so lib/*.so.* lib/*.dll lib/*.def lib/dllrsrc.rc *-rsrc.rc tags pcilmr$(EXEEXT)
	rm -rf maint/dist

distclean: clean

install: all
# -c is ignored on Linux, but required on FreeBSD
	$(DIRINSTALL) -m 755 $(DESTDIR)$(BINDIR) $(DESTDIR)$(SBINDIR) $(DESTDIR)$(IDSDIR) $(DESTDIR)$(MANDIR)/man8 $(DESTDIR)$(MANDIR)/man7 $(DESTDIR)$(MANDIR)/man5
	$(INSTALL) -c -m 755 $(STRIP) lspci$(EXEEXT) $(DESTDIR)$(LSPCIDIR)
	$(INSTALL) -c -m 755 $(STRIP) setpci$(EXEEXT) $(DESTDIR)$(SBINDIR)
	$(INSTALL) -c -m 755 $(STRIP) pcilmr$(EXEEXT) $(DESTDIR)$(SBINDIR)
	$(INSTALL) -c -m 755 update-pciids $(DESTDIR)$(SBINDIR)
ifneq ($(IDSDIR),)
	$(INSTALL) -c -m 644 $(PCI_IDS) $(DESTDIR)$(IDSDIR)
else
	$(INSTALL) -c -m 644 $(PCI_IDS) $(DESTDIR)$(SBINDIR)
endif
	$(INSTALL) -c -m 644 lspci.8 setpci.8 pcilmr.8 update-pciids.8 $(DESTDIR)$(MANDIR)/man8
	$(INSTALL) -c -m 644 pcilib.7 $(DESTDIR)$(MANDIR)/man7
	$(INSTALL) -c -m 644 pci.ids.5 $(DESTDIR)$(MANDIR)/man5
ifeq ($(SHARED),yes)
ifeq ($(LIBEXT),dylib)
	ln -sf $(PCILIB) $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(ABI_VERSION).$(LIBEXT)
else ifeq ($(LIBEXT),so)
	ln -sf $(PCILIB) $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(LIBEXT).$(ABI_VERSION)
endif
endif

ifeq ($(SHARED),yes)
install: install-pcilib
endif

install-pcilib: lib/$(PCILIB)
	$(DIRINSTALL) -m 755 $(DESTDIR)$(LIBDIR)
ifeq ($(SHARED)_$(LIBEXT),yes_dll)
# DLL library must have executable flag on disk and be placed in same directory as where are EXE files
	$(DIRINSTALL) -m 755 $(DESTDIR)$(SBINDIR)
	$(INSTALL) -c -m 755 lib/$(PCILIB) $(DESTDIR)$(SBINDIR)
else
	$(INSTALL) -c -m 644 lib/$(PCILIB) $(DESTDIR)$(LIBDIR)
endif

install-lib: $(PCIINC_INS) install-pcilib
	$(DIRINSTALL) -m 755 $(DESTDIR)$(INCDIR)/pci $(DESTDIR)$(PKGCFDIR)
	$(INSTALL) -c -m 644 $(PCIINC_INS) $(DESTDIR)$(INCDIR)/pci
	$(INSTALL) -c -m 644 lib/$(PCILIBPC) $(DESTDIR)$(PKGCFDIR)
ifneq ($(PCIIMPLIB),$(PCILIB))
	$(INSTALL) -c -m 644 lib/$(PCIIMPLIB) $(DESTDIR)$(LIBDIR)
endif
ifneq ($(PCIIMPDEF),)
	$(INSTALL) -c -m 644 lib/$(PCIIMPDEF) $(DESTDIR)$(LIBDIR)
endif
ifeq ($(SHARED),yes)
ifeq ($(LIBEXT),dylib)
	ln -sf $(PCILIB) $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(ABI_VERSION).$(LIBEXT)
	ln -sf $(LIBNAME).$(ABI_VERSION).$(LIBEXT) $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(LIBEXT)
else ifeq ($(LIBEXT),so)
	ln -sf $(PCILIB) $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(LIBEXT).$(ABI_VERSION)
	ln -sf $(LIBNAME).$(LIBEXT).$(ABI_VERSION) $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(LIBEXT)
endif
endif

uninstall: all
	rm -f $(DESTDIR)$(LSPCIDIR)/lspci$(EXEEXT) $(DESTDIR)$(SBINDIR)/setpci$(EXEEXT) $(DESTDIR)$(SBINDIR)/pcilmr$(EXEEXT) $(DESTDIR)$(SBINDIR)/update-pciids
ifneq ($(IDSDIR),)
	rm -f $(DESTDIR)$(IDSDIR)/$(PCI_IDS)
else
	rm -f $(DESTDIR)$(SBINDIR)/$(PCI_IDS)
endif
	rm -f $(DESTDIR)$(MANDIR)/man8/lspci.8 $(DESTDIR)$(MANDIR)/man8/setpci.8 $(DESTDIR)$(MANDIR)/man8/pcilmr.8 $(DESTDIR)$(MANDIR)/man8/update-pciids.8
	rm -f $(DESTDIR)$(MANDIR)/man7/pcilib.7
	rm -f $(DESTDIR)$(MANDIR)/man5/pci.ids.5
ifeq ($(SHARED)_$(LIBEXT),yes_dll)
	rm -f $(DESTDIR)$(SBINDIR)/$(PCILIB)
else
	rm -f $(DESTDIR)$(LIBDIR)/$(PCILIB)
endif
	rm -f $(DESTDIR)$(PKGCFDIR)/$(PCILIBPC)
	rm -f $(addprefix $(DESTDIR)$(INCDIR)/pci/,$(notdir $(PCIINC_INS)))
ifneq ($(PCIIMPLIB),$(PCILIB))
	rm -f $(DESTDIR)$(LIBDIR)/$(PCIIMPLIB)
endif
ifneq ($(PCIIMPDEF),)
	rm -f $(DESTDIR)$(LIBDIR)/$(PCIIMPDEF)
endif
ifeq ($(SHARED),yes)
ifneq ($(LIBEXT),dll)
	rm -f $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(LIBEXT)
ifeq ($(LIBEXT),dylib)
	rm -f $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(ABI_VERSION).$(LIBEXT)
else
	rm -f $(DESTDIR)$(LIBDIR)/$(LIBNAME).$(LIBEXT).$(ABI_VERSION)
endif
endif
endif

pci.ids.gz: pci.ids
	gzip -9n <$< >$@

.PHONY: all clean distclean install install-lib uninstall force tags TAGS