contrib/src/main.mak

   1 # Main makefile for VLC 3rd party libraries ("contrib")
   2 # Copyright (C) 2003-2011 the VideoLAN team
   3 #
   4 # This file is under the same license as the vlc package.
   5
   6 all: install
   7
   8 # bootstrap configuration
   9 include config.mak
  10
  11 TOPSRC ?= ../../contrib
  12 TOPDST ?= ..
  13 SRC := $(TOPSRC)/src
  14 TARBALLS := $(TOPSRC)/tarballs
  15
  16 PATH :=$(abspath ../../extras/tools/build/bin):$(PATH)
  17 export PATH
  18
  19 PKGS_ALL := $(patsubst $(SRC)/%/rules.mak,%,$(wildcard $(SRC)/*/rules.mak))
  20 DATE := $(shell date +%Y%m%d)
  21 VPATH := $(TARBALLS)
  22
  23 # Common download locations
  24 GNU ?= http://ftp.gnu.org/gnu
  25 SF := http://heanet.dl.sourceforge.net/sourceforge
  26 VIDEOLAN := http://downloads.videolan.org/pub/videolan
  27 CONTRIB_VIDEOLAN := http://downloads.videolan.org/pub/contrib
  28
  29 #
  30 # Machine-dependent variables
  31 #
  32
  33 PREFIX ?= $(TOPDST)/$(HOST)
  34 PREFIX := $(abspath $(PREFIX))
  35 BUILDPREFIX ?= $(TOPDST)
  36 BUILDPREFIX := $(abspath $(BUILDPREFIX))
  37 BUILDBINDIR ?= $(BUILDPREFIX)/bin
  38 ifneq ($(HOST),$(BUILD))
  39 HAVE_CROSS_COMPILE = 1
  40 endif
  41 ARCH := $(shell $(SRC)/get-arch.sh $(HOST))
  42
  43 ifeq ($(ARCH)-$(HAVE_WIN32),x86_64-1)
  44 HAVE_WIN64 := 1
  45 endif
  46
  47 ifdef HAVE_CROSS_COMPILE
  48 need_pkg = 1
  49 else
  50 need_pkg = $(shell $(PKG_CONFIG) $(1) || echo 1)
  51 endif
  52
  53 #
  54 # Default values for tools
  55 #
  56 ifndef HAVE_CROSS_COMPILE
  57 ifneq ($(findstring $(origin CC),undefined default),)
  58 CC := gcc
  59 endif
  60 ifneq ($(findstring $(origin CXX),undefined default),)
  61 CXX := g++
  62 endif
  63 ifneq ($(findstring $(origin LD),undefined default),)
  64 LD := ld
  65 endif
  66 ifneq ($(findstring $(origin AR),undefined default),)
  67 AR := ar
  68 endif
  69 ifneq ($(findstring $(origin RANLIB),undefined default),)
  70 RANLIB := ranlib
  71 endif
  72 ifneq ($(findstring $(origin STRIP),undefined default),)
  73 STRIP := strip
  74 endif
  75 ifneq ($(findstring $(origin WIDL),undefined default),)
  76 WIDL := widl
  77 endif
  78 else
  79 ifneq ($(findstring $(origin CC),undefined default),)
  80 CC := $(HOST)-gcc
  81 endif
  82 ifneq ($(findstring $(origin CXX),undefined default),)
  83 CXX := $(HOST)-g++
  84 endif
  85 ifneq ($(findstring $(origin LD),undefined default),)
  86 LD := $(HOST)-ld
  87 endif
  88 ifneq ($(findstring $(origin AR),undefined default),)
  89 AR := $(HOST)-ar
  90 endif
  91 ifneq ($(findstring $(origin RANLIB),undefined default),)
  92 RANLIB := $(HOST)-ranlib
  93 endif
  94 ifneq ($(findstring $(origin STRIP),undefined default),)
  95 STRIP := $(HOST)-strip
  96 endif
  97 ifneq ($(findstring $(origin WIDL),undefined default),)
  98 WIDL := $(HOST)-widl
  99 endif
 100 endif
 101
 102 ifdef HAVE_ANDROID
 103 CC :=  clang
 104 CXX := clang++
 105 endif
 106
 107 ifdef HAVE_MACOSX
 108 MIN_OSX_VERSION=10.7
 109 CC=xcrun cc
 110 CXX=xcrun c++
 111 AR=xcrun ar
 112 LD=xcrun ld
 113 STRIP=xcrun strip
 114 RANLIB=xcrun ranlib
 115 EXTRA_CFLAGS += -isysroot $(MACOSX_SDK) -mmacosx-version-min=$(MIN_OSX_VERSION) -DMACOSX_DEPLOYMENT_TARGET=$(MIN_OSX_VERSION)
 116 EXTRA_CXXFLAGS += -stdlib=libc++
 117 EXTRA_LDFLAGS += -Wl,-syslibroot,$(MACOSX_SDK) -mmacosx-version-min=$(MIN_OSX_VERSION) -isysroot $(MACOSX_SDK) -DMACOSX_DEPLOYMENT_TARGET=$(MIN_OSX_VERSION)
 118 ifeq ($(ARCH),x86_64)
 119 EXTRA_CFLAGS += -m64
 120 EXTRA_LDFLAGS += -m64
 121 else
 122 EXTRA_CFLAGS += -m32
 123 EXTRA_LDFLAGS += -m32
 124 endif
 125
 126 XCODE_FLAGS = MACOSX_DEPLOYMENT_TARGET=$(MIN_OSX_VERSION) -sdk macosx$(OSX_VERSION) -arch $(ARCH)
 127
 128 endif
 129
 130 CCAS=$(CC) -c
 131
 132 ifdef HAVE_IOS
 133 CC=xcrun clang
 134 CXX=xcrun clang++
 135 ifdef HAVE_NEON
 136 AS=perl $(abspath ../../extras/tools/build/bin/gas-preprocessor.pl) $(CC)
 137 CCAS=gas-preprocessor.pl $(CC) -c
 138 else
 139 CCAS=$(CC) -c
 140 endif
 141 AR=xcrun ar
 142 LD=xcrun ld
 143 STRIP=xcrun strip
 144 RANLIB=xcrun ranlib
 145 EXTRA_CFLAGS += $(CFLAGS)
 146 EXTRA_LDFLAGS += $(LDFLAGS)
 147 endif
 148
 149 ifdef HAVE_WIN32
 150 ifneq ($(shell $(CC) $(CFLAGS) -E -dM -include _mingw.h - < /dev/null | grep -E __MINGW64_VERSION_MAJOR),)
 151 HAVE_MINGW_W64 := 1
 152 endif
 153 endif
 154
 155 ifdef HAVE_SOLARIS
 156 ifeq ($(ARCH),x86_64)
 157 EXTRA_CFLAGS += -m64
 158 EXTRA_LDFLAGS += -m64
 159 else
 160 EXTRA_CFLAGS += -m32
 161 EXTRA_LDFLAGS += -m32
 162 endif
 163 endif
 164
 165 cppcheck = $(shell $(CC) $(CFLAGS) -E -dM - < /dev/null | grep -E $(1))
 166
 167 EXTRA_CFLAGS += -I$(PREFIX)/include
 168 CPPFLAGS := $(CPPFLAGS) $(EXTRA_CFLAGS)
 169 CFLAGS := $(CFLAGS) $(EXTRA_CFLAGS) -g
 170 CXXFLAGS := $(CXXFLAGS) $(EXTRA_CFLAGS) $(EXTRA_CXXFLAGS) -g
 171 EXTRA_LDFLAGS += -L$(PREFIX)/lib
 172 LDFLAGS := $(LDFLAGS) $(EXTRA_LDFLAGS)
 173
 174 ifndef WITH_OPTIMIZATION
 175 CFLAGS := $(CFLAGS) -O0
 176 CXXFLAGS := $(CXXFLAGS) -O0
 177 else
 178 CFLAGS := $(CFLAGS) -O2
 179 CXXFLAGS := $(CXXFLAGS) -O2
 180 endif
 181
 182 # Do not export those! Use HOSTVARS.
 183
 184 # Do the FPU detection, after we have figured out our compilers and flags.
 185 ifneq ($(findstring $(ARCH),aarch64 i386 ppc ppc64 sparc sparc64 x86_64),)
 186 # This should be consistent with include/vlc_cpu.h
 187 HAVE_FPU = 1
 188 else ifneq ($(findstring $(ARCH),arm),)
 189 ifneq ($(call cppcheck, __VFP_FP__)),)
 190 ifeq ($(call cppcheck, __SOFTFP__),)
 191 HAVE_FPU = 1
 192 endif
 193 endif
 194 else ifneq ($(call cppcheck, __mips_hard_float),)
 195 HAVE_FPU = 1
 196 endif
 197
 198 ACLOCAL_AMFLAGS += -I$(PREFIX)/share/aclocal
 199 export ACLOCAL_AMFLAGS
 200
 201 #########
 202 # Tools #
 203 #########
 204
 205 PKG_CONFIG ?= pkg-config
 206 ifdef HAVE_CROSS_COMPILE
 207 # This inhibits .pc file from within the cross-compilation toolchain sysroot.
 208 # Hopefully, nobody ever needs that.
 209 PKG_CONFIG_PATH := /usr/share/pkgconfig
 210 PKG_CONFIG_LIBDIR := /usr/$(HOST)/lib/pkgconfig
 211 export PKG_CONFIG_LIBDIR
 212 endif
 213 PKG_CONFIG_PATH := $(PREFIX)/lib/pkgconfig:$(PKG_CONFIG_PATH)
 214 export PKG_CONFIG_PATH
 215
 216 ifndef GIT
 217 ifeq ($(shell git --version >/dev/null 2>&1 || echo FAIL),)
 218 GIT = git
 219 endif
 220 endif
 221 GIT ?= $(error git not found!)
 222
 223 ifndef SVN
 224 ifeq ($(shell svn --version >/dev/null 2>&1 || echo FAIL),)
 225 SVN = svn
 226 endif
 227 endif
 228 SVN ?= $(error subversion client (svn) not found!)
 229
 230 ifeq ($(shell curl --version >/dev/null 2>&1 || echo FAIL),)
 231 download = curl -f -L -- "$(1)" > "$@"
 232 else ifeq ($(shell wget --version >/dev/null 2>&1 || echo FAIL),)
 233 download = (rm -f $@.tmp && \
 234         wget --passive -c -p -O $@.tmp "$(1)" && \
 235         touch $@.tmp && \
 236         mv $@.tmp $@ )
 237 else ifeq ($(which fetch >/dev/null 2>&1 || echo FAIL),)
 238 download = (rm -f $@.tmp && \
 239         fetch -p -o $@.tmp "$(1)" && \
 240         touch $@.tmp && \
 241         mv $@.tmp $@)
 242 else
 243 download = $(error Neither curl nor wget found!)
 244 endif
 245
 246 download_pkg = $(call download,$(CONTRIB_VIDEOLAN)/$(2)/$(lastword $(subst /, ,$(@)))) || \
 247         ( $(call download,$(1)) && echo "Please upload this package $(lastword $(subst /, ,$(@))) to our FTP" )
 248
 249 ifeq ($(shell which xzcat >/dev/null 2>&1 || echo FAIL),)
 250 XZCAT = xzcat
 251 else
 252 XZCAT ?= $(error xz and lzma client not found!)
 253 endif
 254
 255 ifeq ($(shell which bzcat >/dev/null 2>&1 || echo FAIL),)
 256 BZCAT = bzcat
 257 else
 258 BZCAT ?= $(error Bunzip2 client (bzcat) not found!)
 259 endif
 260
 261 ifeq ($(shell gzcat --version >/dev/null 2>&1 || echo FAIL),)
 262 ZCAT = gzcat
 263 else ifeq ($(shell zcat --version >/dev/null 2>&1 || echo FAIL),)
 264 ZCAT = zcat
 265 else
 266 ZCAT ?= $(error Gunzip client (zcat) not found!)
 267 endif
 268
 269 ifeq ($(shell sha512sum --version >/dev/null 2>&1 || echo FAIL),)
 270 SHA512SUM = sha512sum --check
 271 else ifeq ($(shell shasum --version >/dev/null 2>&1 || echo FAIL),)
 272 SHA512SUM = shasum -a 512 --check
 273 else ifeq ($(shell openssl version >/dev/null 2>&1 || echo FAIL),)
 274 SHA512SUM = openssl dgst -sha512
 275 else
 276 SHA512SUM = $(error SHA-512 checksumming not found!)
 277 endif
 278
 279 ifeq ($(shell protoc --version >/dev/null 2>&1 || echo FAIL),)
 280 PROTOC = protoc
 281 else
 282 PROTOC ?= $(error Protobuf compiler (protoc) not found!)
 283 endif
 284
 285 #
 286 # Common helpers
 287 #
 288 HOSTCONF := --prefix="$(PREFIX)"
 289 HOSTCONF += --datarootdir="$(PREFIX)/share"
 290 HOSTCONF += --includedir="$(PREFIX)/include"
 291 HOSTCONF += --libdir="$(PREFIX)/lib"
 292 HOSTCONF += --build="$(BUILD)" --host="$(HOST)" --target="$(HOST)"
 293 HOSTCONF += --program-prefix=""
 294 # libtool stuff:
 295 HOSTCONF += --enable-static --disable-shared --disable-dependency-tracking
 296 ifdef HAVE_WIN32
 297 HOSTCONF += --without-pic
 298 PIC :=
 299 else
 300 HOSTCONF += --with-pic
 301 PIC := -fPIC
 302 endif
 303
 304 HOSTTOOLS := \
 305         CC="$(CC)" CXX="$(CXX)" LD="$(LD)" \
 306         AR="$(AR)" CCAS="$(CCAS)" RANLIB="$(RANLIB)" STRIP="$(STRIP)" \
 307         PATH="$(PREFIX)/bin:$(PATH)"
 308 HOSTVARS := $(HOSTTOOLS) \
 309         CPPFLAGS="$(CPPFLAGS)" \
 310         CFLAGS="$(CFLAGS)" \
 311         CXXFLAGS="$(CXXFLAGS)" \
 312         LDFLAGS="$(LDFLAGS)"
 313 HOSTVARS_PIC := $(HOSTTOOLS) \
 314         CPPFLAGS="$(CPPFLAGS) $(PIC)" \
 315         CFLAGS="$(CFLAGS) $(PIC)" \
 316         CXXFLAGS="$(CXXFLAGS) $(PIC)" \
 317         LDFLAGS="$(LDFLAGS)"
 318
 319 download_git = \
 320         rm -Rf $(@:.tar.xz=) && \
 321         $(GIT) clone $(subst HEAD, --depth 1,$(findstring HEAD, $3)) $(2:%=--branch %) $(1) $(@:.tar.xz=) && \
 322         (cd $(@:.tar.xz=) && $(GIT) checkout $(3:%= %)) && \
 323         rm -Rf $(@:%.tar.xz=%)/.git && \
 324         (cd $(dir $@) && \
 325         tar cvJ $(notdir $(@:.tar.xz=))) > $@ && \
 326         rm -Rf $(@:.tar.xz=)
 327 checksum = \
 328         $(foreach f,$(filter $(TARBALLS)/%,$^), \
 329                 grep -- " $(f:$(TARBALLS)/%=%)$$" \
 330                         "$(SRC)/$(patsubst .sum-%,%,$@)/$(2)SUMS" &&) \
 331         (cd $(TARBALLS) && $(1) /dev/stdin) < \
 332                 "$(SRC)/$(patsubst .sum-%,%,$@)/$(2)SUMS"
 333 CHECK_SHA512 = $(call checksum,$(SHA512SUM),SHA512)
 334 UNPACK = $(RM) -R $@ \
 335         $(foreach f,$(filter %.tar.gz %.tgz,$^), && tar xvzf $(f)) \
 336         $(foreach f,$(filter %.tar.bz2,$^), && tar xvjf $(f)) \
 337         $(foreach f,$(filter %.tar.xz,$^), && tar xvJf $(f)) \
 338         $(foreach f,$(filter %.zip,$^), && unzip $(f))
 339 UNPACK_DIR = $(patsubst %.tar,%,$(basename $(notdir $<)))
 340 APPLY = (cd $(UNPACK_DIR) && patch -fp1) <
 341 pkg_static = (cd $(UNPACK_DIR) && ../../../contrib/src/pkg-static.sh $(1))
 342 MOVE = mv $(UNPACK_DIR) $@ && touch $@
 343
 344 AUTOMAKE_DATA_DIRS=$(foreach n,$(foreach n,$(subst :, ,$(shell echo $$PATH)),$(abspath $(n)/../share)),$(wildcard $(n)/automake*))
 345 UPDATE_AUTOCONFIG = for dir in $(AUTOMAKE_DATA_DIRS); do \
 346                 if test -f "$${dir}/config.sub" -a -f "$${dir}/config.guess"; then \
 347                         cp "$${dir}/config.sub" "$${dir}/config.guess" $(UNPACK_DIR); \
 348                         break; \
 349                 fi; \
 350         done
 351
 352 ifdef HAVE_IOS
 353 AUTORECONF = AUTOPOINT=true autoreconf
 354 else
 355 AUTORECONF = autoreconf
 356 endif
 357 RECONF = mkdir -p -- $(PREFIX)/share/aclocal && \
 358         cd $< && $(AUTORECONF) -fiv $(ACLOCAL_AMFLAGS)
 359 CMAKE = cmake . -DCMAKE_TOOLCHAIN_FILE=$(abspath toolchain.cmake) \
 360                 -DCMAKE_INSTALL_PREFIX=$(PREFIX) $(CMAKE_GENERATOR)
 361
 362 #
 363 # Per-package build rules
 364 #
 365 PKGS_FOUND :=
 366 include $(SRC)/*/rules.mak
 367
 368 ifeq ($(PKGS_DISABLE), all)
 369 PKGS :=
 370 endif
 371 #
 372 # Targets
 373 #
 374 ifneq ($(filter $(PKGS_DISABLE),$(PKGS_ENABLE)),)
 375 $(error Same package(s) disabled and enabled at the same time)
 376 endif
 377 # Apply automatic selection (= remove distro packages):
 378 PKGS_AUTOMATIC := $(filter-out $(PKGS_FOUND),$(PKGS))
 379 # Apply manual selection (from bootstrap):
 380 PKGS_MANUAL := $(sort $(PKGS_ENABLE) $(filter-out $(PKGS_DISABLE),$(PKGS_AUTOMATIC)))
 381 # Resolve dependencies:
 382 PKGS_DEPS := $(filter-out $(PKGS_FOUND) $(PKGS_MANUAL),$(sort $(foreach p,$(PKGS_MANUAL),$(DEPS_$(p)))))
 383 PKGS := $(sort $(PKGS_MANUAL) $(PKGS_DEPS))
 384
 385 fetch: $(PKGS:%=.sum-%)
 386 fetch-all: $(PKGS_ALL:%=.sum-%)
 387 install: $(PKGS:%=.%)
 388
 389 mostlyclean:
 390         -$(RM) $(foreach p,$(PKGS_ALL),.$(p) .sum-$(p) .dep-$(p))
 391         -$(RM) toolchain.cmake
 392         -$(RM) -R "$(PREFIX)"
 393         -$(RM) -R "$(BUILDBINDIR)"
 394         -$(RM) -R */
 395
 396 clean: mostlyclean
 397         -$(RM) $(TARBALLS)/*.*
 398
 399 distclean: clean
 400         $(RM) config.mak
 401         unlink Makefile
 402
 403 PREBUILT_URL=ftp://ftp.videolan.org/pub/videolan/contrib/$(HOST)/vlc-contrib-$(HOST)-latest.tar.bz2
 404
 405 vlc-contrib-$(HOST)-latest.tar.bz2:
 406         $(call download,$(PREBUILT_URL))
 407
 408 prebuilt: vlc-contrib-$(HOST)-latest.tar.bz2
 409         -$(UNPACK)
 410         $(RM) -r $(TOPDST)/$(HOST)
 411         mv $(HOST) $(TOPDST)
 412         cd $(TOPDST)/$(HOST) && $(SRC)/change_prefix.sh
 413 ifdef HAVE_WIN32
 414 ifndef HAVE_CROSS_COMPILE
 415         $(RM) `find $(TOPDST)/$(HOST)/bin | file -f- | grep ELF | awk -F: '{print $$1}' | xargs`
 416 endif
 417 endif
 418
 419 package: install
 420         rm -Rf tmp/
 421         mkdir -p tmp/
 422         cp -R $(PREFIX) tmp/
 423         # remove useless files
 424         cd tmp/$(notdir $(PREFIX)); \
 425                 cd share; rm -Rf man doc gtk-doc info lua projectM; cd ..; \
 426                 rm -Rf man sbin etc lib/lua lib/sidplay
 427         cd tmp/$(notdir $(PREFIX)) && $(abspath $(SRC))/change_prefix.sh $(PREFIX) @@CONTRIB_PREFIX@@
 428         (cd tmp && tar c $(notdir $(PREFIX))/) | bzip2 -c > ../vlc-contrib-$(HOST)-$(DATE).tar.bz2
 429
 430 list:
 431         @echo All packages:
 432         @echo '  $(PKGS_ALL)' | tr " " "\n" | sort | tr "\n" " " |fmt
 433         @echo Distribution-provided packages:
 434         @echo '  $(PKGS_FOUND)' | tr " " "\n" | sort | tr "\n" " " |fmt
 435         @echo Automatically selected packages:
 436         @echo '  $(PKGS_AUTOMATIC)' | tr " " "\n" | sort | tr "\n" " " |fmt
 437         @echo Manually deselected packages:
 438         @echo '  $(PKGS_DISABLE)' | tr " " "\n" | sort | tr "\n" " " |fmt
 439         @echo Manually selected packages:
 440         @echo '  $(PKGS_ENABLE)' | tr " " "\n" | sort | tr "\n" " " |fmt
 441         @echo Depended-on packages:
 442         @echo '  $(PKGS_DEPS)' | tr " " "\n" | sort | tr "\n" " " |fmt
 443         @echo To-be-built packages:
 444         @echo '  $(PKGS)' | tr " " "\n" | sort | tr "\n" " " |fmt
 445
 446 help:
 447         @cat $(SRC)/help.txt
 448
 449 .PHONY: all fetch fetch-all install mostlyclean clean distclean package list help prebuilt
 450
 451 # CMake toolchain
 452 toolchain.cmake:
 453         $(RM) $@
 454 ifdef HAVE_WIN32
 455 ifdef HAVE_WINDOWSPHONE
 456         echo "set(CMAKE_SYSTEM_NAME WindowsPhone)" >> $@
 457 else
 458 ifdef HAVE_WINSTORE
 459         echo "set(CMAKE_SYSTEM_NAME WindowsStore)" >> $@
 460 else
 461         echo "set(CMAKE_SYSTEM_NAME Windows)" >> $@
 462 endif
 463 endif
 464         echo "set(CMAKE_RC_COMPILER $(HOST)-windres)" >> $@
 465 endif
 466 ifdef HAVE_DARWIN_OS
 467         echo "set(CMAKE_SYSTEM_NAME Darwin)" >> $@
 468         echo "set(CMAKE_C_FLAGS $(CFLAGS))" >> $@
 469         echo "set(CMAKE_CXX_FLAGS $(CFLAGS) $(EXTRA_CXXFLAGS))" >> $@
 470         echo "set(CMAKE_LD_FLAGS $(LDFLAGS))" >> $@
 471         echo "set(CMAKE_AR ar CACHE FILEPATH "Archiver")" >> $@
 472 ifdef HAVE_IOS
 473         echo "set(CMAKE_OSX_SYSROOT $(IOS_SDK))" >> $@
 474 else
 475         echo "set(CMAKE_OSX_SYSROOT $(MACOSX_SDK))" >> $@
 476 endif
 477 endif
 478 ifdef HAVE_CROSS_COMPILE
 479         echo "set(_CMAKE_TOOLCHAIN_PREFIX $(HOST)-)" >> $@
 480 ifdef HAVE_ANDROID
 481 # cmake will overwrite our --sysroot with a native (host) one on Darwin
 482 # Set it to "" right away to short-circuit this behaviour
 483         echo "set(CMAKE_CXX_SYSROOT_FLAG \"\")" >> $@
 484         echo "set(CMAKE_C_SYSROOT_FLAG \"\")" >> $@
 485         echo "set(CMAKE_SYSTEM_NAME Android)" >> $@
 486 endif
 487 endif
 488         echo "set(CMAKE_C_COMPILER $(CC))" >> $@
 489         echo "set(CMAKE_CXX_COMPILER $(CXX))" >> $@
 490         echo "set(CMAKE_FIND_ROOT_PATH $(PREFIX))" >> $@
 491         echo "set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)" >> $@
 492         echo "set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)" >> $@
 493         echo "set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)" >> $@
 494
 495 # Default pattern rules
 496 .sum-%: $(SRC)/%/SHA512SUMS
 497         $(CHECK_SHA512)
 498         touch $@
 499
 500 .sum-%:
 501         $(error Download and check target not defined for $*)
 502
 503 # Dummy dependency on found packages
 504 $(patsubst %,.dep-%,$(PKGS_FOUND)): .dep-%:
 505         touch $@
 506
 507 # Real dependency on missing packages
 508 $(patsubst %,.dep-%,$(filter-out $(PKGS_FOUND),$(PKGS_ALL))): .dep-%: .%
 509         touch -r $< $@
 510
 511 .SECONDEXPANSION:
 512
 513 # Dependency propagation (convert 'DEPS_foo = bar' to '.foo: .bar')
 514 $(foreach p,$(PKGS_ALL),.$(p)): .%: $$(foreach d,$$(DEPS_$$*),.dep-$$(d))
 515
 516 .DELETE_ON_ERROR: