package/Makefile.in

   1 ifndef MAKE
   2 MAKE := make
   3 endif
   4 ifndef HOSTMAKE
   5 HOSTMAKE = $(MAKE)
   6 endif
   7 HOSTMAKE := $(shell which $(HOSTMAKE) || type -p $(HOSTMAKE) || echo make)
   8
   9 # If BR2_JLEVEL is 0, scale the maximum concurrency with the number of
  10 # CPUs. An additional job is used in order to keep processors busy
  11 # while waiting on I/O.
  12 # If the number of processors is not available, assume one.
  13 ifeq ($(BR2_JLEVEL),0)
  14 PARALLEL_JOBS := $(shell echo \
  15         $$((1 + `getconf _NPROCESSORS_ONLN 2>/dev/null || echo 1`)))
  16 else
  17 PARALLEL_JOBS := $(BR2_JLEVEL)
  18 endif
  19
  20 MAKE1 := $(HOSTMAKE) -j1
  21 override MAKE = $(HOSTMAKE) \
  22         $(if $(findstring j,$(filter-out --%,$(MAKEFLAGS))),,-j$(PARALLEL_JOBS))
  23
  24 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
  25 TARGET_VENDOR = $(call qstrip,$(BR2_TOOLCHAIN_BUILDROOT_VENDOR))
  26 else
  27 TARGET_VENDOR = buildroot
  28 endif
  29
  30 # Sanity checks
  31 ifeq ($(TARGET_VENDOR),)
  32 $(error BR2_TOOLCHAIN_BUILDROOT_VENDOR is not allowed to be empty)
  33 endif
  34 ifeq ($(TARGET_VENDOR),unknown)
  35 $(error BR2_TOOLCHAIN_BUILDROOT_VENDOR cannot be 'unknown'. \
  36         It might be confused with the native toolchain)
  37 endif
  38
  39 # Compute GNU_TARGET_NAME
  40 GNU_TARGET_NAME = $(ARCH)-$(TARGET_VENDOR)-$(TARGET_OS)-$(LIBC)$(ABI)
  41
  42 # FLAT binary format needs uclinux
  43 ifeq ($(BR2_BINFMT_FLAT),y)
  44 TARGET_OS = uclinux
  45 else
  46 TARGET_OS = linux
  47 endif
  48
  49 ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),y)
  50 LIBC = uclibc
  51 else ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
  52 LIBC = musl
  53 else
  54 LIBC = gnu
  55 endif
  56
  57 # The ABI suffix is a bit special on ARM, as it needs to be
  58 # -uclibcgnueabi for uClibc EABI, and -gnueabi for glibc EABI.
  59 # This means that the LIBC and ABI aren't strictly orthogonal,
  60 # which explains why we need the test on LIBC below.
  61 ifeq ($(BR2_arm)$(BR2_armeb),y)
  62 ifeq ($(LIBC),uclibc)
  63 ABI = gnueabi
  64 else
  65 ABI = eabi
  66 endif
  67
  68 ifeq ($(BR2_ARM_EABIHF),y)
  69 ABI := $(ABI)hf
  70 endif
  71 endif
  72
  73 # For FSL PowerPC there's SPE
  74 ifeq ($(BR2_powerpc_SPE),y)
  75 ABI = spe
  76 # MPC8540s are e500v1 with single precision FP
  77 ifeq ($(BR2_powerpc_8540),y)
  78 TARGET_ABI += -mabi=spe -mfloat-gprs=single -Wa,-me500
  79 endif
  80 ifeq ($(BR2_powerpc_8548),y)
  81 TARGET_ABI += -mabi=spe -mfloat-gprs=double -Wa,-me500x2
  82 endif
  83 ifeq ($(BR2_powerpc_e500mc),y)
  84 TARGET_ABI += -mabi=spe -mfloat-gprs=double -Wa,-me500mc
  85 endif
  86 endif
  87
  88 # Use longcalls option for Xtensa globally.
  89 # The 'longcalls' option allows calls across a greater range of addresses,
  90 # and is required for some packages. While this option can degrade both
  91 # code size and performance, the linker can usually optimize away the
  92 # overhead when a call ends up within a certain range.
  93 #
  94 # Use auto-litpools for Xtensa globally.
  95 # Collecting literals into separate section can be advantageous if that
  96 # section is placed into DTCM at link time. This is applicable for code
  97 # running on bare metal, but makes no sense under linux, where userspace
  98 # is isolated from the physical memory details. OTOH placing literals into
  99 # separate section breaks build of huge source files, because l32r
 100 # instruction can only access literals in 256 KBytes range.
 101 #
 102 ifeq ($(BR2_xtensa),y)
 103 TARGET_ABI += -mlongcalls -mauto-litpools
 104 endif
 105
 106 ifeq ($(BR2_arc)$(BR2_ARC_ATOMIC_EXT),yy)
 107 TARGET_ABI += -matomic
 108 endif
 109
 110 STAGING_SUBDIR = $(GNU_TARGET_NAME)/sysroot
 111 STAGING_DIR    = $(HOST_DIR)/$(STAGING_SUBDIR)
 112
 113 ifeq ($(BR2_OPTIMIZE_0),y)
 114 TARGET_OPTIMIZATION = -O0
 115 endif
 116 ifeq ($(BR2_OPTIMIZE_1),y)
 117 TARGET_OPTIMIZATION = -O1
 118 endif
 119 ifeq ($(BR2_OPTIMIZE_2),y)
 120 TARGET_OPTIMIZATION = -O2
 121 endif
 122 ifeq ($(BR2_OPTIMIZE_3),y)
 123 TARGET_OPTIMIZATION = -O3
 124 endif
 125 ifeq ($(BR2_OPTIMIZE_G),y)
 126 TARGET_OPTIMIZATION = -Og
 127 endif
 128 ifeq ($(BR2_OPTIMIZE_S),y)
 129 TARGET_OPTIMIZATION = -Os
 130 endif
 131 ifeq ($(BR2_OPTIMIZE_FAST),y)
 132 TARGET_OPTIMIZATION = -Ofast
 133 endif
 134 ifeq ($(BR2_DEBUG_1),y)
 135 TARGET_DEBUGGING = -g1
 136 endif
 137 ifeq ($(BR2_DEBUG_2),y)
 138 TARGET_DEBUGGING = -g2
 139 endif
 140 ifeq ($(BR2_DEBUG_3),y)
 141 TARGET_DEBUGGING = -g3
 142 endif
 143
 144 TARGET_CFLAGS_RELRO = -Wl,-z,relro
 145 TARGET_CFLAGS_RELRO_FULL = -Wl,-z,now $(TARGET_CFLAGS_RELRO)
 146
 147 TARGET_LDFLAGS = $(call qstrip,$(BR2_TARGET_LDFLAGS))
 148
 149 ifeq ($(BR2_SSP_REGULAR),y)
 150 TARGET_CPPFLAGS += -fstack-protector
 151 else ifeq ($(BR2_SSP_STRONG),y)
 152 TARGET_CPPFLAGS += -fstack-protector-strong
 153 else ifeq ($(BR2_SSP_ALL),y)
 154 TARGET_CPPFLAGS += -fstack-protector-all
 155 endif
 156
 157 ifeq ($(BR2_RELRO_PARTIAL),y)
 158 TARGET_CPPFLAGS += $(TARGET_CFLAGS_RELRO)
 159 TARGET_LDFLAGS += $(TARGET_CFLAGS_RELRO)
 160 else ifeq ($(BR2_RELRO_FULL),y)
 161 TARGET_CPPFLAGS += -fPIE $(TARGET_CFLAGS_RELRO_FULL)
 162 TARGET_LDFLAGS += -pie
 163 endif
 164
 165 ifeq ($(BR2_FORTIFY_SOURCE_1),y)
 166 TARGET_CPPFLAGS += -D_FORTIFY_SOURCE=1
 167 else ifeq ($(BR2_FORTIFY_SOURCE_2),y)
 168 TARGET_CPPFLAGS += -D_FORTIFY_SOURCE=2
 169 endif
 170
 171 TARGET_CPPFLAGS += -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 172 TARGET_CFLAGS = $(TARGET_CPPFLAGS) $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
 173 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 174 TARGET_FCFLAGS = $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
 175
 176 ifeq ($(BR2_BINFMT_FLAT),y)
 177 TARGET_CFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),\
 178         -Wl$(comma)-elf2flt)
 179 TARGET_CXXFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),\
 180         -Wl$(comma)-elf2flt)
 181 TARGET_FCFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),\
 182         -Wl$(comma)-elf2flt)
 183 TARGET_LDFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt)
 184 endif
 185
 186 ifeq ($(BR2_BINFMT_FLAT_SHARED),y)
 187 TARGET_LDFLAGS += -mid-shared-library -mshared-library-id=0
 188 TARGET_CFLAGS += -mid-shared-library -mshared-library-id=0
 189 TARGET_FCFLAGS += -mid-shared-library -mshared-library-id=0
 190 TARGET_CXXFLAGS += -mid-shared-library -mshared-library-id=0
 191 endif
 192
 193 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
 194 TARGET_CROSS = $(HOST_DIR)/bin/$(GNU_TARGET_NAME)-
 195 else
 196 TARGET_CROSS = $(HOST_DIR)/bin/$(TOOLCHAIN_EXTERNAL_PREFIX)-
 197 endif
 198
 199 # Define TARGET_xx variables for all common binutils/gcc
 200 TARGET_AR       = $(TARGET_CROSS)ar
 201 TARGET_AS       = $(TARGET_CROSS)as
 202 TARGET_CC       = $(TARGET_CROSS)gcc
 203 TARGET_CPP      = $(TARGET_CROSS)cpp
 204 TARGET_CXX      = $(TARGET_CROSS)g++
 205 TARGET_FC       = $(TARGET_CROSS)gfortran
 206 TARGET_LD       = $(TARGET_CROSS)ld
 207 TARGET_NM       = $(TARGET_CROSS)nm
 208 TARGET_RANLIB   = $(TARGET_CROSS)ranlib
 209 TARGET_READELF  = $(TARGET_CROSS)readelf
 210 TARGET_OBJCOPY  = $(TARGET_CROSS)objcopy
 211 TARGET_OBJDUMP  = $(TARGET_CROSS)objdump
 212
 213 ifeq ($(BR2_STRIP_strip),y)
 214 STRIP_STRIP_DEBUG := --strip-debug
 215 TARGET_STRIP = $(TARGET_CROSS)strip
 216 STRIPCMD = $(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
 217 else
 218 TARGET_STRIP = /bin/true
 219 STRIPCMD = $(TARGET_STRIP)
 220 endif
 221 INSTALL := $(shell which install || type -p install)
 222 FLEX := $(shell which flex || type -p flex)
 223 BISON := $(shell which bison || type -p bison)
 224 UNZIP := $(shell which unzip || type -p unzip) -q
 225
 226 APPLY_PATCHES = PATH=$(HOST_DIR)/bin:$$PATH support/scripts/apply-patches.sh $(if $(QUIET),-s)
 227
 228 HOST_CPPFLAGS  = -I$(HOST_DIR)/include
 229 HOST_CFLAGS   ?= -O2
 230 HOST_CFLAGS   += $(HOST_CPPFLAGS)
 231 HOST_CXXFLAGS += $(HOST_CFLAGS)
 232 HOST_LDFLAGS  += -L$(HOST_DIR)/lib -Wl,-rpath,$(HOST_DIR)/lib
 233
 234 # The macros below are taken from linux 4.11 and adapted slightly.
 235 # Copy more when needed.
 236
 237 # try-run
 238 # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
 239 # Exit code chooses option. "$$TMP" is can be used as temporary file and
 240 # is automatically cleaned up.
 241 try-run = $(shell set -e;               \
 242         TMP="$$(tempfile)";             \
 243         if ($(1)) >/dev/null 2>&1;      \
 244         then echo "$(2)";               \
 245         else echo "$(3)";               \
 246         fi;                             \
 247         rm -f "$$TMP")
 248
 249 # host-cc-option
 250 # Usage: HOST_FOO_CFLAGS += $(call host-cc-option,-no-pie,)
 251 host-cc-option = $(call try-run,\
 252         $(HOSTCC) $(HOST_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
 253
 254
 255 # host-intltool should be executed with the system perl, so we save
 256 # the path to the system perl, before a host-perl built by Buildroot
 257 # might get installed into $(HOST_DIR)/bin and therefore appears
 258 # in our PATH. This system perl will be used as INTLTOOL_PERL.
 259 export PERL=$(shell which perl)
 260
 261 # host-intltool needs libxml-parser-perl, which Buildroot installs in
 262 # $(HOST_DIR)/lib/perl, so we must make sure that the system perl
 263 # finds this perl module by exporting the proper value for PERL5LIB.
 264 export PERL5LIB=$(HOST_DIR)/lib/perl
 265
 266 TARGET_MAKE_ENV = PATH=$(BR_PATH)
 267
 268 TARGET_CONFIGURE_OPTS = \
 269         $(TARGET_MAKE_ENV) \
 270         AR="$(TARGET_AR)" \
 271         AS="$(TARGET_AS)" \
 272         LD="$(TARGET_LD)" \
 273         NM="$(TARGET_NM)" \
 274         CC="$(TARGET_CC)" \
 275         GCC="$(TARGET_CC)" \
 276         CPP="$(TARGET_CPP)" \
 277         CXX="$(TARGET_CXX)" \
 278         FC="$(TARGET_FC)" \
 279         F77="$(TARGET_FC)" \
 280         RANLIB="$(TARGET_RANLIB)" \
 281         READELF="$(TARGET_READELF)" \
 282         STRIP="$(TARGET_STRIP)" \
 283         OBJCOPY="$(TARGET_OBJCOPY)" \
 284         OBJDUMP="$(TARGET_OBJDUMP)" \
 285         AR_FOR_BUILD="$(HOSTAR)" \
 286         AS_FOR_BUILD="$(HOSTAS)" \
 287         CC_FOR_BUILD="$(HOSTCC)" \
 288         GCC_FOR_BUILD="$(HOSTCC)" \
 289         CXX_FOR_BUILD="$(HOSTCXX)" \
 290         LD_FOR_BUILD="$(HOSTLD)" \
 291         CPPFLAGS_FOR_BUILD="$(HOST_CPPFLAGS)" \
 292         CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
 293         CXXFLAGS_FOR_BUILD="$(HOST_CXXFLAGS)" \
 294         LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
 295         FCFLAGS_FOR_BUILD="$(HOST_FCFLAGS)" \
 296         DEFAULT_ASSEMBLER="$(TARGET_AS)" \
 297         DEFAULT_LINKER="$(TARGET_LD)" \
 298         CPPFLAGS="$(TARGET_CPPFLAGS)" \
 299         CFLAGS="$(TARGET_CFLAGS)" \
 300         CXXFLAGS="$(TARGET_CXXFLAGS)" \
 301         LDFLAGS="$(TARGET_LDFLAGS)" \
 302         FCFLAGS="$(TARGET_FCFLAGS)" \
 303         FFLAGS="$(TARGET_FCFLAGS)" \
 304         PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
 305         STAGING_DIR="$(STAGING_DIR)" \
 306         INTLTOOL_PERL=$(PERL)
 307
 308
 309 HOST_MAKE_ENV = \
 310         PATH=$(BR_PATH) \
 311         PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
 312         PKG_CONFIG_SYSROOT_DIR="/" \
 313         PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
 314         PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
 315         PKG_CONFIG_LIBDIR="$(HOST_DIR)/lib/pkgconfig:$(HOST_DIR)/share/pkgconfig"
 316
 317 HOST_CONFIGURE_OPTS = \
 318         $(HOST_MAKE_ENV) \
 319         AR="$(HOSTAR)" \
 320         AS="$(HOSTAS)" \
 321         LD="$(HOSTLD)" \
 322         NM="$(HOSTNM)" \
 323         CC="$(HOSTCC)" \
 324         GCC="$(HOSTCC)" \
 325         CXX="$(HOSTCXX)" \
 326         CPP="$(HOSTCPP)" \
 327         OBJCOPY="$(HOSTOBJCOPY)" \
 328         RANLIB="$(HOSTRANLIB)" \
 329         CPPFLAGS="$(HOST_CPPFLAGS)" \
 330         CFLAGS="$(HOST_CFLAGS)" \
 331         CXXFLAGS="$(HOST_CXXFLAGS)" \
 332         LDFLAGS="$(HOST_LDFLAGS)" \
 333         INTLTOOL_PERL=$(PERL)
 334
 335 # This is extra environment we can not export ourselves (eg. because some
 336 # packages use that variable internally, eg. uboot), so we have to
 337 # explicitly pass it to user-supplied external hooks (eg. post-build,
 338 # post-images)
 339 EXTRA_ENV = \
 340         PATH=$(BR_PATH) \
 341         BR2_DL_DIR=$(BR2_DL_DIR) \
 342         BUILD_DIR=$(BUILD_DIR) \
 343         O=$(CANONICAL_O)
 344
 345 ################################################################################
 346 # settings we need to pass to configure
 347
 348 # does unaligned access trap?
 349 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=yes
 350 ifeq ($(BR2_i386),y)
 351 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
 352 endif
 353 ifeq ($(BR2_x86_64),y)
 354 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
 355 endif
 356 ifeq ($(BR2_m68k),y)
 357 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
 358 endif
 359 ifeq ($(BR2_powerpc)$(BR2_powerpc64)$(BR2_powerpc64le),y)
 360 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
 361 endif
 362
 363 ifeq ($(BR2_ENDIAN),"BIG")
 364 BR2_AC_CV_C_BIGENDIAN = ac_cv_c_bigendian=yes
 365 else
 366 BR2_AC_CV_C_BIGENDIAN = ac_cv_c_bigendian=no
 367 endif
 368
 369 # AM_GNU_GETTEXT misdetects musl gettext support.
 370 # musl currently implements api level 1 and 2 (basic + ngettext)
 371 # http://www.openwall.com/lists/musl/2015/04/16/3
 372 #
 373 # These autoconf variables should only be pre-seeded when the minimal
 374 # gettext implementation of musl is used. When the full blown
 375 # implementation provided by gettext libintl is used, auto-detection
 376 # works fine, and pre-seeding those values is actually wrong.
 377 ifeq ($(BR2_TOOLCHAIN_USES_MUSL):$(BR2_PACKAGE_GETTEXT_PROVIDES_LIBINTL),y:)
 378 BR2_GT_CV_FUNC_GNUGETTEXT_LIBC = \
 379         gt_cv_func_gnugettext1_libc=yes \
 380         gt_cv_func_gnugettext2_libc=yes
 381 endif
 382
 383 TARGET_CONFIGURE_ARGS = \
 384         $(BR2_AC_CV_TRAP_CHECK) \
 385         ac_cv_func_mmap_fixed_mapped=yes \
 386         ac_cv_func_memcmp_working=yes \
 387         ac_cv_have_decl_malloc=yes \
 388         gl_cv_func_malloc_0_nonnull=yes \
 389         ac_cv_func_malloc_0_nonnull=yes \
 390         ac_cv_func_calloc_0_nonnull=yes \
 391         ac_cv_func_realloc_0_nonnull=yes \
 392         lt_cv_sys_lib_search_path_spec="" \
 393         $(BR2_AC_CV_C_BIGENDIAN) \
 394         $(BR2_GT_CV_FUNC_GNUGETTEXT_LIBC)
 395
 396 ################################################################################
 397
 398 ifeq ($(BR2_SYSTEM_ENABLE_NLS),y)
 399 NLS_OPTS = --enable-nls
 400 TARGET_NLS_DEPENDENCIES = host-gettext
 401 ifeq ($(BR2_PACKAGE_GETTEXT_PROVIDES_LIBINTL),y)
 402 TARGET_NLS_DEPENDENCIES += gettext
 403 TARGET_NLS_LIBS += -lintl
 404 endif
 405 else
 406 NLS_OPTS = --disable-nls
 407 endif
 408
 409 # We need anything that is invalid. Traditionally, we'd have used 'false' (and
 410 # we did so in the past). However, that breaks libtool for packages that have
 411 # optional C++ support (e.g. gnutls), because libtool will *require* a *valid*
 412 # C++ preprocessor as long as CXX is not 'no'.
 413 # Now, whether we use 'no' or 'false' for CXX as the same side effect: it is an
 414 # invalid C++ compiler, and thus will cause detection of C++ to fail (which is
 415 # expected and what we want), while at the same time taming libtool into
 416 # silence.
 417 ifneq ($(BR2_INSTALL_LIBSTDCPP),y)
 418 TARGET_CONFIGURE_OPTS += CXX=no
 419 endif
 420
 421 ifeq ($(BR2_STATIC_LIBS),y)
 422 SHARED_STATIC_LIBS_OPTS = --enable-static --disable-shared
 423 TARGET_CFLAGS += -static
 424 TARGET_CXXFLAGS += -static
 425 TARGET_FCFLAGS += -static
 426 TARGET_LDFLAGS += -static
 427 else ifeq ($(BR2_SHARED_LIBS),y)
 428 SHARED_STATIC_LIBS_OPTS = --disable-static --enable-shared
 429 else ifeq ($(BR2_SHARED_STATIC_LIBS),y)
 430 SHARED_STATIC_LIBS_OPTS = --enable-static --enable-shared
 431 endif
 432
 433 ifeq ($(BR2_COMPILER_PARANOID_UNSAFE_PATH),y)
 434 export BR_COMPILER_PARANOID_UNSAFE_PATH=enabled
 435 endif
 436
 437 include package/pkg-download.mk
 438 include package/pkg-autotools.mk
 439 include package/pkg-cmake.mk
 440 include package/pkg-luarocks.mk
 441 include package/pkg-perl.mk
 442 include package/pkg-python.mk
 443 include package/pkg-virtual.mk
 444 include package/pkg-generic.mk
 445 include package/pkg-kconfig.mk
 446 include package/pkg-rebar.mk
 447 include package/pkg-kernel-module.mk
 448 include package/pkg-waf.mk
 449 include package/pkg-golang.mk