buildroot/_buildroot/engine0010/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 = usr/$(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_DEBUG_1),y)
 132 TARGET_DEBUGGING = -g1
 133 endif
 134 ifeq ($(BR2_DEBUG_2),y)
 135 TARGET_DEBUGGING = -g2
 136 endif
 137 ifeq ($(BR2_DEBUG_3),y)
 138 TARGET_DEBUGGING = -g3
 139 endif
 140
 141 TARGET_CPPFLAGS += -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 142 TARGET_CFLAGS = $(TARGET_CPPFLAGS) $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
 143 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 144 TARGET_FCFLAGS = $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
 145 TARGET_LDFLAGS = $(call qstrip,$(BR2_TARGET_LDFLAGS))
 146
 147 ifeq ($(BR2_BINFMT_FLAT),y)
 148 TARGET_CFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),\
 149         -Wl$(comma)-elf2flt)
 150 TARGET_CXXFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),\
 151         -Wl$(comma)-elf2flt)
 152 TARGET_FCFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),\
 153         -Wl$(comma)-elf2flt)
 154 TARGET_LDFLAGS += $(if $($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt=-s$($(PKG)_FLAT_STACKSIZE),-Wl$(comma)-elf2flt)
 155 endif
 156
 157 ifeq ($(BR2_BINFMT_FLAT_SHARED),y)
 158 TARGET_LDFLAGS += -mid-shared-library -mshared-library-id=0
 159 TARGET_CFLAGS += -mid-shared-library -mshared-library-id=0
 160 TARGET_FCFLAGS += -mid-shared-library -mshared-library-id=0
 161 TARGET_CXXFLAGS += -mid-shared-library -mshared-library-id=0
 162 endif
 163 ifeq ($(BR2_BINFMT_FLAT_SEP_DATA),y)
 164 TARGET_LDFLAGS += -msep-data
 165 TARGET_CFLAGS += -msep-data
 166 TARGET_FCFLAGS += -msep-data
 167 TARGET_CXXFLAGS += -msep-data
 168 endif
 169
 170 ifeq ($(BR2_SSP_REGULAR),y)
 171 TARGET_CFLAGS += -fstack-protector
 172 TARGET_CXXFLAGS += -fstack-protector
 173 TARGET_FCFLAGS += -fstack-protector
 174 else ifeq ($(BR2_SSP_STRONG),y)
 175 TARGET_CFLAGS += -fstack-protector-strong
 176 TARGET_CXXFLAGS += -fstack-protector-strong
 177 TARGET_FCFLAGS += -fstack-protector-strong
 178 else ifeq ($(BR2_SSP_ALL),y)
 179 TARGET_CFLAGS += -fstack-protector-all
 180 TARGET_CXXFLAGS += -fstack-protector-all
 181 TARGET_FCFLAGS += -fstack-protector-all
 182 endif
 183
 184 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
 185 TARGET_CROSS = $(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-
 186 else
 187 TARGET_CROSS = $(HOST_DIR)/usr/bin/$(TOOLCHAIN_EXTERNAL_PREFIX)-
 188 endif
 189
 190 # Define TARGET_xx variables for all common binutils/gcc
 191 TARGET_AR       = $(TARGET_CROSS)ar
 192 TARGET_AS       = $(TARGET_CROSS)as
 193 TARGET_CC       = $(TARGET_CROSS)gcc
 194 TARGET_CPP      = $(TARGET_CROSS)cpp
 195 TARGET_CXX      = $(TARGET_CROSS)g++
 196 TARGET_FC       = $(TARGET_CROSS)gfortran
 197 TARGET_LD       = $(TARGET_CROSS)ld
 198 TARGET_NM       = $(TARGET_CROSS)nm
 199 TARGET_RANLIB   = $(TARGET_CROSS)ranlib
 200 TARGET_READELF  = $(TARGET_CROSS)readelf
 201 TARGET_OBJCOPY  = $(TARGET_CROSS)objcopy
 202 TARGET_OBJDUMP  = $(TARGET_CROSS)objdump
 203
 204 ifeq ($(BR2_STRIP_strip),y)
 205 STRIP_STRIP_DEBUG := --strip-debug
 206 TARGET_STRIP = $(TARGET_CROSS)strip
 207 STRIPCMD = $(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
 208 endif
 209 ifeq ($(BR2_STRIP_none),y)
 210 TARGET_STRIP = true
 211 STRIPCMD = $(TARGET_STRIP)
 212 endif
 213 INSTALL := $(shell which install || type -p install)
 214 FLEX := $(shell which flex || type -p flex)
 215 BISON := $(shell which bison || type -p bison)
 216 UNZIP := $(shell which unzip || type -p unzip) -q
 217
 218 APPLY_PATCHES = PATH=$(HOST_DIR)/usr/bin:$$PATH support/scripts/apply-patches.sh $(if $(QUIET),-s)
 219
 220 HOST_CPPFLAGS  = -I$(HOST_DIR)/usr/include
 221 HOST_CFLAGS   ?= -O2
 222 HOST_CFLAGS   += $(HOST_CPPFLAGS)
 223 HOST_CXXFLAGS += $(HOST_CFLAGS)
 224 HOST_LDFLAGS  += -L$(HOST_DIR)/lib -L$(HOST_DIR)/usr/lib -Wl,-rpath,$(HOST_DIR)/usr/lib
 225
 226 # host-intltool should be executed with the system perl, so we save
 227 # the path to the system perl, before a host-perl built by Buildroot
 228 # might get installed into $(HOST_DIR)/usr/bin and therefore appears
 229 # in our PATH. This system perl will be used as INTLTOOL_PERL.
 230 export PERL=$(shell which perl)
 231
 232 # host-intltool needs libxml-parser-perl, which Buildroot installs in
 233 # $(HOST_DIR)/usr/lib/perl, so we must make sure that the system perl
 234 # finds this perl module by exporting the proper value for PERL5LIB.
 235 export PERL5LIB=$(HOST_DIR)/usr/lib/perl
 236
 237 TARGET_MAKE_ENV = PATH=$(BR_PATH)
 238
 239 TARGET_CONFIGURE_OPTS = \
 240         $(TARGET_MAKE_ENV) \
 241         AR="$(TARGET_AR)" \
 242         AS="$(TARGET_AS)" \
 243         LD="$(TARGET_LD)" \
 244         NM="$(TARGET_NM)" \
 245         CC="$(TARGET_CC)" \
 246         GCC="$(TARGET_CC)" \
 247         CPP="$(TARGET_CPP)" \
 248         CXX="$(TARGET_CXX)" \
 249         FC="$(TARGET_FC)" \
 250         F77="$(TARGET_FC)" \
 251         RANLIB="$(TARGET_RANLIB)" \
 252         READELF="$(TARGET_READELF)" \
 253         STRIP="$(TARGET_STRIP)" \
 254         OBJCOPY="$(TARGET_OBJCOPY)" \
 255         OBJDUMP="$(TARGET_OBJDUMP)" \
 256         AR_FOR_BUILD="$(HOSTAR)" \
 257         AS_FOR_BUILD="$(HOSTAS)" \
 258         CC_FOR_BUILD="$(HOSTCC)" \
 259         GCC_FOR_BUILD="$(HOSTCC)" \
 260         CXX_FOR_BUILD="$(HOSTCXX)" \
 261         LD_FOR_BUILD="$(HOSTLD)" \
 262         CPPFLAGS_FOR_BUILD="$(HOST_CPPFLAGS)" \
 263         CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
 264         CXXFLAGS_FOR_BUILD="$(HOST_CXXFLAGS)" \
 265         LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
 266         FCFLAGS_FOR_BUILD="$(HOST_FCFLAGS)" \
 267         DEFAULT_ASSEMBLER="$(TARGET_AS)" \
 268         DEFAULT_LINKER="$(TARGET_LD)" \
 269         CPPFLAGS="$(TARGET_CPPFLAGS)" \
 270         CFLAGS="$(TARGET_CFLAGS)" \
 271         CXXFLAGS="$(TARGET_CXXFLAGS)" \
 272         LDFLAGS="$(TARGET_LDFLAGS)" \
 273         FCFLAGS="$(TARGET_FCFLAGS)" \
 274         FFLAGS="$(TARGET_FCFLAGS)" \
 275         PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
 276         STAGING_DIR="$(STAGING_DIR)" \
 277         INTLTOOL_PERL=$(PERL)
 278
 279
 280 HOST_MAKE_ENV = \
 281         PATH=$(BR_PATH) \
 282         PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
 283         PKG_CONFIG_SYSROOT_DIR="/" \
 284         PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
 285         PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
 286         PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig:$(HOST_DIR)/usr/share/pkgconfig"
 287
 288 HOST_CONFIGURE_OPTS = \
 289         $(HOST_MAKE_ENV) \
 290         AR="$(HOSTAR)" \
 291         AS="$(HOSTAS)" \
 292         LD="$(HOSTLD)" \
 293         NM="$(HOSTNM)" \
 294         CC="$(HOSTCC)" \
 295         GCC="$(HOSTCC)" \
 296         CXX="$(HOSTCXX)" \
 297         CPP="$(HOSTCPP)" \
 298         OBJCOPY="$(HOSTOBJCOPY)" \
 299         RANLIB="$(HOSTRANLIB)" \
 300         CPPFLAGS="$(HOST_CPPFLAGS)" \
 301         CFLAGS="$(HOST_CFLAGS)" \
 302         CXXFLAGS="$(HOST_CXXFLAGS)" \
 303         LDFLAGS="$(HOST_LDFLAGS)" \
 304         INTLTOOL_PERL=$(PERL)
 305
 306 # This is extra environment we can not export ourselves (eg. because some
 307 # packages use that variable internally, eg. uboot), so we have to
 308 # explicitly pass it to user-supplied external hooks (eg. post-build,
 309 # post-images)
 310 EXTRA_ENV = \
 311         PATH=$(BR_PATH) \
 312         BR2_DL_DIR=$(BR2_DL_DIR) \
 313         BUILD_DIR=$(BUILD_DIR)
 314
 315 ################################################################################
 316 # settings we need to pass to configure
 317
 318 # does unaligned access trap?
 319 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=yes
 320 ifeq ($(BR2_i386),y)
 321 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
 322 endif
 323 ifeq ($(BR2_x86_64),y)
 324 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
 325 endif
 326 ifeq ($(BR2_m68k),y)
 327 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
 328 endif
 329 ifeq ($(BR2_powerpc)$(BR2_powerpc64)$(BR2_powerpc64le),y)
 330 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
 331 endif
 332
 333 ifeq ($(BR2_ENDIAN),"BIG")
 334 BR2_AC_CV_C_BIGENDIAN = ac_cv_c_bigendian=yes
 335 else
 336 BR2_AC_CV_C_BIGENDIAN = ac_cv_c_bigendian=no
 337 endif
 338
 339 # AM_GNU_GETTEXT misdetects musl gettext support.
 340 # musl currently implements api level 1 and 2 (basic + ngettext)
 341 # http://www.openwall.com/lists/musl/2015/04/16/3
 342 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 343 BR2_GT_CV_FUNC_GNUGETTEXT_LIBC = \
 344         gt_cv_func_gnugettext1_libc=yes \
 345         gt_cv_func_gnugettext2_libc=yes
 346 endif
 347
 348 TARGET_CONFIGURE_ARGS = \
 349         $(BR2_AC_CV_TRAP_CHECK) \
 350         ac_cv_func_mmap_fixed_mapped=yes \
 351         ac_cv_func_memcmp_working=yes \
 352         ac_cv_have_decl_malloc=yes \
 353         gl_cv_func_malloc_0_nonnull=yes \
 354         ac_cv_func_malloc_0_nonnull=yes \
 355         ac_cv_func_calloc_0_nonnull=yes \
 356         ac_cv_func_realloc_0_nonnull=yes \
 357         lt_cv_sys_lib_search_path_spec="" \
 358         $(BR2_AC_CV_C_BIGENDIAN) \
 359         $(BR2_GT_CV_FUNC_GNUGETTEXT_LIBC)
 360
 361 ################################################################################
 362
 363 ifeq ($(BR2_ENABLE_LOCALE),y)
 364 DISABLE_NLS :=
 365 else
 366 DISABLE_NLS :=--disable-nls
 367 endif
 368
 369 ifneq ($(BR2_INSTALL_LIBSTDCPP),y)
 370 TARGET_CONFIGURE_OPTS += CXX=false
 371 endif
 372
 373 ifeq ($(BR2_STATIC_LIBS),y)
 374 SHARED_STATIC_LIBS_OPTS = --enable-static --disable-shared
 375 TARGET_CFLAGS += -static
 376 TARGET_CXXFLAGS += -static
 377 TARGET_FCFLAGS += -static
 378 TARGET_LDFLAGS += -static
 379 else ifeq ($(BR2_SHARED_LIBS),y)
 380 SHARED_STATIC_LIBS_OPTS = --disable-static --enable-shared
 381 else ifeq ($(BR2_SHARED_STATIC_LIBS),y)
 382 SHARED_STATIC_LIBS_OPTS = --enable-static --enable-shared
 383 endif
 384
 385 ifeq ($(BR2_COMPILER_PARANOID_UNSAFE_PATH),y)
 386 export BR_COMPILER_PARANOID_UNSAFE_PATH=enabled
 387 endif
 388
 389 include package/pkg-download.mk
 390 include package/pkg-autotools.mk
 391 include package/pkg-cmake.mk
 392 include package/pkg-luarocks.mk
 393 include package/pkg-perl.mk
 394 include package/pkg-python.mk
 395 include package/pkg-virtual.mk
 396 include package/pkg-generic.mk
 397 include package/pkg-kconfig.mk
 398 include package/pkg-rebar.mk
 399 include package/pkg-kernel-module.mk
 400 include package/pkg-waf.mk