linux-headers: bump 4.{4, 9}.x series
[buildroot-gz.git] / package / Makefile.in
blob4a3eb26963beea56dc3ebde3010e989d5d4259de
1 ifndef MAKE
2 MAKE := make
3 endif
4 ifndef HOSTMAKE
5 HOSTMAKE = $(MAKE)
6 endif
7 HOSTMAKE := $(shell which $(HOSTMAKE) || type -p $(HOSTMAKE) || echo make)
9 # If BR2_JLEVEL is 0, scale the maximum concurrency with the number of
10 # CPUs. An additional job is used in order to keep processors busy
11 # while waiting on I/O.
12 # If the number of processors is not available, assume one.
13 ifeq ($(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
20 MAKE1 := $(HOSTMAKE) -j1
21 override MAKE = $(HOSTMAKE) \
22 $(if $(findstring j,$(filter-out --%,$(MAKEFLAGS))),,-j$(PARALLEL_JOBS))
24 ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
25 TARGET_VENDOR = $(call qstrip,$(BR2_TOOLCHAIN_BUILDROOT_VENDOR))
26 else
27 TARGET_VENDOR = buildroot
28 endif
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
39 # Compute GNU_TARGET_NAME
40 GNU_TARGET_NAME = $(ARCH)-$(TARGET_VENDOR)-$(TARGET_OS)-$(LIBC)$(ABI)
42 # FLAT binary format needs uclinux
43 ifeq ($(BR2_BINFMT_FLAT),y)
44 TARGET_OS = uclinux
45 else
46 TARGET_OS = linux
47 endif
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
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
68 ifeq ($(BR2_ARM_EABIHF),y)
69 ABI := $(ABI)hf
70 endif
71 endif
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
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.
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.
102 ifeq ($(BR2_xtensa),y)
103 TARGET_ABI += -mlongcalls -mauto-litpools
104 endif
106 ifeq ($(BR2_arc)$(BR2_ARC_ATOMIC_EXT),yy)
107 TARGET_ABI += -matomic
108 endif
110 STAGING_SUBDIR = usr/$(GNU_TARGET_NAME)/sysroot
111 STAGING_DIR = $(HOST_DIR)/$(STAGING_SUBDIR)
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
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))
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
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
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
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
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
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
218 APPLY_PATCHES = PATH=$(HOST_DIR)/usr/bin:$$PATH support/scripts/apply-patches.sh $(if $(QUIET),-s)
220 HOST_CPPFLAGS = -I$(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
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)
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
237 TARGET_MAKE_ENV = PATH=$(BR_PATH)
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)
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"
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)
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=$(BUILD_DIR)
315 ################################################################################
316 # settings we need to pass to configure
318 # does unaligned access trap?
319 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=yes
320 ifeq ($(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)$(BR2_powerpc64le),y)
330 BR2_AC_CV_TRAP_CHECK = ac_cv_lbl_unaligned_fail=no
331 endif
333 ifeq ($(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
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
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 $(BR2_GT_CV_FUNC_GNUGETTEXT_LIBC)
361 ################################################################################
363 ifeq ($(BR2_ENABLE_LOCALE),y)
364 DISABLE_NLS :=
365 else
366 DISABLE_NLS :=--disable-nls
367 endif
369 ifneq ($(BR2_INSTALL_LIBSTDCPP),y)
370 TARGET_CONFIGURE_OPTS += CXX=false
371 endif
373 ifeq ($(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
385 ifeq ($(BR2_COMPILER_PARANOID_UNSAFE_PATH),y)
386 export BR_COMPILER_PARANOID_UNSAFE_PATH=enabled
387 endif
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