busybox: nslookup_lede: fix compatibility with v1.25

[openwrt/openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 1e7549f92f4efd619451a15af148b088c2958cf1..ed796a54024adc4d4cbcb13d46a03bf6e0c1c8f5 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -1,5 +1,6 @@
 #
 # Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2016 LEDE Project
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -14,6 +15,11 @@ endif
 include $(TOPDIR)/include/debug.mk
 include $(TOPDIR)/include/verbose.mk
 
+ifneq ($(filter check,$(MAKECMDGOALS)),)
+CHECK:=1
+DUMP:=1
+endif
+
 export TMP_DIR:=$(TOPDIR)/tmp
 
 qstrip=$(strip $(subst ",,$(1)))
@@ -23,9 +29,14 @@ empty:=
 space:= $(empty) $(empty)
 comma:=,
 merge=$(subst $(space),,$(1))
-confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
+confvar=$(shell echo '$(foreach v,$(1),$(v)=$(subst ','\'',$($(v))))' | $(STAGING_DIR_HOST)/bin/mkhash md5)
 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
 
+paren_left = (
+paren_right = )
+chars_lower = a b c d e f g h i j k l m n o p q r s t u v w x y z
+chars_upper = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
+
 define sep
 
 endef
@@ -35,18 +46,33 @@ define newline
 
 endef
 
+__tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2))
+__tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma)))
+__tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped))
+__tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right)))
+__tr_template = $(__tr_head)$$(1)$(__tr_tail)
+
+$(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper)))
+$(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower)))
+
+version_abbrev = $(if $(if $(CHECK),,$(DUMP)),$(1),$(shell printf '%.8s' $(1)))
+
 _SINGLE=export MAKEFLAGS=$(space);
 CFLAGS:=
 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
 ARCH_PACKAGES:=$(call qstrip,$(CONFIG_TARGET_ARCH_PACKAGES))
 BOARD:=$(call qstrip,$(CONFIG_TARGET_BOARD))
+SUBTARGET:=$(call qstrip,$(CONFIG_TARGET_SUBTARGET))
 TARGET_OPTIMIZATION:=$(call qstrip,$(CONFIG_TARGET_OPTIMIZATION))
-export EXTRA_OPTIMIZATION:=$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
+export EXTRA_OPTIMIZATION:=$(filter-out -fno-plt,$(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION)))
 TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
 BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
 SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
+BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
 export SHELL:=/usr/bin/env bash
 
+IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)
+
 OPTIMIZE_FOR_CPU=$(subst i386,i486,$(ARCH))
 
 ifeq ($(ARCH),powerpc)
@@ -75,20 +101,28 @@ ifdef CONFIG_MIPS64_ABI
   endif
 endif
 
+DEFAULT_SUBDIR_TARGETS:=clean download prepare compile update refresh prereq dist distcheck configure check check-depends
+
+define DefaultTargets
+$(foreach t,$(DEFAULT_SUBDIR_TARGETS) $(1),
+  .$(t):
+  $(t): .$(t)
+  .PHONY: $(t) .$(t)
+)
+endef
+
 DL_DIR:=$(if $(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(call qstrip,$(CONFIG_DOWNLOAD_FOLDER)),$(TOPDIR)/dl)
-BIN_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin/$(BOARD))
+OUTPUT_DIR:=$(if $(call qstrip,$(CONFIG_BINARY_FOLDER)),$(call qstrip,$(CONFIG_BINARY_FOLDER)),$(TOPDIR)/bin)
+BIN_DIR:=$(OUTPUT_DIR)/targets/$(BOARD)/$(SUBTARGET)
 INCLUDE_DIR:=$(TOPDIR)/include
 SCRIPT_DIR:=$(TOPDIR)/scripts
 BUILD_DIR_BASE:=$(TOPDIR)/build_dir
-BUILD_DIR_HOST:=$(BUILD_DIR_BASE)/host
-STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   GCCV:=$(call qstrip,$(CONFIG_GCC_VERSION))
   LIBC:=$(call qstrip,$(CONFIG_LIBC))
-  LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
-  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_arm),_eabi)
+  DIR_SUFFIX:=_$(LIBC)$(if $(CONFIG_arm),_eabi)
   BIN_DIR:=$(BIN_DIR)$(if $(CONFIG_USE_MUSL),,-$(LIBC))
   TARGET_DIR_NAME = target-$(ARCH)$(ARCH_SUFFIX)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
   TOOLCHAIN_DIR_NAME = toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)$(DIR_SUFFIX)
@@ -99,10 +133,15 @@ else
     GNU_TARGET_NAME=$(shell gcc -dumpmachine)
   endif
   REAL_GNU_TARGET_NAME=$(GNU_TARGET_NAME)
-  TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  LIBC:=$(call qstrip,$(CONFIG_LIBC))
+  TARGET_DIR_NAME:=target-$(GNU_TARGET_NAME)_$(LIBC)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
   TOOLCHAIN_DIR_NAME:=toolchain-$(GNU_TARGET_NAME)
 endif
 
+ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
+  iremap = -iremap$(1):$(2)
+endif
+
 PACKAGE_DIR:=$(BIN_DIR)/packages
 BUILD_DIR:=$(BUILD_DIR_BASE)/$(TARGET_DIR_NAME)
 STAGING_DIR:=$(TOPDIR)/staging_dir/$(TARGET_DIR_NAME)
@@ -113,11 +152,18 @@ STAMP_DIR_HOST=$(BUILD_DIR_HOST)/stamp
 TARGET_ROOTFS_DIR?=$(if $(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(call qstrip,$(CONFIG_TARGET_ROOTFS_DIR)),$(BUILD_DIR))
 TARGET_DIR:=$(TARGET_ROOTFS_DIR)/root-$(BOARD)
 STAGING_DIR_ROOT:=$(STAGING_DIR)/root-$(BOARD)
+STAGING_DIR_IMAGE:=$(STAGING_DIR)/image
 BUILD_LOG_DIR:=$(TOPDIR)/logs
 PKG_INFO_DIR := $(STAGING_DIR)/pkginfo
 
+BUILD_DIR_HOST:=$(if $(IS_PACKAGE_BUILD),$(BUILD_DIR_BASE)/hostpkg,$(BUILD_DIR_BASE)/host)
+STAGING_DIR_HOST:=$(TOPDIR)/staging_dir/host
+STAGING_DIR_HOSTPKG:=$(TOPDIR)/staging_dir/hostpkg
+
 TARGET_PATH:=$(subst $(space),:,$(filter-out .,$(filter-out ./,$(subst :,$(space),$(PATH)))))
-TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(EXTRA_OPTIMIZATION)
+TARGET_INIT_PATH:=$(call qstrip,$(CONFIG_TARGET_INIT_PATH))
+TARGET_INIT_PATH:=$(if $(TARGET_INIT_PATH),$(TARGET_INIT_PATH),/usr/sbin:/sbin:/usr/bin:/bin)
+TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)$(if $(CONFIG_DEBUG), -g3) $(call qstrip,$(CONFIG_EXTRA_OPTIMIZATION))
 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 TARGET_ASFLAGS_DEFAULT = $(TARGET_CFLAGS)
 TARGET_ASFLAGS = $(TARGET_ASFLAGS_DEFAULT)
@@ -171,7 +217,7 @@ ifndef DUMP
     endif
   endif
 endif
-TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(TARGET_PATH)
+TARGET_PATH_PKG:=$(STAGING_DIR)/host/bin:$(STAGING_DIR_HOSTPKG)/bin:$(TARGET_PATH)
 
 ifeq ($(CONFIG_SOFT_FLOAT),y)
   SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
@@ -188,7 +234,7 @@ else
 endif
 
 export PATH:=$(TARGET_PATH)
-export STAGING_DIR STAGING_DIR_HOST
+export STAGING_DIR STAGING_DIR_HOST STAGING_DIR_HOSTPKG
 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 
 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config
@@ -197,9 +243,9 @@ export PKG_CONFIG
 
 HOSTCC:=gcc
 HOSTCXX:=g++
-HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include
+HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include $(if $(IS_PACKAGE_BUILD),-I$(STAGING_DIR_HOSTPKG)/include -I$(STAGING_DIR)/host/include)
 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
-HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib
+HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib $(if $(IS_PACKAGE_BUILD),-L$(STAGING_DIR_HOSTPKG)/lib -L$(STAGING_DIR)/host/lib)
 
 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   TARGET_AR:=$(TARGET_CROSS)gcc-ar
@@ -315,12 +361,16 @@ endef
 # Execute commands under flock
 # $(1) => The shell expression.
 # $(2) => The lock name. If not given, the global lock will be used.
-define locked
+ifneq ($(wildcard $(STAGING_DIR_HOST)/bin/flock),)
+  define locked
        SHELL= \
-       $(STAGING_DIR_HOST)/bin/flock \
+       flock \
                $(TMP_DIR)/.$(if $(2),$(strip $(2)),global).flock \
                -c '$(subst ','\'',$(1))'
-endef
+  endef
+else
+  locked=$(1)
+endif
 
 # Recursively copy paths into another directory, purge dangling
 # symlinks before.
@@ -340,6 +390,13 @@ define file_copy
        $(CP) $(1) $(2)
 endef
 
+# Calculate sha256sum of any plain file within a given directory
+# $(1) => Input directory
+define sha256sums
+       (cd $(1); find . -maxdepth 1 -type f -not -name 'sha256sums' -printf "%P\n" | sort | \
+               xargs -r $(STAGING_DIR_HOST)/bin/mkhash -n sha256 | sed -ne 's!^\(.*\) \(.*\)$$!\1 *\2!p' > sha256sums)
+endef
+
 # file extension
 ext=$(word $(words $(subst ., ,$(1))),$(subst ., ,$(1)))
 
@@ -347,6 +404,9 @@ all:
 FORCE: ;
 .PHONY: FORCE
 
+check: FORCE
+       @true
+
 val.%:
        @$(if $(filter undefined,$(origin $*)),\
                echo "$* undefined" >&2, \