bump buildroot to 2019.02.2

bsp/buildroot/linux/linux.mk

@@ -37,15 +37,10 @@ else ifneq ($(findstring -rc,$(LINUX_VERSION)),)
 LINUX_SITE = https://git.kernel.org/torvalds/t
 else
 LINUX_SOURCE = linux-$(LINUX_VERSION).tar.xz
-# In X.Y.Z, get X and Y. We replace dots and dashes by spaces in order
-# to use the $(word) function. We support versions such as 4.0, 3.1,
-# 2.6.32, 2.6.32-rc1, 3.0-rc6, etc.
 ifeq ($(findstring x2.6.,x$(LINUX_VERSION)),x2.6.)
 LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v2.6
-else ifeq ($(findstring x3.,x$(LINUX_VERSION)),x3.)
-LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v3.x
-else ifeq ($(findstring x4.,x$(LINUX_VERSION)),x4.)
-LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v4.x
+else
+LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/v$(firstword $(subst ., ,$(LINUX_VERSION))).x
 endif
 endif
 
@@ -64,6 +59,10 @@ BR_NO_CHECK_HASH_FOR += $(notdir $(LINUX_PATCHES))
 # be directories in the patch list (unlike for other packages).
 LINUX_PATCH = $(filter ftp://% http://% https://%,$(LINUX_PATCHES))
 
+LINUX_MAKE_ENV = \
+	$(TARGET_MAKE_ENV) \
+	BR_BINARIES_DIR=$(BINARIES_DIR)
+
 LINUX_INSTALL_IMAGES = YES
 LINUX_DEPENDENCIES = host-kmod
 
@@ -100,7 +99,13 @@ LINUX_DEPENDENCIES += host-openssl
 endif
 
 ifeq ($(BR2_LINUX_KERNEL_NEEDS_HOST_LIBELF),y)
-LINUX_DEPENDENCIES += host-elfutils
+LINUX_DEPENDENCIES += host-elfutils host-pkgconf
+LINUX_MAKE_ENV += \
+	PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
+	PKG_CONFIG_SYSROOT_DIR="/" \
+	PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
+	PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
+	PKG_CONFIG_LIBDIR="$(HOST_DIR)/lib/pkgconfig:$(HOST_DIR)/share/pkgconfig"
 endif
 
 # If host-uboot-tools is selected by the user, assume it is needed to
@@ -124,10 +129,6 @@ LINUX_MAKE_FLAGS = \
 	CROSS_COMPILE="$(TARGET_CROSS)" \
 	DEPMOD=$(HOST_DIR)/sbin/depmod
 
-LINUX_MAKE_ENV = \
-	$(TARGET_MAKE_ENV) \
-	BR_BINARIES_DIR=$(BINARIES_DIR)
-
 ifeq ($(BR2_REPRODUCIBLE),y)
 LINUX_MAKE_ENV += \
 	KBUILD_BUILD_VERSION=1 \
@@ -438,15 +439,16 @@ endif
 endif
 
 # Compilation. We make sure the kernel gets rebuilt when the
-# configuration has changed.
+# configuration has changed. We call the 'all' and
+# '$(LINUX_TARGET_NAME)' targets separately because calling them in
+# the same $(MAKE) invocation has shown to cause parallel build
+# issues.
 define LINUX_BUILD_CMDS
 	$(foreach dts,$(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_DTS_PATH)), \
 		cp -f $(dts) $(LINUX_ARCH_PATH)/boot/dts/
 	)
+	$(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) all
 	$(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) $(LINUX_TARGET_NAME)
-	@if grep -q "CONFIG_MODULES=y" $(@D)/.config; then \
-		$(LINUX_MAKE_ENV) $(MAKE) $(LINUX_MAKE_FLAGS) -C $(@D) modules ; \
-	fi
 	$(LINUX_BUILD_DTB)
 	$(LINUX_APPEND_DTB)
 endef