build: tell users to do non-paralle builds on errors

[openwrt/openwrt.git] / include / toplevel.mk

diff --git a/include/toplevel.mk b/include/toplevel.mk
index 10b81049c5439b70d85b049d618096932f58fe27..d8651d923b58fa8663b5affab11390be85a0b61f 100644 (file)
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -6,7 +6,7 @@
 # See /LICENSE for more information.
 #
 
-RELEASE:=Barrier Breaker
+RELEASE:=Chaos Calmer
 PREP_MK= OPENWRT_BUILD= QUIET=0
 
 export IS_TTY=$(shell tty -s && echo 1 || echo 0)
@@ -19,7 +19,7 @@ else
   REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
 endif
 
-HOSTCC ?= gcc
+HOSTCC ?= $(CC)
 OPENWRTVERSION:=$(RELEASE)$(if $(REVISION), ($(REVISION)))
 export RELEASE
 export REVISION
@@ -43,6 +43,8 @@ unexport LPATH
 # make sure that a predefined CFLAGS variable does not disturb packages
 export CFLAGS=
 
+unexport TAR_OPTIONS
+
 ifneq ($(shell $(HOSTCC) 2>&1 | grep clang),)
   export HOSTCC_REAL?=$(HOSTCC)
   export HOSTCC_WRAPPER:=$(TOPDIR)/scripts/clang-gcc-wrapper
@@ -51,7 +53,7 @@ else
 endif
 
 ifeq ($(FORCE),)
-  .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
+  .config scripts/config/conf scripts/config/mconf: staging_dir/host/.prereq-build
 endif
 
 SCAN_COOKIE?=$(shell echo $$$$)
@@ -64,6 +66,7 @@ ULIMIT_FIX=_limit=`ulimit -n`; [ "$$_limit" = "unlimited" -o "$$_limit" -ge 1024
 prepare-mk: FORCE ;
 
 prepare-tmpinfo: FORCE
+       @+$(MAKE) -r -s staging_dir/host/.prereq-build $(PREP_MK)
        mkdir -p tmp/info
        $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk $(TOPDIR)/overlay/*/*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
        $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
@@ -71,7 +74,9 @@ prepare-tmpinfo: FORCE
                f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
                [ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $${type}_config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
        done
+       [ tmp/.config-feeds.in -nt tmp/.packagefeeds ] || ./scripts/feeds feed_config > tmp/.config-feeds.in
        ./scripts/metadata.pl package_mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
+       ./scripts/metadata.pl package_feeds tmp/.packageinfo > tmp/.packagefeeds || { rm -f tmp/.packagefeeds; false; }
        touch $(TOPDIR)/tmp/.build
 
 .config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
@@ -131,13 +136,19 @@ kernel_menuconfig: prepare_kernel_conf
 kernel_nconfig: prepare_kernel_conf
        $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
 
-tmp/.prereq-build: include/prereq-build.mk
+staging_dir/host/.prereq-build: include/prereq-build.mk
        mkdir -p tmp
        rm -f tmp/.host.mk
        @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
                echo "Prerequisite check failed. Use FORCE=1 to override."; \
                false; \
        }
+  ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
+       @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \
+               echo "Preparation failed."; \
+               false; \
+       }
+  endif
        touch $@
 
 printdb: FORCE
@@ -150,12 +161,13 @@ download: .config FORCE
        @+$(SUBMAKE) target/download
 
 clean dirclean: .config
-       @+$(SUBMAKE) -r $@ 
+       @+$(SUBMAKE) -r $@
 
 prereq:: prepare-tmpinfo .config
-       @+$(MAKE) -r -s tmp/.prereq-build $(PREP_MK)
        @+$(NO_TRACE_MAKE) -r -s $@
 
+WARN_PARALLEL_ERROR = $(if $(BUILD_LOG),,$(and $(filter -j,$(MAKEFLAGS)),$(findstring s,$(OPENWRT_VERBOSE))))
+
 ifeq ($(SDK),1)
 
 %::
@@ -174,7 +186,10 @@ else
                        printf "$(_R)WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!$(_N)\n" >&2; \
                fi \
        )
-       @+$(ULIMIT_FIX) $(SUBMAKE) -r $@
+       @+$(ULIMIT_FIX) $(SUBMAKE) -r $@ $(if $(WARN_PARALLEL_ERROR), || { \
+               printf "$(_R)Build failed - please re-run with -j1 to see the real error message$(_N)\n" >&2; \
+               false; \
+       } )
 
 endif
 
@@ -192,7 +207,7 @@ distclean:
        @$(_SINGLE)$(SUBMAKE) -C scripts/config clean
 
 ifeq ($(findstring v,$(DEBUG)),)
-  .SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig tmp/.prereq-build tmp/.prereq-package prepare-tmpinfo
+  .SILENT: symlinkclean clean dirclean distclean config-clean download help tmpinfo-clean .config scripts/config/mconf scripts/config/conf menuconfig staging_dir/host/.prereq-build tmp/.prereq-package prepare-tmpinfo
 endif
 .PHONY: help FORCE
 .NOTPARALLEL: