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

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45457
This commit is contained in:
Felix Fietkau 2015-04-16 12:18:26 +00:00
parent 2705cda813
commit a0ced5164a
2 changed files with 7 additions and 2 deletions

View File

@ -166,6 +166,8 @@ clean dirclean: .config
prereq:: prepare-tmpinfo .config
@+$(NO_TRACE_MAKE) -r -s $@
WARN_PARALLEL_ERROR = $(if $(BUILD_LOG),,$(and $(filter -j,$(MAKEFLAGS)),$(findstring s,$(OPENWRT_VERBOSE))))
ifeq ($(SDK),1)
%::
@ -184,7 +186,10 @@ else
printf "$(_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

View File

@ -54,7 +54,7 @@ ifeq ($(findstring s,$(OPENWRT_VERBOSE)),)
else
SILENT:=>/dev/null $(if $(findstring w,$(OPENWRT_VERBOSE)),,2>&1)
export QUIET:=1
SUBMAKE=cmd() { $(SILENT) $(MAKE) -s $$* < /dev/null || { echo "make $$*: build failed. Please re-run make with V=s to see what's going on"; false; } } 8>&1 9>&2; cmd
SUBMAKE=cmd() { $(SILENT) $(MAKE) -s $$* < /dev/null || { echo "make $$*: build failed. Please re-run make with -j1 V=s to see what's going on"; false; } } 8>&1 9>&2; cmd
endif
.SILENT: $(MAKECMDGOALS)