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build: fix host menu config targets using ncurses

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On a recent Gentoo Linux installation, invoking `make menuconfig`, `make
kernel_menuconfig` or `make kernel_nconfig` in the build system fails,
whereas for example `make menuconfig` in the kernel tree alone works as
expected.

This is happening because STAGING_PREFIX is not defined when kernel's
{menu,n}config target calls pkg-config from the toolchain/host and thus
pkg-config returns an empty value, and the fallback values in the kernel
config script are applied but those are off and the linking fails.

Solution is to use system's pkg-config for all ncurses based menu config
targets in order to provide proper compiler/linker flags.

Ref: FS#2423
Cc: Thomas Albers <thomas.gameiro@gmail.com>
Tested-by: Stijn Tintel <stijn@linux-ipv6.be>
Tested-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Petr Štetiar 2019-09-20 14:54:56 +02:00
parent 661e37ccea
commit 965f341aa9
3 changed files with 11 additions and 3 deletions
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1
Makefile
View File

@ -18,6 +18,7 @@ $(if $(findstring $(space),$(TOPDIR)),$(error ERROR: The path to the OpenWrt dir
world:
DISTRO_PKG_CONFIG:=$(shell which -a pkg-config | grep -E '\/usr' | head -n 1)
export PATH:=$(TOPDIR)/staging_dir/host/bin:$(PATH)
ifneq ($(OPENWRT_BUILD),1)

11
include/toplevel.mk
View File

@ -99,13 +99,18 @@ prepare-tmpinfo: FORCE
$(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
fi
ifneq ($(DISTRO_PKG_CONFIG),)
scripts/config/mconf: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
endif
scripts/config/mconf:
@$(_SINGLE)$(SUBMAKE) -s -C scripts/config all CC="$(HOSTCC_WRAPPER)"
$(eval $(call rdep,scripts/config,scripts/config/mconf))
scripts/config/qconf:
@$(_SINGLE)$(SUBMAKE) -s -C scripts/config qconf CC="$(HOSTCC_WRAPPER)"
@$(_SINGLE)$(SUBMAKE) -s -C scripts/config qconf \
CC="$(HOSTCC_WRAPPER)" \
DISTRO-PKG-CONFIG="$(DISTRO_PKG_CONFIG)"
scripts/config/conf:
@$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf CC="$(HOSTCC_WRAPPER)"
@ -157,6 +162,10 @@ endif
kernel_oldconfig: prepare_kernel_conf
$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
ifneq ($(DISTRO_PKG_CONFIG),)
kernel_menuconfig: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
kernel_nconfig: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
endif
kernel_menuconfig: prepare_kernel_conf
$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig

2
scripts/config/Makefile
View File

@ -20,8 +20,6 @@ check_lxdialog = $(shell $(SHELL) $(CURDIR)/lxdialog/check-lxdialog.sh -$(1))
export CFLAGS += -DKBUILD_NO_NLS -I. $(call check_lxdialog,ccflags)
export CXXFLAGS += -DKBUILD_NO_NLS
DISTRO-PKG-CONFIG := $(shell which -a pkg-config | grep -E '\/usr' | head -n 1)
conf-objs := conf.o zconf.tab.o
mconf-objs := mconf.o zconf.tab.o
qconf-cxxobjs := qconf.o