make: do a better job of sanitizing LD_LIBRARY_PATH (fixes #8069)
[openwrt.git] / include / toplevel.mk
1 # Makefile for OpenWrt
2 #
3 # Copyright (C) 2007-2011 OpenWrt.org
4 #
5 # This is free software, licensed under the GNU General Public License v2.
6 # See /LICENSE for more information.
7 #
8
9 RELEASE:=Attitude Adjustment
10 PREP_MK= OPENWRT_BUILD= QUIET=0
11
12 include $(TOPDIR)/include/verbose.mk
13
14 ifeq ($(SDK),1)
15   include $(TOPDIR)/include/version.mk
16 else
17   REVISION:=$(shell $(TOPDIR)/scripts/getver.sh)
18 endif
19
20 OPENWRTVERSION:=$(RELEASE)$(if $(REVISION), ($(REVISION)))
21 export RELEASE
22 export REVISION
23 export OPENWRTVERSION
24 export IS_TTY=$(shell tty -s && echo 1 || echo 0)
25 export LD_LIBRARY_PATH:=$(subst ::,:,$(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
26 export DYLD_LIBRARY_PATH:=$(subst ::,:,$(if $(DYLD_LIBRARY_PATH),$(DYLD_LIBRARY_PATH):)$(STAGING_DIR_HOST)/lib)
27 export GIT_CONFIG_PARAMETERS='core.autocrlf=false'
28
29 # prevent perforce from messing with the patch utility
30 unexport P4PORT P4USER P4CONFIG P4CLIENT
31
32 # prevent user defaults for quilt from interfering
33 unexport QUILT_PATCHES QUILT_PATCH_OPTS
34
35 unexport C_INCLUDE_PATH
36
37 # prevent distro default LPATH from interfering
38 unexport LPATH
39
40 # make sure that a predefined CFLAGS variable does not disturb packages
41 export CFLAGS=
42
43 ifeq ($(FORCE),)
44   .config scripts/config/conf scripts/config/mconf: tmp/.prereq-build
45 endif
46
47 SCAN_COOKIE?=$(shell echo $$$$)
48 export SCAN_COOKIE
49
50 SUBMAKE:=umask 022; $(SUBMAKE)
51
52 prepare-mk: FORCE ;
53
54 prepare-tmpinfo: FORCE
55         mkdir -p tmp/info
56         $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="packageinfo" SCAN_DIR="package" SCAN_NAME="package" SCAN_DEPS="$(TOPDIR)/include/package*.mk $(TOPDIR)/overlay/*/*.mk" SCAN_DEPTH=5 SCAN_EXTRA=""
57         $(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f include/scan.mk SCAN_TARGET="targetinfo" SCAN_DIR="target/linux" SCAN_NAME="target" SCAN_DEPS="profiles/*.mk $(TOPDIR)/include/kernel*.mk $(TOPDIR)/include/target.mk" SCAN_DEPTH=2 SCAN_EXTRA="" SCAN_MAKEOPTS="TARGET_BUILD=1"
58         for type in package target; do \
59                 f=tmp/.$${type}info; t=tmp/.config-$${type}.in; \
60                 [ "$$t" -nt "$$f" ] || ./scripts/metadata.pl $${type}_config "$$f" > "$$t" || { rm -f "$$t"; echo "Failed to build $$t"; false; break; }; \
61         done
62         ./scripts/metadata.pl package_mk tmp/.packageinfo > tmp/.packagedeps || { rm -f tmp/.packagedeps; false; }
63         touch $(TOPDIR)/tmp/.build
64
65 .config: ./scripts/config/conf $(if $(CONFIG_HAVE_DOT_CONFIG),,prepare-tmpinfo)
66         @+if [ \! -e .config ] || ! grep CONFIG_HAVE_DOT_CONFIG .config >/dev/null; then \
67                 [ -e $(HOME)/.openwrt/defconfig ] && cp $(HOME)/.openwrt/defconfig .config; \
68                 $(_SINGLE)$(NO_TRACE_MAKE) menuconfig $(PREP_MK); \
69         fi
70
71 scripts/config/mconf:
72         @$(_SINGLE)$(SUBMAKE) -s -C scripts/config all
73
74 $(eval $(call rdep,scripts/config,scripts/config/mconf))
75
76 scripts/config/conf:
77         @$(_SINGLE)$(SUBMAKE) -s -C scripts/config conf
78
79 config: scripts/config/conf prepare-tmpinfo FORCE
80         $< Config.in
81
82 config-clean: FORCE
83         $(_SINGLE)$(NO_TRACE_MAKE) -C scripts/config clean
84
85 defconfig: scripts/config/conf prepare-tmpinfo FORCE
86         touch .config
87         $< -D .config Config.in
88
89 oldconfig: scripts/config/conf prepare-tmpinfo FORCE
90         $< -$(if $(CONFDEFAULT),$(CONFDEFAULT),o) Config.in
91
92 menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
93         if [ \! -e .config -a -e $(HOME)/.openwrt/defconfig ]; then \
94                 cp $(HOME)/.openwrt/defconfig .config; \
95         fi
96         $< Config.in
97
98 prepare_kernel_conf: .config FORCE
99
100 ifeq ($(wildcard staging_dir/host/bin/quilt),)
101   prepare_kernel_conf:
102         @+$(SUBMAKE) -r tools/quilt/install
103 else
104   prepare_kernel_conf: ;
105 endif
106
107 kernel_oldconfig: prepare_kernel_conf
108         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux oldconfig
109
110 kernel_menuconfig: prepare_kernel_conf
111         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
112
113 kernel_nconfig: prepare_kernel_conf
114         $(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
115
116 tmp/.prereq-build: include/prereq-build.mk
117         mkdir -p tmp
118         rm -f tmp/.host.mk
119         @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
120                 echo "Prerequisite check failed. Use FORCE=1 to override."; \
121                 false; \
122         }
123         touch $@
124
125 printdb: FORCE
126         @$(_SINGLE)$(NO_TRACE_MAKE) -p $@ V=99 DUMP_TARGET_DB=1 2>&1
127
128 download: .config FORCE
129         @+$(SUBMAKE) tools/download
130         @+$(SUBMAKE) toolchain/download
131         @+$(SUBMAKE) package/download
132         @+$(SUBMAKE) target/download
133
134 clean dirclean: .config
135         @+$(SUBMAKE) -r $@ 
136
137 prereq:: prepare-tmpinfo .config
138         @+$(MAKE) -r -s tmp/.prereq-build $(PREP_MK)
139         @+$(NO_TRACE_MAKE) -r -s $@
140
141 %::
142         @+$(PREP_MK) $(NO_TRACE_MAKE) -r -s prereq
143         @( \
144                 cp .config tmp/.config; \
145                 ./scripts/config/conf -D tmp/.config -w tmp/.config Config.in > /dev/null 2>&1; \
146                 if ./scripts/kconfig.pl '>' .config tmp/.config | grep -q CONFIG; then \
147                         echo "WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!"; \
148                 fi \
149         )
150         @+$(SUBMAKE) -r $@
151
152 help:
153         cat README
154
155 docs docs/compile: FORCE
156         @$(_SINGLE)$(SUBMAKE) -C docs compile
157
158 docs/clean: FORCE
159         @$(_SINGLE)$(SUBMAKE) -C docs clean
160
161 distclean:
162         rm -rf tmp build_dir staging_dir dl .config* feeds package/feeds package/openwrt-packages bin
163         @$(_SINGLE)$(SUBMAKE) -C scripts/config clean
164
165 ifeq ($(findstring v,$(DEBUG)),)
166   .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
167 endif
168 .PHONY: help FORCE
169 .NOTPARALLEL:
170