1# Copyright © 2010 2# Thorsten Glaser <t.glaser@tarent.de> 3# This file is provided under the same terms as mksh. 4#- 5# Helper script to let src/Build.sh generate Makefrag.inc 6# which we in turn use in the manual creation of Android.mk 7# 8# This script is supposed to be run from/inside AOSP by the 9# porter of mksh to Android (and only manually). 10 11cd "$(dirname "$0")" 12srcdir=$(pwd) 13rm -rf tmp 14mkdir tmp 15cd ../../.. 16aospdir=$(pwd) 17cd $srcdir/tmp 18 19addvar() { 20 _vn=$1; shift 21 22 eval $_vn=\"\$$_vn '$*"' 23} 24 25CFLAGS= 26CPPFLAGS= 27LDFLAGS= 28LIBS= 29 30# The definitions below were generated by examining the 31# output of the following command: 32# make showcommands out/target/product/generic/system/bin/mksh 2>&1 | tee log 33# 34# They are only used to let Build.sh find the compiler, header 35# files, linker and libraries to generate Makefrag.inc (similar 36# to what GNU autotools’ configure scripts do), and never used 37# during the real build process. We need this to port mksh to 38# the Android platform and it is crucial these are as close as 39# possible to the values used later. (You also must example the 40# results gathered from Makefrag.inc to see they are the same 41# across all Android platforms, or add appropriate ifdefs.) 42# Since we no longer use the NDK, the AOSP has to have been 43# built before using this script (targetting generic/emulator). 44 45CC=$aospdir/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin/arm-eabi-gcc 46addvar CPPFLAGS -I$aospdir/system/core/include \ 47 -I$aospdir/hardware/libhardware/include \ 48 -I$aospdir/system/core/include \ 49 -I$aospdir/hardware/libhardware/include \ 50 -I$aospdir/hardware/libhardware_legacy/include \ 51 -I$aospdir/hardware/ril/include \ 52 -I$aospdir/libnativehelper/include \ 53 -I$aospdir/frameworks/base/include \ 54 -I$aospdir/frameworks/base/opengl/include \ 55 -I$aospdir/external/skia/include \ 56 -I$aospdir/out/target/product/generic/obj/include \ 57 -I$aospdir/bionic/libc/arch-arm/include \ 58 -I$aospdir/bionic/libc/include \ 59 -I$aospdir/bionic/libstdc++/include \ 60 -I$aospdir/bionic/libc/kernel/common \ 61 -I$aospdir/bionic/libc/kernel/arch-arm \ 62 -I$aospdir/bionic/libm/include \ 63 -I$aospdir/bionic/libm/include/arch/arm \ 64 -I$aospdir/bionic/libthread_db/include \ 65 -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ \ 66 -I$aospdir/system/core/include/arch/linux-arm/ \ 67 -include $aospdir/system/core/include/arch/linux-arm/AndroidConfig.h \ 68 -DANDROID -DNDEBUG -UDEBUG 69addvar CFLAGS -fno-exceptions -Wno-multichar -msoft-float -fpic \ 70 -ffunction-sections -funwind-tables -fstack-protector -fno-short-enums \ 71 -march=armv5te -mtune=xscale -mthumb-interwork -fmessage-length=0 \ 72 -W -Wall -Wno-unused -Winit-self -Wpointer-arith -Werror=return-type \ 73 -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point \ 74 -Wstrict-aliasing=2 -finline-functions -fno-inline-functions-called-once \ 75 -fgcse-after-reload -frerun-cse-after-loop -frename-registers -mthumb \ 76 -Os -fomit-frame-pointer -fno-strict-aliasing -finline-limit=64 77addvar LDFLAGS -nostdlib -Bdynamic -Wl,-T,$aospdir/build/core/armelf.x \ 78 -Wl,-dynamic-linker,/system/bin/linker -Wl,--gc-sections \ 79 -Wl,-z,nocopyreloc -Wl,--no-undefined \ 80 $aospdir/out/target/product/generic/obj/lib/crtbegin_dynamic.o 81addvar LIBS -L$aospdir/out/target/product/generic/obj/lib \ 82 -Wl,-rpath-link=$aospdir/out/target/product/generic/obj/lib -lc \ 83 $aospdir/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin/../lib/gcc/arm-eabi/4.4.0/interwork/libgcc.a \ 84 $aospdir/out/target/product/generic/obj/lib/crtend_android.o 85 86 87### Override flags 88# We don’t even *support* UTF-8 by default ☹ 89addvar CPPFLAGS -DMKSH_ASSUME_UTF8=0 90# No getpwnam() calls (affects "cd ~username/" only) 91addvar CPPFLAGS -DMKSH_NOPWNAM 92# Compile an extra small mksh (optional) 93#addvar CPPFLAGS -DMKSH_SMALL 94# Leave out the ulimit builtin 95#addvar CPPFLAGS -DMKSH_NO_LIMITS 96 97# Set target platform 98TARGET_OS=Linux 99# Building with -std=c99 or -std=gnu99 clashes with Bionic headers 100HAVE_CAN_STDG99=0 101HAVE_CAN_STDC99=0 102export HAVE_CAN_STDG99 HAVE_CAN_STDC99 103 104# Android-x86 does not have helper functions for ProPolice SSP 105# and AOSP adds the flags by itself (same for warning flags) 106HAVE_CAN_FNOSTRICTALIASING=0 107HAVE_CAN_FSTACKPROTECTORALL=0 108HAVE_CAN_WALL=0 109export HAVE_CAN_FNOSTRICTALIASING HAVE_CAN_FSTACKPROTECTORALL HAVE_CAN_WALL 110 111# disable the mknod(8) built-in to get rid of needing setmode.c 112HAVE_MKNOD=0; export HAVE_MKNOD 113 114# even the idea of persistent history on a phone is funny 115HAVE_PERSISTENT_HISTORY=0; export HAVE_PERSISTENT_HISTORY 116 117# ... and run it! 118export CC CPPFLAGS CFLAGS LDFLAGS LIBS TARGET_OS 119sh ../src/Build.sh -M 120rv=$? 121test x0 = x"$rv" && mv -f Makefrag.inc ../ 122cd .. 123rm -rf tmp 124exit $rv 125