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Add a file containing information on how to cross-compile for Android.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11888
This commit is contained in:
Julian Seward 2011-07-12 13:34:31 +00:00
parent 5eabf446b4
commit 634a591426
2 changed files with 59 additions and 0 deletions
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1
Makefile.am
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@ -100,6 +100,7 @@ EXTRA_DIST = \
README_PACKAGERS \
README_MISSING_SYSCALL_OR_IOCTL \
README.s390 \
README.android \
valgrind.pc.in \
valgrind.spec.in \
valgrind.spec

58
README.android Normal file
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@ -0,0 +1,58 @@
How to cross-compile for Android.
This is known to work at least for Android 3.0 running on a Motorola
Xoom. Other configurations and toolchains might work, but haven't
been tested. Feedback is welcome.
You need the android-ndk-r5c native development kit. Install it
somewhere. Then do this:
# Maybe not all of these are necessary -- I'm just being cautious.
#
export AR=/path/to/android-ndk-r5c/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-ar
export CPP=/path/to/android-ndk-r5c/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-cpp
export LD=/path/to/android-ndk-r5c/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-ld
export CXX=/path/to/android-ndk-r5c/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-g++
export CC=/path/to/android-ndk-r5c/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc
# Configure. This will build a Valgrind that needs to go in
# /data/local/Inst on the device and that uses /data/local/tmp
# as the tmp dir on the device. This means it can operate on
# non-rooted (production) devices.
#
cd trunk
./autogen.sh
CPPFLAGS="--sysroot=/path/to/android-ndk-r5c/platforms/android-3/arch-arm" \
CFLAGS="--sysroot=/path/to/android-ndk-r5c/platforms/android-3/arch-arm" \
./configure --prefix=/data/local/Inst \
--host=armv7-unknown-linux --target=armv7-unknown-linux \
--with-tmpdir=/data/local/tmp
# At the end of the configure run, a few lines of details
# are printed. Make sure that you see these two lines:
#
# Platform variant: android
# Primary -DVGPV string: -DVGPV_arm_linux_android=1
#
# If you see anything else at this point, something is wrong, and
# either the build will fail, or will succeed but you'll get something
# which won't work.
# Build, and park the install tree in `pwd`/Inst
make
make install DESTDIR=`pwd`/Inst
# To get the install tree onto the device:
# (I don't know why it's not "adb push Inst /data/local", but this
# formulation does appear to put the result in /data/local/Inst.)
#
adb push Inst /
# To run (on the device)
/data/local/Bin/valgrind [the usual args etc]