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Update how-to-build documentation.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12061
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Julian Seward 2011-09-27 11:54:01 +00:00
parent 57b66d4b7d
commit aecb3876cb
1 changed files with 29 additions and 10 deletions
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39
README.android
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@ -1,5 +1,6 @@
How to cross-compile for Android.
How to cross-compile for Android. These notes were last updated on
27 Sept 2011, for Valgrind SVN revision 12060/2209.
This is known to work at least for Android 2.3.4 running on a (rooted,
AOSP build) Nexus S. It has also worked in the past on a
@ -8,21 +9,25 @@ Other configurations and toolchains might work, but haven't been
tested. Feedback is welcome.
You need the android-ndk-r6 native development kit. Install it
somewhere. Then do this:
somewhere. Doesn't matter where. Then do this:
# Modify this (obviously).
# Modify this (obviously). Note, this "export" command is only done
# so as to reduce the amount of typing required. None of the commands
# below read it as part of their operation.
#
export NDKROOT=/path/to/android-ndk-r6
# And then (unmodified)
# Modify this too. Tell the build system which Android hardware you
# are building for. It needs to know this so it can compile in
# support for the right Android-hw-specific ioctls. (sigh.) As with
# NDKROOT above, this is merely to avoid repeated typing; none of the
# commands read it.
#
export AR=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-ar
export CPP=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-cpp
export LD=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-ld
export CXX=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-g++
export CC=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc
# Currently the only supported value is: nexus_s
#
export HWKIND=nexus_t # Samsung Nexus S
# Then cd to the root of your Valgrind source tree.
@ -30,12 +35,26 @@ export CC=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin
cd /path/to/valgrind/source/tree
# After this point, you don't need to modify anything; just copy and
# paste the commands below.
# Set up toolchain paths.
#
export AR=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-ar
export LD=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-ld
export CC=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-gcc
# Do configuration stuff. Don't mess with the --prefix in the
# configure command below, even if you think it's wrong.
# You may need to set the --with-tmpdir path to something
# different if /sdcard doesn't works on the device -- this is
# a known cause of difficulties.
./autogen.sh
CPPFLAGS="--sysroot=$NDKROOT/platforms/android-3/arch-arm" \
CPPFLAGS="--sysroot=$NDKROOT/platforms/android-3/arch-arm -DANDROID_HARDWARE_$HWKIND" \
CFLAGS="--sysroot=$NDKROOT/platforms/android-3/arch-arm" \
./configure --prefix=/data/local/Inst \
--host=armv7-unknown-linux --target=armv7-unknown-linux \