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`````` ecl_to_run=/opt/ecl/host/bin/ecltoecl_to_run=$ECL_INSTALL_ROOT_DIR/host/bin/ecl```

git://common-lisp.net/projects/mirror/slime.git isn't cloneable by anonymous. Changing the source to to another slime repository, say https://github.com/slime/slime, caused the build to fail because it's unable to pull the specific version required by the build script. The work around that got things running for me was to remove the module:

rm -rf .git/modules/slime
git submodule deinit slime
git rm slime
git rm --cached slime
git clone https://github.com/slime/slime

The original error generated by

make update

was

Clone of 'git://common-lisp.net/projects/mirror/slime.git' into submodule path 'slime' failed
Makefile:37: recipe for target 'update-modules' failed
make: *** [update-modules] Error 1
rett@rett-nuc:~/dev/android-studio/ecl-android-bak/ecl-android$ make update
git submodule init
git submodule update
Cloning into 'slime'...
fatal: unable to connect to common-lisp.net:
common-lisp.net[0: 148.251.248.130]: errno=Connection refused
common-lisp.net[1: 2a01:4f8:200:4310::30]: errno=Network is unreachable

Clone of 'git://common-lisp.net/projects/mirror/slime.git' into submodule path 'slime' failed
Makefile:37: recipe for target 'update-modules' failed
make: *** [update-modules] Error 1

./configure_cross host fails with
"configure: error: Oops, mp_limb_t is 32 bits, but the assembler code
in this configuration expects 64 bits."

Fixed it by adding "ABI=32 " to the config_opts for the host in configure_cross

First issue I ran into seems to be when calling make. cl-opengl cannot be checked out.
I bypassed this by manually checking it out via -> git clone git://github.com/ageneau/cl-opengl.git to the lisp-packages directory.

2nd issue:
When configuring for host, I will run into the error that I cannot do "make install". bin/ doesn't contain a ecl binay. However I don't see any building errors. However there is a ecl-min binary in build/host/ecl directory.

3rd issue:
When configuring for Android under Linux 64bit, I will get this error:

./configure_gmp_cross android
Can not find Android toolchain in /opt/android/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/.
The NDK version might be wrong.

The problem is that the NDK is 32bit only. This can by bypassed by setting a link from linux-x86 to linux-x86_64 in $ANDROID_NDK_ROOT/toolchains/arm-linux-androideabi-4.6/prebuilt.

4th issue
From here I cannot proceed, cause I do not have a working ecl, which failed in 2nd issue.

This was tested under Debain "wheezy" 64 bit VM install.

This project is not up-to-date - many dependencies are obsolete; neither is it straightforward. There are too many bugs to mention here, and the documentation for how to build it is spartan. Please have a look at a straightforward simple example: https://github.com/stockrt/sqlite3-android, this ECL project should be as easy and straightforward as building the sqlite3 example (even though ECL is more complicated than sqlite, that should not be an excuse to not have a streamlined build process). Regards.

Running the standalone binary ecl on Android L (emulator) causes an error:
error: only position independent executables (PIE) are supported.

This is due to the fact that Android L linker checks if PIE is enabled on the executable when it is loaded into the memory.

It would be great if you would implement the support of PIE for ECL on Android. I am using ecl on android to build Maxima on Android.

Great job getting ECL working on not only Android, but iOS as well. How about Windows Phone?

Can we move these patches upstream so that ECL coders get Android support out of the box?