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docs/INSTALL: update Android Instructions for newer NDKs

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Closes #9732
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Christopher Sauer 2022-10-13 19:25:05 -07:00 committed by Daniel Stenberg
parent 05f477ad4b
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docs/INSTALL.md
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@ -328,7 +328,7 @@ In all above, the built libraries and executables can be found in the
# Android
When building curl for Android it's recommended to use a Linux environment
When building curl for Android it's recommended to use a Linux/macOS environment
since using curl's `configure` script is the easiest way to build curl
for Android. Before you can build curl for Android, you need to install the
Android NDK first. This can be done using the SDK Manager that is part of
@ -338,16 +338,16 @@ launching `configure`. On macOS, those variables could look like this to compile
for `aarch64` and API level 29:
```bash
export NDK=~/Library/Android/sdk/ndk/20.1.5948944
export HOST_TAG=darwin-x86_64
export TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/$HOST_TAG
export AR=$TOOLCHAIN/bin/aarch64-linux-android-ar
export AS=$TOOLCHAIN/bin/aarch64-linux-android-as
export CC=$TOOLCHAIN/bin/aarch64-linux-android29-clang
export CXX=$TOOLCHAIN/bin/aarch64-linux-android29-clang++
export LD=$TOOLCHAIN/bin/aarch64-linux-android-ld
export RANLIB=$TOOLCHAIN/bin/aarch64-linux-android-ranlib
export STRIP=$TOOLCHAIN/bin/aarch64-linux-android-strip
export ANDROID_NDK_HOME=~/Library/Android/sdk/ndk/25.1.8937393 # Point into your NDK.
export HOST_TAG=darwin-x86_64 # Same tag for Apple Silicon. Other OS values here: https://developer.android.com/ndk/guides/other_build_systems#overview
export TOOLCHAIN=$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/$HOST_TAG
export AR=$TOOLCHAIN/bin/llvm-ar
export AS=$TOOLCHAIN/bin/llvm-as
export CC=$TOOLCHAIN/bin/aarch64-linux-android21-clang
export CXX=$TOOLCHAIN/bin/aarch64-linux-android21-clang++
export LD=$TOOLCHAIN/bin/ld
export RANLIB=$TOOLCHAIN/bin/llvm-ranlib
export STRIP=$TOOLCHAIN/bin/llvm-strip
```
When building on Linux or targeting other API levels or architectures, you need
@ -363,11 +363,10 @@ OpenSSL, follow the OpenSSL build instructions and then install `libssl.a` and
`$TOOLCHAIN/sysroot/usr/include`. Now you can build curl for Android using
OpenSSL like this:
```bash
LIBS="-lssl -lcrypto -lc++" # For OpenSSL/BoringSSL. In general, you'll need to the SSL/TLS layer's transtive dependencies if you're linking statically.
./configure --host aarch64-linux-android --with-pic --disable-shared --with-openssl="$TOOLCHAIN/sysroot/usr"
Note, however, that you must target at least Android M (API level 23) or `configure`
will not be able to detect OpenSSL since `stderr` (and the like) were not defined
before Android M.
```
# IBM i