From 787c02a6aceba5cf9e819ce677a04556deaef847 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Wed, 22 Jun 2022 15:37:29 -0700
Subject: [PATCH] ci: Verify the Android build

Let the continuous integration infrastructure verify the fio Android build
in order to detect regressions in the Android build quickly.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 .github/workflows/ci.yml |  5 +++++
 ci/actions-build.sh      | 19 +++++++++++++++++--
 ci/actions-full-test.sh  |  2 ++
 ci/actions-install.sh    |  7 +++++++
 ci/actions-smoke-test.sh |  2 ++
 5 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd8ce142..650366b2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,7 @@ jobs:
         - linux-clang
         - macos
         - linux-i686-gcc
+        - android
         include:
         - build: linux-gcc
           os: ubuntu-20.04
@@ -27,8 +28,12 @@ jobs:
         - build: linux-i686-gcc
           os: ubuntu-20.04
           arch: i686
+        - build: android
+          os: ubuntu-20.04
+          arch: aarch64-linux-android32
 
     env:
+      CI_TARGET_BUILD: ${{ matrix.build }}
       CI_TARGET_ARCH: ${{ matrix.arch }}
       CC: ${{ matrix.cc }}
 
diff --git a/ci/actions-build.sh b/ci/actions-build.sh
index 74a6fdcb..2b3de8e3 100755
--- a/ci/actions-build.sh
+++ b/ci/actions-build.sh
@@ -11,8 +11,23 @@ main() {
     local configure_flags=()
 
     set_ci_target_os
-    case "${CI_TARGET_OS}" in
-        "linux")
+    case "${CI_TARGET_BUILD}/${CI_TARGET_OS}" in
+        android/*)
+            export UNAME=Android
+            if [ -z "${CI_TARGET_ARCH}" ]; then
+                echo "Error: CI_TARGET_ARCH has not been set"
+                return 1
+            fi
+            NDK=$PWD/android-ndk-r24/toolchains/llvm/prebuilt/linux-x86_64/bin
+            export PATH="${NDK}:${PATH}"
+            export LIBS="-landroid"
+            CC=${NDK}/${CI_TARGET_ARCH}-clang
+            if [ ! -e "${CC}" ]; then
+                echo "Error: could not find ${CC}"
+                return 1
+            fi
+            ;;
+        */linux)
             case "${CI_TARGET_ARCH}" in
                 "i686")
                     extra_cflags="${extra_cflags} -m32"
diff --git a/ci/actions-full-test.sh b/ci/actions-full-test.sh
index 8282002f..d1675f6e 100755
--- a/ci/actions-full-test.sh
+++ b/ci/actions-full-test.sh
@@ -3,6 +3,8 @@
 set -eu
 
 main() {
+    [ "${CI_TARGET_BUILD}" = android ] && return 0
+
     echo "Running long running tests..."
     export PYTHONUNBUFFERED="TRUE"
     if [[ "${CI_TARGET_ARCH}" == "arm64" ]]; then
diff --git a/ci/actions-install.sh b/ci/actions-install.sh
index 0e472717..ff514926 100755
--- a/ci/actions-install.sh
+++ b/ci/actions-install.sh
@@ -83,6 +83,13 @@ install_macos() {
 }
 
 main() {
+    if [ "${CI_TARGET_BUILD}" = "android" ]; then
+	echo "Installing Android NDK..."
+	wget --quiet https://dl.google.com/android/repository/android-ndk-r24-linux.zip
+	unzip -q android-ndk-r24-linux.zip
+	return 0
+    fi
+
     set_ci_target_os
 
     install_function="install_${CI_TARGET_OS}"
diff --git a/ci/actions-smoke-test.sh b/ci/actions-smoke-test.sh
index c129c89f..3196f6a1 100755
--- a/ci/actions-smoke-test.sh
+++ b/ci/actions-smoke-test.sh
@@ -3,6 +3,8 @@
 set -eu
 
 main() {
+    [ "${CI_TARGET_BUILD}" = "android" ] && return 0
+
     echo "Running smoke tests..."
     make test
 }
-- 
2.25.1