From 469ce629026cfd5be89ffb02aaddc68afb16a4a2 Mon Sep 17 00:00:00 2001
From: Leonid Evdokimov <leon@darkk.net.ru>
Date: Wed, 25 Sep 2024 17:49:37 +0300
Subject: [PATCH] ci: test `aarch64` and `armv7` static binaries with
 `qemu-user-static`

---
 .github/workflows/ci.yml |  4 ++++
 CMakeLists.txt           | 10 +++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 28e8e185..ea4bd545 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,6 +36,8 @@ jobs:
     - run: sudo apt-get install -o Acquire::Retries=5 -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu
     - run: cmake -DCMAKE_TOOLCHAIN_FILE=CMakeARM64Cross.txt
     - run: make -j4 VERBOSE=1
+    - run: sudo apt-get install -o Acquire::Retries=5 -y qemu-user-static
+    - run: make -j4 test ARGS=-V
   armv7:
     runs-on: ubuntu-latest
     steps:
@@ -48,6 +50,8 @@ jobs:
     - run: sudo apt-get install -o Acquire::Retries=5 -y gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf
     - run: cmake -DCMAKE_TOOLCHAIN_FILE=CMakeARMCross.txt
     - run: make -j4 VERBOSE=1
+    - run: sudo apt-get install -o Acquire::Retries=5 -y qemu-user-static
+    - run: make -j4 test ARGS=-V
   macOS:
     name: macOS
     runs-on: macOS-latest
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 75f2744d..8b0913de 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -759,7 +759,15 @@ SET(exectargets ${exectargets} SMHasher)
 #
 # target_link_libraries( bittest SMHasherSupport ${CMAKE_THREAD_LIBS_INIT} )
 
-if(NOT (CMAKE_CROSSCOMPILING))
+set(QEMU_TESTING FALSE)
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  exec_program(cat ARGS "/proc/sys/fs/binfmt_misc/qemu-${CMAKE_SYSTEM_PROCESSOR}" OUTPUT_VARIABLE QEMU)
+  if(QEMU MATCHES "^enabled\n")
+    set(QEMU_TESTING TRUE)
+  endif()
+endif()
+
+if(NOT (CMAKE_CROSSCOMPILING) OR QEMU_TESTING)
   enable_testing()
   add_test(List SMHasher --list)
   add_test(VerifyAll SMHasher --test=VerifyAll)