From a764e3a04cb980d65b1f389ffac68ab6324d9c7b Mon Sep 17 00:00:00 2001
From: Alexander Sherikov <alexander@sherikov.net>
Date: Wed, 4 Sep 2024 21:14:38 +0400
Subject: [PATCH] cross_raspberry_pi: +PYTHON_SOABI; +cross_python_soabi target

---
 README.md                                                   | 5 +++++
 ccws/make/cross.mk                                          | 3 +++
 ccws/profiles/build/cross_raspberry_pi/setup.bash           | 6 ++++++
 ccws/profiles/build/cross_raspberry_pi/toolchain_body.cmake | 1 +
 ccws/tests/test_cross.mk                                    | 1 +
 5 files changed, 16 insertions(+)

diff --git a/README.md b/README.md
index 250fb1c..0736e14 100644
--- a/README.md
+++ b/README.md
@@ -335,11 +335,16 @@ Related software
   Raspberry Pi done in a different way.
 - <https://github.com/ros-tooling/action-ros-ci> -- `github` action that covers
   some of `CCWS` functionality.
+- <https://github.com/ros-infrastructure/ros_buildfarm>,
+  <http://wiki.ros.org/buildfarm> -- the core of ROS packaging infrastructure.
+  Complicated, specialized on handling of individual packages rather than
+  workspaces, not suitable for quick field redeployments.
 
 
 TODO
 ====
 
+- Investigate generation of debug and development packages.
 - Reproducible builds <https://reproducible-builds.org/>.
 - Replace `ccache` with <https://github.com/mbitsnbites/buildcache>.
 - Integrate <https://github.com/oclint/oclint>
diff --git a/ccws/make/cross.mk b/ccws/make/cross.mk
index 9293f5a..f599f20 100644
--- a/ccws/make/cross.mk
+++ b/ccws/make/cross.mk
@@ -107,3 +107,6 @@ cross_purge:
 	${MAKE} cross_umount
 	${MAKE} wswraptarget TARGET=private_bp_${BUILD_PROFILE}_purge
 
+cross_python_soabi: assert_CCWS_SYSROOT_must_be_mounted
+	printf "from sysconfig import get_config_var\nprint(get_config_var('SOABI'))\n" \
+		| bash -c "${SETUP_SCRIPT}; sudo chroot \"\$${CCWS_SYSROOT}\" python3"
diff --git a/ccws/profiles/build/cross_raspberry_pi/setup.bash b/ccws/profiles/build/cross_raspberry_pi/setup.bash
index deee47a..0661428 100644
--- a/ccws/profiles/build/cross_raspberry_pi/setup.bash
+++ b/ccws/profiles/build/cross_raspberry_pi/setup.bash
@@ -19,6 +19,12 @@ CCWS_TRIPLE_ABI=gnueabihf
 source "$(dirname "${BASH_SOURCE[0]}")/../${1:-"common"}/setup.bash" "${@:2}" ""
 
 
+# https://docs.ros.org/en/eloquent/Tutorials/Cross-compilation.html
+# https://github.com/ros2/python_cmake_module/blob/humble/cmake/Modules/FindPythonExtra.cmake
+# https://github.com/ros2/rosidl_python/issues/111
+PYTHON_SOABI=cpython-310-${CCWS_TRIPLE}
+export PYTHON_SOABI
+
 ROS_OS_OVERRIDE=debian:10:buster
 export ROS_OS_OVERRIDE
 
diff --git a/ccws/profiles/build/cross_raspberry_pi/toolchain_body.cmake b/ccws/profiles/build/cross_raspberry_pi/toolchain_body.cmake
index 6e4dbb0..dd196bc 100644
--- a/ccws/profiles/build/cross_raspberry_pi/toolchain_body.cmake
+++ b/ccws/profiles/build/cross_raspberry_pi/toolchain_body.cmake
@@ -18,6 +18,7 @@ set(CMAKE_SYSTEM_NAME Linux CACHE STRING "" FORCE)
 set(CMAKE_SYSTEM_VERSION 1 CACHE STRING "" FORCE)
 set(CMAKE_SYSTEM_PROCESSOR "$ENV{CCWS_TRIPLE_ARCH}" CACHE STRING "" FORCE)
 set(CMAKE_LIBRARY_ARCHITECTURE "$ENV{CCWS_TRIPLE}" CACHE STRING "" FORCE)
+set(PYTHON_SOABI "$ENV{PYTHON_SOABI}" CACHE STRING "" FORCE)
 set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY CACHE STRING "" FORCE)
 set(CMAKE_TOOLCHAIN_FILE $ENV{CMAKE_TOOLCHAIN_FILE} CACHE STRING "" FORCE)
 
diff --git a/ccws/tests/test_cross.mk b/ccws/tests/test_cross.mk
index 08422bf..f80cfaf 100644
--- a/ccws/tests/test_cross.mk
+++ b/ccws/tests/test_cross.mk
@@ -13,6 +13,7 @@ test:
 	${MAKE} cross_purge
 	${MAKE} cross_unpack
 	${MAKE} cross_mount
+	${MAKE} cross_python_soabi
 	${MAKE} staticoma
 	${MAKE} wsclean
 	${MAKE} bp_install_build BUILD_PROFILE=deb