@@ -5,18 +5,22 @@
#
# Not all platforms are supported by Qemu. Using qemu-user therefore
# involves a certain risk, which is also the reason why this feature
-# is not activated by default.
+# is not part of the main cmake class by default.
+#
+# One use case is the execution of cross-compiled unit tests with CTest
+# on the build machine. If CMAKE_EXEWRAPPER_ENABLED is configured,
+# cmake --build --target test
+# works transparently with qemu-user. If the cmake project is developed
+# with this use case in mind this works very nicely also out of an IDE
+# configured to use cmake-native for cross compiling.
-inherit qemu
+inherit qemu cmake
-CMAKE_EXEWRAPPER_ENABLED:class-native = "False"
-CMAKE_EXEWRAPPER_ENABLED:class-nativesdk = "False"
-CMAKE_EXEWRAPPER_ENABLED ?= "${@bb.utils.contains('MACHINE_FEATURES', 'qemu-usermode', 'True', 'False', d)}"
-DEPENDS:append = "${@' qemu-native' if d.getVar('CMAKE_EXEWRAPPER_ENABLED') == 'True' else ''}"
+DEPENDS:append:class-target = "${@' qemu-native' if bb.utils.contains('MACHINE_FEATURES', 'qemu-usermode', True, False, d) else ''}"
cmake_do_generate_toolchain_file:append:class-target() {
- if [ "${CMAKE_EXEWRAPPER_ENABLED}" = "True" ]; then
- # Write out a qemu wrapper that will be used as exe_wrapper so that camake
+ if [ "${@bb.utils.contains('MACHINE_FEATURES', 'qemu-usermode', 'True', 'False', d)}" ]; then
+ # Write out a qemu wrapper that will be used as exe_wrapper so that cmake
# can run target helper binaries through that. This also allows to execute ctest.
qemu_binary="${@qemu_wrapper_cmdline(d, '${STAGING_DIR_HOST}', ['${STAGING_DIR_HOST}/${libdir}','${STAGING_DIR_HOST}/${base_libdir}'])}"
echo "#!/bin/sh" > "${WORKDIR}/cmake-qemuwrapper"
Make the cmake-qemu.bbclass more usable: - Drop the CMAKE_EXEWRAPPER_ENABLED variable (which does not make much sense without the second commit of the original patch series). - Inherit qemu to make the cmake-qemu a drop in replacement for cmake. Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com> --- meta/classes-recipe/cmake-qemu.bbclass | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-)