On 10 Dec 2024, at 00:51, Joel Winarske via lists.yoctoproject.org
<joel.winarske=gmail....@lists.yoctoproject.org> wrote:
>
> Building on scarthgap I'm seeing a problem using meson.
>
> meson snippet:
> ```
> lvgl_opt_var = cmake.subproject_options()
> lvgl_c_flags = '-DEGL_NO_X11 -DLV_CONF_PATH=' + meson.current_source_dir() +
> '/lv_conf.h'
> lvgl_cxx_flags = '-DEGL_NO_X11 -DLV_CONF_PATH=' + meson.current_source_dir()
> + '/lv_conf.h'
> lvgl_opt_var.add_cmake_defines(
> {
> 'CMAKE_VERBOSE_MAKEFILE' : true,
> 'CMAKE_C_FLAGS' : lvgl_c_flags,
> 'CMAKE_CXX_FLAGS' : lvgl_cxx_flags })
> ```
>
> Build Error:
> ```
> | In file included from ../git/subprojects/lvgl/src/core/lv_group.h:16,
> | from
> ../git/subprojects/lvgl/src/core/lv_group_private.h:17,
> | from ../git/subprojects/lvgl/src/core/lv_group.c:9:
> | ../git/subprojects/lvgl/src/core/../lv_conf_internal.h:54:42: fatal error:
> /mnt/raid10/yocto/scarthgap/up2u/tmp/work/corei7-64-poky-1/libdrmpp/git/git/examples/lvgl/lv_conf.h:
> No such file or directory
> | 54 | #include __LV_TO_STR(LV_CONF_PATH)
> | | ^
> | compilation terminated.
> ```
>
> Observations:
> ```
> $ ls -la
> /mnt/raid10/yocto/scarthgap/up2u/tmp/work/corei7-64-poky-1/libdrmpp/git/git/examples/lvgl/lv_conf.h
> ls: cannot access
> '/mnt/raid10/yocto/scarthgap/up2u/tmp/work/corei7-64-poky-1/libdrmpp/git/git/examples/lvgl/lv_conf.h':
> No such file or directory
> ```
>
> ```
> $ ls -la
> /mnt/raid10/yocto/scarthgap/up2u/tmp/work/corei7-64-poky-linux/libdrmpp/git/git/examples/lvgl/lv_conf.h
>
> -rw-r--r--. 1 joel joel 36431 Dec 9 16:39
> /mnt/raid10/yocto/scarthgap/up2u/tmp/work/corei7-64-poky-linux/libdrmpp/git/git/examples/lvgl/lv_conf.h
> ```
>
> The same meson snippet works correctly on desktop
>
> Why does `meson.current_source_dir()` in Yocto build return an incorrect path?
Can you replicate this with a minimal (like, just
message(meson.current_source_dir())) meson file?
Ross
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