Applying ./patches/001-no-help-po-tests.patch using plaintext: 
patching file meson.build
DEPRECATION: The [paths] section is deprecated, use the [built-in options] section instead.
DEPRECATION: The [paths] section is deprecated, use the [built-in options] section instead.
Using 'PKG_CONFIG_PATH' from environment with value: '/builder/shared-workdir/build/sdk/staging_dir/target-arm_cortex-a9+neon_musl_eabi/usr/lib/pkgconfig:/builder/shared-workdir/build/sdk/staging_dir/target-arm_cortex-a9+neon_musl_eabi/usr/share/pkgconfig'
The Meson build system
Version: 0.56.0
Source dir: /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a9+neon_musl_eabi/grilo-plugins-0.3.12
Build dir: /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a9+neon_musl_eabi/grilo-plugins-0.3.12/openwrt-build
Build type: cross build
WARNING: Unknown options: "build.c_args, build.c_link_args, build.cpp_args, build.cpp_link_args, enable_gravatar, enable_jamendo, enable_opensubtitles"
The value of new options can be set with:
meson setup <builddir> --reconfigure -Dnew_option=new_value ...
Project name: grilo-plugins
Project version: 0.3.12
Using 'CFLAGS' from environment with value: ''
Using 'LDFLAGS' from environment with value: ''
C compiler for the host machine: arm-openwrt-linux-muslgnueabi-gcc (gcc 8.4.0 "arm-openwrt-linux-muslgnueabi-gcc (OpenWrt GCC 8.4.0 r16594-ce92de8c8c) 8.4.0")
C linker for the host machine: arm-openwrt-linux-muslgnueabi-gcc ld.bfd 2.34
C compiler for the build machine: gcc (gcc 8.3.0 "gcc (Debian 8.3.0-6) 8.3.0")
C linker for the build machine: gcc ld.bfd 2.31.1
Build machine cpu family: x86_64
Build machine cpu: x86_64
Host machine cpu family: x86_64
Host machine cpu: x86_64
Target machine cpu family: arm
Target machine cpu: generic
Found pkg-config: /builder/shared-workdir/build/sdk/staging_dir/host/bin/pkg-config (1.7.3)
Using 'PKG_CONFIG_PATH' from environment with value: '/builder/shared-workdir/build/sdk/staging_dir/target-arm_cortex-a9+neon_musl_eabi/usr/lib/pkgconfig:/builder/shared-workdir/build/sdk/staging_dir/target-arm_cortex-a9+neon_musl_eabi/usr/share/pkgconfig'
Run-time dependency glib-2.0 found: YES 2.66.4
Using 'PKG_CONFIG_PATH' from environment with value: '/builder/shared-workdir/build/sdk/staging_dir/target-arm_cortex-a9+neon_musl_eabi/usr/lib/pkgconfig:/builder/shared-workdir/build/sdk/staging_dir/target-arm_cortex-a9+neon_musl_eabi/usr/share/pkgconfig'
Run-time dependency gmodule-2.0 found: YES 2.66.4
Using 'PKG_CONFIG_PATH' from environment with value: '/builder/shared-workdir/build/sdk/staging_dir/target-arm_cortex-a9+neon_musl_eabi/usr/lib/pkgconfig:/builder/shared-workdir/build/sdk/staging_dir/target-arm_cortex-a9+neon_musl_eabi/usr/share/pkgconfig'
Run-time dependency gobject-2.0 found: YES 2.66.4
Found CMake: /builder/shared-workdir/build/sdk/staging_dir/host/bin/cmake (3.19.1)
Run-time dependency grilo-0.3 found: NO (tried pkgconfig and cmake)
Looking for a fallback subproject for the dependency grilo-0.3

../../../../build_dir/target-arm_cortex-a9+neon_musl_eabi/grilo-plugins-0.3.12/meson.build:37:0: ERROR: Automatic wrap-based subproject downloading is disabled

A full log can be found at /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a9+neon_musl_eabi/grilo-plugins-0.3.12/openwrt-build/meson-logs/meson-log.txt
make[3]: *** [Makefile:104: /builder/shared-workdir/build/sdk/build_dir/target-arm_cortex-a9+neon_musl_eabi/grilo-plugins-0.3.12/.configured_a17fb5ef857664f03cd0ce37cc5ea591] Error 1
time: package/feeds/packages/grilo-plugins/compile#1.63#0.49#2.59