Applying /builder/shared-workdir/build/sdk/feeds/packages/libs/libpng/patches/100-config_fix.patch using plaintext: 
patching file scripts/libpng-config-body.in

Applying /builder/shared-workdir/build/sdk/feeds/packages/libs/libpng/patches/200-ccache.patch using plaintext: 
patching file scripts/cmake/genout.cmake.in
Not searching for unused variables given on the command line.
-- The C compiler identification is GNU 13.3.0
-- The ASM compiler identification is GNU
-- Found assembler: /builder/shared-workdir/build/sdk/staging_dir/toolchain-loongarch64_generic_gcc-13.3.0_musl/bin/loongarch64-openwrt-linux-musl-gcc
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /builder/shared-workdir/build/sdk/staging_dir/toolchain-loongarch64_generic_gcc-13.3.0_musl/bin/loongarch64-openwrt-linux-musl-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Checking for one of the modules 'zlib'
-- Found ZLIB: /builder/shared-workdir/build/sdk/staging_dir/target-loongarch64_generic_musl/usr/lib/libz.so (found version "1.3.1")
-- Performing Test COMPILER_SUPPORTS_LSX
-- Performing Test COMPILER_SUPPORTS_LSX - Failed
CMake Error at CMakeLists.txt:282 (message):
  Compiler does not support -mlsx option


-- Configuring incomplete, errors occurred!
make[3]: *** [Makefile:67: /builder/shared-workdir/build/sdk/build_dir/target-loongarch64_generic_musl/libpng-1.6.43/.configured_68b329da9893e34099c7d8ad5cb9c940] Error 1
time: package/feeds/packages/libpng/compile#0.85#0.47#1.40