Not searching for unused variables given on the command line.
-- cmake version: 3.28.0
CMake Deprecation Warning at CMakeLists.txt:2 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- The C compiler identification is GNU 12.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /builder/shared-workdir/build/sdk/staging_dir/toolchain-aarch64_cortex-a53_gcc-12.3.0_musl/bin/aarch64-openwrt-linux-musl-gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Performing Test HAS_WPEDANTIC
-- Performing Test HAS_WPEDANTIC - Success
-- Looking for strdup
-- Looking for strdup - found
-- Looking for strndup
-- Looking for strndup - found
-- Looking for strerror_r
-- Looking for strerror_r - found
-- Looking for newlocale
-- Looking for newlocale - found
-- Looking for pthread_setname_np
-- Looking for pthread_setname_np - found
-- Looking for in6addr_any
-- Looking for in6addr_any - found
-- Looking for libusb-1.0 : Found
-- Found Git: /builder/shared-workdir/build/sdk/staging_dir/host/bin/git (found version "2.30.2") 
-- Looking for libserialport : Failed; building without serial
-- Building with Network back end support
-- Performing Test HAS_O_TMPFILE
-- Performing Test HAS_O_TMPFILE - Success
-- Performing Test WITH_NETWORK_EVENTFD
-- Performing Test WITH_NETWORK_EVENTFD - Success
-- Performing Test HAS_PIPE2
-- Performing Test HAS_PIPE2 - Success
-- Building with Avahi, a DNS SD implementation
-- Performing Test Iconv_IS_BUILT_IN
-- Performing Test Iconv_IS_BUILT_IN - Success
CMake Deprecation Warning at tests/CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


CMake Deprecation Warning at iiod/CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


-- Found BISON: /builder/shared-workdir/build/sdk/staging_dir/host/bin/bison (found version "3.8.2") 
-- Found FLEX: /builder/shared-workdir/build/sdk/staging_dir/host/bin/flex (found version "2.6.4") 
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of struct usb_functionfs_descs_head_v2
-- Check size of struct usb_functionfs_descs_head_v2 - done
-- Configuring done (6.4s)
-- Generating done (0.1s)
-- Build files have been written to: /builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21
ninja: Entering directory `/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21'
[1/44] Building C object CMakeFiles/iio.dir/backend.c.o
[2/44] Building C object CMakeFiles/iio.dir/channel.c.o
[3/44] Building C object CMakeFiles/iio.dir/device.c.o
[4/44] Building C object CMakeFiles/iio.dir/context.c.o
[5/44] Building C object CMakeFiles/iio.dir/buffer.c.o
[6/44] Building C object CMakeFiles/iio.dir/utilities.c.o
[7/44] Building C object CMakeFiles/iio.dir/scan.c.o
[8/44] Building C object CMakeFiles/iio.dir/sort.c.o
[9/44] Building C object CMakeFiles/iio.dir/local.c.o
[10/44] Building C object CMakeFiles/iio.dir/network.c.o
[11/44] Building C object CMakeFiles/iio.dir/dns_sd_avahi.c.o
[12/44] Building C object CMakeFiles/iio.dir/dns_sd.c.o
[13/44] Building C object CMakeFiles/iio.dir/xml.c.o
FAILED: CMakeFiles/iio.dir/xml.c.o 
/builder/shared-workdir/build/sdk/staging_dir/toolchain-aarch64_cortex-a53_gcc-12.3.0_musl/bin/aarch64-openwrt-linux-musl-gcc -DLIBIIO_EXPORTS=1 -D_GNU_SOURCE=1 -D_POSIX_C_SOURCE=200809L -D__XSI_VISIBLE=500 -Diio_EXPORTS -I/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21 -I/builder/shared-workdir/build/sdk/staging_dir/target-aarch64_cortex-a53_musl/usr/include/libxml2 -Os -pipe -mcpu=cortex-a53 -fno-caller-saves -fno-plt -fhonour-copts -ffile-prefix-map=/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21=libiio-0.21 -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1 -Wl,-z,now -Wl,-z,relro -fvisibility=hidden -Wall -Wextra -Wno-unused-parameter -Wpedantic -DNDEBUG -std=c99 -fPIC -MD -MT CMakeFiles/iio.dir/xml.c.o -MF CMakeFiles/iio.dir/xml.c.o.d -o CMakeFiles/iio.dir/xml.c.o -c /builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c: In function 'encode_xml_ndup':
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c:31:23: warning: implicit declaration of function 'xmlEncodeEntitiesReentrant' [-Wimplicit-function-declaration]
   31 |         out = (char *)xmlEncodeEntitiesReentrant(NULL, (const xmlChar *)input);
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c:31:15: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
   31 |         out = (char *)xmlEncodeEntitiesReentrant(NULL, (const xmlChar *)input);
      |               ^
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c: In function 'xml_create_context':
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c:468:15: warning: implicit declaration of function 'xmlReadFile' [-Wimplicit-function-declaration]
  468 |         doc = xmlReadFile(xml_file, NULL, XML_PARSE_DTDVALID);
      |               ^~~~~~~~~~~
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c:468:43: error: 'XML_PARSE_DTDVALID' undeclared (first use in this function); did you mean 'XML_DOC_DTDVALID'?
  468 |         doc = xmlReadFile(xml_file, NULL, XML_PARSE_DTDVALID);
      |                                           ^~~~~~~~~~~~~~~~~~
      |                                           XML_DOC_DTDVALID
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c:468:43: note: each undeclared identifier is reported only once for each function it appears in
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c: In function 'xml_create_context_mem':
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c:487:15: warning: implicit declaration of function 'xmlReadMemory'; did you mean 'xmlInitMemory'? [-Wimplicit-function-declaration]
  487 |         doc = xmlReadMemory(xml, (int) len, NULL, NULL, XML_PARSE_DTDVALID);
      |               ^~~~~~~~~~~~~
      |               xmlInitMemory
/builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/xml.c:487:57: error: 'XML_PARSE_DTDVALID' undeclared (first use in this function); did you mean 'XML_DOC_DTDVALID'?
  487 |         doc = xmlReadMemory(xml, (int) len, NULL, NULL, XML_PARSE_DTDVALID);
      |                                                         ^~~~~~~~~~~~~~~~~~
      |                                                         XML_DOC_DTDVALID
ninja: build stopped: subcommand failed.
make[3]: *** [Makefile:153: /builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a53_musl/libiio-0.21/.built] Error 1
time: package/feeds/packages/libiio/compile#8.24#2.97#15.03