diff --git a/README.md b/README.md
index 18ee932..a4072d4 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Cross compiling toolchains in Docker images.
 - Most images also contain an emulator for the target system.
 - Clean separation of build tools, source code, and build artifacts.
 - Commands in the container are run as the calling user, so that any created files have the expected ownership, (i.e. not root).
-- Make variables **CC**, **CXX**, **LD**, **AS** etc) are set to point to the appropriate tools in the container.
+- Make variables (**CC**, **CXX**, **LD**, **AS** etc) are set to point to the appropriate tools in the container.
 - Recent [CMake](https://cmake.org) and ninja are precompiled.
 - [Meson](https://mesonbuild.com) is pre-installed.
 - [Conan.io](https://www.conan.io) can be used as a package manager.
diff --git a/linux-arm64/Dockerfile.in b/linux-arm64/Dockerfile.in
index 5e7ab4f..bcf22f1 100644
--- a/linux-arm64/Dockerfile.in
+++ b/linux-arm64/Dockerfile.in
@@ -5,8 +5,8 @@ LABEL maintainer="Matt McCormick matt.mccormick@kitware.com"
 
 # This is for 64-bit ARM Linux machine
 
-# Crosstool-ng version 2022-05-19
-ENV CT_VERSION crosstool-ng-1.25.0
+# Crosstool-ng version 2024-05-04
+ENV CT_VERSION crosstool-ng-1.26.0
 
 #include "common.crosstool"
 
diff --git a/linux-arm64/crosstool-ng.config b/linux-arm64/crosstool-ng.config
index 47bbaff..f464f0e 100644
--- a/linux-arm64/crosstool-ng.config
+++ b/linux-arm64/crosstool-ng.config
@@ -1,16 +1,16 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# crosstool-NG 1.25.0.26_db6f703 Configuration
+# crosstool-NG 1.26.0 Configuration
 #
 CT_CONFIGURE_has_static_link=y
 CT_CONFIGURE_has_cxx11=y
 CT_CONFIGURE_has_wget=y
 CT_CONFIGURE_has_curl=y
-CT_CONFIGURE_has_meson=y
 CT_CONFIGURE_has_ninja=y
 CT_CONFIGURE_has_rsync=y
 CT_CONFIGURE_has_make_3_81_or_newer=y
 CT_CONFIGURE_has_make_4_0_or_newer=y
+CT_CONFIGURE_has_make_4_4_or_newer=y
 CT_CONFIGURE_has_libtool_2_4_or_newer=y
 CT_CONFIGURE_has_libtoolize_2_4_or_newer=y
 CT_CONFIGURE_has_autoconf_2_65_or_newer=y
@@ -19,15 +19,15 @@ CT_CONFIGURE_has_automake_1_15_or_newer=y
 CT_CONFIGURE_has_gnu_m4_1_4_12_or_newer=y
 CT_CONFIGURE_has_python_3_4_or_newer=y
 CT_CONFIGURE_has_bison_2_7_or_newer=y
+CT_CONFIGURE_has_bison_3_0_4_or_newer=y
 CT_CONFIGURE_has_python=y
-CT_CONFIGURE_has_dtc=y
 CT_CONFIGURE_has_git=y
 CT_CONFIGURE_has_md5sum=y
 CT_CONFIGURE_has_sha1sum=y
 CT_CONFIGURE_has_sha256sum=y
 CT_CONFIGURE_has_sha512sum=y
 CT_CONFIGURE_has_install_with_strip_program=y
-CT_VERSION="1.25.0.26_db6f703"
+CT_VERSION="1.26.0"
 CT_VCHECK=""
 CT_CONFIG_VERSION_ENV="4"
 CT_CONFIG_VERSION_CURRENT="4"
@@ -71,7 +71,7 @@ CT_DOWNLOAD_AGENT_WGET=y
 # CT_FORBID_DOWNLOAD is not set
 # CT_FORCE_DOWNLOAD is not set
 CT_CONNECT_TIMEOUT=10
-CT_DOWNLOAD_WGET_OPTIONS="--passive-ftp --tries=3 -nc --progress=dot:binary"
+CT_DOWNLOAD_WGET_OPTIONS="--passive-ftp --tries=5 -nc --progress=dot:binary"
 # CT_ONLY_DOWNLOAD is not set
 # CT_USE_MIRROR is not set
 CT_VERIFY_DOWNLOAD_DIGEST=y
@@ -132,6 +132,7 @@ CT_LOG_FILE_COMPRESS=y
 # CT_ARCH_ARC is not set
 CT_ARCH_ARM=y
 # CT_ARCH_AVR is not set
+# CT_ARCH_BPF is not set
 # CT_ARCH_M68K is not set
 # CT_ARCH_MIPS is not set
 # CT_ARCH_NIOS2 is not set
@@ -145,14 +146,14 @@ CT_ARCH_ARM=y
 CT_ARCH="arm"
 CT_ARCH_CHOICE_KSYM="ARM"
 CT_ARCH_CPU=""
-CT_ARCH_TUNE=""
+CT_ARCH_TUNE="cortex-a72"
 CT_ARCH_ARM_SHOW=y
 
 #
 # Options for arm
 #
 CT_ARCH_ARM_PKG_KSYM=""
-CT_ALL_ARCH_CHOICES="ALPHA ARC ARM AVR C6X M68K MICROBLAZE MIPS MOXIE MSP430 NIOS2 POWERPC PRU RISCV S390 SH SPARC X86 XTENSA"
+CT_ALL_ARCH_CHOICES="ALPHA ARC ARM AVR BPF C6X LOONGARCH M68K MICROBLAZE MIPS MOXIE MSP430 NIOS2 POWERPC PRU RISCV S390 SH SPARC X86 XTENSA"
 CT_ARCH_SUFFIX=""
 # CT_OMIT_TARGET_VENDOR is not set
 
@@ -165,6 +166,7 @@ CT_ARCH_SUPPORTS_BOTH_MMU=y
 CT_ARCH_DEFAULT_HAS_MMU=y
 CT_ARCH_USE_MMU=y
 CT_ARCH_SUPPORTS_FLAT_FORMAT=y
+CT_ARCH_SUPPORTS_LIBSANITIZER=y
 CT_ARCH_SUPPORTS_EITHER_ENDIAN=y
 CT_ARCH_DEFAULT_LE=y
 # CT_ARCH_BE is not set
@@ -256,10 +258,17 @@ CT_LINUX_PKG_NAME="linux"
 CT_LINUX_SRC_RELEASE=y
 # CT_LINUX_SRC_DEVEL is not set
 CT_LINUX_PATCH_ORDER="global"
+# CT_LINUX_V_6_4 is not set
+# CT_LINUX_V_6_3 is not set
+# CT_LINUX_V_6_2 is not set
+CT_LINUX_V_6_1=y
+# CT_LINUX_V_6_0 is not set
+# CT_LINUX_V_5_19 is not set
+# CT_LINUX_V_5_18 is not set
 # CT_LINUX_V_5_17 is not set
 # CT_LINUX_V_5_16 is not set
 # CT_LINUX_V_5_15 is not set
-CT_LINUX_V_5_14=y
+# CT_LINUX_V_5_14 is not set
 # CT_LINUX_V_5_13 is not set
 # CT_LINUX_V_5_12 is not set
 # CT_LINUX_V_5_11 is not set
@@ -290,12 +299,14 @@ CT_LINUX_V_5_14=y
 # CT_LINUX_V_3_13 is not set
 # CT_LINUX_V_3_12 is not set
 # CT_LINUX_V_3_10 is not set
-CT_LINUX_VERSION="5.14.18"
+CT_LINUX_VERSION="6.1.35"
 CT_LINUX_MIRRORS="$(CT_Mirrors kernel.org linux ${CT_LINUX_VERSION})"
 CT_LINUX_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_LINUX_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_LINUX_ARCHIVE_FORMATS=".tar.xz .tar.gz"
 CT_LINUX_SIGNATURE_FORMAT="unpacked/.sign"
+CT_LINUX_later_than_5_19=y
+CT_LINUX_5_19_or_later=y
 CT_LINUX_later_than_5_12=y
 CT_LINUX_5_12_or_later=y
 CT_LINUX_later_than_5_5=y
@@ -344,8 +355,10 @@ CT_BINUTILS_PKG_NAME="binutils"
 CT_BINUTILS_SRC_RELEASE=y
 # CT_BINUTILS_SRC_DEVEL is not set
 CT_BINUTILS_PATCH_ORDER="global"
+CT_BINUTILS_V_2_40=y
+# CT_BINUTILS_V_2_39 is not set
 # CT_BINUTILS_V_2_38 is not set
-CT_BINUTILS_V_2_37=y
+# CT_BINUTILS_V_2_37 is not set
 # CT_BINUTILS_V_2_36 is not set
 # CT_BINUTILS_V_2_35 is not set
 # CT_BINUTILS_V_2_34 is not set
@@ -357,12 +370,14 @@ CT_BINUTILS_V_2_37=y
 # CT_BINUTILS_V_2_28 is not set
 # CT_BINUTILS_V_2_27 is not set
 # CT_BINUTILS_V_2_26 is not set
-CT_BINUTILS_VERSION="2.37"
+CT_BINUTILS_VERSION="2.40"
 CT_BINUTILS_MIRRORS="$(CT_Mirrors GNU binutils) $(CT_Mirrors sourceware binutils/releases)"
 CT_BINUTILS_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_BINUTILS_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_BINUTILS_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz"
 CT_BINUTILS_SIGNATURE_FORMAT="packed/.sig"
+CT_BINUTILS_later_than_2_39=y
+CT_BINUTILS_2_39_or_later=y
 CT_BINUTILS_later_than_2_30=y
 CT_BINUTILS_2_30_or_later=y
 CT_BINUTILS_later_than_2_27=y
@@ -413,8 +428,11 @@ CT_GLIBC_PKG_NAME="glibc"
 CT_GLIBC_SRC_RELEASE=y
 # CT_GLIBC_SRC_DEVEL is not set
 CT_GLIBC_PATCH_ORDER="global"
+# CT_GLIBC_V_2_38 is not set
+# CT_GLIBC_V_2_37 is not set
+CT_GLIBC_V_2_36=y
 # CT_GLIBC_V_2_35 is not set
-CT_GLIBC_V_2_34=y
+# CT_GLIBC_V_2_34 is not set
 # CT_GLIBC_V_2_33 is not set
 # CT_GLIBC_V_2_32 is not set
 # CT_GLIBC_V_2_31 is not set
@@ -428,14 +446,20 @@ CT_GLIBC_V_2_34=y
 # CT_GLIBC_V_2_23 is not set
 # CT_GLIBC_V_2_19 is not set
 # CT_GLIBC_V_2_17 is not set
-CT_GLIBC_VERSION="2.34"
+CT_GLIBC_VERSION="2.36"
 CT_GLIBC_MIRRORS="$(CT_Mirrors GNU glibc)"
 CT_GLIBC_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_GLIBC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_GLIBC_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz"
 CT_GLIBC_SIGNATURE_FORMAT="packed/.sig"
+CT_GLIBC_2_38_or_older=y
+CT_GLIBC_older_than_2_38=y
+CT_GLIBC_2_37_or_older=y
+CT_GLIBC_older_than_2_37=y
+CT_GLIBC_2_36_or_later=y
+CT_GLIBC_2_36_or_older=y
+CT_GLIBC_later_than_2_34=y
 CT_GLIBC_2_34_or_later=y
-CT_GLIBC_2_34_or_older=y
 CT_GLIBC_later_than_2_32=y
 CT_GLIBC_2_32_or_later=y
 CT_GLIBC_later_than_2_31=y
@@ -469,28 +493,27 @@ CT_GLIBC_DEP_PYTHON=y
 CT_THREADS="nptl"
 CT_GLIBC_BUILD_SSP=y
 CT_GLIBC_HAS_LIBIDN_ADDON=y
-# CT_GLIBC_USE_LIBIDN_ADDON is not set
+CT_GLIBC_USE_LIBIDN_ADDON=y
 CT_GLIBC_NO_SPARC_V8=y
 CT_GLIBC_EXTRA_CONFIG_ARRAY=""
 CT_GLIBC_CONFIGPARMS=""
+CT_GLIBC_ENABLE_DEBUG=y
 CT_GLIBC_EXTRA_CFLAGS=""
 # CT_GLIBC_DISABLE_VERSIONING is not set
 CT_GLIBC_OLDEST_ABI=""
 CT_GLIBC_FORCE_UNWIND=y
 # CT_GLIBC_LOCALES is not set
 # CT_GLIBC_KERNEL_VERSION_NONE is not set
-# CT_GLIBC_KERNEL_VERSION_AS_HEADERS is not set
-CT_GLIBC_KERNEL_VERSION_CHOSEN=y
-CT_GLIBC_MIN_KERNEL_VERSION="5.4.0"
-CT_GLIBC_MIN_KERNEL="5.4.0"
+CT_GLIBC_KERNEL_VERSION_AS_HEADERS=y
+# CT_GLIBC_KERNEL_VERSION_CHOSEN is not set
+CT_GLIBC_MIN_KERNEL="6.1.35"
 CT_GLIBC_SSP_DEFAULT=y
 # CT_GLIBC_SSP_NO is not set
 # CT_GLIBC_SSP_YES is not set
 # CT_GLIBC_SSP_ALL is not set
 # CT_GLIBC_SSP_STRONG is not set
-# CT_GLIBC_ENABLE_WERROR is not set
 # CT_GLIBC_ENABLE_COMMON_FLAG is not set
-CT_ALL_LIBC_CHOICES="AVR_LIBC GLIBC MINGW_W64 MOXIEBOX MUSL NEWLIB NONE UCLIBC_NG"
+CT_ALL_LIBC_CHOICES="AVR_LIBC GLIBC MINGW_W64 MOXIEBOX MUSL NEWLIB NONE PICOLIBC UCLIBC_NG"
 CT_LIBC_SUPPORT_THREADS_ANY=y
 CT_LIBC_SUPPORT_THREADS_NATIVE=y
 
@@ -509,6 +532,8 @@ CT_CC_CORE_NEEDED=y
 CT_CC_SUPPORT_CXX=y
 CT_CC_SUPPORT_FORTRAN=y
 CT_CC_SUPPORT_ADA=y
+CT_CC_SUPPORT_D=y
+CT_CC_SUPPORT_JIT=y
 CT_CC_SUPPORT_OBJC=y
 CT_CC_SUPPORT_OBJCXX=y
 CT_CC_SUPPORT_GOLANG=y
@@ -523,26 +548,30 @@ CT_CC_GCC_SHOW=y
 CT_CC_GCC_PKG_KSYM="GCC"
 CT_GCC_DIR_NAME="gcc"
 CT_GCC_USE_GNU=y
+# CT_GCC_USE_ORACLE is not set
 CT_GCC_USE="GCC"
 CT_GCC_PKG_NAME="gcc"
 CT_GCC_SRC_RELEASE=y
 # CT_GCC_SRC_DEVEL is not set
 CT_GCC_PATCH_ORDER="global"
+CT_GCC_V_13=y
 # CT_GCC_V_12 is not set
-CT_GCC_V_11=y
+# CT_GCC_V_11 is not set
 # CT_GCC_V_10 is not set
 # CT_GCC_V_9 is not set
 # CT_GCC_V_8 is not set
 # CT_GCC_V_7 is not set
 # CT_GCC_V_6 is not set
-CT_GCC_VERSION="11.3.0"
+CT_GCC_VERSION="13.2.0"
 CT_GCC_MIRRORS="$(CT_Mirrors GNU gcc/gcc-${CT_GCC_VERSION}) $(CT_Mirrors sourceware gcc/releases/gcc-${CT_GCC_VERSION})"
 CT_GCC_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_GCC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_GCC_ARCHIVE_FORMATS=".tar.xz .tar.gz"
 CT_GCC_SIGNATURE_FORMAT=""
-CT_GCC_12_or_older=y
-CT_GCC_older_than_12=y
+CT_GCC_later_than_13=y
+CT_GCC_13_or_later=y
+CT_GCC_later_than_12=y
+CT_GCC_12_or_later=y
 CT_GCC_later_than_11=y
 CT_GCC_11_or_later=y
 CT_GCC_later_than_10=y
@@ -582,12 +611,14 @@ CT_CC_GCC_LTO_ZSTD=m
 #
 # Settings for libraries running on target
 #
+# CT_CC_GCC_ENABLE_DEFAULT_PIE is not set
 CT_CC_GCC_ENABLE_TARGET_OPTSPACE=y
 CT_CC_GCC_LIBMUDFLAP=y
 CT_CC_GCC_LIBGOMP=y
 CT_CC_GCC_LIBSSP=m
-CT_CC_GCC_LIBQUADMATH=y
-CT_CC_GCC_LIBSANITIZER=y
+# CT_CC_GCC_LIBQUADMATH is not set
+# CT_CC_GCC_LIBSANITIZER is not set
+CT_CC_GCC_LIBSTDCXX_VERBOSE=m
 
 #
 # Misc. obscure options.
@@ -597,7 +628,7 @@ CT_CC_GCC_TM_CLONE_REGISTRY=m
 # CT_CC_GCC_DISABLE_PCH is not set
 CT_CC_GCC_SJLJ_EXCEPTIONS=m
 CT_CC_GCC_LDBL_128=m
-CT_CC_GCC_BUILD_ID=y
+# CT_CC_GCC_BUILD_ID is not set
 CT_CC_GCC_LNK_HASH_STYLE_DEFAULT=y
 # CT_CC_GCC_LNK_HASH_STYLE_SYSV is not set
 # CT_CC_GCC_LNK_HASH_STYLE_GNU is not set
@@ -614,7 +645,7 @@ CT_ALL_CC_CHOICES="GCC"
 # Additional supported languages:
 #
 CT_CC_LANG_CXX=y
-CT_CC_LANG_FORTRAN=y
+# CT_CC_LANG_FORTRAN is not set
 # end of C compiler
 
 #
@@ -628,17 +659,20 @@ CT_GDB_PKG_NAME="gdb"
 CT_GDB_SRC_RELEASE=y
 # CT_GDB_SRC_DEVEL is not set
 CT_GDB_PATCH_ORDER="global"
-CT_GDB_V_12=y
+CT_GDB_V_13=y
+# CT_GDB_V_12 is not set
 # CT_GDB_V_11 is not set
 # CT_GDB_V_10 is not set
 # CT_GDB_V_9 is not set
 # CT_GDB_V_8_3 is not set
-CT_GDB_VERSION="12.1"
+CT_GDB_VERSION="13.2"
 CT_GDB_MIRRORS="$(CT_Mirrors GNU gdb) $(CT_Mirrors sourceware gdb/releases)"
 CT_GDB_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_GDB_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_GDB_ARCHIVE_FORMATS=".tar.xz .tar.gz"
 CT_GDB_SIGNATURE_FORMAT=""
+CT_GDB_later_than_13=y
+CT_GDB_13_or_later=y
 CT_GDB_later_than_12=y
 CT_GDB_12_or_later=y
 CT_GDB_later_than_11=y
@@ -650,7 +684,8 @@ CT_GDB_8_3_or_later=y
 CT_GDB_CROSS=y
 # CT_GDB_CROSS_STATIC is not set
 # CT_GDB_CROSS_SIM is not set
-# CT_GDB_CROSS_PYTHON is not set
+CT_GDB_CROSS_PYTHON=y
+CT_GDB_CROSS_PYTHON_BINARY=""
 CT_GDB_CROSS_EXTRA_CONFIG_ARRAY=""
 # CT_GDB_NATIVE is not set
 CT_GDB_GDBSERVER=y
@@ -658,7 +693,20 @@ CT_GDB_GDBSERVER=y
 # CT_GDB_NATIVE_STATIC_LIBSTDCXX is not set
 CT_GDB_GDBSERVER_TOPLEVEL=y
 # CT_DEBUG_LTRACE is not set
-# CT_DEBUG_STRACE is not set
+CT_DEBUG_STRACE=y
+CT_DEBUG_STRACE_PKG_KSYM="STRACE"
+CT_STRACE_DIR_NAME="strace"
+CT_STRACE_PKG_NAME="strace"
+CT_STRACE_SRC_RELEASE=y
+# CT_STRACE_SRC_DEVEL is not set
+CT_STRACE_PATCH_ORDER="global"
+CT_STRACE_V_6_4=y
+CT_STRACE_VERSION="6.4"
+CT_STRACE_MIRRORS="https://strace.io/files/${CT_STRACE_VERSION} https://github.com/strace/strace/releases/download/v${CT_STRACE_VERSION}"
+CT_STRACE_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
+CT_STRACE_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
+CT_STRACE_ARCHIVE_FORMATS=".tar.xz"
+CT_STRACE_SIGNATURE_FORMAT=""
 CT_ALL_DEBUG_CHOICES="DUMA GDB LTRACE STRACE"
 # end of Debug facilities
 
@@ -666,20 +714,7 @@ CT_ALL_DEBUG_CHOICES="DUMA GDB LTRACE STRACE"
 # Companion libraries
 #
 # CT_COMPLIBS_CHECK is not set
-CT_COMP_LIBS_CLOOG=y
-CT_COMP_LIBS_CLOOG_PKG_KSYM="CLOOG"
-CT_CLOOG_DIR_NAME="cloog"
-CT_CLOOG_PKG_NAME="cloog"
-CT_CLOOG_SRC_RELEASE=y
-# CT_CLOOG_SRC_DEVEL is not set
-CT_CLOOG_PATCH_ORDER="global"
-CT_CLOOG_V_0_18_4=y
-CT_CLOOG_VERSION="0.18.4"
-CT_CLOOG_MIRRORS="http://www.bastoul.net/cloog/pages/download"
-CT_CLOOG_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
-CT_CLOOG_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
-CT_CLOOG_ARCHIVE_FORMATS=".tar.gz"
-CT_CLOOG_SIGNATURE_FORMAT=""
+# CT_COMP_LIBS_CLOOG is not set
 CT_COMP_LIBS_EXPAT=y
 CT_COMP_LIBS_EXPAT_PKG_KSYM="EXPAT"
 CT_EXPAT_DIR_NAME="expat"
@@ -687,8 +722,8 @@ CT_EXPAT_PKG_NAME="expat"
 CT_EXPAT_SRC_RELEASE=y
 # CT_EXPAT_SRC_DEVEL is not set
 CT_EXPAT_PATCH_ORDER="global"
-CT_EXPAT_V_2_4=y
-CT_EXPAT_VERSION="2.4.1"
+CT_EXPAT_V_2_5=y
+CT_EXPAT_VERSION="2.5.0"
 CT_EXPAT_MIRRORS="http://downloads.sourceforge.net/project/expat/expat/${CT_EXPAT_VERSION} https://github.com/libexpat/libexpat/releases/download/R_${CT_EXPAT_VERSION//./_}"
 CT_EXPAT_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_EXPAT_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
@@ -701,17 +736,30 @@ CT_GETTEXT_PKG_NAME="gettext"
 CT_GETTEXT_SRC_RELEASE=y
 # CT_GETTEXT_SRC_DEVEL is not set
 CT_GETTEXT_PATCH_ORDER="global"
-# CT_GETTEXT_V_0_21 is not set
-CT_GETTEXT_V_0_20_1=y
+CT_GETTEXT_V_0_21=y
+# CT_GETTEXT_V_0_20_1 is not set
 # CT_GETTEXT_V_0_19_8_1 is not set
-CT_GETTEXT_VERSION="0.20.1"
+CT_GETTEXT_VERSION="0.21"
 CT_GETTEXT_MIRRORS="$(CT_Mirrors GNU gettext)"
 CT_GETTEXT_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_GETTEXT_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_GETTEXT_ARCHIVE_FORMATS=".tar.xz .tar.gz"
 CT_GETTEXT_SIGNATURE_FORMAT="packed/.sig"
+CT_GETTEXT_0_21_or_later=y
 CT_GETTEXT_0_21_or_older=y
-CT_GETTEXT_older_than_0_21=y
+CT_GETTEXT_INCOMPATIBLE_WITH_UCLIBC_NG=y
+
+#
+# This version of gettext is not compatible with uClibc-NG. Select
+#
+
+#
+# a different version if uClibc-NG is used on the target or (in a
+#
+
+#
+# Canadian cross build) on the host.
+#
 CT_COMP_LIBS_GMP=y
 CT_COMP_LIBS_GMP_PKG_KSYM="GMP"
 CT_GMP_DIR_NAME="gmp"
@@ -734,7 +782,9 @@ CT_ISL_PKG_NAME="isl"
 CT_ISL_SRC_RELEASE=y
 # CT_ISL_SRC_DEVEL is not set
 CT_ISL_PATCH_ORDER="global"
-CT_ISL_V_0_24=y
+CT_ISL_V_0_26=y
+# CT_ISL_V_0_25 is not set
+# CT_ISL_V_0_24 is not set
 # CT_ISL_V_0_23 is not set
 # CT_ISL_V_0_22 is not set
 # CT_ISL_V_0_21 is not set
@@ -744,7 +794,7 @@ CT_ISL_V_0_24=y
 # CT_ISL_V_0_17 is not set
 # CT_ISL_V_0_16 is not set
 # CT_ISL_V_0_15 is not set
-CT_ISL_VERSION="0.24"
+CT_ISL_VERSION="0.26"
 CT_ISL_MIRRORS="https://libisl.sourceforge.io"
 CT_ISL_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_ISL_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
@@ -754,7 +804,20 @@ CT_ISL_later_than_0_18=y
 CT_ISL_0_18_or_later=y
 CT_ISL_later_than_0_15=y
 CT_ISL_0_15_or_later=y
-# CT_COMP_LIBS_LIBELF is not set
+CT_COMP_LIBS_LIBELF=y
+CT_COMP_LIBS_LIBELF_PKG_KSYM="LIBELF"
+CT_LIBELF_DIR_NAME="libelf"
+CT_LIBELF_PKG_NAME="libelf"
+CT_LIBELF_SRC_RELEASE=y
+# CT_LIBELF_SRC_DEVEL is not set
+CT_LIBELF_PATCH_ORDER="global"
+CT_LIBELF_V_0_8=y
+CT_LIBELF_VERSION="0.8.13"
+CT_LIBELF_MIRRORS="https://fossies.org/linux/misc/old http://oe-lite.org/mirror/libelf/ http://ftp.osuosl.org/pub/blfs/conglomeration/libelf/"
+CT_LIBELF_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
+CT_LIBELF_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
+CT_LIBELF_ARCHIVE_FORMATS=".tar.gz"
+CT_LIBELF_SIGNATURE_FORMAT=""
 CT_COMP_LIBS_LIBICONV=y
 CT_COMP_LIBS_LIBICONV_PKG_KSYM="LIBICONV"
 CT_LIBICONV_DIR_NAME="libiconv"
@@ -778,10 +841,8 @@ CT_MPC_SRC_RELEASE=y
 # CT_MPC_SRC_DEVEL is not set
 CT_MPC_PATCH_ORDER="global"
 CT_MPC_V_1_2=y
-# CT_MPC_V_1_1 is not set
-# CT_MPC_V_1_0 is not set
 CT_MPC_VERSION="1.2.1"
-CT_MPC_MIRRORS="http://www.multiprecision.org/downloads $(CT_Mirrors GNU mpc)"
+CT_MPC_MIRRORS="https://www.multiprecision.org/downloads $(CT_Mirrors GNU mpc)"
 CT_MPC_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_MPC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_MPC_ARCHIVE_FORMATS=".tar.gz"
@@ -795,11 +856,9 @@ CT_MPFR_PKG_NAME="mpfr"
 CT_MPFR_SRC_RELEASE=y
 # CT_MPFR_SRC_DEVEL is not set
 CT_MPFR_PATCH_ORDER="global"
-CT_MPFR_V_4_1=y
-# CT_MPFR_V_4_0 is not set
-# CT_MPFR_V_3_1 is not set
-CT_MPFR_VERSION="4.1.0"
-CT_MPFR_MIRRORS="http://www.mpfr.org/mpfr-${CT_MPFR_VERSION} $(CT_Mirrors GNU mpfr)"
+CT_MPFR_V_4_2=y
+CT_MPFR_VERSION="4.2.1"
+CT_MPFR_MIRRORS="https://www.mpfr.org/mpfr-${CT_MPFR_VERSION} $(CT_Mirrors GNU mpfr)"
 CT_MPFR_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_MPFR_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_MPFR_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz .zip"
@@ -813,10 +872,11 @@ CT_NCURSES_PKG_NAME="ncurses"
 CT_NCURSES_SRC_RELEASE=y
 # CT_NCURSES_SRC_DEVEL is not set
 CT_NCURSES_PATCH_ORDER="global"
-CT_NCURSES_V_6_2=y
+CT_NCURSES_V_6_4=y
+# CT_NCURSES_V_6_2 is not set
 # CT_NCURSES_V_6_1 is not set
 # CT_NCURSES_V_6_0 is not set
-CT_NCURSES_VERSION="6.2"
+CT_NCURSES_VERSION="6.4"
 CT_NCURSES_MIRRORS="https://invisible-mirror.net/archives/ncurses $(CT_Mirrors GNU ncurses)"
 CT_NCURSES_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_NCURSES_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
@@ -836,14 +896,29 @@ CT_ZLIB_PKG_NAME="zlib"
 CT_ZLIB_SRC_RELEASE=y
 # CT_ZLIB_SRC_DEVEL is not set
 CT_ZLIB_PATCH_ORDER="global"
-CT_ZLIB_V_1_2_12=y
-CT_ZLIB_VERSION="1.2.12"
-CT_ZLIB_MIRRORS="http://downloads.sourceforge.net/project/libpng/zlib/${CT_ZLIB_VERSION} https://www.zlib.net/ https://www.zlib.net/fossils"
+CT_ZLIB_V_1_2_13=y
+CT_ZLIB_VERSION="1.2.13"
+CT_ZLIB_MIRRORS="https://github.com/madler/zlib/releases/download/v${CT_ZLIB_VERSION} https://www.zlib.net/"
 CT_ZLIB_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
 CT_ZLIB_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
 CT_ZLIB_ARCHIVE_FORMATS=".tar.xz .tar.gz"
 CT_ZLIB_SIGNATURE_FORMAT="packed/.asc"
-CT_ALL_COMP_LIBS_CHOICES="CLOOG EXPAT GETTEXT GMP GNUPRUMCU ISL LIBELF LIBICONV MPC MPFR NCURSES NEWLIB_NANO PICOLIBC ZLIB"
+CT_COMP_LIBS_ZSTD=y
+CT_COMP_LIBS_ZSTD_PKG_KSYM="ZSTD"
+CT_ZSTD_DIR_NAME="zstd"
+CT_ZSTD_PKG_NAME="zstd"
+CT_ZSTD_SRC_RELEASE=y
+# CT_ZSTD_SRC_DEVEL is not set
+CT_ZSTD_PATCH_ORDER="global"
+CT_ZSTD_V_1_5_5=y
+# CT_ZSTD_V_1_5_2 is not set
+CT_ZSTD_VERSION="1.5.5"
+CT_ZSTD_MIRRORS="https://github.com/facebook/zstd/releases/download/v${CT_ZSTD_VERSION} https://www.zstd.net/"
+CT_ZSTD_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
+CT_ZSTD_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
+CT_ZSTD_ARCHIVE_FORMATS=".tar.gz"
+CT_ZSTD_SIGNATURE_FORMAT="packed/.sig"
+CT_ALL_COMP_LIBS_CHOICES="CLOOG EXPAT GETTEXT GMP GNUPRUMCU ISL LIBELF LIBICONV MPC MPFR NCURSES NEWLIB_NANO PICOLIBC ZLIB ZSTD"
 CT_LIBICONV_NEEDED=y
 CT_GETTEXT_NEEDED=y
 CT_GMP_NEEDED=y
@@ -853,6 +928,7 @@ CT_MPC_NEEDED=y
 CT_EXPAT_NEEDED=y
 CT_NCURSES_NEEDED=y
 CT_ZLIB_NEEDED=y
+CT_ZSTD_NEEDED=y
 CT_LIBICONV=y
 CT_GETTEXT=y
 CT_GMP=y
@@ -862,6 +938,7 @@ CT_MPC=y
 CT_EXPAT=y
 CT_NCURSES=y
 CT_ZLIB=y
+CT_ZSTD=y
 # end of Companion libraries
 
 #