diff --git a/build/meta/extra-build-tools.p5m b/build/meta/extra-build-tools.p5m
index b670d2f3b..f1b5af88e 100644
--- a/build/meta/extra-build-tools.p5m
+++ b/build/meta/extra-build-tools.p5m
@@ -25,7 +25,7 @@ depend fmri=ooce/developer/llvm-14 type=require
 depend fmri=ooce/developer/clang-13 type=require
 depend fmri=ooce/developer/subversion type=require
 depend fmri=ooce/developer/yasm type=require
-depend fmri=ooce/developer/zig type=require
+depend fmri=ooce/developer/zig-09 type=require
 depend fmri=ooce/editor/emacs type=require
 depend fmri=ooce/fonts/liberation type=require
 depend fmri=ooce/library/apr type=require
diff --git a/build/ncdu/build.sh b/build/ncdu/build.sh
index 69007ee8f..1d39498b6 100755
--- a/build/ncdu/build.sh
+++ b/build/ncdu/build.sh
@@ -27,7 +27,7 @@ DESC="Disk usage analyzer with an ncurses interface"
 set_arch 64
 set_clangver # zig requires CC to be set
 
-BUILD_DEPENDS_IPS="ooce/developer/zig"
+BUILD_DEPENDS_IPS="ooce/developer/zig-09"
 
 # No configure
 pre_configure() { false; }
diff --git a/build/obsolete/developer-zig.p5m b/build/obsolete/developer-zig.p5m
new file mode 100644
index 000000000..bf38622da
--- /dev/null
+++ b/build/obsolete/developer-zig.p5m
@@ -0,0 +1,3 @@
+set name=pkg.fmri value=pkg://$(PKGPUBLISHER)/ooce/developer/zig@0.9.1,$(SUNOSVER)-$(PVER)
+set name=pkg.renamed value=true
+depend fmri=pkg:/ooce/developer/zig-09 type=require
diff --git a/build/zig/build-0.11.sh b/build/zig/build-0.11.sh
new file mode 100755
index 000000000..b7d9828cb
--- /dev/null
+++ b/build/zig/build-0.11.sh
@@ -0,0 +1,131 @@
+#!/usr/bin/bash
+#
+# {{{ CDDL HEADER
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source. A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+# }}}
+
+# Copyright 2023 OmniOS Community Edition (OmniOSce) Association.
+
+. ../../lib/build.sh
+
+PROG=zig
+VER=0.11.0
+MAJVER=${VER%%.*}
+MINVER=${VER%.*}
+MINVER=${MINVER#*.}
+PKG=ooce/developer/zig-011
+SUMMARY="$PROG programming language"
+DESC="$PROG is a general-purpose programming language and toolchain for "
+DESC+="maintaining robust, optimal, and reusable software."
+
+#
+# Zig 0.11.x requires LLVM 16, which requires rel 151045 or later.
+#
+min_rel 151045
+set_clangver 16
+set_arch 64
+
+CLANGFVER=`pkg_ver clang build-$CLANGVER.sh`
+
+set_patchdir patches-$MAJVER.$MINVER
+OPREFIX=$PREFIX
+PREFIX+=/$PROG-$MAJVER.$MINVER
+
+XFORM_ARGS="
+    -DOPREFIX=${OPREFIX#/}
+    -DPREFIX=${PREFIX#/}
+    -DPROG=$PROG
+    -DPKGROOT=$PROG-$MAJVER.$MINVER
+    -DMEDIATOR=$PROG -DMEDIATOR_VERSION=$MAJVER.$MINVER
+"
+
+#
+# CMAKE_BUILD_TYPE=RelWithDebInfo
+#
+#   Keep debug info so symbols are available to the various
+#   debugging tools.
+#
+# ZIG_STATIC_LLVM=on
+#
+#   Embed the LLVM toolchain in the zig executable. This is
+#   the preferred way to ship zig.
+#
+# ZIG_HOST_TARGET_ARCH=x86_64
+# ZIG_HOST_TARGET_OS=solaris
+# ZIG_HOST_TARGET_TRIPLE=x86_64-solaris
+#
+#   Manually set the triple. Otherwise it falls back to uname and
+#   we get a bogus target.
+#
+# ZIG_TARGET_MCPU=baseline
+#
+#   Target the compiler to pentium4-era CPU features so it can
+#   work on the maximum set of hosts. This only effects the
+#   compiler executable, applications built with this compiler
+#   can set their own CPU features.
+#
+CONFIGURE_OPTS[amd64]="
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    -DCMAKE_INSTALL_PREFIX=$PREFIX
+    -DLLVM_INCLUDE_DIRS=$OPREFIX/llvm-$CLANGVER/include
+    -DCLANG_INCLUDE_DIRS=$OPREFIX/llvm-$CLANGVER/include
+    -DLLVM_LIBDIRS=$OPREFIX/llvm-$CLANGVER/lib
+    -DCLANG_LIBDIRS=$OPREFIX/llvm-$CLANGVER/lib
+    -DZIG_STATIC_LLVM=on
+    -DZIG_HOST_TARGET_ARCH:STRING="x86_64"
+    -DZIG_HOST_TARGET_OS:STRING="solaris"
+    -DZIG_HOST_TARGET_TRIPLE:STRING="x86_64-solaris"
+    -DZIG_TARGET_MCPU="baseline"
+"
+
+init
+
+#########################################################################
+# Download and build lld
+
+save_buildenv
+
+set_builddir llvm-project-$CLANGFVER.src/lld
+prep_build cmake+ninja
+
+CONFIGURE_OPTS[amd64]="
+    -DCMAKE_BUILD_TYPE=Release
+    -DLLVM_MAIN_SRC_DIR=$TMPDIR/llvm-project-$CLANGFVER.src/llvm
+"
+
+build_dependency -noctf lld-$CLANGVER llvm-project-$CLANGFVER.src/lld \
+    llvm llvm-project $CLANGFVER.src
+
+restore_buildenv
+
+CONFIGURE_OPTS[amd64]+="
+    -DLLD_INCLUDE_DIRS=$DEPROOT/usr/local/include
+    -DLLD_LIBDIRS=$DEPROOT/usr/local/lib
+"
+
+#########################################################################
+
+note -n "Building $PROG"
+
+set_builddir $PROG-$VER
+
+CXXFLAGS+=" -fPIC"
+
+download_source $PROG $PROG $VER
+patch_source
+prep_build cmake+ninja
+build -noctf    # C++
+strip_install
+make_package
+clean_up
+
+# Vim hints
+# vim:ts=4:sw=4:et:fdm=marker
diff --git a/build/zig/build.sh b/build/zig/build-0.9.sh
similarity index 72%
rename from build/zig/build.sh
rename to build/zig/build-0.9.sh
index 375b21d3c..4b1982a8c 100755
--- a/build/zig/build.sh
+++ b/build/zig/build-0.9.sh
@@ -12,13 +12,16 @@
 # http://www.illumos.org/license/CDDL.
 # }}}
 
-# Copyright 2022 OmniOS Community Edition (OmniOSce) Association.
+# Copyright 2023 OmniOS Community Edition (OmniOSce) Association.
 
 . ../../lib/build.sh
 
 PROG=zig
 VER=0.9.1
-PKG=ooce/developer/zig
+MAJVER=${VER%%.*}
+MINVER=${VER%.*}
+MINVER=${MINVER#*.}
+PKG=ooce/developer/zig-09
 SUMMARY="$PROG programming language"
 DESC="$PROG is a general-purpose programming language and toolchain for "
 DESC+="maintaining robust, optimal, and reusable software."
@@ -32,24 +35,45 @@ test_relver '<' 151041 && BASEPATH=$PATH set_gccver $DEFAULT_GCC_VER
 
 CLANGFVER=`pkg_ver clang build-$CLANGVER.sh`
 
+set_patchdir patches-$MAJVER.$MINVER
 OPREFIX=$PREFIX
-PREFIX+=/$PROG
+PREFIX+=/$PROG-$MAJVER.$MINVER
 
 XFORM_ARGS="
     -DOPREFIX=${OPREFIX#/}
     -DPREFIX=${PREFIX#/}
     -DPROG=$PROG
-    -DPKGROOT=$PROG
+    -DPKGROOT=$PROG-$MAJVER.$MINVER
+    -DMEDIATOR=$PROG -DMEDIATOR_VERSION=$MAJVER.$MINVER
 "
 
+#
+# CMAKE_BUILD_TYPE=RelWithDebInfo
+#
+#   Keep debug info so symbols are available to the various
+#   debugging tools.
+#
+# ZIG_STATIC_LLVM=on
+#
+#   Embed the LLVM toolchain in the zig executable. This is
+#   the preferred way to ship zig.
+#
+# ZIG_TARGET_MCPU=baseline
+#
+#   Target the compiler to pentium4-era CPU features so it can
+#   work on the maximum set of hosts. This only effects the
+#   compiler executable, applications built with this compiler
+#   can set their own CPU features.
+#
 CONFIGURE_OPTS[amd64]="
-    -DCMAKE_BUILD_TYPE=Release
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
     -DCMAKE_INSTALL_PREFIX=$PREFIX
     -DLLVM_INCLUDE_DIRS=$OPREFIX/llvm-$CLANGVER/include
     -DCLANG_INCLUDE_DIRS=$OPREFIX/llvm-$CLANGVER/include
     -DLLVM_LIBDIRS=$OPREFIX/llvm-$CLANGVER/lib
     -DCLANG_LIBDIRS=$OPREFIX/llvm-$CLANGVER/lib
     -DZIG_STATIC_LLVM=on
+    -DZIG_TARGET_MCPU="baseline"
 "
 
 init
diff --git a/build/zig/local.mog b/build/zig/local.mog
index 9fc6511e5..6d546e29e 100644
--- a/build/zig/local.mog
+++ b/build/zig/local.mog
@@ -13,6 +13,6 @@
 
 license LICENSE license=MIT
 
-<include binlink.mog>
-<include manlink.mog>
+<include mediated-binlink.mog>
+<include mediated-manlink.mog>
 
diff --git a/build/zig/patches-0.11/add-ca-certs.patch b/build/zig/patches-0.11/add-ca-certs.patch
new file mode 100644
index 000000000..38fd116ae
--- /dev/null
+++ b/build/zig/patches-0.11/add-ca-certs.patch
@@ -0,0 +1,28 @@
+diff --git a/lib/std/crypto/Certificate/Bundle.zig b/lib/std/crypto/Certificate/Bundle.zig
+index 3e28d12d0..ad08f9ad1 100644
+--- a/lib/std/crypto/Certificate/Bundle.zig
++++ b/lib/std/crypto/Certificate/Bundle.zig
+@@ -64,6 +64,7 @@ pub fn rescan(cb: *Bundle, gpa: Allocator) RescanError!void {
+         .netbsd => return rescanBSD(cb, gpa, "/etc/openssl/certs/ca-certificates.crt"),
+         .dragonfly => return rescanBSD(cb, gpa, "/usr/local/etc/ssl/cert.pem"),
+         .windows => return rescanWindows(cb, gpa),
++        .solaris => return rescanSolaris(cb, gpa, "/etc/ssl/cacert.pem"),
+         else => {},
+     }
+ }
+@@ -151,6 +152,15 @@ fn rescanWindows(cb: *Bundle, gpa: Allocator) RescanWindowsError!void {
+     cb.bytes.shrinkAndFree(gpa, cb.bytes.items.len);
+ }
+ 
++const RescanSolarisError = AddCertsFromFilePathError;
++
++fn rescanSolaris(cb: *Bundle, gpa: Allocator, cert_file_path: []const u8) RescanSolarisError!void {
++    cb.bytes.clearRetainingCapacity();
++    cb.map.clearRetainingCapacity();
++    try addCertsFromFilePathAbsolute(cb, gpa, cert_file_path);
++    cb.bytes.shrinkAndFree(gpa, cb.bytes.items.len);
++}
++
+ pub const AddCertsFromDirPathError = fs.File.OpenError || AddCertsFromDirError;
+ 
+ pub fn addCertsFromDirPath(
diff --git a/build/zig/patches-0.11/add-reg-defs.patch b/build/zig/patches-0.11/add-reg-defs.patch
new file mode 100644
index 000000000..9c56d4684
--- /dev/null
+++ b/build/zig/patches-0.11/add-reg-defs.patch
@@ -0,0 +1,42 @@
+diff --git a/lib/std/c/solaris.zig b/lib/std/c/solaris.zig
+index 58d02416c..b7549e444 100644
+--- a/lib/std/c/solaris.zig
++++ b/lib/std/c/solaris.zig
+@@ -1069,7 +1069,21 @@ pub const mcontext_t = extern struct {
+ };
+ 
+ pub const REG = struct {
++    pub const R15 = 0;
++    pub const R14 = 1;
++    pub const R13 = 2;
++    pub const R12 = 3;
++    pub const R11 = 4;
++    pub const R10 = 5;
++    pub const R9 = 6;
++    pub const R8 = 7;
++    pub const RDI = 8;
++    pub const RSI = 9;
+     pub const RBP = 10;
++    pub const RBX = 11;
++    pub const RDX = 12;
++    pub const RCX = 13;
++    pub const RAX = 14;
+     pub const RIP = 17;
+     pub const RSP = 20;
+ };
+diff --git a/lib/std/dwarf/abi.zig b/lib/std/dwarf/abi.zig
+index 6fbd1fba4..3525b9cb4 100644
+--- a/lib/std/dwarf/abi.zig
++++ b/lib/std/dwarf/abi.zig
+@@ -247,7 +247,10 @@ pub fn regBytes(
+                 14 => mem.asBytes(&ucontext_ptr.mcontext.gregs[os.REG.R14]),
+                 15 => mem.asBytes(&ucontext_ptr.mcontext.gregs[os.REG.R15]),
+                 16 => mem.asBytes(&ucontext_ptr.mcontext.gregs[os.REG.RIP]),
+-                17...32 => |i| mem.asBytes(&ucontext_ptr.mcontext.fpregs.xmm[i - 17]),
++                17...32 => |i| if (builtin.os.tag == .solaris)
++                    mem.asBytes(&ucontext_ptr.mcontext.fpregs.chip_state.xmm[i - 17])
++                else
++                    mem.asBytes(&ucontext_ptr.mcontext.fpregs.xmm[i - 17]),
+                 else => error.InvalidRegister,
+             },
+             .freebsd => switch (reg_number) {
diff --git a/build/zig/patches-0.11/hard-code-dynamic-linker.patch b/build/zig/patches-0.11/hard-code-dynamic-linker.patch
new file mode 100644
index 000000000..ed26381ba
--- /dev/null
+++ b/build/zig/patches-0.11/hard-code-dynamic-linker.patch
@@ -0,0 +1,47 @@
+diff --git a/lib/std/target.zig b/lib/std/target.zig
+index c3d12b275..34e04f9aa 100644
+--- a/lib/std/target.zig
++++ b/lib/std/target.zig
+@@ -523,7 +523,6 @@ pub const Target = struct {
+                 .cloudabi,
+                 .dragonfly,
+                 .lv2,
+-                .solaris,
+                 .zos,
+                 .minix,
+                 .rtems,
+@@ -565,6 +564,7 @@ pub const Target = struct {
+                 .watchos,
+                 .driverkit,
+                 .shadermodel,
++                .solaris,
+                 => return .none,
+             }
+         }
+@@ -1572,7 +1572,7 @@ pub const Target = struct {
+             .netbsd => return copy(&result, "/libexec/ld.elf_so"),
+             .openbsd => return copy(&result, "/usr/libexec/ld.so"),
+             .dragonfly => return copy(&result, "/libexec/ld-elf.so.2"),
+-            .solaris => return copy(&result, "/lib/64/ld.so.1"),
++            .solaris => return copy(&result, "/usr/lib/amd64/ld.so.1"),
+             .linux => switch (self.cpu.arch) {
+                 .x86,
+                 .sparc,
+diff --git a/lib/std/zig/system/NativeTargetInfo.zig b/lib/std/zig/system/NativeTargetInfo.zig
+index 97e9c31db..e87702ee2 100644
+--- a/lib/std/zig/system/NativeTargetInfo.zig
++++ b/lib/std/zig/system/NativeTargetInfo.zig
+@@ -257,10 +257,12 @@ fn detectAbiAndDynamicLinker(
+ ) DetectError!NativeTargetInfo {
+     const native_target_has_ld = comptime builtin.target.hasDynamicLinker();
+     const is_linux = builtin.target.os.tag == .linux;
++    const is_solaris = builtin.target.os.tag == .solaris;
+     const have_all_info = cross_target.dynamic_linker.get() != null and
+         cross_target.abi != null and (!is_linux or cross_target.abi.?.isGnu());
+     const os_is_non_native = cross_target.os_tag != null;
+-    if (!native_target_has_ld or have_all_info or os_is_non_native) {
++    // The Solaris/illumos environment is always the same.
++    if (!native_target_has_ld or have_all_info or os_is_non_native or is_solaris) {
+         return defaultAbiAndDynamicLinker(cpu, os, cross_target);
+     }
+     if (cross_target.abi) |abi| {
diff --git a/build/zig/patches-0.11/keep-frame-pointers.patch b/build/zig/patches-0.11/keep-frame-pointers.patch
new file mode 100644
index 000000000..563c06f86
--- /dev/null
+++ b/build/zig/patches-0.11/keep-frame-pointers.patch
@@ -0,0 +1,16 @@
+diff --git a/build.zig b/build.zig
+index 87da0e695..e1bdc45ca 100644
+--- a/build.zig
++++ b/build.zig
+@@ -197,6 +197,11 @@ pub fn build(b: *std.Build) !void {
+     exe.sanitize_thread = sanitize_thread;
+     exe.entitlements = entitlements;
+ 
++    //
++    // We prefer to have the frame pointer in illumos.
++    //
++    exe.omit_frame_pointer = false;
++
+     exe.build_id = b.option(
+         std.Build.Step.Compile.BuildId,
+         "build-id",
diff --git a/build/zig/patches-0.11/link-libstdc++.patch b/build/zig/patches-0.11/link-libstdc++.patch
new file mode 100644
index 000000000..6f1357657
--- /dev/null
+++ b/build/zig/patches-0.11/link-libstdc++.patch
@@ -0,0 +1,15 @@
+diff --git a/build.zig b/build.zig
+index cb62d64da..87da0e695 100644
+--- a/build.zig
++++ b/build.zig
+@@ -666,6 +666,10 @@ fn addCmakeCfgOptionsToExe(
+                     try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
+                 }
+             },
++            .solaris => {
++                    try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
++                    try addCxxKnownPath(b, cfg, exe, b.fmt("libgcc_eh.{s}", .{lib_suffix}), null, need_cpp_includes);
++            },
+             else => {},
+         }
+     }
diff --git a/build/zig/patches-0.11/max-component-len.patch b/build/zig/patches-0.11/max-component-len.patch
new file mode 100644
index 000000000..21f7412fe
--- /dev/null
+++ b/build/zig/patches-0.11/max-component-len.patch
@@ -0,0 +1,28 @@
+diff --git a/lib/std/c/solaris.zig b/lib/std/c/solaris.zig
+index b7549e444..3ec8c3aa9 100644
+--- a/lib/std/c/solaris.zig
++++ b/lib/std/c/solaris.zig
+@@ -498,6 +498,7 @@ pub const NI = struct {
+     pub const MAXSERV = 32;
+ };
+ 
++pub const NAME_MAX = 255;
+ pub const PATH_MAX = 1024;
+ pub const IOV_MAX = 1024;
+ 
+diff --git a/lib/std/fs.zig b/lib/std/fs.zig
+index e5c2d67d6..2b5392762 100644
+--- a/lib/std/fs.zig
++++ b/lib/std/fs.zig
+@@ -59,10 +59,9 @@ pub const MAX_PATH_BYTES = switch (builtin.os.tag) {
+ /// (depending on the platform) this assumption may not hold for every configuration.
+ /// The byte count does not include a null sentinel byte.
+ pub const MAX_NAME_BYTES = switch (builtin.os.tag) {
+-    .linux, .macos, .ios, .freebsd, .openbsd, .netbsd, .dragonfly => os.NAME_MAX,
++    .linux, .macos, .ios, .freebsd, .openbsd, .netbsd, .dragonfly, .solaris => os.NAME_MAX,
+     // Haiku's NAME_MAX includes the null terminator, so subtract one.
+     .haiku => os.NAME_MAX - 1,
+-    .solaris => os.system.MAXNAMLEN,
+     // Each UTF-16LE character may be expanded to 3 UTF-8 bytes.
+     // If it would require 4 UTF-8 bytes, then there would be a surrogate
+     // pair in the UTF-16LE, and we (over)account 3 bytes for it that way.
diff --git a/build/zig/patches-0.11/native-libc-paths.patch b/build/zig/patches-0.11/native-libc-paths.patch
new file mode 100644
index 000000000..929c6c3a9
--- /dev/null
+++ b/build/zig/patches-0.11/native-libc-paths.patch
@@ -0,0 +1,22 @@
+diff --git a/src/libc_installation.zig b/src/libc_installation.zig
+index 2d42a03a3..a01bc4f33 100644
+--- a/src/libc_installation.zig
++++ b/src/libc_installation.zig
+@@ -213,11 +213,16 @@ pub const LibCInstallation = struct {
+             try self.findNativeIncludeDirPosix(args);
+             try self.findNativeCrtBeginDirHaiku(args);
+             self.crt_dir = try args.allocator.dupeZ(u8, "/system/develop/lib");
++        } else if (builtin.target.os.tag == .solaris) {
++            // There is only one libc in illumos, and its headers and
++            // libraries are always in the same spot.
++            self.include_dir = try args.allocator.dupeZ(u8, "/usr/include");
++            self.sys_include_dir = try args.allocator.dupeZ(u8, "/usr/include");
++            self.crt_dir = try args.allocator.dupeZ(u8, "/usr/lib/64");
+         } else if (std.process.can_spawn) {
+             try self.findNativeIncludeDirPosix(args);
+             switch (builtin.target.os.tag) {
+                 .freebsd, .netbsd, .openbsd, .dragonfly => self.crt_dir = try args.allocator.dupeZ(u8, "/usr/lib"),
+-                .solaris => self.crt_dir = try args.allocator.dupeZ(u8, "/usr/lib/64"),
+                 .linux => try self.findNativeCrtDirPosix(args),
+                 else => {},
+             }
diff --git a/build/zig/patches-0.11/no-ld-stack-size.patch b/build/zig/patches-0.11/no-ld-stack-size.patch
new file mode 100644
index 000000000..2514e0f06
--- /dev/null
+++ b/build/zig/patches-0.11/no-ld-stack-size.patch
@@ -0,0 +1,23 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 92be8fbfe..9aa1c8c87 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -735,6 +735,9 @@ else()
+     set(ZIG2_LINK_FLAGS "-Wl,-stack_size,0x10000000")
+   elseif(MINGW)
+     set(ZIG2_LINK_FLAGS "-Wl,--stack,0x10000000")
++  # Solaris/illumos ld(1) does not provide a --stack-size option.
++  elseif(CMAKE_HOST_SOLARIS)
++    unset(ZIG2_LINK_FLAGS)
+   else()
+     set(ZIG2_LINK_FLAGS "-Wl,-z,stack-size=0x10000000")
+   endif()
+@@ -807,7 +810,7 @@ add_custom_command(
+ add_executable(zig2 ${ZIG2_C_SOURCE} ${ZIG_COMPILER_RT_C_SOURCE})
+ set_target_properties(zig2 PROPERTIES
+   COMPILE_FLAGS ${ZIG2_COMPILE_FLAGS}
+-  LINK_FLAGS ${ZIG2_LINK_FLAGS}
++  LINK_FLAGS "${ZIG2_LINK_FLAGS}"
+ )
+ target_include_directories(zig2 PUBLIC "${CMAKE_SOURCE_DIR}/stage1")
+ target_link_libraries(zig2 LINK_PUBLIC zigcpp)
diff --git a/build/zig/patches-0.11/override-target-stage-3.patch b/build/zig/patches-0.11/override-target-stage-3.patch
new file mode 100644
index 000000000..ec6614c63
--- /dev/null
+++ b/build/zig/patches-0.11/override-target-stage-3.patch
@@ -0,0 +1,15 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 9aa1c8c87..30ec5fb13 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -117,6 +117,10 @@ else()
+     set(ZIG_USE_LLVM_CONFIG OFF CACHE BOOL "use llvm-config to find LLVM libraries")
+ endif()
+ 
++set(ZIG_TARGET_TRIPLE "x86_64-solaris")
++set(ZIG_USE_LLVM_CONFIG ON)
++
++
+ if(ZIG_AR_WORKAROUND)
+   string(REPLACE "<CMAKE_AR>" "<CMAKE_AR> ar" CMAKE_C_ARCHIVE_CREATE ${CMAKE_C_ARCHIVE_CREATE})
+   string(REPLACE "<CMAKE_AR>" "<CMAKE_AR> ar" CMAKE_CXX_ARCHIVE_CREATE ${CMAKE_CXX_ARCHIVE_CREATE})
diff --git a/build/zig/patches-0.11/series b/build/zig/patches-0.11/series
new file mode 100644
index 000000000..fe3525b22
--- /dev/null
+++ b/build/zig/patches-0.11/series
@@ -0,0 +1,9 @@
+no-ld-stack-size.patch
+add-reg-defs.patch
+verbose-link.patch
+link-libstdc++.patch
+native-libc-paths.patch
+max-component-len.patch
+add-ca-certs.patch
+hard-code-dynamic-linker.patch
+keep-frame-pointers.patch
diff --git a/build/zig/patches-0.11/verbose-link.patch b/build/zig/patches-0.11/verbose-link.patch
new file mode 100644
index 000000000..71de653db
--- /dev/null
+++ b/build/zig/patches-0.11/verbose-link.patch
@@ -0,0 +1,15 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 30ec5fb13..995cf1323 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -886,6 +886,10 @@ set(ZIG_BUILD_ARGS
+   "-Dversion-string=${RESOLVED_ZIG_VERSION}"
+ )
+ 
++if(ZIG_BUILD_VERBOSE_LINK)
++  list(APPEND ZIG_BUILD_ARGS "--verbose-link")
++endif()
++
+ add_custom_target(stage3 ALL
+   DEPENDS "${CMAKE_BINARY_DIR}/stage3/bin/zig"
+ )
diff --git a/doc/baseline b/doc/baseline
index a1e74dd99..1471b566c 100644
--- a/doc/baseline
+++ b/doc/baseline
@@ -102,7 +102,9 @@ extra.omnios ooce/developer/rust
 extra.omnios ooce/developer/subversion
 extra.omnios ooce/developer/valgrind
 extra.omnios ooce/developer/yasm
-extra.omnios ooce/developer/zig
+extra.omnios ooce/developer/zig r
+extra.omnios ooce/developer/zig-09
+extra.omnios ooce/developer/zig-011
 extra.omnios ooce/driver/fuse
 extra.omnios ooce/editor/emacs
 extra.omnios ooce/editor/helix
diff --git a/doc/packages.md b/doc/packages.md
index 1d28cfc3e..8a568e27c 100644
--- a/doc/packages.md
+++ b/doc/packages.md
@@ -76,7 +76,8 @@
 | ooce/developer/subversion	| 1.14.2	| https://downloads.apache.org/subversion/ | [omniosorg](https://github.com/omniosorg)
 | ooce/developer/valgrind	| 3.21.0	| https://valgrind.org/downloads/current.html | [omniosorg](https://github.com/omniosorg)
 | ooce/developer/yasm		| 1.3.0		| https://github.com/yasm/yasm/releases https://yasm.tortall.net/ | [omniosorg](https://github.com/omniosorg)
-| ooce/developer/zig		| 0.9.1		| https://ziglang.org/download/index.json https://ziglang.org/download/ | [omniosorg](https://github.com/omniosorg)
+| ooce/developer/zig-09		| 0.9.1		| https://ziglang.org/download/index.json https://ziglang.org/download/ | [omniosorg](https://github.com/omniosorg)
+| ooce/developer/zig-011	| 0.11.0	| https://ziglang.org/download/index.json https://ziglang.org/download/ | [omniosorg](https://github.com/omniosorg)
 | ooce/driver/fuse		| 1.4		| https://github.com/jurikm/illumos-fusefs/tags | [omniosorg](https://github.com/omniosorg)
 | ooce/editor/emacs		| 29.1		| https://ftp.gnu.org/gnu/emacs/ https://www.gnu.org/savannah-checkouts/gnu/emacs/emacs.html#Releases | [omniosorg](https://github.com/omniosorg)
 | ooce/editor/helix		| 22.12		| https://github.com/helix-editor/helix/releases| [omniosorg](https://github.com/omniosorg)