diff --git a/build/abseil/build.sh b/build/abseil/build.sh
new file mode 100755
index 000000000..c3585638c
--- /dev/null
+++ b/build/abseil/build.sh
@@ -0,0 +1,44 @@
+#!/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 2025 Oxide Computer Company
+
+. ../../lib/build.sh
+
+PROG=abseil
+VER=20240116.3
+PKG=ooce/library/abseil
+SUMMARY="abseil"
+DESC="Collection of c++ libraries from google"
+
+set_builddir $PROG-cpp-$VER
+
+CONFIGURE_OPTS="
+    -DCMAKE_BUILD_TYPE=Release
+    -DCMAKE_INSTALL_PREFIX=$PREFIX
+"
+
+CONFIGURE_OPTS[i386]="-DCMAKE_INSTALL_LIBDIR=$PREFIX/${LIBDIRS[i386]}"
+CONFIGURE_OPTS[amd64]="-DCMAKE_INSTALL_LIBDIR=$PREFIX/${LIBDIRS[amd64]}"
+
+init
+download_source abseil $PROG-cpp-$VER
+patch_source
+prep_build cmake
+build -noctf    # C++
+make_package
+clean_up
+
+# Vim hints
+# vim:ts=4:sw=4:et:fdm=marker
diff --git a/build/abseil/local.mog b/build/abseil/local.mog
new file mode 100644
index 000000000..e4d2e458f
--- /dev/null
+++ b/build/abseil/local.mog
@@ -0,0 +1,13 @@
+#
+# 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 2025 Oxide Computer Company
+
+license LICENSE license=Apache2
diff --git a/build/boost/build.sh b/build/boost/build.sh
new file mode 100755
index 000000000..c1923ff2e
--- /dev/null
+++ b/build/boost/build.sh
@@ -0,0 +1,51 @@
+#!/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 2025 Oxide Computer Company
+
+. ../../lib/build.sh
+
+PROG=boost
+VER=1.87.0
+PKG=ooce/library/boost
+SUMMARY="boost"
+DESC="Widely used collection of c++ libraries"
+
+SKIP_LICENCES=bsl
+
+OPREFIX=$PREFIX
+PREFIX+="/$PROG"
+
+VERNAME=${VER//./_}
+set_arch 64
+set_builddir boost_$VERNAME
+
+build() {
+    pushd $TMPDIR/$BUILDDIR >/dev/null \
+        || logerr "Cannot change to $TMPDIR/$BUILDDIR"
+    logcmd ./bootstrap.sh --prefix=$DESTDIR/$PREFIX || logerr "bootstrap failed"
+    logcmd ./b2 link=static runtime-link=static install || logerr "build failed"
+    popd >/dev/null
+}
+
+init
+download_source boost boost_$VERNAME
+patch_source
+prep_build
+build
+make_package
+clean_up
+
+# Vim hints
+# vim:ts=4:sw=4:et:fdm=marker
diff --git a/build/boost/local.mog b/build/boost/local.mog
new file mode 100644
index 000000000..fc2d46357
--- /dev/null
+++ b/build/boost/local.mog
@@ -0,0 +1,13 @@
+#
+# 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 2025 Oxide Computer Company
+
+license LICENSE_1_0.txt license=bsl
diff --git a/build/boost/patches/illumos.patch b/build/boost/patches/illumos.patch
new file mode 100644
index 000000000..9e54e2353
--- /dev/null
+++ b/build/boost/patches/illumos.patch
@@ -0,0 +1,31 @@
+This was fixed upstream in
+https://github.com/boostorg/process/commit/bb375f50bd5b362b087aab326df158a
+
+This patch can be removed once we have updated past that.
+
+diff --git a/libs/process/src/ext/cwd.cpp b/libs/process/src/ext/cwd.cpp
+index 6aee83de1..32042ce4e 100644
+--- a/libs/process/src/ext/cwd.cpp
++++ b/libs/process/src/ext/cwd.cpp
+@@ -124,7 +124,7 @@ filesystem::path cwd(boost::process::v2::pid_type pid, boost::system::error_code
+             filesystem::path("/proc") / std::to_string(pid) / "cwd", ec
+             );
+ #elif defined(__sun)
+-    return fileystem::canonical(
++    return filesystem::canonical(
+             filesystem::path("/proc") / std::to_string(pid) / "path/cwd", ec
+             );
+ #endif
+diff --git a/libs/process/src/ext/exe.cpp b/libs/process/src/ext/exe.cpp
+index 0f05f8ab0..0d0d95ada 100644
+--- a/libs/process/src/ext/exe.cpp
++++ b/libs/process/src/ext/exe.cpp
+@@ -138,7 +138,7 @@ filesystem::path exe(boost::process::v2::pid_type pid, boost::system::error_code
+             filesystem::path("/proc") / std::to_string(pid) / "exe", ec
+             );
+ #elif defined(__sun)
+-    return fileystem::canonical(
++    return filesystem::canonical(
+             filesystem::path("/proc") / std::to_string(pid) / "path/a.out", ec
+             );
+ #endif
diff --git a/build/boost/patches/series b/build/boost/patches/series
new file mode 100644
index 000000000..77f8d19db
--- /dev/null
+++ b/build/boost/patches/series
@@ -0,0 +1 @@
+illumos.patch
diff --git a/build/meta/extra-build-tools.p5m b/build/meta/extra-build-tools.p5m
index 244d82d93..e9ad42e0f 100644
--- a/build/meta/extra-build-tools.p5m
+++ b/build/meta/extra-build-tools.p5m
@@ -21,6 +21,7 @@ depend fmri=ooce/developer/yasm type=require
 depend fmri=ooce/developer/zig type=require
 depend fmri=ooce/editor/emacs type=require
 depend fmri=ooce/fonts/liberation type=require
+depend fmri=ooce/library/abseil type=require
 depend fmri=ooce/library/apr type=require
 depend fmri=ooce/library/cairo type=require
 depend fmri=ooce/library/fcgi2 type=require
diff --git a/build/protobuf/build.sh b/build/protobuf/build.sh
index 965439cf3..19a5d870e 100755
--- a/build/protobuf/build.sh
+++ b/build/protobuf/build.sh
@@ -30,9 +30,14 @@ CONFIGURE_OPTS="
     -DCMAKE_INSTALL_PREFIX=$PREFIX
     -DCMAKE_POSITION_INDEPENDENT_CODE=ON
     -Dprotobuf_BUILD_TESTS=OFF
+    -Dprotobuf_ABSL_PROVIDER=package
+    -DCMAKE_PREFIX_PATH=$PREFIX
 "
 CONFIGURE_OPTS[i386]="-DCMAKE_INSTALL_LIBDIR=$PREFIX/${LIBDIRS[i386]}"
-CONFIGURE_OPTS[amd64]="-DCMAKE_INSTALL_LIBDIR=$PREFIX/${LIBDIRS[amd64]}"
+CONFIGURE_OPTS[amd64]="
+    -DCMAKE_INSTALL_LIBDIR=$PREFIX/${LIBDIRS[amd64]}
+    -DCMAKE_LIBRARY_ARCHITECTURE=amd64
+"
 
 init
 clone_github_source $PROG "$GITHUB/protocolbuffers/$PROG" v$VER
diff --git a/doc/baseline b/doc/baseline
index bdfa59615..508d592ce 100644
--- a/doc/baseline
+++ b/doc/baseline
@@ -116,9 +116,11 @@ extra.omnios ooce/file/acltool
 extra.omnios ooce/file/lsof
 extra.omnios ooce/file/tree
 extra.omnios ooce/fonts/liberation
+extra.omnios ooce/library/abseil
 extra.omnios ooce/library/apr
 extra.omnios ooce/library/apr-util
 extra.omnios ooce/library/bdw-gc
+extra.omnios ooce/library/boost
 extra.omnios ooce/library/cairo
 extra.omnios ooce/library/fcgi2
 extra.omnios ooce/library/fontconfig
diff --git a/doc/packages.md b/doc/packages.md
index 876bebc6f..637d61981 100644
--- a/doc/packages.md
+++ b/doc/packages.md
@@ -92,9 +92,11 @@
 | ooce/file/lsof		| 4.95.0	| https://github.com/lsof-org/lsof/releases | [omniosorg](https://github.com/omniosorg)
 | ooce/file/tree		| 2.1.1		| http://mama.indstate.edu/users/ice/tree/ | [omniosorg](https://github.com/omniosorg)
 | ooce/fonts/liberation		| 2.1.5		| https://github.com/liberationfonts/liberation-fonts/releases | [omniosorg](https://github.com/omniosorg)
+| ooce/library/abseil		| 20240116.3	| https://github.com/abseil/abseil-cpp/releases/ | [oxidecomputer](https://github.com/oxidecomputer)
 | ooce/library/apr		| 1.7.4 	| https://downloads.apache.org/apr/ | [omniosorg](https://github.com/omniosorg)
 | ooce/library/apr-util		| 1.6.3		| https://downloads.apache.org/apr/ | [omniosorg](https://github.com/omniosorg)
 | ooce/library/bdw-gc		| 8.2.2		| https://www.hboehm.info/gc/gc_source/ | [omniosorg](https://github.com/omniosorg)
+| ooce/library/boost		| 1.87.0	| https://archives.boost.io/release | [oxidecomputer](https://github.com/oxidecomputer)
 | ooce/library/cairo		| 1.16.0	| https://cairographics.org/releases/ | [omniosorg](https://github.com/omniosorg)
 | ooce/library/fcgi2		| 2.4.2		| https://github.com/FastCGI-Archives/fcgi2/releases | [omniosorg](https://github.com/omniosorg)
 | ooce/library/fontconfig	| 2.14.2	| https://www.freedesktop.org/software/fontconfig/release/ https://www.freedesktop.org/wiki/Software/fontconfig/ | [omniosorg](https://github.com/omniosorg)