diff --git a/dev-libs/boost/boost1.85-1.85.0.recipe b/dev-libs/boost/boost1.85-1.85.0.recipe
new file mode 100644
index 000000000..d77251497
--- /dev/null
+++ b/dev-libs/boost/boost1.85-1.85.0.recipe
@@ -0,0 +1,249 @@
+SUMMARY="A set of libraries for the C++ programming language"
+DESCRIPTION="Boost is a set of libraries for the C++ programming language \
+that provide support for tasks and structures such as linear algebra, \
+pseudorandom number generation, multithreading, image processing, regular \
+expressions, and unit testing. It contains over eighty individual libraries."
+HOMEPAGE="https://www.boost.org/"
+SOURCE_URI="https://boostorg.jfrog.io/artifactory/main/release/$portVersion/source/boost_${portVersion//./_}.tar.bz2"
+CHECKSUM_SHA256="7009fe1faa1697476bdc7027703a2badb84e849b7b0baad5086b087b971f8617"
+REVISION="1"
+LICENSE="Boost v1.0"
+COPYRIGHT="1993-2002 Christopher Seiwald and Perforce Software, Inc.
+	1998-2018 Beman Dawes
+	2001 David Turner
+	2001-2004 David Abrahams
+	2002-2019 Rene Rivera
+	2003-2015 Vladimir Prus"
+SOURCE_DIR="boost_${portVersion//./_}"
+PATCHES="boost1.85-$portVersion.patchset"
+
+ARCHITECTURES="all !x86_gcc2"
+SECONDARY_ARCHITECTURES="x86"
+
+libVersion="$portVersion compat >= 1.85.0"
+
+PROVIDES="
+	boost1.85$secondaryArchSuffix = $portVersion
+	lib:libboost_atomic$secondaryArchSuffix = $libVersion
+	lib:libboost_charconv$secondaryArchSuffix = $libVersion
+	lib:libboost_chrono$secondaryArchSuffix = $libVersion
+	lib:libboost_container$secondaryArchSuffix = $libVersion
+	lib:libboost_context$secondaryArchSuffix = $libVersion
+	lib:libboost_contract$secondaryArchSuffix = $libVersion
+	lib:libboost_coroutine$secondaryArchSuffix = $libVersion
+	lib:libboost_date_time$secondaryArchSuffix = $libVersion
+	lib:libboost_fiber$secondaryArchSuffix = $libVersion
+	lib:libboost_filesystem$secondaryArchSuffix = $libVersion
+	lib:libboost_graph$secondaryArchSuffix = $libVersion
+	lib:libboost_iostreams$secondaryArchSuffix = $libVersion
+	lib:libboost_json$secondaryArchSuffix = $libVersion
+	lib:libboost_locale$secondaryArchSuffix = $libVersion
+	lib:libboost_log_setup$secondaryArchSuffix = $libVersion
+	lib:libboost_log$secondaryArchSuffix = $libVersion
+	lib:libboost_math_c99$secondaryArchSuffix = $libVersion
+	lib:libboost_math_c99f$secondaryArchSuffix = $libVersion
+	lib:libboost_math_tr1$secondaryArchSuffix = $libVersion
+	lib:libboost_math_tr1f$secondaryArchSuffix = $libVersion
+	lib:libboost_nowide$secondaryArchSuffix = $libVersion
+	lib:libboost_prg_exec_monitor$secondaryArchSuffix = $libVersion
+	lib:libboost_program_options$secondaryArchSuffix = $libVersion
+	lib:libboost_random$secondaryArchSuffix = $libVersion
+	lib:libboost_regex$secondaryArchSuffix = $libVersion
+	lib:libboost_serialization$secondaryArchSuffix = $libVersion
+	lib:libboost_stacktrace_basic$secondaryArchSuffix = $libVersion
+	lib:libboost_stacktrace_noop$secondaryArchSuffix = $libVersion
+	lib:libboost_system$secondaryArchSuffix = $libVersion
+	lib:libboost_thread$secondaryArchSuffix = $libVersion
+	lib:libboost_timer$secondaryArchSuffix = $libVersion
+	lib:libboost_type_erasure$secondaryArchSuffix = $libVersion
+	lib:libboost_unit_test_framework$secondaryArchSuffix = $libVersion
+	lib:libboost_url$secondaryArchSuffix = $libVersion
+	lib:libboost_wave$secondaryArchSuffix = $libVersion
+	lib:libboost_wserialization$secondaryArchSuffix = $libVersion
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix
+	lib:libbz2$secondaryArchSuffix
+	lib:libiconv$secondaryArchSuffix
+	lib:libicudata$secondaryArchSuffix
+	lib:libicui18n$secondaryArchSuffix
+	lib:libicuuc$secondaryArchSuffix
+	lib:liblzma$secondaryArchSuffix
+	lib:libquadmath$secondaryArchSuffix
+	lib:libz$secondaryArchSuffix
+	lib:libzstd$secondaryArchSuffix
+	"
+
+# List of devel entries matching an actual library (for use in prepareInstalledDevelLibs)
+# Boost also provides header-only libraries (because templates)
+devel_libs="
+	devel:libboost_atomic$secondaryArchSuffix = $libVersion
+	devel:libboost_charconv$secondaryArchSuffix = $libVersion
+	devel:libboost_chrono$secondaryArchSuffix = $libVersion
+	devel:libboost_container$secondaryArchSuffix = $libVersion
+	devel:libboost_context$secondaryArchSuffix = $libVersion
+	devel:libboost_contract$secondaryArchSuffix = $libVersion
+	devel:libboost_coroutine$secondaryArchSuffix = $libVersion
+	devel:libboost_date_time$secondaryArchSuffix = $libVersion
+	devel:libboost_exception$secondaryArchSuffix = $libVersion
+	devel:libboost_fiber$secondaryArchSuffix = $libVersion
+	devel:libboost_filesystem$secondaryArchSuffix = $libVersion
+	devel:libboost_graph$secondaryArchSuffix = $libVersion
+	devel:libboost_iostreams$secondaryArchSuffix = $libVersion
+	devel:libboost_json$secondaryArchSuffix = $libVersion
+	devel:libboost_locale$secondaryArchSuffix = $libVersion
+	devel:libboost_log_setup$secondaryArchSuffix = $libVersion
+	devel:libboost_log$secondaryArchSuffix = $libVersion
+	devel:libboost_nowide$secondaryArchSuffix = $libVersion
+	devel:libboost_prg_exec_monitor$secondaryArchSuffix = $libVersion
+	devel:libboost_program_options$secondaryArchSuffix = $libVersion
+	devel:libboost_random$secondaryArchSuffix = $libVersion
+	devel:libboost_regex$secondaryArchSuffix = $libVersion
+	devel:libboost_serialization$secondaryArchSuffix = $libVersion
+	devel:libboost_stacktrace_basic$secondaryArchSuffix = $libVersion
+	devel:libboost_stacktrace_noop$secondaryArchSuffix = $libVersion
+	devel:libboost_system$secondaryArchSuffix = $libVersion
+	devel:libboost_test_exec_monitor$secondaryArchSuffix = $libVersion
+	devel:libboost_thread$secondaryArchSuffix = $libVersion
+	devel:libboost_timer$secondaryArchSuffix = $libVersion
+	devel:libboost_type_erasure$secondaryArchSuffix = $libVersion
+	devel:libboost_unit_test_framework$secondaryArchSuffix = $libVersion
+	devel:libboost_url$secondaryArchSuffix = $libVersion
+	devel:libboost_wave$secondaryArchSuffix = $libVersion
+	devel:libboost_wserialization$secondaryArchSuffix = $libVersion
+	"
+
+PROVIDES_devel="
+	boost1.85${secondaryArchSuffix}_devel = $portVersion
+	$devel_libs
+	devel:libboost_config$secondaryArchSuffix = $libVersion
+	"
+REQUIRES_devel="
+	boost1.85$secondaryArchSuffix == $portVersion base
+	"
+CONFLICTS_devel="
+	boost169${secondaryArchSuffix}_devel
+	boost170${secondaryArchSuffix}_devel
+	boost1.83${secondaryArchSuffix}_devel
+	"
+
+PROVIDES_docs="
+	boost1.85${secondaryArchSuffix}_docs
+	"
+REQUIRES_docs="
+	boost1.85${secondaryArchSuffix}_devel == $portVersion base
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	devel:libbz2$secondaryArchSuffix
+	devel:libiconv$secondaryArchSuffix
+	devel:libicudata$secondaryArchSuffix >= 75
+	devel:libicui18n$secondaryArchSuffix >= 75
+	devel:libicuuc$secondaryArchSuffix >= 75
+	devel:liblzma$secondaryArchSuffix
+	devel:libz$secondaryArchSuffix
+	devel:libzstd$secondaryArchSuffix
+	"
+BUILD_PREREQUIRES="
+	cmd:addr2line$secondaryArchSuffix
+	cmd:find
+	cmd:gcc$secondaryArchSuffix
+	cmd:ld$secondaryArchSuffix
+	cmd:sed
+	cmd:which
+	"
+
+defineDebugInfoPackage boost1.85$secondaryArchSuffix \
+	"$libDir"/libboost_atomic.so.$portVersion \
+	"$libDir"/libboost_charconv.so.$portVersion \
+	"$libDir"/libboost_chrono.so.$portVersion \
+	"$libDir"/libboost_container.so.$portVersion \
+	"$libDir"/libboost_context.so.$portVersion \
+	"$libDir"/libboost_contract.so.$portVersion \
+	"$libDir"/libboost_coroutine.so.$portVersion \
+	"$libDir"/libboost_date_time.so.$portVersion \
+	"$libDir"/libboost_fiber.so.$portVersion \
+	"$libDir"/libboost_filesystem.so.$portVersion \
+	"$libDir"/libboost_graph.so.$portVersion \
+	"$libDir"/libboost_iostreams.so.$portVersion \
+	"$libDir"/libboost_json.so.$portVersion \
+	"$libDir"/libboost_locale.so.$portVersion \
+	"$libDir"/libboost_log_setup.so.$portVersion \
+	"$libDir"/libboost_log.so.$portVersion \
+	"$libDir"/libboost_nowide.so.$portVersion \
+	"$libDir"/libboost_prg_exec_monitor.so.$portVersion \
+	"$libDir"/libboost_program_options.so.$portVersion \
+	"$libDir"/libboost_random.so.$portVersion \
+	"$libDir"/libboost_regex.so.$portVersion \
+	"$libDir"/libboost_serialization.so.$portVersion \
+	"$libDir"/libboost_stacktrace_basic.so.$portVersion \
+	"$libDir"/libboost_stacktrace_noop.so.$portVersion \
+	"$libDir"/libboost_system.so.$portVersion \
+	"$libDir"/libboost_thread.so.$portVersion \
+	"$libDir"/libboost_timer.so.$portVersion \
+	"$libDir"/libboost_type_erasure.so.$portVersion \
+	"$libDir"/libboost_unit_test_framework.so.$portVersion \
+	"$libDir"/libboost_url.so.$portVersion \
+	"$libDir"/libboost_wave.so.$portVersion \
+	"$libDir"/libboost_wserialization.so.$portVersion
+
+BUILD()
+{
+	./bootstrap.sh \
+		--with-icu \
+		--prefix=$prefix \
+		--exec-prefix=$binDir \
+		--libdir=$libDir \
+		--includedir=$includeDir
+}
+
+
+INSTALL()
+{
+	./b2 -q $jobArgs \
+		--without-graph_parallel \
+		--without-mpi \
+		--without-python \
+		--enable-parallel-mark \
+		--enable-threads=posix \
+		--enable-thread-local-alloc \
+		toolset=gcc \
+		pch=off \
+		inlining=on \
+		threading=multi \
+		variant=release \
+		link=shared \
+		runtime-link=shared \
+		install
+
+	# install documentation
+	mkdir -p $developDocDir
+	cp -r doc/html/* $developDocDir
+
+	prepareInstalledDevelLibs `echo "$devel_libs" | sed -n \
+		-e "s/devel:\(.*\)$secondaryArchSuffix =.*/\1/p"`
+
+	# Correct boost cmake static files
+	# https://github.com/boostorg/boost_install/issues/49
+	for i in $(find $libDir/cmake -name "libboost_*-variant-static.cmake"); do
+		echo "Replacing LIBDIR in $i";
+		sed -i "s%\${_BOOST_LIBDIR}%$prefix/$relativeDevelopLibDir%g" $i;
+	done;
+
+	packageEntries docs \
+		$developDocDir
+
+	packageEntries devel \
+		$developDir \
+		$libDir/cmake
+}
+
+# From Gentoo: the tests will never fail because these are not intended as sanity
+# tests at all.
+# Nuked the tests after 26200 targets were done (and still wasn't finished)
+TEST()
+{
+	cd status
+	../b2 $jobArgs
+}
diff --git a/dev-libs/boost/patches/boost1.85-1.85.0.patchset b/dev-libs/boost/patches/boost1.85-1.85.0.patchset
new file mode 100644
index 000000000..f934aba1d
--- /dev/null
+++ b/dev-libs/boost/patches/boost1.85-1.85.0.patchset
@@ -0,0 +1,287 @@
+From fae517135255aee241f5b2781f71a4ca369b6da0 Mon Sep 17 00:00:00 2001
+From: Adrien Destugues <pulkomandy@gmail.com>
+Date: Sat, 6 Aug 2016 22:27:19 +0200
+Subject: Import changes from 1.55.0: buildtools
+
+
+diff --git a/tools/build/src/engine/jam.h b/tools/build/src/engine/jam.h
+index 4e8ffa6..646c26f 100644
+--- a/tools/build/src/engine/jam.h
++++ b/tools/build/src/engine/jam.h
+@@ -163,6 +163,11 @@
+     #define OS_BEOS
+     #define NO_VFORK
+ #endif
++#ifdef __HAIKU__
++    #define unix
++    #define OSMINOR "OS=HAIKU"
++    #define OS_HAIKU
++#endif
+ #ifdef __bsdi__
+     #define OSMINOR "OS=BSDI"
+     #define OS_BSDI
+-- 
+2.45.2
+
+
+From 1de8a871692781ce8306fa2cb861226692872f6f Mon Sep 17 00:00:00 2001
+From: Adrien Destugues <pulkomandy@gmail.com>
+Date: Sat, 6 Aug 2016 22:27:41 +0200
+Subject: Import changes from 1.55.0: sourcecode
+
+
+diff --git a/boost/thread/detail/platform.hpp b/boost/thread/detail/platform.hpp
+index 172a601..c706e40 100644
+--- a/boost/thread/detail/platform.hpp
++++ b/boost/thread/detail/platform.hpp
+@@ -34,7 +34,7 @@
+ #if ! defined BOOST_THREAD_WIN32
+ #  define BOOST_THREAD_WIN32
+ #endif
+-#elif defined(__BEOS__)
++#elif defined(__BEOS__) || defined(__HAIKU__)
+ #  define BOOST_THREAD_BEOS
+ #elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
+ #  define BOOST_THREAD_MACOS
+-- 
+2.45.2
+
+
+From 256351d4fb07711b464e6294a1e42328e56c9203 Mon Sep 17 00:00:00 2001
+From: Jerome Duval <jerome.duval@gmail.com>
+Date: Sat, 14 Oct 2017 11:47:09 +0200
+Subject: Haiku needs bsd and _BSD_SOURCE.
+
+
+diff --git a/tools/build/src/engine/build.sh b/tools/build/src/engine/build.sh
+index 912c947..9a04222 100755
+--- a/tools/build/src/engine/build.sh
++++ b/tools/build/src/engine/build.sh
+@@ -327,6 +327,22 @@ case "${B2_TOOLSET}" in
+         CXX_VERSION_OPT=${CXX_VERSION_OPT:---version}
+         B2_CXXFLAGS_RELEASE="-O2 -s"
+         B2_CXXFLAGS_DEBUG="-O0 -g"
++
++        CXX=${CXX:=g++}
++        # Check whether it's MinGW GCC, which has Windows headers and none of POSIX ones.
++        machine=$(${CXX} -dumpmachine 2>/dev/null)
++        if [ $? -ne 0 ]; then
++            echo "B2_TOOLSET is gcc, but the 'gcc' command cannot be executed."
++            echo "Make sure 'gcc' is in PATH, or use a different toolset."
++            exit 1
++        fi
++        case $machine in
++        *haiku*)
++        B2_CXX="${CXX} -x c++ -std=c++17"
++        B2_CXXFLAGS_RELEASE="-O2 -s -D_DEFAULT_SOURCE -lbsd"
++        B2_CXXFLAGS_DEBUG="-O0 -g"
++        ;;
++        esac
+     ;;
+ 
+     intel-*)
+-- 
+2.45.2
+
+
+From ed6714cee82b5c3f989a12f15f25947c443ab38a Mon Sep 17 00:00:00 2001
+From: Begasus <begasus@gmail.com>
+Date: Fri, 25 Aug 2023 10:15:17 +0200
+Subject: Add auto_index binary to tools
+
+
+diff --git a/tools/Jamfile.v2 b/tools/Jamfile.v2
+index e1391c7..a580eb1 100644
+--- a/tools/Jamfile.v2
++++ b/tools/Jamfile.v2
+@@ -18,6 +18,7 @@ project
+     ;
+ 
+ TOOLS =
++    auto_index/build//auto_index
+     bcp//bcp
+     inspect/build//inspect
+     quickbook//quickbook
+-- 
+2.45.2
+
+
+From 0b05ba55aeb6ec9445bb8c6be77ec89d9e548007 Mon Sep 17 00:00:00 2001
+From: Begasus <begasus@gmail.com>
+Date: Sun, 27 Aug 2023 19:13:24 +0200
+Subject: Fix missing functions to build libboost_locale
+
+
+diff --git a/boost/config/platform/haiku.hpp b/boost/config/platform/haiku.hpp
+index 04244c5..e22ac4f 100644
+--- a/boost/config/platform/haiku.hpp
++++ b/boost/config/platform/haiku.hpp
+@@ -16,11 +16,6 @@
+ #  define BOOST_HAS_THREADS
+ #endif
+ 
+-#define BOOST_NO_CXX11_HDR_TYPE_TRAITS
+-#define BOOST_NO_CXX11_ATOMIC_SMART_PTR
+-#define BOOST_NO_CXX11_STATIC_ASSERT
+-#define BOOST_NO_CXX11_VARIADIC_MACROS
+-
+ //
+ // thread API's not auto detected:
+ //
+-- 
+2.45.2
+
+
+From 23b7f809396540e0bdd202cdd04d81eb6818c936 Mon Sep 17 00:00:00 2001
+From: Begasus <begasus@gmail.com>
+Date: Mon, 28 Aug 2023 18:08:06 +0200
+Subject: Fix building the tests
+
+
+diff --git a/libs/predef/test/build.jam b/libs/predef/test/build.jam
+index d67d932..6406018 100644
+--- a/libs/predef/test/build.jam
++++ b/libs/predef/test/build.jam
+@@ -12,7 +12,7 @@ project
+     :   requirements
+         # Add explicit dependency since we don't have header scanner for
+         # .m and .mm files.
+-        <dependency>../include/boost/predef.h
++        <dependency>$(BOOST_ROOT)/boost/predef.h
+     ;
+ 
+ using testing ;
+diff --git a/libs/uuid/test/Jamfile.v2 b/libs/uuid/test/Jamfile.v2
+index 023515e..5815a3e 100644
+--- a/libs/uuid/test/Jamfile.v2
++++ b/libs/uuid/test/Jamfile.v2
+@@ -65,12 +65,12 @@ rule test_all
+     all_rules += [ compile compile/decl_header.cpp :
+         <define>"BOOST_UUID_TEST_HEADER=uuid.hpp"
+         <define>"BOOST_UUID_NO_TYPE_TRAITS"
+-        <dependency>../include/boost/uuid/uuid.hpp :
++        <dependency>$(BOOST_ROOT)/boost/uuid/uuid.hpp :
+             compile_uuid_no_type_traits ] ;
+     all_rules += [ compile compile/decl_header.cpp :
+         <define>"BOOST_UUID_TEST_HEADER=uuid.hpp"
+         <define>"BOOST_UUID_NO_SIMD"
+-        <dependency>../include/boost/uuid/uuid.hpp :
++        <dependency>$(BOOST_ROOT)/boost/uuid/uuid.hpp :
+             compile_uuid_no_simd ] ;
+ 
+     # ECHO All rules: $(all_rules) ;
+-- 
+2.45.2
+
+
+From 2a82ec759087b5e7f25afc16df447dc833e39aeb Mon Sep 17 00:00:00 2001
+From: PulkoMandy <pulkomandy@pulkomandy.tk>
+Date: Fri, 13 Jan 2023 21:26:43 +0100
+Subject: Haiku currently doesn't have cfsetspeed
+
+
+diff --git a/boost/asio/impl/serial_port_base.ipp b/boost/asio/impl/serial_port_base.ipp
+index 3fa96fd..76924d4 100644
+--- a/boost/asio/impl/serial_port_base.ipp
++++ b/boost/asio/impl/serial_port_base.ipp
+@@ -114,7 +114,8 @@ BOOST_ASIO_SYNC_OP_VOID serial_port_base::baud_rate::store(
+     ec = boost::asio::error::invalid_argument;
+     BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
+   }
+-# if defined(_BSD_SOURCE) || defined(_DEFAULT_SOURCE)
++# if defined(_BSD_SOURCE) || defined(_DEFAULT_SOURCE) && !defined(__HAIKU__)
++// TODO re-enable this for Haiku once cfsetspeed is implemented (#18220)
+   ::cfsetspeed(&storage, baud);
+ # else
+   ::cfsetispeed(&storage, baud);
+-- 
+2.45.2
+
+
+From 2a1905df2e8b6b2122a6e7ad598ebf0a3a5c2001 Mon Sep 17 00:00:00 2001
+From: Conrad Poelman <cpgithub@stellarscience.com>
+Date: Mon, 3 Aug 2020 18:35:35 -0400
+Subject: Remove deprecated inheritance from std::iterator
+
+
+diff --git a/boost/numeric/ublas/detail/iterator.hpp b/boost/numeric/ublas/detail/iterator.hpp
+index 1723a30..3f5cae8 100644
+--- a/boost/numeric/ublas/detail/iterator.hpp
++++ b/boost/numeric/ublas/detail/iterator.hpp
+@@ -107,8 +107,12 @@ namespace boost { namespace numeric { namespace ublas {
+    * via the post increment operator.
+    */
+     template<class IC, class I, class T>
+-    struct forward_iterator_base:
+-        public std::iterator<IC, T> {
++    struct forward_iterator_base {
++        typedef IC iterator_category;
++        typedef T value_type;
++        typedef std::ptrdiff_t difference_type;
++        typedef T* pointer;
++        typedef T& reference;
+         typedef I derived_iterator_type;
+         typedef T derived_value_type;
+ 
+@@ -145,9 +149,13 @@ namespace boost { namespace numeric { namespace ublas {
+    * via the post increment and post decrement operator.
+    */
+     template<class IC, class I, class T>
+-    struct bidirectional_iterator_base:
+-        public std::iterator<IC, T> {
+-        typedef I derived_iterator_type;
++    struct forward_iterator_base {
++        typedef IC iterator_category;
++        typedef T value_type;
++        typedef std::ptrdiff_t difference_type;
++        typedef T* pointer;
++        typedef T& reference;
++       typedef I derived_iterator_type;
+         typedef T derived_value_type;
+ 
+         // Arithmetic
+@@ -200,8 +208,12 @@ namespace boost { namespace numeric { namespace ublas {
+    */
+     template<class IC, class I, class T, class D = std::ptrdiff_t>
+     // ISSUE the default for D seems rather dangerous as it can easily be (silently) incorrect
+-    struct random_access_iterator_base:
+-        public std::iterator<IC, T> {
++    struct forward_iterator_base {
++        typedef IC iterator_category;
++        typedef T value_type;
++        typedef std::ptrdiff_t difference_type;
++        typedef T* pointer;
++        typedef T& reference;
+         typedef I derived_iterator_type;
+         typedef T derived_value_type;
+         typedef D derived_difference_type;
+-- 
+2.45.2
+
+
+From 59901404fa734a9943310434b5c03f8923d3fc6e Mon Sep 17 00:00:00 2001
+From: Schrijvers Luc <begasus@gmail.com>
+Date: Sat, 6 Jul 2024 17:27:48 +0200
+Subject: build fix for sourcetrail
+
+
+diff --git a/boost/process/detail/posix/is_running.hpp b/boost/process/detail/posix/is_running.hpp
+index 0f86b44..99a13dc 100644
+--- a/boost/process/detail/posix/is_running.hpp
++++ b/boost/process/detail/posix/is_running.hpp
+@@ -17,10 +17,12 @@ namespace boost { namespace process { namespace detail { namespace posix {
+ // This bit arrangement of status codes is not guaranteed by POSIX, but (according to comments in
+ // the glibc <bits/waitstatus.h> header) is the same across systems in practice.
+ constexpr int still_active = 0x017f;
++#if !defined(__HAIKU__)
+ static_assert(WIFSTOPPED(still_active), "Expected still_active to indicate WIFSTOPPED");
+ static_assert(!WIFEXITED(still_active), "Expected still_active to not indicate WIFEXITED");
+ static_assert(!WIFSIGNALED(still_active), "Expected still_active to not indicate WIFSIGNALED");
+ static_assert(!WIFCONTINUED(still_active), "Expected still_active to not indicate WIFCONTINUED");
++#endif
+ 
+ inline bool is_running(int code)
+ {
+-- 
+2.45.2
+