diff --git a/srcpkgs/boost/patches/0001-compat-glibc-2.34.patch b/srcpkgs/boost/patches/0001-compat-glibc-2.34.patch
new file mode 100644
index 00000000000..e1e5711e59f
--- /dev/null
+++ b/srcpkgs/boost/patches/0001-compat-glibc-2.34.patch
@@ -0,0 +1,23 @@
+From 74fb0a26099bc51d717f5f154b37231ce7df3e98 Mon Sep 17 00:00:00 2001
+From: Rob Boehne <robb@datalogics.com>
+Date: Wed, 20 Nov 2019 11:25:20 -0600
+Subject: [PATCH] Revert change to elide a warning that caused Solaris builds
+ to fail.
+
+---
+ include/boost/thread/pthread/thread_data.hpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/include/boost/thread/pthread/thread_data.hpp b/include/boost/thread/pthread/thread_data.hpp
+index aefbeb43c..bc9b1367a 100644
+--- a/boost/thread/pthread/thread_data.hpp
++++ b/boost/thread/pthread/thread_data.hpp
+@@ -57,7 +57,7 @@ namespace boost
+ #else
+           std::size_t page_size = ::sysconf( _SC_PAGESIZE);
+ #endif
+-#if PTHREAD_STACK_MIN > 0
++#ifdef PTHREAD_STACK_MIN
+           if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
+ #endif
+           size = ((size+page_size-1)/page_size)*page_size;
diff --git a/srcpkgs/boost/patches/0002-compat-glibc-2.34.patch b/srcpkgs/boost/patches/0002-compat-glibc-2.34.patch
new file mode 100644
index 00000000000..baf7c517f8b
--- /dev/null
+++ b/srcpkgs/boost/patches/0002-compat-glibc-2.34.patch
@@ -0,0 +1,30 @@
+From f9d0e594d43afcb4ab0043117249feb266ba4515 Mon Sep 17 00:00:00 2001
+From: Romain Geissler <romain.geissler@amadeus.com>
+Date: Tue, 10 Aug 2021 14:22:28 +0000
+Subject: [PATCH] Fix -Wsign-compare warning with glibc 2.34 on Linux
+ platforms.
+
+In file included from /data/mwrep/res/osp/Boost/21-0-0-0/include/boost/thread/thread_only.hpp:17,
+                 from /data/mwrep/res/osp/Boost/21-0-0-0/include/boost/thread/thread.hpp:12,
+                 from src/GetTest.cpp:12:
+/data/mwrep/res/osp/Boost/21-0-0-0/include/boost/thread/pthread/thread_data.hpp: In member function 'void boost::thread_attributes::set_stack_size(std::size_t)':
+/data/mwrep/res/osp/Boost/21-0-0-0/include/boost/thread/pthread/thread_data.hpp:61:19: error: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'long int' [-Werror=sign-compare]
+   61 |           if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
+      |                   ^
+---
+ include/boost/thread/pthread/thread_data.hpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/include/boost/thread/pthread/thread_data.hpp b/include/boost/thread/pthread/thread_data.hpp
+index bc9b1367a..c43b276d1 100644
+--- a/boost/thread/pthread/thread_data.hpp
++++ b/boost/thread/pthread/thread_data.hpp
+@@ -58,7 +58,7 @@ namespace boost
+           std::size_t page_size = ::sysconf( _SC_PAGESIZE);
+ #endif
+ #ifdef PTHREAD_STACK_MIN
+-          if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
++          if (size<static_cast<std::size_t>(PTHREAD_STACK_MIN)) size=PTHREAD_STACK_MIN;
+ #endif
+           size = ((size+page_size-1)/page_size)*page_size;
+           int res = pthread_attr_setstacksize(&val_, size);
diff --git a/srcpkgs/boost/template b/srcpkgs/boost/template
index e5c4b3dd478..f0c5afcec9e 100644
--- a/srcpkgs/boost/template
+++ b/srcpkgs/boost/template
@@ -1,7 +1,7 @@
 # Template file for 'boost'
 pkgname=boost
 version=1.72.0
-revision=8
+revision=9
 wrksrc="${pkgname}_${version//\./_}"
 hostmakedepends="which bzip2-devel icu-devel python-devel python3-devel"
 makedepends="zlib-devel bzip2-devel icu-devel python-devel python3-devel"