diff --git a/devel/libphonenumber/Makefile b/devel/libphonenumber/Makefile
index 80e6a308b2d4..5e6cdafd4816 100644
--- a/devel/libphonenumber/Makefile
+++ b/devel/libphonenumber/Makefile
@@ -1,34 +1,34 @@
 PORTNAME=	libphonenumber
 DISTVERSIONPREFIX=	v
 DISTVERSION=	9.0.0
+PORTREVISION=	1
 CATEGORIES=	devel
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Library for parsing, formatting, and validating phone numbers
 WWW=		https://github.com/google/libphonenumber
 
 LICENSE=	APACHE20
 
 BUILD_DEPENDS=	googletest>0:devel/googletest
 LIB_DEPENDS=	libabsl_strings.so:devel/abseil \
 		libboost_atomic.so:devel/boost-libs \
 		libicui18n.so:devel/icu \
 		libprotobuf.so:devel/protobuf
 TEST_DEPENDS=	googletest>=0:devel/googletest
 
 USES=		cmake:testing compiler:c++17-lang pkgconfig
 USE_GITHUB=	yes
 GH_ACCOUNT=	google
 
-CMAKE_ON=	USE_POSIX_THREAD \
-		USE_STD_MAP
+CMAKE_ON=	USE_STD_MAP
 CMAKE_OFF=	REGENERATE_METADATA \
 		BUILD_TESTING
 CMAKE_TESTING_TARGET=	tests
 
 WRKSRC_SUBDIR=	cpp
 
 PLIST_SUB=	SHLIB_FULL="8.13" \
 		SHLIB_SHORT="8"
 
 .include <bsd.port.mk>
diff --git a/devel/libphonenumber/files/patch-src_phonenumbers_base_memory_singleton.h b/devel/libphonenumber/files/patch-src_phonenumbers_base_memory_singleton.h
new file mode 100644
index 000000000000..027519d02fb3
--- /dev/null
+++ b/devel/libphonenumber/files/patch-src_phonenumbers_base_memory_singleton.h
@@ -0,0 +1,11 @@
+--- src/phonenumbers/base/memory/singleton.h.orig	2020-06-18 13:06:40 UTC
++++ src/phonenumbers/base/memory/singleton.h
+@@ -22,7 +22,7 @@
+ #elif (__cplusplus >= 201103L) && defined(I18N_PHONENUMBERS_USE_STDMUTEX)
+ // C++11 Lock implementation based on std::mutex.
+ #include "phonenumbers/base/memory/singleton_stdmutex.h"
+-#elif defined(__linux__) || defined(__APPLE__) || defined(I18N_PHONENUMBERS_HAVE_POSIX_THREAD)
++#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(I18N_PHONENUMBERS_HAVE_POSIX_THREAD)
+ #include "phonenumbers/base/memory/singleton_posix.h"
+ #elif defined(WIN32)
+ #include "phonenumbers/base/memory/singleton_win32.h"
diff --git a/devel/libphonenumber/files/patch-src_phonenumbers_base_synchronization_lock.h b/devel/libphonenumber/files/patch-src_phonenumbers_base_synchronization_lock.h
new file mode 100644
index 000000000000..6eece4219c57
--- /dev/null
+++ b/devel/libphonenumber/files/patch-src_phonenumbers_base_synchronization_lock.h
@@ -0,0 +1,11 @@
+--- src/phonenumbers/base/synchronization/lock.h.orig	2020-06-18 13:06:40 UTC
++++ src/phonenumbers/base/synchronization/lock.h
+@@ -22,7 +22,7 @@
+ #elif (__cplusplus >= 201103L) && defined(I18N_PHONENUMBERS_USE_STDMUTEX)
+ // C++11 Lock implementation based on std::mutex.
+ #include "phonenumbers/base/synchronization/lock_stdmutex.h"
+-#elif defined(__linux__) || defined(__APPLE__) || defined(I18N_PHONENUMBERS_HAVE_POSIX_THREAD)
++#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(I18N_PHONENUMBERS_HAVE_POSIX_THREAD)
+ #include "phonenumbers/base/synchronization/lock_posix.h"
+ #elif defined(WIN32)
+ #include "phonenumbers/base/synchronization/lock_win32.h"
diff --git a/devel/libphonenumber/files/patch-src_phonenumbers_base_thread__checker.h b/devel/libphonenumber/files/patch-src_phonenumbers_base_thread__checker.h
new file mode 100644
index 000000000000..e1f2d7dd9691
--- /dev/null
+++ b/devel/libphonenumber/files/patch-src_phonenumbers_base_thread__checker.h
@@ -0,0 +1,20 @@
+--- src/phonenumbers/base/thread_checker.h.orig	2025-02-27 13:36:44 UTC
++++ src/phonenumbers/base/thread_checker.h
+@@ -22,7 +22,7 @@
+ // Note that I18N_PHONENUMBERS_NO_THREAD_SAFETY must be defined only to let the
+ // user of the library know that it can't be used in a thread-safe manner when
+ // it is not depending on Boost.
+-#if !defined(__linux__) && !defined(__APPLE__) && !defined(I18N_PHONENUMBERS_HAVE_POSIX_THREAD) && \
++#if !defined(__linux__) && !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(I18N_PHONENUMBERS_HAVE_POSIX_THREAD) && \
+     !defined(I18N_PHONENUMBERS_NO_THREAD_SAFETY) && \
+ 	!((__cplusplus >= 201103L) && defined(I18N_PHONENUMBERS_USE_STDMUTEX)) && \
+ 	!defined(WIN32)
+@@ -33,7 +33,7 @@
+ #endif
+ 
+ #if !defined(NDEBUG) && !defined(I18N_PHONENUMBERS_USE_BOOST) && \
+-    (defined(__linux__) || defined(__APPLE__) || defined(I18N_PHONENUMBERS_HAVE_POSIX_THREAD))
++    (defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(I18N_PHONENUMBERS_HAVE_POSIX_THREAD))
+ 
+ #include <pthread.h>
+