diff --git a/science/pcmsolver/Makefile b/science/pcmsolver/Makefile
index ff137c88f6ef..0b234b6f90d9 100644
--- a/science/pcmsolver/Makefile
+++ b/science/pcmsolver/Makefile
@@ -1,36 +1,34 @@
 PORTNAME=	pcmsolver
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.3.0
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	API for the Polarizable Continuum Model
 WWW=		https://github.com/PCMSolver/pcmsolver
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BROKEN_FreeBSD_15=	compilation is broken with clang-19, see https://github.com/PCMSolver/pcmsolver/issues/208
-
-USES=		cmake compiler:c11 fortran python
+USES=		cmake compiler:c++14-lang fortran python:build
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	PCMSolver
 
 BINARY_ALIAS=	git=true # see https://github.com/PCMSolver/pcmsolver/issues/198
 
 do-configure: # full CMAKE_ARGS breaks configure: -DCMAKE_EXE_LINKER_FLAGS="${LDFLAGS}" causes configure to fail to find fortran's libraries
 	@${MKDIR} ${CONFIGURE_WRKSRC}
 	@cd ${CONFIGURE_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} \
 			-DCMAKE_BUILD_TYPE:STRING="Release" \
 			-DCMAKE_C_FLAGS_RELEASE:STRING="${CFLAGS}" \
 			-DCMAKE_CXX_FLAGS_RELEASE:STRING="${CXXFLAGS}" \
 			-DCMAKE_C_COMPILER:STRING="${CC}" \
 			-DCMAKE_CXX_COMPILER:STRING="${CXX}" \
 			-DPYTHON_INTERPRETER:STRING="${PYTHON_CMD}" \
 			${CMAKE_SOURCE_PATH}
 
 .include <bsd.port.mk>
diff --git a/science/pcmsolver/files/patch-cmake_custom_compilers_CXXFlags.cmake b/science/pcmsolver/files/patch-cmake_custom_compilers_CXXFlags.cmake
new file mode 100644
index 000000000000..a9bf3aef3f64
--- /dev/null
+++ b/science/pcmsolver/files/patch-cmake_custom_compilers_CXXFlags.cmake
@@ -0,0 +1,8 @@
+--- cmake/custom/compilers/CXXFlags.cmake.orig	2025-10-15 01:10:00 UTC
++++ cmake/custom/compilers/CXXFlags.cmake
+@@ -1,4 +1,4 @@
+-set(CMAKE_CXX_STANDARD 11)
++set(CMAKE_CXX_STANDARD 14)
+ set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
+ set(CMAKE_CXX_EXTENSIONS FALSE)
+ 
diff --git a/science/pcmsolver/files/patch-external_eigen3_include_eigen3_Eigen_src_Core_Transpositions.h b/science/pcmsolver/files/patch-external_eigen3_include_eigen3_Eigen_src_Core_Transpositions.h
new file mode 100644
index 000000000000..ada24c1f6175
--- /dev/null
+++ b/science/pcmsolver/files/patch-external_eigen3_include_eigen3_Eigen_src_Core_Transpositions.h
@@ -0,0 +1,14 @@
+- fix build error with Eigen 3.3.2
+
+
+--- external/eigen3/include/eigen3/Eigen/src/Core/Transpositions.h.orig	2025-10-15 01:10:00 UTC
++++ external/eigen3/include/eigen3/Eigen/src/Core/Transpositions.h
+@@ -384,7 +384,7 @@ class Transpose<TranspositionsBase<TranspositionsDeri
+     const Product<OtherDerived, Transpose, AliasFreeProduct>
+     operator*(const MatrixBase<OtherDerived>& matrix, const Transpose& trt)
+     {
+-      return Product<OtherDerived, Transpose, AliasFreeProduct>(matrix.derived(), trt.derived());
++      return Product<OtherDerived, Transpose, AliasFreeProduct>(matrix.derived(), trt);
+     }
+ 
+     /** \returns the \a matrix with the inverse transpositions applied to the rows.