diff --git a/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-21.0.0_p20250702.ebuild b/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-21.0.0_p20250702.ebuild
index 990bb434e8..ee8706198f 100644
--- a/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-21.0.0_p20250702.ebuild
+++ b/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-21.0.0_p20250702.ebuild
@@ -23,13 +23,16 @@ else
 fi
 
 ALL_LLVM_TARGETS="AArch64 AMDGPU ARC ARM AVR BPF CSKY DirectX Hexagon Lanai LoongArch M68k MSP430 Mips NVPTX PowerPC RISCV SPIRV Sparc SystemZ VE WebAssembly +X86 XCore Xtensa"
-IUSE="+debug +default-reflection-latest +pie"
+IUSE="+debug +default-reflection-latest +pie +static-libs"
 for target in ${ALL_LLVM_TARGETS}; do
 	IUSE+=" ${target%${target#+}}llvm_targets_${target#+}"
 done
 
-# TODO
-RDEPEND="virtual/zlib:="
+RDEPEND="
+	app-arch/zstd:=
+	dev-libs/libxml2:=
+	virtual/zlib:=
+"
 DEPEND="${RDEPEND}"
 
 PATCHES=(
@@ -80,6 +83,11 @@ src_configure() {
 		-DLLVM_LINK_LLVM_DYLIB=ON
 		-DLLVM_ENABLE_PROJECTS="clang"
 		-DLLVM_ENABLE_RUNTIMES="libcxxabi;libcxx"
+		-DRUNTIMES_CMAKE_ARGS="\
+			-DCMAKE_EXE_LINKER_FLAGS=-Wl,-rpath,${BUILD_DIR}/${libdir};\
+			-DCMAKE_SHARED_LINKER_FLAGS=-Wl,-rpath,${BUILD_DIR}/${libdir};\
+			-DCMAKE_BUILD_WITH_INSTALL_RPATH=OFF;\
+			-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=ON"
 		-DLLVM_TARGETS_TO_BUILD="$(IFS=';'; echo "${targets[*]}")"
 		-DLLVM_INCLUDE_BENCHMARKS=OFF
 		-DLLVM_INCLUDE_TESTS=OFF
@@ -92,12 +100,13 @@ src_configure() {
 		-DLLVM_ENABLE_ZLIB=FORCE_ON
 
 		-DLIBCXX_ENABLE_SHARED=ON
-		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_ENABLE_STATIC=$(usex static-libs)
 		-DLIBCXX_CXX_ABI=libcxxabi
 		-DLIBCXX_USE_COMPILER_RT=OFF
 		-DLIBCXX_HAS_GCC_S_LIB=OFF
 		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
 		-DLIBCXX_INCLUDE_TESTS=OFF
+		-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
 		-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
 		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
 
diff --git a/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-21.0.0_p20260204.ebuild b/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-21.0.0_p20260204.ebuild
index 9ad4e9fbe8..8002b16aef 100644
--- a/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-21.0.0_p20260204.ebuild
+++ b/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-21.0.0_p20260204.ebuild
@@ -23,13 +23,16 @@ else
 fi
 
 ALL_LLVM_TARGETS="AArch64 AMDGPU ARC ARM AVR BPF CSKY DirectX Hexagon Lanai LoongArch M68k MSP430 Mips NVPTX PowerPC RISCV SPIRV Sparc SystemZ VE WebAssembly +X86 XCore Xtensa"
-IUSE="+debug +default-reflection-latest +pie"
+IUSE="+debug +default-reflection-latest +pie +static-libs"
 for target in ${ALL_LLVM_TARGETS}; do
 	IUSE+=" ${target%${target#+}}llvm_targets_${target#+}"
 done
 
-# TODO
-RDEPEND="virtual/zlib:="
+RDEPEND="
+	app-arch/zstd:=
+	dev-libs/libxml2:=
+	virtual/zlib:=
+"
 DEPEND="${RDEPEND}"
 
 PATCHES=(
@@ -80,6 +83,11 @@ src_configure() {
 		-DLLVM_LINK_LLVM_DYLIB=ON
 		-DLLVM_ENABLE_PROJECTS="clang"
 		-DLLVM_ENABLE_RUNTIMES="libcxxabi;libcxx"
+		-DRUNTIMES_CMAKE_ARGS="\
+			-DCMAKE_EXE_LINKER_FLAGS=-Wl,-rpath,${BUILD_DIR}/${libdir};\
+			-DCMAKE_SHARED_LINKER_FLAGS=-Wl,-rpath,${BUILD_DIR}/${libdir};\
+			-DCMAKE_BUILD_WITH_INSTALL_RPATH=OFF;\
+			-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=ON"
 		-DLLVM_TARGETS_TO_BUILD="$(IFS=';'; echo "${targets[*]}")"
 		-DLLVM_INCLUDE_BENCHMARKS=OFF
 		-DLLVM_INCLUDE_TESTS=OFF
@@ -92,12 +100,13 @@ src_configure() {
 		-DLLVM_ENABLE_ZLIB=FORCE_ON
 
 		-DLIBCXX_ENABLE_SHARED=ON
-		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_ENABLE_STATIC=$(usex static-libs)
 		-DLIBCXX_CXX_ABI=libcxxabi
 		-DLIBCXX_USE_COMPILER_RT=OFF
 		-DLIBCXX_HAS_GCC_S_LIB=OFF
 		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
 		-DLIBCXX_INCLUDE_TESTS=OFF
+		-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
 		-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
 		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
 
diff --git a/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-9999.ebuild b/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-9999.ebuild
index 932d2ff402..c6477c9e7c 100644
--- a/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-9999.ebuild
+++ b/sys-devel/clang-bloomberg-p2996/clang-bloomberg-p2996-9999.ebuild
@@ -23,13 +23,16 @@ else
 fi
 
 ALL_LLVM_TARGETS="AArch64 AMDGPU ARC ARM AVR BPF CSKY DirectX Hexagon Lanai LoongArch M68k MSP430 Mips NVPTX PowerPC RISCV SPIRV Sparc SystemZ VE WebAssembly +X86 XCore Xtensa"
-IUSE="+debug +default-reflection-latest +pie"
+IUSE="+debug +default-reflection-latest +pie +static-libs"
 for target in ${ALL_LLVM_TARGETS}; do
 	IUSE+=" ${target%${target#+}}llvm_targets_${target#+}"
 done
 
-# TODO
-RDEPEND="virtual/zlib:="
+RDEPEND="
+	app-arch/zstd:=
+	dev-libs/libxml2:=
+	virtual/zlib:=
+"
 DEPEND="${RDEPEND}"
 
 PATCHES=(
@@ -80,6 +83,11 @@ src_configure() {
 		-DLLVM_LINK_LLVM_DYLIB=ON
 		-DLLVM_ENABLE_PROJECTS="clang"
 		-DLLVM_ENABLE_RUNTIMES="libcxxabi;libcxx"
+		-DRUNTIMES_CMAKE_ARGS="\
+			-DCMAKE_EXE_LINKER_FLAGS=-Wl,-rpath,${BUILD_DIR}/${libdir};\
+			-DCMAKE_SHARED_LINKER_FLAGS=-Wl,-rpath,${BUILD_DIR}/${libdir};\
+			-DCMAKE_BUILD_WITH_INSTALL_RPATH=OFF;\
+			-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=ON"
 		-DLLVM_TARGETS_TO_BUILD="$(IFS=';'; echo "${targets[*]}")"
 		-DLLVM_INCLUDE_BENCHMARKS=OFF
 		-DLLVM_INCLUDE_TESTS=OFF
@@ -92,12 +100,13 @@ src_configure() {
 		-DLLVM_ENABLE_ZLIB=FORCE_ON
 
 		-DLIBCXX_ENABLE_SHARED=ON
-		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_ENABLE_STATIC=$(usex static-libs)
 		-DLIBCXX_CXX_ABI=libcxxabi
 		-DLIBCXX_USE_COMPILER_RT=OFF
 		-DLIBCXX_HAS_GCC_S_LIB=OFF
 		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
 		-DLIBCXX_INCLUDE_TESTS=OFF
+		-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
 		-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
 		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF