diff --git a/packages/flang/0003-fix-missing-CHECK_MSG-macro.patch b/packages/flang/0003-fix-missing-CHECK_MSG-macro.patch
new file mode 100644
index 00000000000..1505de937b4
--- /dev/null
+++ b/packages/flang/0003-fix-missing-CHECK_MSG-macro.patch
@@ -0,0 +1,11 @@
+--- a/flang/include/flang/Common/idioms.h
++++ b/flang/include/flang/Common/idioms.h
+@@ -89,6 +89,8 @@
+ #define CHECK(x) ((x) || (DIE("CHECK(" #x ") failed"), false))
+ // Same as above, but with a custom error message.
+ #define CHECK_MSG(x, y) ((x) || (DIE("CHECK(" #x ") failed: " #y), false))
++#elif !defined(CHECK_MSG)
++#define CHECK_MSG(x, y) CHECK(x)
+ #endif
+ 
+ // User-defined type traits that default to false:
diff --git a/packages/flang/0004-do-not-call-timespec_get.patch b/packages/flang/0004-do-not-call-timespec_get.patch
new file mode 100644
index 00000000000..f2c0594a217
--- /dev/null
+++ b/packages/flang/0004-do-not-call-timespec_get.patch
@@ -0,0 +1,11 @@
+--- a/flang/runtime/time-intrinsic.cpp
++++ b/flang/runtime/time-intrinsic.cpp
+@@ -139,7 +139,7 @@
+   }
+ }
+ 
+-#ifndef _AIX
++#if !defined(_AIX) && !(defined(__ANDROID__) && __ANDROID__ < 29)
+ // This is the fallback implementation, which should work everywhere.
+ template <typename Unused = void>
+ count_t GetSystemClockCount(int kind, fallback_implementation) {
diff --git a/packages/flang/0005-use-libandroid-complex-math.patch b/packages/flang/0005-use-libandroid-complex-math.patch
new file mode 100644
index 00000000000..c5c58cbc37a
--- /dev/null
+++ b/packages/flang/0005-use-libandroid-complex-math.patch
@@ -0,0 +1,26 @@
+--- a/flang/runtime/Float128Math/complex-math.h
++++ b/flang/runtime/Float128Math/complex-math.h
+@@ -34,6 +34,23 @@
+ #elif LDBL_MANT_DIG == 113
+ /* Use 'long double' versions of libm functions. */
+ #include <complex.h>
++#if defined(__ANDROID__) && __ANDROID_API__ < 26
++long double complex cacosl (long double complex);
++long double complex cacoshl(long double complex);
++long double complex casinl (long double complex);
++long double complex casinhl(long double complex);
++long double complex catanl (long double complex);
++long double complex catanhl(long double complex);
++long double complex ccosl  (long double complex);
++long double complex ccoshl (long double complex);
++long double complex cexpl  (long double complex);
++long double complex clogl  (long double complex);
++long double complex cpowl  (long double complex, long double complex);
++long double complex csinl  (long double complex);
++long double complex csinhl (long double complex);
++long double complex ctanl  (long double complex);
++long double complex ctanhl (long double complex);
++#endif
+ 
+ #define CAbs(x) cabsl(x)
+ #define CAcos(x) cacosl(x)
diff --git a/packages/flang/0006-dummy-bessel-functions-for-long-double.patch b/packages/flang/0006-dummy-bessel-functions-for-long-double.patch
new file mode 100644
index 00000000000..89b4b6ddb1c
--- /dev/null
+++ b/packages/flang/0006-dummy-bessel-functions-for-long-double.patch
@@ -0,0 +1,26 @@
+--- a/flang/runtime/Float128Math/math-entries.h
++++ b/flang/runtime/Float128Math/math-entries.h
+@@ -185,9 +185,11 @@
+ DEFINE_SIMPLE_ALIAS(Ilogb, std::ilogb)
+ DEFINE_SIMPLE_ALIAS(Isinf, std::isinf)
+ DEFINE_SIMPLE_ALIAS(Isnan, std::isnan)
++#ifndef __ANDROID__
+ DEFINE_SIMPLE_ALIAS(J0, j0l)
+ DEFINE_SIMPLE_ALIAS(J1, j1l)
+ DEFINE_SIMPLE_ALIAS(Jn, jnl)
++#endif
+ DEFINE_SIMPLE_ALIAS(Ldexp, std::ldexp)
+ DEFINE_SIMPLE_ALIAS(Lgamma, std::lgamma)
+ DEFINE_SIMPLE_ALIAS(Llround, std::llround)
+@@ -204,9 +206,11 @@
+ DEFINE_SIMPLE_ALIAS(Tanh, std::tanh)
+ DEFINE_SIMPLE_ALIAS(Tgamma, std::tgamma)
+ DEFINE_SIMPLE_ALIAS(Trunc, std::trunc)
++#ifndef __ANDROID__
+ DEFINE_SIMPLE_ALIAS(Y0, y0l)
+ DEFINE_SIMPLE_ALIAS(Y1, y1l)
+ DEFINE_SIMPLE_ALIAS(Yn, ynl)
++#endif
+ 
+ // Use numeric_limits to produce infinity of the right type.
+ #define F128_RT_INFINITY \
diff --git a/packages/flang/build.sh b/packages/flang/build.sh
index 68fb47feee4..f206b8721f8 100644
--- a/packages/flang/build.sh
+++ b/packages/flang/build.sh
@@ -3,16 +3,16 @@ TERMUX_PKG_DESCRIPTION="LLVM's Fortran frontend"
 TERMUX_PKG_LICENSE="Apache-2.0"
 TERMUX_PKG_LICENSE_FILE="flang/LICENSE.TXT"
 TERMUX_PKG_MAINTAINER="@termux"
-LLVM_MAJOR_VERSION=18
-TERMUX_PKG_VERSION=${LLVM_MAJOR_VERSION}.1.8
+LLVM_MAJOR_VERSION=19
+TERMUX_PKG_VERSION=${LLVM_MAJOR_VERSION}.1.1
 TERMUX_PKG_SRCURL=https://github.com/llvm/llvm-project/releases/download/llvmorg-$TERMUX_PKG_VERSION/llvm-project-$TERMUX_PKG_VERSION.src.tar.xz
-TERMUX_PKG_SHA256=0b58557a6d32ceee97c8d533a59b9212d87e0fc4d2833924eb6c611247db2f2a
+TERMUX_PKG_SHA256=d40e933e2a208ee142898f85d886423a217e991abbcd42dd8211f507c93e1266
 TERMUX_PKG_AUTO_UPDATE=false
 TERMUX_PKG_HOSTBUILD=true
 # `flang-new` should be rebuilt when libllvm bumps version.
 # See https://github.com/termux/termux-packages/issues/19362
 DEP_QUALIFIER=$TERMUX_PKG_VERSION-$TERMUX_PKG_REVISION
-TERMUX_PKG_DEPENDS="libc++, libllvm (= $DEP_QUALIFIER), clang (= $DEP_QUALIFIER), lld (= $DEP_QUALIFIER), mlir (= $DEP_QUALIFIER)"
+TERMUX_PKG_DEPENDS="libandroid-complex-math-static, libc++, libllvm (= $DEP_QUALIFIER), clang (= $DEP_QUALIFIER), lld (= $DEP_QUALIFIER), mlir (= $DEP_QUALIFIER)"
 TERMUX_PKG_BUILD_DEPENDS="libllvm-static"
 
 # Upstream doesn't support 32-bit arches well. See https://github.com/llvm/llvm-project/issues/57621.
diff --git a/packages/flang/postinst.sh.in b/packages/flang/postinst.sh.in
index ee7c727e3d3..23dff66203a 100644
--- a/packages/flang/postinst.sh.in
+++ b/packages/flang/postinst.sh.in
@@ -13,8 +13,8 @@ generate_module_files() {
     "ieee_exceptions"
     "ieee_features"
     "iso_c_binding"
+    "iso_fortran_env_impl"
     "iso_fortran_env"
-    "omp_lib"
     )
 
     local file
@@ -25,11 +25,12 @@ generate_module_files() {
         cp "$file".mod "$file".f18.mod
     done
 
-    file="__ppc_intrinsics"
-    echo "Generating ${file}.mod..."
-    cd "$TERMUX_PREFIX"/include/flang
-    flang-new -cpp -fsyntax-only --target=ppc64le -module-dir "$TERMUX_PREFIX"/include/flang "$TERMUX_PREFIX"/opt/flang/module/"$file".f90
-    cp "$file".mod "$file".f18.mod
+    for file in "__ppc_intrinsics" "mma"; do
+        echo "Generating ${file}.mod..."
+        cd "$TERMUX_PREFIX"/include/flang
+        flang-new -cpp -fsyntax-only --target=ppc64le -module-dir "$TERMUX_PREFIX"/include/flang "$TERMUX_PREFIX"/opt/flang/module/"$file".f90
+        cp "$file".mod "$file".f18.mod
+    done
 }
 
 generate_module_files
diff --git a/packages/flang/prerm.sh.in b/packages/flang/prerm.sh.in
index 95b1c93853c..8276fc42f89 100644
--- a/packages/flang/prerm.sh.in
+++ b/packages/flang/prerm.sh.in
@@ -8,14 +8,15 @@ cleanup_module_files() {
     "__fortran_type_info"
     "__fortran_ieee_exceptions"
     "__ppc_types"
-    "__ppc_intrinsics"
     "__cuda_builtins"
     "ieee_arithmetic"
     "ieee_exceptions"
     "ieee_features"
     "iso_c_binding"
+    "iso_fortran_env_impl"
     "iso_fortran_env"
-    "omp_lib"
+    "__ppc_intrinsics"
+    "mma"
     )
 
     local file
diff --git a/packages/libllvm/build.sh b/packages/libllvm/build.sh
index bd40c3c6fce..7bed20dd2ab 100644
--- a/packages/libllvm/build.sh
+++ b/packages/libllvm/build.sh
@@ -4,9 +4,9 @@ TERMUX_PKG_LICENSE="Apache-2.0, NCSA"
 TERMUX_PKG_LICENSE_FILE="llvm/LICENSE.TXT"
 TERMUX_PKG_MAINTAINER="@finagolfin"
 # Keep flang version and revision in sync when updating (enforced by check in termux_step_pre_configure).
-LLVM_MAJOR_VERSION=18
-TERMUX_PKG_VERSION=${LLVM_MAJOR_VERSION}.1.8
-TERMUX_PKG_SHA256=0b58557a6d32ceee97c8d533a59b9212d87e0fc4d2833924eb6c611247db2f2a
+LLVM_MAJOR_VERSION=19
+TERMUX_PKG_VERSION=${LLVM_MAJOR_VERSION}.1.1
+TERMUX_PKG_SHA256=d40e933e2a208ee142898f85d886423a217e991abbcd42dd8211f507c93e1266
 TERMUX_PKG_AUTO_UPDATE=false
 TERMUX_PKG_SRCURL=https://github.com/llvm/llvm-project/releases/download/llvmorg-$TERMUX_PKG_VERSION/llvm-project-${TERMUX_PKG_VERSION}.src.tar.xz
 TERMUX_PKG_HOSTBUILD=true
diff --git a/packages/libllvm/clang-include-clang-Driver-Options.td.patch b/packages/libllvm/clang-include-clang-Driver-Options.td.patch
index 06b873daffb..4e705d052f5 100644
--- a/packages/libllvm/clang-include-clang-Driver-Options.td.patch
+++ b/packages/libllvm/clang-include-clang-Driver-Options.td.patch
@@ -3,18 +3,18 @@ index 59e1337599b2..656545555349 100644
 --- a/clang/include/clang/Driver/Options.td
 +++ b/clang/include/clang/Driver/Options.td
 @@ -5370,6 +5370,12 @@
-   Flags<[NoArgumentUnused]>,
-   HelpText<"Do not add -rpath with architecture-specific resource directory to the linker flags. "
-   "When --hip-link is specified, do not add -rpath with HIP runtime library directory to the linker flags">;
+   Visibility<[ClangOption, FlangOption]>,
+   HelpText<"Add -rpath with architecture-specific resource directory to the linker flags. "
+   "When --hip-link is specified, also add -rpath with HIP runtime library directory to the linker flags">;
 +defm openmp_implicit_rpath: BoolFOption<"openmp-implicit-rpath",
 +  LangOpts<"OpenMP">,
 +  DefaultTrue,
 +  PosFlag<SetTrue, [], [ClangOption, CC1Option, FlangOption, FC1Option], "Useless option, for compatibility only">,
 +  NegFlag<SetFalse>,
 +  BothFlags<[NoArgumentUnused]>>;
- def offload_add_rpath: Flag<["--"], "offload-add-rpath">,
+ def fno_rtlib_add_rpath: Flag<["-"], "fno-rtlib-add-rpath">,
    Flags<[NoArgumentUnused]>,
-   Alias<frtlib_add_rpath>;
+   Visibility<[ClangOption, FlangOption]>,
 @@ -4879,6 +4879,10 @@ defm spec_constr_count : BooleanFFlag<"spec-constr-count">, Group<clang_ignored_
  defm stack_check : BooleanFFlag<"stack-check">, Group<clang_ignored_f_Group>;
  defm strength_reduce :
diff --git a/packages/libllvm/clang-lib-Driver-ToolChains-CommonArgs.cpp.patch b/packages/libllvm/clang-lib-Driver-ToolChains-CommonArgs.cpp.patch
new file mode 100644
index 00000000000..406c41b3373
--- /dev/null
+++ b/packages/libllvm/clang-lib-Driver-ToolChains-CommonArgs.cpp.patch
@@ -0,0 +1,12 @@
+--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
++++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
+@@ -1281,6 +1281,9 @@
+       if (AsNeeded)
+         addAsNeededOption(TC, Args, CmdArgs, /*as_needed=*/false);
+     }
++    if (TC.getTriple().isAndroid()) {
++      CmdArgs.push_back("-l:libandroid-complex-math.a");
++    }
+     CmdArgs.push_back("-lFortranRuntime");
+     CmdArgs.push_back("-lFortranDecimal");
+   }
diff --git a/packages/libllvm/clang.subpackage.sh b/packages/libllvm/clang.subpackage.sh
index 4d0f374cdcd..e3a044d3eb7 100644
--- a/packages/libllvm/clang.subpackage.sh
+++ b/packages/libllvm/clang.subpackage.sh
@@ -27,6 +27,7 @@ lib/clang/*/include/openmp_wrappers/
 lib/clang/*/include/orc/
 lib/clang/*/include/ppc_wrappers/
 lib/clang/*/include/profile/
+lib/clang/*/include/zos_wrappers/
 lib/clang/latest
 lib/cmake/clang
 lib/cmake/openmp
@@ -37,6 +38,7 @@ lib/libomp.a
 lib/libscanbuild/
 libexec/
 share/clang
+share/clang-doc
 share/man/man1/clang.1.gz
 share/man/man1/diagtool.1.gz
 share/man/man1/scan-build.1.gz
diff --git a/packages/libllvm/llvm-config.in b/packages/libllvm/llvm-config.in
index 7b073e82cb8..30cae430863 100644
--- a/packages/libllvm/llvm-config.in
+++ b/packages/libllvm/llvm-config.in
@@ -54,7 +54,7 @@ amdgpucodegen amdgpudesc amdgpudisassembler amdgpuinfo amdgputargetmca amdgpuuti
 analysis arc arccodegen arcdesc arcdisassembler arcinfo arm armasmparser armcodegen \
 armdesc armdisassembler arminfo armutils asmparser asmprinter avr avrasmparser \
 avrcodegen avrdesc avrdisassembler avrinfo binaryformat bitreader bitstreamreader \
-bitwriter bpf bpfasmparser bpfcodegen bpfdesc bpfdisassembler bpfinfo cfguard codegen \
+bitwriter bpf bpfasmparser bpfcodegen bpfdesc bpfdisassembler bpfinfo cfguard codegen codegendata \
 codegentypes core coroutines coverage csky cskyasmparser cskycodegen cskydesc cskydisassembler \
 cskyinfo debuginfobtf debuginfocodeview debuginfodwarf debuginfogsym debuginfologicalview \
 debuginfomsf debuginfopdb demangle dlltooldriver dwarflinker dwarflinkerclassic dwarflinkerparallel \
@@ -71,7 +71,7 @@ nativecodegen nvptx nvptxcodegen nvptxdesc nvptxinfo objcarcopts objcopy object
 objectyaml option orcdebugging orcjit orcshared orctargetprocess passes powerpc powerpcasmparser \
 powerpccodegen powerpcdesc powerpcdisassembler powerpcinfo profiledata remarks \
 riscv riscvasmparser riscvcodegen riscvdesc riscvdisassembler riscvinfo riscvtargetmca \
-runtimedyld scalaropts selectiondag sparc sparcasmparser sparccodegen sparcdesc \
+runtimedyld sandboxir scalaropts selectiondag sparc sparcasmparser sparccodegen sparcdesc \
 sparcdisassembler sparcinfo support symbolize systemz systemzasmparser systemzcodegen \
 systemzdesc systemzdisassembler systemzinfo tablegen target targetparser textapi textapibinaryreader \
 transformutils ve veasmparser vecodegen vectorize vedesc vedisassembler veinfo \
@@ -112,9 +112,9 @@ static_libs="-lLLVMWindowsManifest -lLLVMXRay -lLLVMLibDriver -lLLVMDlltoolDrive
 -lLLVMFrontendOpenACC -lLLVMFrontendHLSL -lLLVMExtensions -lPolly -lPollyISL -lLLVMPasses \
 -lLLVMCoroutines -lLLVMipo -lLLVMInstrumentation -lLLVMVectorize -lLLVMLinker \
 -lLLVMFrontendOpenMP -lLLVMDWARFLinkerClassic -lLLVMDWARFLinkerParallel -lLLVMDWARFLinker \
--lLLVMGlobalISel -lLLVMMIRParser -lLLVMAsmPrinter -lLLVMSelectionDAG -lLLVMCodeGen -lLLVMCodeGenTypes \
+-lLLVMGlobalISel -lLLVMMIRParser -lLLVMAsmPrinter -lLLVMSelectionDAG -lLLVMCodeGen -lLLVMCodeGenData -lLLVMCodeGenTypes \
 -lLLVMObjCARCOpts -lLLVMIRPrinter -lLLVMInterfaceStub -lLLVMFileCheck -lLLVMFuzzMutate \
--lLLVMTarget -lLLVMScalarOpts -lLLVMInstCombine -lLLVMAggressiveInstCombine -lLLVMTransformUtils \
+-lLLVMTarget -lLLVMSandboxIR -lLLVMScalarOpts -lLLVMInstCombine -lLLVMAggressiveInstCombine -lLLVMTransformUtils \
 -lLLVMBitWriter -lLLVMAnalysis -lLLVMProfileData -lLLVMSymbolize -lLLVMDebugInfoBTF -lLLVMDebugInfoPDB \
 -lLLVMDebugInfoMSF -lLLVMDebugInfoDWARF -lLLVMObject -lLLVMTextAPI -lLLVMTextAPIBinaryReader -lLLVMMCParser \
 -lLLVMIRReader -lLLVMAsmParser -lLLVMMC -lLLVMDebugInfoCodeView -lLLVMBitReader \
diff --git a/packages/libllvm/llvm.subpackage.sh b/packages/libllvm/llvm.subpackage.sh
index 15569412ef6..d7594b8696c 100644
--- a/packages/libllvm/llvm.subpackage.sh
+++ b/packages/libllvm/llvm.subpackage.sh
@@ -5,6 +5,7 @@ bin/llc
 bin/lli
 bin/llvm!(-jitlink-executor|-PerfectShuffle)
 bin/opt
+bin/reduce-chunk-list
 bin/sancov
 bin/sanstats
 bin/split-file
diff --git a/packages/libllvm/mlir.subpackage.sh b/packages/libllvm/mlir.subpackage.sh
index be5a0f74ae9..dcb0c7f8b21 100644
--- a/packages/libllvm/mlir.subpackage.sh
+++ b/packages/libllvm/mlir.subpackage.sh
@@ -4,8 +4,8 @@ bin/tblgen-lsp-server
 bin/tblgen-to-irdl
 include/mlir*
 lib/cmake/mlir/
-lib/libMLIR.so
-lib/libmlir*so
+lib/libMLIR*.so
+lib/libmlir*.so
 "
 TERMUX_SUBPKG_DESCRIPTION="A Multi-Level Intermediate Representation for compilers from LLVM"
 TERMUX_SUBPKG_DEPENDS="libc++, ncurses"