diff --git a/mingw-w64-sundials/PKGBUILD b/mingw-w64-sundials/PKGBUILD
index 534d42e058..0580315eed 100644
--- a/mingw-w64-sundials/PKGBUILD
+++ b/mingw-w64-sundials/PKGBUILD
@@ -37,7 +37,7 @@ depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs"
            "${MINGW_PACKAGE_PREFIX}-superlu_dist"))
 makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-cmake"
-             "${MINGW_PACKAGE_PREFIX}-fc"
+             $([[ ${MINGW_PACKAGE_PREFIX} == *-clang-* ]] || echo "${MINGW_PACKAGE_PREFIX}-fc")
              $([[ "$_enable_mpi" == "yes" ]] && echo "${MINGW_PACKAGE_PREFIX}-msmpi"))
 optdepends=("${MINGW_PACKAGE_PREFIX}-python: for running examples")
 source=(https://github.com/LLNL/sundials/releases/download/v${pkgver}/${_realname}-${pkgver}.tar.gz
@@ -95,6 +95,15 @@ build() {
                     "-DMPI_CXX_COMPILER=${MINGW_PREFIX}/bin/mpicxx.exe")
   fi
 
+  if [[ ${MINGW_PACKAGE_PREFIX} == *-clang-* ]]; then
+    _extra_config+=("-DBUILD_FORTRAN_MODULE_INTERFACE=OFF"
+                    "-DEXAMPLES_ENABLE_F2003=OFF")
+  else
+    _extra_config+=("-DBUILD_FORTRAN_MODULE_INTERFACE=ON"
+                    "-DEXAMPLES_ENABLE_F2003=ON"
+                    "-DFortran_INSTALL_MODDIR=include/sundials/fortran")
+  fi
+
   I_MPI_ROOT="" \
   CFLAGS+=" -Wno-return-type -Wno-deprecated-declarations" \
   LDFLAGS+=" -Wl,--export-all-symbols" \
@@ -103,7 +112,6 @@ build() {
     -D BUILD_ARKODE=ON \
     -D BUILD_CVODE=ON \
     -D BUILD_CVODES=ON \
-    -D BUILD_FORTRAN_MODULE_INTERFACE=ON \
     -D BUILD_IDA=ON \
     -D BUILD_IDAS=ON \
     -D BUILD_KINSOL=ON \
@@ -136,7 +144,6 @@ build() {
     -D ENABLE_XBRAID=OFF \
     -D EXAMPLES_ENABLE_C=ON \
     -D EXAMPLES_ENABLE_CXX=ON \
-    -D EXAMPLES_ENABLE_F2003=ON \
     -D EXAMPLES_INSTALL=ON \
     -D EXAMPLES_INSTALL_PATH=${MINGW_PREFIX}/share/sundials/examples \
     -D LAPACK_LIBRARIES=${MINGW_PREFIX}/lib/libopenblas.dll.a \
@@ -146,7 +153,6 @@ build() {
     -D SUNDIALS_PRECISION=DOUBLE \
     -D SUNDIALS_LAPACK_CASE=LOWER \
     -D SUNDIALS_LAPACK_UNDERSCORES=ONE \
-    -D Fortran_INSTALL_MODDIR=include/sundials/fortran \
     -B build-${MSYSTEM} \
     -S ${_realname}-${pkgver}