Add fmt and gmp flags

.github/workflows/ci.yml

@@ -16,9 +16,12 @@ env:
       -DF77=true
       -DDUNE_COPASI_SD_EXECUTABLE=ON
       -DDUNE_COPASI_MD_EXECUTABLE=ON
-      -DCMAKE_INSTALL_PREFIX:PATH=${INSTALL_PREFIX}/dune
+      -DCMAKE_INSTALL_PREFIX:PATH='${INSTALL_PREFIX}/dune'
       -DCMAKE_PREFIX_PATH='${INSTALL_PREFIX}/dune;${INSTALL_PREFIX}'
       -DGMPXX_INCLUDE_DIR:PATH='${INSTALL_PREFIX}/include'
+      -DGMPXX_LIB:FILEPATH='${INSTALL_PREFIX}/lib/libgmpxx.a'
+      -DGMP_LIB:FILEPATH='${INSTALL_PREFIX}/lib/libgmp.a'
+      -Dfmt_ROOT:PATH='${INSTALL_PREFIX}'
       -DUSE_FALLBACK_FILESYSTEM=${USE_FALLBACK_FILESYSTEM}
       -DDUNE_PYTHON_VIRTUALENV_SETUP=${SETUP_DUNE_TESTTOOLS}
       -DDUNE_PYTHON_ALLOW_GET_PIP=${SETUP_DUNE_TESTTOOLS}