diff --git a/etc/config.csh/adios2 b/etc/config.csh/adios2
index 9fa155c6f7..85e7e80e51 100644
--- a/etc/config.csh/adios2
+++ b/etc/config.csh/adios2
@@ -5,11 +5,10 @@
 #   \\  /    A nd           | www.openfoam.com
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
-#     Copyright (C) 2017-2018 OpenCFD Ltd.
+#     Copyright (C) 2017-2020 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
-#     This file is part of OpenFOAM, licensed under GNU General Public License
-#     <http://www.gnu.org/licenses/>.
+#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
 #
 # File
 #     etc/config.csh/adios2
@@ -22,7 +21,7 @@
 # USER EDITABLE PART: Changes made here may be lost with the next upgrade
 
 set adios2_version=ADIOS2-2.4.0
-setenv ADIOS2_ARCH_PATH $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$adios2_version
+setenv ADIOS2_ARCH_PATH "$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$adios2_version"
 
 # END OF (NORMAL) USER EDITABLE PART
 #------------------------------------------------------------------------------
diff --git a/etc/config.csh/hypre b/etc/config.csh/hypre
index 7f509d1cbc..c3724f9180 100644
--- a/etc/config.csh/hypre
+++ b/etc/config.csh/hypre
@@ -5,11 +5,10 @@
 #   \\  /    A nd           | www.openfoam.com
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
-#     Copyright (C) 2018 OpenCFD Ltd.
+#     Copyright (C) 2018-2020 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
-#     This file is part of OpenFOAM, licensed under GNU General Public License
-#     <http://www.gnu.org/licenses/>.
+#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
 #
 # File
 #     etc/config.csh/hypre
@@ -31,8 +30,8 @@
 #------------------------------------------------------------------------------
 # USER EDITABLE PART: Changes made here may be lost with the next upgrade
 
-set hypre_version=hypre-2.11.2
-setenv HYPRE_ARCH_PATH $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/$hypre_version
+set hypre_version=hypre-2.19.0
+setenv HYPRE_ARCH_PATH "$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/$hypre_version"
 
 # END OF (NORMAL) USER EDITABLE PART
 #------------------------------------------------------------------------------
diff --git a/etc/config.sh/adios2 b/etc/config.sh/adios2
index 3840a1ad4a..0b15b2a5fd 100644
--- a/etc/config.sh/adios2
+++ b/etc/config.sh/adios2
@@ -5,11 +5,10 @@
 #   \\  /    A nd           | www.openfoam.com
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
-#     Copyright (C) 2017-2018 OpenCFD Ltd.
+#     Copyright (C) 2017-2020 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
-#     This file is part of OpenFOAM, licensed under GNU General Public License
-#     <http://www.gnu.org/licenses/>.
+#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
 #
 # File
 #     etc/config.sh/adios2
@@ -23,7 +22,7 @@
 # USER EDITABLE PART: Changes made here may be lost with the next upgrade
 
 adios2_version=ADIOS2-2.4.0
-export ADIOS2_ARCH_PATH=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$adios2_version
+export ADIOS2_ARCH_PATH="$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$adios2_version"
 
 # END OF (NORMAL) USER EDITABLE PART
 #------------------------------------------------------------------------------
@@ -51,7 +50,10 @@ then
     if output="$($WM_PROJECT_DIR/bin/tools/lib-dir -sh $ADIOS2_ARCH_PATH 2>/dev/null)"
     then
         eval "$output"
-        PATH="$ADIOS2_ARCH_PATH/bin:$PATH"
+        if [ -d "$ADIOS2_ARCH_PATH/bin" ]
+        then
+            PATH="$ADIOS2_ARCH_PATH/bin:$PATH"
+        fi
     fi
 
     unset adios2_version output
diff --git a/etc/config.sh/hypre b/etc/config.sh/hypre
index dd0788c6d3..e401b48247 100644
--- a/etc/config.sh/hypre
+++ b/etc/config.sh/hypre
@@ -5,11 +5,10 @@
 #   \\  /    A nd           | www.openfoam.com
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
-#     Copyright (C) 2018 OpenCFD Ltd.
+#     Copyright (C) 2018-2020 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
-#     This file is part of OpenFOAM, licensed under GNU General Public License
-#     <http://www.gnu.org/licenses/>.
+#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
 #
 # File
 #     etc/config.sh/hypre
@@ -28,8 +27,8 @@
 #------------------------------------------------------------------------------
 # USER EDITABLE PART: Changes made here may be lost with the next upgrade
 
-hypre_version=hypre-2.11.2
-export HYPRE_ARCH_PATH=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/$hypre_version
+hypre_version=hypre-2.19.0
+export HYPRE_ARCH_PATH="$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER$WM_PRECISION_OPTION$WM_LABEL_OPTION/$hypre_version"
 
 # END OF (NORMAL) USER EDITABLE PART
 #------------------------------------------------------------------------------
@@ -41,10 +40,22 @@ fi
 if command -v _foamAddLibAuto >/dev/null
 then
     # Normal sourcing (not makeHYPRE)
+
     _foamAddLibAuto $HYPRE_ARCH_PATH
 
     unset hypre_version
 
+elif [ "$1" = "-force" ]
+then
+    # Forced command-line sourcing
+
+    if output="$($WM_PROJECT_DIR/bin/tools/lib-dir -sh $HYPRE_ARCH_PATH 2>/dev/null)"
+    then
+        eval "$output"
+    fi
+
+    unset hypre_version output
 fi
 
+
 #------------------------------------------------------------------------------
diff --git a/wmake/scripts/have_adios2 b/wmake/scripts/have_adios2
index 2283006b4d..8e76d4fa89 100644
--- a/wmake/scripts/have_adios2
+++ b/wmake/scripts/have_adios2
@@ -56,9 +56,7 @@ hint_adios2()
 {
     /bin/cat<<INFORMATION 1>&2
 ==> adios2 not found?
-
-Enable in the OpenFOAM etc/bashrc, define manually or try with the
-following (POSIX shell):
+Define manually, enable in OpenFOAM etc/bashrc, or try the following [POSIX]:
 
     eval \$(foamEtcFile -sh -config adios2 -- -force)
 
@@ -173,6 +171,9 @@ case "$1" in
 -query)
     query_adios2
     ;;
+-hint)
+    hint_adios2
+    ;;
 esac
 
 #------------------------------------------------------------------------------
diff --git a/wmake/scripts/have_hypre b/wmake/scripts/have_hypre
index bfe4c9a766..70f60a78c0 100644
--- a/wmake/scripts/have_hypre
+++ b/wmake/scripts/have_hypre
@@ -22,6 +22,7 @@
 #
 # Functions provided
 #     have_hypre, no_hypre, echo_hypre, query_hypre, search_hypre
+#     hint_hypre
 #
 # Variables set on success
 #     HAVE_HYPRE
@@ -51,6 +52,20 @@ echo_hypre()
 }
 
 
+# Hint for enabling
+hint_hypre()
+{
+    /bin/cat<<INFORMATION 1>&2
+==> hypre not found?
+Define manually, enable in OpenFOAM etc/bashrc, or try the following [POSIX]:
+
+    eval \$(foamEtcFile -sh -config hypre -- -force)
+
+==
+INFORMATION
+}
+
+
 # Search
 # $1 : prefix (*_ARCH_PATH, system, ...)
 #
@@ -114,9 +129,12 @@ have_hypre()
     local config="config.sh/hypre"
     local file
 
-    # Setup - prefer current environment value? (TDB)
-    if [ ! -d "$HYPRE_ARCH_PATH" ]
+    # Setup - prefer current environment value
+    if [ -d "$HYPRE_ARCH_PATH" ] || [ "$HYPRE_ARCH_PATH" = system ]
     then
+        :
+    else
+        # Use config file
         if file="$("$WM_PROJECT_DIR"/bin/foamEtcFile "$config")"
         then
             . "$file"
@@ -161,6 +179,9 @@ case "$1" in
 -query)
     query_hypre
     ;;
+-hint)
+    hint_hypre
+    ;;
 esac
 
 #------------------------------------------------------------------------------
diff --git a/wmake/scripts/have_petsc b/wmake/scripts/have_petsc
index 2524523c75..dd5edc0c01 100644
--- a/wmake/scripts/have_petsc
+++ b/wmake/scripts/have_petsc
@@ -18,6 +18,7 @@
 #
 # Requires
 #     PETSC_ARCH_PATH
+# or  PETSC_DIR, PETSC_ARCH
 # or  config.sh/petsc
 #
 # Functions provided
@@ -57,9 +58,7 @@ hint_petsc()
 {
     /bin/cat<<INFORMATION 1>&2
 ==> petsc not found?
-
-Enable in the OpenFOAM etc/bashrc, define manually or try with the
-following (POSIX shell):
+Define manually, enable in OpenFOAM etc/bashrc, or try the following [POSIX]:
 
     eval \$(foamEtcFile -sh -config petsc -- -force)
 
@@ -71,7 +70,16 @@ INFORMATION
 # On success, return 0 and export variables
 # -> HAVE_PETSC, PETSC_INC_DIR, PETSC_LIB_DIR
 #
-# $1 = prefix (eg, PETSC_ARCH_PATH)
+# $1 = prefix (eg, PETSC_DIR, PETSC_ARCH_PATH)
+# $2 = [arch] (eg, PETSC_ARCH)
+#
+# Gets ugly with in-source installation.
+# 1) In the simple case, petsc is installed with --prefix
+#    we find PREFIX/{include,lib}
+#
+# 2) With in-source installation,
+#    headers in PETSC_DIR/include and PETSC_DIR/PETSC_ARCH/include
+#    library is PETSC_DIR/PETSC_ARCH/lib*
 search_petsc()
 {
     local warn="==> skip petsc"
@@ -80,7 +88,8 @@ search_petsc()
     local pkgName="PETSc"
 
     local prefix="${1:-system}"
-    local header library
+    local arch="$2"
+    local header library includeDirs libraryDirs
 
     # ----------------------------------
     if isNone "$prefix"
@@ -99,34 +108,56 @@ search_petsc()
         # No system header, attempt discovery with pkg-config
         if [ -z "$header" ] && pkg-config --exists "$pkgName" 2>/dev/null
         then
-            header=$(pkg-config --cflags-only-I "$pkgName" | sed -e 's/^-[IL]//')
-            library=$(pkg-config --libs-only-L "$pkgName" | sed -e 's/^-[IL]//')
+            includeDirs=$(pkg-config --cflags-only-I "$pkgName" | sed -e 's/^-[IL]//; s/[ ]-[IL]/ /;')
+            libraryDirs=$(pkg-config --libs-only-L "$pkgName" | sed -e 's/^-[IL]//; s/[ ]-[IL]/ /;')
 
-            prefix="${header%/*}"     # Basename
-
-            # Artifically adjust names (for later)
-            [ -n "$header" ] && header="$header/$incName"
-            [ -n "$library" ] && library="$library/$libName"
+            prefix="${includeDirs% *}"  # First entry (ie, split on space)
+            prefix="${prefix%/*}"       # Basename
         fi
     else
         unset prefix
     fi
     # ----------------------------------
 
-    # Header
-    [ -n "$header" ] || {
-        [ -n "$warn" ] && echo "$warn (no header)"
-        return 2
-    }
+    # Header -> directory
+    if [ -z "$includeDirs" ]
+    then
+        includeDirs="${header%/*}"   # Basename
 
-    # Library
-    [ -n "$library" ] \
-    || library=$(findLibrary -prefix="$prefix" -name="$libName") \
-    || {
-        [ -n "$warn" ] && echo "$warn (no library)"
-        return 2
-    }
+        # Header
+        [ -n "$header" ] || {
+            [ -n "$warn" ] && echo "$warn (no header)"
+            return 2
+        }
+    fi
 
+    # Library -> directory
+    if [ -z "$libraryDirs" ]
+    then
+        if [ -n "$arch" ] && [ -d "$prefix/$arch" ]
+        then
+            # Prepend with petsc-arch/include
+            if [ -d "$prefix/$arch/include" ]
+            then
+                includeDirs="$prefix/$arch/include${includeDirs:+ }$includeDirs"
+            fi
+
+            # Prefer with petsc-arch/lib
+            if [ -z "$library" ]
+            then
+                library=$(findLibrary -prefix="$prefix/$arch" -name="$libName")
+            fi
+        fi
+
+        [ -n "$library" ] \
+        || library=$(findLibrary -prefix="$prefix" -name="$libName") \
+        || {
+            [ -n "$warn" ] && echo "$warn (no library)"
+            return 2
+        }
+
+        libraryDirs="${library%/*}"    # Basename
+    fi
     # ----------------------------------
 
     # TODO: check size of petsc integer vs label, real vs double?
@@ -134,8 +165,8 @@ search_petsc()
     # OK
     export HAVE_PETSC=true
     export PETSC_ARCH_PATH="$prefix"
-    export PETSC_INC_DIR="${header%/*}"     # Basename
-    export PETSC_LIB_DIR="${library%/*}"    # Basename
+    export PETSC_INC_DIR="$includeDirs"
+    export PETSC_LIB_DIR="$libraryDirs"
 }
 
 
@@ -147,9 +178,19 @@ have_petsc()
     local config="config.sh/petsc"
     local file
 
-    # Setup - prefer current environment value? (TDB)
-    if [ ! -d "$PETSC_ARCH_PATH" ]
+    # Setup - prefer current environment value
+    if [ -d "$PETSC_ARCH_PATH" ] || [ "$PETSC_ARCH_PATH" = system ]
     then
+        # OpenFOAM prefix naming, possibly with petsc-arch
+        search_petsc "$PETSC_ARCH_PATH" $PETSC_ARCH
+
+    elif [ -d "$PETSC_DIR" ]
+    then
+        # petsc-dir, petsc-arch naming
+        search_petsc "$PETSC_DIR" $PETSC_ARCH
+
+    else
+        # Use config file
         if file="$("$WM_PROJECT_DIR"/bin/foamEtcFile "$config")"
         then
             . "$file"
@@ -157,9 +198,8 @@ have_petsc()
             [ -n "$warn" ] && echo "$warn (no $config)"
             return 2
         fi
+        search_petsc "$PETSC_ARCH_PATH"
     fi
-
-    search_petsc "$PETSC_ARCH_PATH"
 }
 
 
@@ -194,6 +234,9 @@ case "$1" in
 -query)
     query_petsc
     ;;
+-hint)
+    hint_petsc
+    ;;
 esac
 
 #------------------------------------------------------------------------------