COMP: more stringent checks for WM compiler settings (issue #29)

- only export the WM_* settings to their plain counterparts (eg, export CC=$WM_CC) when they actually point to an accessible program This helps in particular when bootstrapping builds with third-party compilers.

COMP: more stringent checks for WM compiler settings (issue #29)
- only export the WM_* settings to their plain counterparts (eg, export CC=$WM_CC) when they actually point to an accessible program This helps in particular when bootstrapping builds with third-party compilers.
f49d26da · Mark OLESEN · 4c049afb · f49d26da · f49d26da · f49d26da
Commit f49d26da authored Jan 03, 2018 by Mark OLESEN
--- a/Allwmake
+++ b/Allwmake
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, licensed under GNU General Public License
@@ -32,13 +32,8 @@ cd ${0%/*} && wmakeCheckPwd "$WM_THIRD_PARTY_DIR" 2>/dev/null || {
 }
 . etc/tools/ThirdPartyFunctions
 #------------------------------------------------------------------------------
-# Compiler/linker settings for CMake/configure
-[ -n "$WM_CC" ]         &&  export CC="$WM_CC"
-[ -n "$WM_CXX" ]        &&  export CXX="$WM_CXX"
-[ -n "$WM_CFLAGS" ]     &&  export CFLAGS="$WM_CFLAGS"
-[ -n "$WM_CXXFLAGS" ]   &&  export CXXFLAGS="$WM_CXXFLAGS"
-[ -n "$WM_LDFLAGS" ]    &&  export LDFLAGS="$WM_LDFLAGS"
-
+exportCompiler true     # Compiler info + flags for CMake/configure
+exportLinker            # Linker flags for CMake/configure
 useGccFlag $@           # Scan arguments for a '-gcc' option

 warnBuildIssues()

--- a/etc/tools/ThirdPartyFunctions
+++ b/etc/tools/ThirdPartyFunctions
@@ -3,7 +3,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, licensed under GNU General Public License
@@ -26,6 +26,35 @@ installBASE=$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER

 unset BUILD_SUFFIX
 #------------------------------------------------------------------------------
+# Export WM compiler settings (and flags) for CMake/configure
+# $1 = true: export compiler flags too
+exportCompiler()
+{
+    if test -n "$WM_CC" && command -v "$WM_CC" >/dev/null
+    then
+        export CC="$WM_CC"
+        if [ "$1" = true -a -n "$WM_CFLAGS" ]
+        then
+            export CFLAGS="$WM_CFLAGS"
+        fi
+    fi
+
+    if test -n "$WM_CXX" && command -v "$WM_CXX" >/dev/null
+    then
+        export CXX="$WM_CXX"
+        if [ "$1" = true -a -n "$WM_CXXFLAGS" ]
+        then
+            export CXXFLAGS="$WM_CXXFLAGS"
+        fi
+    fi
+}
+
+# Export WM linker settings for CMake/configure
+exportLinker()
+{
+    [ -n "$WM_LDFLAGS" ] && export LDFLAGS="$WM_LDFLAGS"
+}
+
 # Force use of gcc/g++
 useGcc()
 {

--- a/makeADIOS
+++ b/makeADIOS
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2016-2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2016-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -52,11 +52,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]         &&  export CC="$WM_CC"
-[ -n "$WM_CXX" ]        &&  export CXX="$WM_CXX"
-[ -n "$WM_CFLAGS" ]     &&  export CFLAGS="$WM_CFLAGS"
-[ -n "$WM_CXXFLAGS" ]   &&  export CXXFLAGS="$WM_CXXFLAGS"
+exportCompiler true     # Compiler info + flags for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeCGAL
+++ b/makeCGAL
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2012-2016 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, licensed under GNU General Public License
@@ -104,12 +104,9 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 unset optHeadersOnly
-
 # Parse options
 while [ "$#" -gt 0 ]
 do

--- a/makeCmake
+++ b/makeCmake
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, licensed under GNU General Public License
@@ -53,9 +53,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 unset optLink
 # Parse options

--- a/makeFFTW
+++ b/makeFFTW
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2016-2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2016-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -66,9 +66,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeGperftools
+++ b/makeGperftools
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2012 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, licensed under GNU General Public License
@@ -51,9 +51,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeLLVM
+++ b/makeLLVM
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, licensed under GNU General Public License
@@ -72,10 +72,8 @@ options:
 USAGE
    exit 1
 }
-#-----------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+#------------------------------------------------------------------------------
+exportCompiler          # Compiler info for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeMETIS
+++ b/makeMETIS
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2017-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -81,9 +81,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeMGridGen
+++ b/makeMGridGen
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2017-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -53,9 +53,7 @@ USAGE
 }

 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeMPICH
+++ b/makeMPICH
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2017-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -77,9 +77,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeMesa
+++ b/makeMesa
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2016-2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2016-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -59,9 +59,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Non-standard location for clang?
 case "$WM_COMPILER_TYPE-$WM_COMPILER" in

--- a/makeOPENMPI
+++ b/makeOPENMPI
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2017-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -80,9 +80,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 unset optMemchecker optThreaded


--- a/makeParaView
+++ b/makeParaView
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, licensed under GNU General Public License
@@ -111,9 +111,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Various building stages
 unset runPATCH runCONFIG runMAKE runINSTALL

--- a/makeQt
+++ b/makeQt
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2016-2018 OpenCFD Ltd.
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM, licensed under GNU General Public License
@@ -44,11 +44,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler/linker settings for CMake/configure
-[ -n "$WM_CC" ]         &&  export CC="$WM_CC"
-[ -n "$WM_CXX" ]        &&  export CXX="$WM_CXX"
-[ -n "$WM_CFLAGS" ]     &&  export CFLAGS="$WM_CFLAGS"
-[ -n "$WM_CXXFLAGS" ]   &&  export CXXFLAGS="$WM_CXXFLAGS"
+exportCompiler true     # Compiler info + flags for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeTecio
+++ b/makeTecio
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2016-2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2016-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -61,9 +61,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Parse options
 while [ "$#" -gt 0 ]

--- a/makeVTK
+++ b/makeVTK
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2016-2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2016-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -95,9 +95,7 @@ USAGE
    exit 1
 }
 #------------------------------------------------------------------------------
-# Compiler settings for CMake/configure
-[ -n "$WM_CC" ]  && export CC="$WM_CC"
-[ -n "$WM_CXX" ] && export CXX="$WM_CXX"
+exportCompiler          # Compiler info for CMake/configure

 # Various building stages
 unset runPATCH runCONFIG runMAKE runINSTALL