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ENH: support FOAM_MODULE_PREFIX to guide location of module builds (#1721)

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- When compiling additional modules or user code, we need more control
  for the installation locations beyond the usual FOAM_USER_LIBBIN,
  FOAM_SITE_LIBBIN, FOAM_LIBBIN, and wish to have these values be
  modifiable without editing files.

- provide wmake rules for handling standard defaults:
    * GENERAL_RULES/module-path-user
    * GENERAL_RULES/module-path-group
    * GENERAL_RULES/module-path-project
  which are incorporated as follows:

  Make/options:
      include $(GENERAL_RULES)/module-path-user

  Make/files:
      LIB = $(FOAM_MODULE_LIBBIN)/libMyLibrary

  By default these would compile into FOAM_USER_{APPBIN,LIBBIN} but
  could be adjusted at compilation time. For example,

```
wmake -module-prefix=/path/my-install-location
```
Or
```
./Allwmake -module-prefix=/path/my-install-location
./Allwmake -prefix=/path/my-install-location
```
Or
```
FOAM_MODULE_PREFIX=/path/my-install-location ./Allwmake
```

ENH: add -no-recursion option for AllwmakeParseArguments

- more descriptive naming than the -fromWmake option (still supported)

- remove wmake/scripts/wmake.{cmake,wmake}-args since the -prefix
  handling and -no-recursion is now directly handled by AllwmakeParseArguments
This commit is contained in:
Mark Olesen 2020-06-08 13:51:26 +02:00
parent 0f27a540be
commit 934d0bd743
15 changed files with 241 additions and 227 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Allwmake
View File

@ -73,7 +73,12 @@ echo
applications/Allwmake $targetType $*
# Additional components/modules
if [ -d "$WM_PROJECT_DIR/modules" ]
if [ "$FOAM_MODULE_PREFIX" = false ]
then
echo "========================================"
echo "OpenFOAM modules disabled (prefix=false)"
echo
elif [ -d "$WM_PROJECT_DIR/modules" ]
then
echo "========================================"
echo "Compile OpenFOAM modules"
@ -83,6 +88,10 @@ then
set +e
export WM_CONTINUE_ON_ERROR=true
# Default build into OpenFOAM project locations
: "${FOAM_MODULE_PREFIX:=${FOAM_LIBBIN%/*}}"
export FOAM_MODULE_PREFIX
(cd "$WM_PROJECT_DIR/modules" 2>/dev/null && wmake -all)
fi

3
etc/bashrc
View File

@ -153,7 +153,8 @@ unset FOAM_EXTRA_CFLAGS FOAM_EXTRA_CXXFLAGS FOAM_EXTRA_LDFLAGS
# Capture values of old directories to be cleaned from PATH, LD_LIBRARY_PATH
foamOldDirs="$WM_PROJECT_DIR $WM_THIRD_PARTY_DIR \
$HOME/$WM_PROJECT/$USER $FOAM_USER_APPBIN $FOAM_USER_LIBBIN \
$WM_PROJECT_SITE $FOAM_SITE_APPBIN $FOAM_SITE_LIBBIN"
$WM_PROJECT_SITE $FOAM_SITE_APPBIN $FOAM_SITE_LIBBIN \
$FOAM_MODULE_APPBIN $FOAM_MODULE_LIBBIN"
# [WM_PROJECT_DIR] - Location of this OpenFOAM version
export WM_PROJECT_DIR="$projectDir"

3
etc/config.csh/unset
View File

@ -89,6 +89,9 @@ unsetenv FOAM_EXTRA_CFLAGS FOAM_EXTRA_CXXFLAGS FOAM_EXTRA_LDFLAGS
unsetenv FOAM_EXT_LIBBIN
unsetenv FOAM_JOB_DIR
unsetenv FOAM_LIBBIN
unsetenv FOAM_MODULE_APPBIN
unsetenv FOAM_MODULE_LIBBIN
unsetenv FOAM_MODULE_PREFIX
unsetenv FOAM_MPI
unsetenv FOAM_RUN
unsetenv FOAM_SETTINGS

3
etc/config.sh/unset
View File

@ -76,6 +76,9 @@ unset FOAM_EXTRA_CFLAGS FOAM_EXTRA_CXXFLAGS FOAM_EXTRA_LDFLAGS
unset FOAM_EXT_LIBBIN
unset FOAM_JOB_DIR
unset FOAM_LIBBIN
unset FOAM_MODULE_APPBIN
unset FOAM_MODULE_LIBBIN
unset FOAM_MODULE_PREFIX
unset FOAM_MPI
unset FOAM_RUN
unset FOAM_SETTINGS

6
etc/cshrc
View File

@ -169,6 +169,12 @@ endif
if ( $?FOAM_SITE_LIBBIN ) then
set foamOldDirs="$foamOldDirs $FOAM_SITE_LIBBIN"
endif
if ( $?FOAM_MODULE_APPBIN ) then
set foamOldDirs="$foamOldDirs $FOAM_MODULE_APPBIN"
endif
if ( $?FOAM_MODULE_LIBBIN ) then
set foamOldDirs="$foamOldDirs $FOAM_MODULE_LIBBIN"
endif
# [WM_PROJECT_DIR] - Location of this OpenFOAM version
setenv WM_PROJECT_DIR "$projectDir"

3
src/Pstream/Allwmake-mpi
View File

@ -1,7 +1,6 @@
#!/bin/sh
cd "${0%/*}" || exit # Run from this directory
# No AllwmakeParseArguments [infinite loop via Allwmake]
. ${WM_PROJECT_DIR:?}/wmake/scripts/wmake.wmake-args
. ${WM_PROJECT_DIR:?}/wmake/scripts/AllwmakeParseArguments -no-recursion
. ${WM_PROJECT_DIR:?}/wmake/scripts/wmakeFunctions # Require wmake functions
#------------------------------------------------------------------------------

3
src/parallel/decompose/Allwmake-mpi
View File

@ -1,7 +1,6 @@
#!/bin/sh
cd "${0%/*}" || exit # Run from this directory
# No AllwmakeParseArguments [infinite loop via Allwmake]
. ${WM_PROJECT_DIR:?}/wmake/scripts/wmake.wmake-args
. ${WM_PROJECT_DIR:?}/wmake/scripts/AllwmakeParseArguments -no-recursion
. ${WM_PROJECT_DIR:?}/wmake/scripts/wmakeFunctions # Require wmake functions
. ${WM_PROJECT_DIR:?}/wmake/scripts/have_scotch

21
wmake/rules/General/module-path-group Normal file
View File

@ -0,0 +1,21 @@
# ----------------------------------------------------------------------------
# Set defaults for FOAM_MODULE_APPBIN, FOAM_MODULE_LIBBIN
# based on group locations
#
# FOAM_MODULE_APPBIN ?= FOAM_SITE_APPBIN
# FOAM_MODULE_LIBBIN ?= FOAM_SITE_LIBBIN
#
# See: GENERAL_RULES/module-path-prefix
# ----------------------------------------------------------------------------
include $(GENERAL_RULES)/module-path-prefix
ifeq (,$(strip $(FOAM_MODULE_APPBIN)))
FOAM_MODULE_APPBIN = $(FOAM_SITE_APPBIN)
endif
ifeq (,$(strip $(FOAM_MODULE_LIBBIN)))
FOAM_MODULE_LIBBIN = $(FOAM_SITE_LIBBIN)
endif
# ---------------------------------------------------------------------------

50
wmake/rules/General/module-path-prefix Normal file
View File

@ -0,0 +1,50 @@
# ----------------------------------------------------------------------------
# Set defaults for FOAM_MODULE_APPBIN, FOAM_MODULE_LIBBIN
# based on FOAM_MODULE_PREFIX
#
# FOAM_MODULE_APPBIN ?= FOAM_MODULE_PREFIX/bin
# FOAM_MODULE_LIBBIN ?= FOAM_MODULE_PREFIX/iib
#
# ----------------------------------------------------------------------------
# When compiling additional modules or user code, we need flexibility for
# the installation locations. The project directories may be read-only etc.
#
# For this purpose, introduce three additional make variables:
#
# - FOAM_MODULE_PREFIX - default is unset
# - FOAM_MODULE_APPBIN - default is $(FOAM_MODULE_PREFIX)/bin
# - FOAM_MODULE_LIBBIN - default is $(FOAM_MODULE_PREFIX)/lib
#
# The developer may have an intended default location for a particular module.
#
# For default location 'user':
# Make/options: include $(GENERAL_RULES)/module-path-user
# Make/files: LIB = $(FOAM_MODULE_LIBBIN)/libXYZ
#
# For default location 'group':
# Make/options: include $(GENERAL_RULES)/module-path-group
# Make/files: LIB = $(FOAM_MODULE_LIBBIN)/libXYZ
#
# For default location 'project' (openfoam):
# Make/options: include $(GENERAL_RULES)/module-path-project
# Make/files: LIB = $(FOAM_MODULE_LIBBIN)/libXYZ
#
#
# The module-path-{user,group,project} rules should include module-path-prefix
# first.
#
# ----------------------------------------------------------------------------
ifeq (,$(strip $(FOAM_MODULE_APPBIN)))
ifneq (,$(strip $(FOAM_MODULE_PREFIX)))
FOAM_MODULE_APPBIN = $(strip $(FOAM_MODULE_PREFIX))/bin
endif
endif
ifeq (,$(strip $(FOAM_MODULE_LIBBIN)))
ifneq (,$(strip $(FOAM_MODULE_PREFIX)))
FOAM_MODULE_LIBBIN = $(strip $(FOAM_MODULE_PREFIX))/lib
endif
endif
# ---------------------------------------------------------------------------

21
wmake/rules/General/module-path-project Normal file
View File

@ -0,0 +1,21 @@
# ----------------------------------------------------------------------------
# Set defaults for FOAM_MODULE_APPBIN, FOAM_MODULE_LIBBIN
# based on project locations
#
# FOAM_MODULE_APPBIN ?= FOAM_APPBIN
# FOAM_MODULE_LIBBIN ?= FOAM_LIBBIN
#
# See: GENERAL_RULES/module-path-prefix
# ----------------------------------------------------------------------------
include $(GENERAL_RULES)/module-path-prefix
ifeq (,$(strip $(FOAM_MODULE_APPBIN)))
FOAM_MODULE_APPBIN = $(FOAM_APPBIN)
endif
ifeq (,$(strip $(FOAM_MODULE_LIBBIN)))
FOAM_MODULE_LIBBIN = $(FOAM_LIBBIN)
endif
# ---------------------------------------------------------------------------

21
wmake/rules/General/module-path-user Normal file
View File

@ -0,0 +1,21 @@
# ----------------------------------------------------------------------------
# Set defaults for FOAM_MODULE_APPBIN, FOAM_MODULE_LIBBIN
# based on user locations
#
# FOAM_MODULE_APPBIN ?= FOAM_USER_APPBIN
# FOAM_MODULE_LIBBIN ?= FOAM_USER_LIBBIN
#
# See: GENERAL_RULES/module-path-prefix
# ----------------------------------------------------------------------------
include $(GENERAL_RULES)/module-path-prefix
ifeq (,$(strip $(FOAM_MODULE_APPBIN)))
FOAM_MODULE_APPBIN = $(FOAM_USER_APPBIN)
endif
ifeq (,$(strip $(FOAM_MODULE_LIBBIN)))
FOAM_MODULE_LIBBIN = $(FOAM_USER_LIBBIN)
endif
# ---------------------------------------------------------------------------

74
wmake/scripts/AllwmakeParseArguments
View File

@ -28,9 +28,15 @@
# Parsed options (wmake)
# -debug
# -q | -queue
# -module-prefix=...
# Exports FOAM_MODULE_PREFIX value.
# Unsets FOAM_MODULE_APPBIN, FOAM_MODULE_LIBBIN.
# Handles (user|group|openfoam) or (u|g|o) as per foamEtcFile,
# or absolute/relative paths
#
# Parsed options (special)
# -l | -log | -log=FILE
# -prefix=... same as -module-prefix=...
#
#------------------------------------------------------------------------------
# Check environment
@ -54,11 +60,15 @@ Executing ${0##*/} is equivalent to
wmake -all [OPTIONS]
With these additional options:
-l | -log | -log=name
With additional options:
-l | -log Tee output to log.\$WM_OPTIONS
-log=NAME Tee output to given filename
-prefix=... Identical to wmake -module-prefix
-no-recursion Prevent recursive call (do NOT call 'wmake -all')
-fromWmake Same as -no-recursion
See
wmake -help (or wmake -help-full)
wmake -help (or wmake -help-full)
USAGE
exit 0 # clean exit
@ -69,7 +79,7 @@ USAGE
# Parse the arguments and options
#------------------------------------------------------------------------------
unset fromWmake optDebug optLog optQueue
unset optDebug optLog optNonRecursive optPrefix optQueue
for arg in "$@"
do
@ -80,19 +90,58 @@ do
-h | -help*)
usage
;;
-fromWmake)
# If called from wmake (to avoid recursion)
fromWmake=true
-no-recurs* | -fromWmake)
# Avoid recursion (eg, if called from wmake)
optNonRecursive=true
continue # Handled argument
;;
-prefix=* | -module-prefix=*)
optPrefix="${arg#*=}"
case "$optPrefix" in
# Prefix: user
(u | user)
export FOAM_MODULE_PREFIX="${FOAM_USER_LIBBIN%/*}"
;;
# Prefix: group
(g | group)
export FOAM_MODULE_PREFIX="${FOAM_SITE_LIBBIN%/*}"
;;
# Prefix: openfoam (other)
(o | openfoam)
export FOAM_MODULE_PREFIX="${FOAM_LIBBIN%/*}"
;;
# Prefix: custom (absolute or relative)
(*)
export FOAM_MODULE_PREFIX="$optPrefix"
: "${FOAM_MODULE_PREFIX:=/usr/local}" # Default (autoconf)
# Require absolute path
[ "${FOAM_MODULE_PREFIX#/}" != "${FOAM_MODULE_PREFIX}" ] || \
FOAM_MODULE_PREFIX="${PWD}/${FOAM_MODULE_PREFIX}"
;;
esac
unset FOAM_MODULE_APPBIN FOAM_MODULE_LIBBIN
echo "Module prefix = $FOAM_MODULE_PREFIX" 1>&2
continue # Handled argument
;;
-k | -keep-going | -non-stop)
# Keep going, ignoring errors
export WM_CONTINUE_ON_ERROR=true
continue # Permanently remove arg
;;
-l | -log)
optLog="log.${WM_OPTIONS:-build}"
continue # Permanently remove arg
;;
-log=*)
optLog="${arg##*=}"
if [ -d "$optLog" ]
@ -104,17 +153,20 @@ do
fi
continue # Permanently remove arg
;;
-debug)
optDebug="-debug"
continue # Permanently remove arg
;;
-q | -queue)
optQueue="-queue"
continue # Permanently remove arg
;;
lib | libo | libso | dep | objects)
# Target type
targetType=$arg
targetType="$arg"
;;
esac
@ -127,7 +179,7 @@ done
# Execute wmake -all if not called from wmake
#------------------------------------------------------------------------------
if [ -z "$fromWmake" ]
if [ -z "$optNonRecursive" ]
then
if [ -z "$optLog" ]
then
@ -140,7 +192,7 @@ then
# Need to cleanup after the tee
rc=$? # Error code from tee (not wmake), but not entirely important
echo "Done logging to '$optLog'" 1>&2
exit $rc
exit "$rc"
fi
fi
@ -159,7 +211,7 @@ fi
# Cleanup local variables and functions
#------------------------------------------------------------------------------
unset fromWmake optDebug optLog optQueue
unset optNonRecursive optDebug optLog optPrefix optQueue
unset -f usage

120
wmake/scripts/wmake.cmake-args
View File

@ -1,120 +0,0 @@
#----------------------------------*-sh-*--------------------------------------
# ========= |
# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
# \\ / O peration |
# \\ / A nd | www.openfoam.com
# \\/ M anipulation |
#------------------------------------------------------------------------------
# Copyright (C) 2020 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
# This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
#
# File
# wmake/scripts/wmake.cmake-args
#
# Description
# Special-purpose argument parser (eg, for Allwmake scripts)
# that handles -prefix=... and some other simpler tasks
#
# Usage
# # Parse the arguments by sourcing this script
# . ${WM_PROJECT_DIR:?}/wmake/scripts/wmake.cmake-args
#
# Options
# -prefix=...
# Exports CMAKE_INSTALL_PREFIX value.
# Handles u(ser), g(roup), o(ther) short-cuts (see foamEtcFile),
# absolute or relative paths
#
# -j | -jN | -j N
# Compile using all or specified N cores/hyperthreads
#
#------------------------------------------------------------------------------
# NB: nArgs to track the current processing position to avoid wraparound
# when checking for optional parameters (eg, the -j processing)
nArgs="$#"
for arg in "$@"
do
shift; nArgs="$((nArgs - 1))" # Drop argument
case "$arg" in
# Install prefix: user
-prefix=u | -prefix=user)
export CMAKE_INSTALL_PREFIX="${FOAM_USER_LIBBIN%/*}"
echo "Install prefix = user ($CMAKE_INSTALL_PREFIX)" 1>&2
continue # Handled argument
;;
# Install prefix: group
-prefix=g | -prefix=group)
export CMAKE_INSTALL_PREFIX="${FOAM_SITE_LIBBIN%/*}"
echo "Install prefix = group ($CMAKE_INSTALL_PREFIX)" 1>&2
continue # Handled argument
;;
# Install prefix: other/openfoam
-prefix=o | -prefix=other | -prefix=openfoam)
export CMAKE_INSTALL_PREFIX="${FOAM_LIBBIN%/*}"
echo "Install prefix = openfoam ($CMAKE_INSTALL_PREFIX)" 1>&2
continue # Handled argument
;;
# Install prefix: custom
-prefix=*)
export CMAKE_INSTALL_PREFIX="${arg#*=}"
: "${CMAKE_INSTALL_PREFIX:=/usr/local}" # Default as per autoconf
# Require as absolute path
[ "${CMAKE_INSTALL_PREFIX#/}" != "${CMAKE_INSTALL_PREFIX}" ] || \
CMAKE_INSTALL_PREFIX="${PWD}/${CMAKE_INSTALL_PREFIX}"
echo "Install prefix = $CMAKE_INSTALL_PREFIX" 1>&2
continue # Handled argument
;;
# Parallel compilation (all or specified number of cores)
-j)
export WM_NCOMPPROCS=0
if [ "$nArgs" -gt 0 ]
then
case "$1" in
[0-9]*)
if WM_NCOMPPROCS="$(expr 0 + "$1" 2>/dev/null)"
then
shift; nArgs="$((nArgs - 1))" # Drop argument
fi
;;
esac
fi
if [ "${WM_NCOMPPROCS:=0}" -le 0 ]
then
WM_NCOMPPROCS=$(getconf _NPROCESSORS_ONLN 2>/dev/null) || \
WM_NCOMPPROCS=1
fi
echo "Compiling enabled on $WM_NCOMPPROCS cores" 1>&2
continue # Handled argument
;;
# Parallel compilation (specified number of cores)
-j[0-9]*)
export WM_NCOMPPROCS="${arg#-j}"
if [ "${WM_NCOMPPROCS:=0}" -le 0 ]
then
WM_NCOMPPROCS=$(getconf _NPROCESSORS_ONLN 2>/dev/null) || \
WM_NCOMPPROCS=1
fi
echo "Compiling enabled on $WM_NCOMPPROCS cores" 1>&2
continue # Handled argument
;;
esac
set -- "$@" "$arg" # Reinsert unhandled argument
done
#------------------------------------------------------------------------------

90
wmake/scripts/wmake.wmake-args
View File

@ -1,90 +0,0 @@
#----------------------------------*-sh-*--------------------------------------
# ========= |
# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
# \\ / O peration |
# \\ / A nd | www.openfoam.com
# \\/ M anipulation |
#------------------------------------------------------------------------------
# Copyright (C) 2020 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
# This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
#
# File
# wmake/scripts/wmake.wmake-args
#
# Description
# Reduced argument parser (eg, for scripts using wmake)
# that handles some common parameters
#
# Usage
# # Parse the arguments by sourcing this script
# . ${WM_PROJECT_DIR:?}/wmake/scripts/wmake.wmake-args
#
# Options
# -s | -silent | -quiet
# Exports WM_QUIET=true
#
# -j | -jN | -j N
# Compile using all or specified N cores/hyperthreads
#
#------------------------------------------------------------------------------
# NB: nArgs to track the current processing position to avoid wraparound
# when checking for optional parameters (eg, the -j processing)
nArgs="$#"
for arg in "$@"
do
shift; nArgs="$((nArgs - 1))" # Drop argument
case "$arg" in
# Silent operation
-s | -silent | -quiet)
export WM_QUIET=true
continue # Handled argument
;;
# Parallel compilation (all or specified number of cores)
-j)
export WM_NCOMPPROCS=0
if [ "$nArgs" -gt 0 ]
then
case "$1" in
[0-9]*)
if WM_NCOMPPROCS="$(expr 0 + "$1" 2>/dev/null)"
then
shift; nArgs="$((nArgs - 1))" # Drop argument
fi
;;
esac
fi
if [ "${WM_NCOMPPROCS:=0}" -le 0 ]
then
WM_NCOMPPROCS=$(getconf _NPROCESSORS_ONLN 2>/dev/null) || \
WM_NCOMPPROCS=1
fi
echo "Compiling enabled on $WM_NCOMPPROCS cores" 1>&2
continue # Handled argument
;;
# Parallel compilation (specified number of cores)
-j[0-9]*)
export WM_NCOMPPROCS="${arg#-j}"
if [ "${WM_NCOMPPROCS:=0}" -le 0 ]
then
WM_NCOMPPROCS=$(getconf _NPROCESSORS_ONLN 2>/dev/null) || \
WM_NCOMPPROCS=1
fi
echo "Compiling enabled on $WM_NCOMPPROCS cores" 1>&2
continue # Handled argument
;;
esac
set -- "$@" "$arg" # Reinsert unhandled argument
done
#------------------------------------------------------------------------------

39
wmake/wmake
View File

@ -51,6 +51,7 @@
#
# Environment
# FOAM_EXTRA_CFLAGS FOAM_EXTRA_CXXFLAGS FOAM_EXTRA_LDFLAGS
# FOAM_MODULE_PREFIX
#
# See also
# wmakeLnInclude, wmakeLnIncludeAll, wmakeCollect, wdep, wrmdep, wrmo,
@ -81,6 +82,9 @@ if [ -n "$1" ]
then
cat<<HELP_FULL
-debug Define c++DBUG='-DFULLDEBUG -g -O0' as override
-module-prefix=PATH Specify FOAM_MODULE_PREFIX as absolute/relative path
-module-prefix=TYPE Specify FOAM_MODULE_PREFIX as predefined type
(u,user | g,group | o,openfoam)
-no-scheduler Disable scheduled parallel compilation
-show-api Print api value (from Make rules)
-show-ext-so Print shared library extension (with '.' separator)
@ -140,6 +144,7 @@ Special targets:
Environment
FOAM_EXTRA_CFLAGS FOAM_EXTRA_CXXFLAGS FOAM_EXTRA_LDFLAGS
FOAM_MODULE_PREFIX
HELP_TAIL_FULL
else
@ -226,6 +231,40 @@ do
-debug)
optDebug="-DFULLDEBUG -g -O0"
;;
-module-prefix=*)
optPrefix="${1#*=}"
case "$optPrefix" in
# Prefix: user
(u | user)
export FOAM_MODULE_PREFIX="${FOAM_USER_LIBBIN%/*}"
;;
# Prefix: group
(g | group)
export FOAM_MODULE_PREFIX="${FOAM_SITE_LIBBIN%/*}"
;;
# Prefix: openfoam (other)
(o | openfoam)
export FOAM_MODULE_PREFIX="${FOAM_LIBBIN%/*}"
;;
# Prefix: custom (absolute or relative)
(*)
export FOAM_MODULE_PREFIX="$optPrefix"
: "${FOAM_MODULE_PREFIX:=/usr/local}" # Default (autoconf)
# Require absolute path
[ "${FOAM_MODULE_PREFIX#/}" != "${FOAM_MODULE_PREFIX}" ] || \
FOAM_MODULE_PREFIX="${PWD}/${FOAM_MODULE_PREFIX}"
;;
esac
unset FOAM_MODULE_APPBIN FOAM_MODULE_LIBBIN
echo "Module prefix = $FOAM_MODULE_PREFIX" 1>&2
;;
-show-api | -show-ext-so | \
-show-compile-c | -show-c | -show-cflags | -show-cflags-arch | \
-show-compile-cxx | -show-cxx | -show-cxxflags | -show-cxxflags-arch )