netcdf-c/nc_test4/findplugin.in

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#!/bin/bash
# Define a function that attempts to locate a
# plugin with a given canonical name.
# Assumptions:
# 1. plugins is a top-level directory, possibly in "build"
# Inputs:
# $1 is the canonical name
# $2 is 1 if we are running under cmake
# $3 is 1 if we are running using Visual Studio, blank otherwise
# $4 is the build type; only used if $3 is 1
# Outputs:
# return code is 0 is success, 1 if failed
# Variable HDF5_PLUGIN_LIB is set to the library file name
# Variable HDF5_PLUGIN_DIR is set to the absolute path to the
# directory containing the plugin library file
# Local variables are prefixed with FP_
#
# Note: we assume that the use of the CMAKE_BUILD_TYPE
# is obviated by setting the LIBRARY_OUTPUT_DIRECTORY
# variables: see hdf5plugins/CMakeLists.txt
# Define location of execution
TOPSRCDIR='@abs_top_srcdir@'
TOPBUILDDIR='@abs_top_builddir@'
# Need info from test_common
if test "x$srcdir" = x ; then srcdir=`pwd`; fi
. ${TOPBUILDDIR}/test_common.sh
findpluginext() {
# Infer the expected plugin shared library extension
# Note: will fail if used before plugins is built
# Also assumes that misc filter is always built
# Approach is to use find to see what is in plugins directory.
TSO=`find ${TOPBUILDDIR}/plugins -name '*misc.so'`
TDY=`find ${TOPBUILDDIR}/plugins -name '*misc.dylib'`
TCYG=`find ${TOPBUILDDIR}/plugins -name 'cyg*misc.dll'`
TMING=`find ${TOPBUILDDIR}/plugins -name lib*misc.dll`
TDLL=`find ${TOPBUILDDIR}/plugins -name '*misc.dll'`
if test "x$TSO" != x ; then
FP_PLUGIN_EXT="so"
FP_PLUGIN_PRE="lib__nc"
elif test "x$TDY" != x ; then
FP_PLUGIN_EXT="dylib"
FP_PLUGIN_PRE="lib__nc"
elif test "x$TCYG" != x ; then
FP_PLUGIN_EXT="dll"
FP_PLUGIN_PRE="cyg__nc"
elif test "x$TMING" != x ; then
FP_PLUGIN_EXT="dll"
FP_PLUGIN_PRE="lib__nc"
elif test "x$TDLL" != x ; then
FP_PLUGIN_EXT="dll"
FP_PLUGIN_PRE="__nc"
else # unknown
unset FP_PLUGIN_EXT
unset FP_PLUGIN_PRE
fi
}
findplugindir() {
FP_PLUGIN_DIR=
# Figure out the path to where the lib is stored
# This can probably be simplified
CURWD=`pwd`
cd ${TOPBUILDDIR}/plugins
FP_PLUGINS=`pwd`
cd ${CURWD}
# Case 1: Cmake with Visual Studio
if test "x$FP_ISCMAKE" != x -a "x${FP_ISMSVC}" != x ; then
# Case 1a: ignore the build type directory
if test -e "${FP_PLUGINS}/${FP_PLUGIN_LIB}" ; then
FP_PLUGIN_DIR="${FP_PLUGINS}"
fi
else # Case 2: automake
# Case 2a: look in .libs
if test -e "${FP_PLUGINS}/.libs" ; then
FP_PLUGIN_DIR="${FP_PLUGINS}/.libs"
else # Case 2: look in FP_PLUGINS directly
if test -e "${FP_PLUGINS}" ; then
FP_PLUGIN_DIR="${FP_PLUGINS}"
fi
fi
fi
# Verify
if test "x$FP_PLUGIN_DIR" = x ; then
echo "***Fail: Could not locate a usable HDF5_PLUGIN_DIR"
return 1
fi
# Make local path
FP_PLUGIN_DIR=`${NCPATHCVT} -F $FP_PLUGIN_DIR`
HDF5_PLUGIN_DIR="$FP_PLUGIN_DIR"
}
findplugin() {
FP_NAME="$1"
FP_PLUGIN_LIB=
# Figure out the plugin file name
FP_PLUGIN_LIB="${FP_PLUGIN_PRE}${FP_NAME}.${FP_PLUGIN_EXT}"
# Verify
if ! test -f "$FP_PLUGIN_DIR/$FP_PLUGIN_LIB" ; then
echo "***Fail: Could not locate a usable HDF5_PLUGIN_LIB"
return 1
fi
# Set the final output variables
HDF5_PLUGIN_LIB="$FP_PLUGIN_LIB"
HDF5_PLUGIN_DIR="$FP_PLUGIN_DIR"
return 0
}
# init
unset HDF5_PLUGIN_DIR
findpluginext
findplugindir