f80e839ff4
- ld -r doesn't work with RPATH on OS X. - for GNU ld, the -r option only means 'relocatable', and doesn't affect RPATH. - This adds special handling to omit RPATHs for ld -r on OS X
268 lines
8.0 KiB
Bash
Executable File
268 lines
8.0 KiB
Bash
Executable File
#!/bin/bash
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##############################################################################
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# Copyright (c) 2013, Lawrence Livermore National Security, LLC.
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# Produced at the Lawrence Livermore National Laboratory.
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#
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# This file is part of Spack.
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# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
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# LLNL-CODE-647188
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#
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# For details, see https://github.com/llnl/spack
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# Please also see the LICENSE file for our notice and the LGPL.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License (as published by
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# the Free Software Foundation) version 2.1 dated February 1999.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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# conditions of the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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##############################################################################
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#
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# Spack compiler wrapper script.
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#
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# Compiler commands go through this compiler wrapper in Spack builds.
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# The compiler wrapper is a thin layer around the standard compilers.
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# It enables several key pieces of functionality:
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#
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# 1. It allows Spack to swap compilers into and out of builds easily.
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# 2. It adds several options to the compile line so that spack
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# packages can find their dependencies at build time and run time:
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# -I arguments for dependency /include directories.
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# -L arguments for dependency /lib directories.
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# -Wl,-rpath arguments for dependency /lib directories.
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#
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# This is the list of environment variables that need to be set before
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# the script runs. They are set by routines in spack.build_environment
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# as part of spack.package.Package.do_install().
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parameters="
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SPACK_PREFIX
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SPACK_ENV_PATH
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SPACK_DEBUG_LOG_DIR
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SPACK_COMPILER_SPEC
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SPACK_SHORT_SPEC"
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# The compiler input variables are checked for sanity later:
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# SPACK_CC, SPACK_CXX, SPACK_F77, SPACK_FC
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# Debug flag is optional; set to true for debug logging:
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# SPACK_DEBUG
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# Test command is used to unit test the compiler script.
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# SPACK_TEST_COMMAND
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# Dependencies can be empty for pkgs with no deps:
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# SPACK_DEPENDENCIES
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# die()
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# Prints a message and exits with error 1.
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function die {
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echo "$@"
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exit 1
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}
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for param in $parameters; do
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if [[ -z ${!param} ]]; then
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die "Spack compiler must be run from spack! Input $param was missing!"
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fi
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done
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#
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# Figure out the type of compiler, the language, and the mode so that
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# the compiler script knows what to do.
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#
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# Possible languages are C, C++, Fortran 77, and Fortran 90.
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# 'command' is set based on the input command to $SPACK_[CC|CXX|F77|F90]
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#
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# 'mode' is set to one of:
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# cpp preprocess
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# cc compile
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# as assemble
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# ld link
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# ccld compile & link
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# vcheck version check
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#
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# Depending on the mode, we may or may not add extra rpaths.
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# This variable controls whether they are added.
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add_rpaths=true
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command=$(basename "$0")
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case "$command" in
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cc|c89|c99|gcc|clang|icc|pgcc|xlc)
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command="$SPACK_CC"
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language="C"
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;;
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c++|CC|g++|clang++|icpc|pgc++|xlc++)
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command="$SPACK_CXX"
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language="C++"
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;;
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f90|fc|f95|gfortran|ifort|pgfortran|xlf90|nagfor)
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command="$SPACK_FC"
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language="Fortran 90"
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;;
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f77|gfortran|ifort|pgfortran|xlf|nagfor)
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command="$SPACK_F77"
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language="Fortran 77"
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;;
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cpp)
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mode=cpp
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;;
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ld)
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mode=ld
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# Darwin's linker has a -r argument that merges object files
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# together. It doesn't work with -rpath.
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if [[ $OSTYPE = darwin* ]]; then
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for arg in "$@"; do
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if [ "$arg" = -r ]; then
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add_rpaths=false
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break
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fi
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done
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fi
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;;
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*)
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die "Unkown compiler: $command"
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;;
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esac
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# If any of the arguments below is present then the mode is vcheck. In
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# vcheck mode nothing is added in terms of extra search paths or
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# libraries
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if [ -z "$mode" ]; then
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for arg in "$@"; do
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if [ "$arg" = -v -o "$arg" = -V -o "$arg" = --version -o "$arg" = -dumpversion ]; then
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mode=vcheck
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break
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fi
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done
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fi
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# Finish setting up the mode.
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if [ -z "$mode" ]; then
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mode=ccld
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for arg in "$@"; do
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if [ "$arg" = -E ]; then
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mode=cpp
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break
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elif [ "$arg" = -S ]; then
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mode=as
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break
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elif [ "$arg" = -c ]; then
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mode=cc
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break
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fi
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done
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fi
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# Dump the version and exit if we're in testing mode.
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if [ "$SPACK_TEST_COMMAND" = "dump-mode" ]; then
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echo "$mode"
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exit
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fi
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# Check that at least one of the real commands was actually selected,
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# otherwise we don't know what to execute.
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if [[ -z $command ]]; then
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die "ERROR: Compiler '$SPACK_COMPILER_SPEC' does not support compiling $language programs."
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fi
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if [ "$mode" == vcheck ] ; then
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exec ${command} "$@"
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fi
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# Save original command for debug logging
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input_command="$@"
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args=("$@")
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# Read spack dependencies from the path environment variable
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IFS=':' read -ra deps <<< "$SPACK_DEPENDENCIES"
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for dep in "${deps[@]}"; do
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# Prepend include directories
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if [[ -d $dep/include ]]; then
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if [[ $mode = cpp || $mode = cc || $mode = as || $mode = ccld ]]; then
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args=("-I$dep/include" "${args[@]}")
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fi
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fi
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# Prepend lib and RPATH directories
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if [[ -d $dep/lib ]]; then
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if [[ $mode = ccld ]]; then
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$add_rpaths && args=("-Wl,-rpath,$dep/lib" "${args[@]}")
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args=("-L$dep/lib" "${args[@]}")
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elif [[ $mode = ld ]]; then
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$add_rpaths && args=("-rpath" "$dep/lib" "${args[@]}")
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args=("-L$dep/lib" "${args[@]}")
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fi
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fi
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# Prepend lib64 and RPATH directories
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if [[ -d $dep/lib64 ]]; then
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if [[ $mode = ccld ]]; then
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$add_rpaths && args=("-Wl,-rpath,$dep/lib64" "${args[@]}")
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args=("-L$dep/lib64" "${args[@]}")
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elif [[ $mode = ld ]]; then
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$add_rpaths && args=("-rpath" "$dep/lib64" "${args[@]}")
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args=("-L$dep/lib64" "${args[@]}")
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fi
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fi
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done
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# Include all -L's and prefix/whatever dirs in rpath
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if [[ $mode = ccld ]]; then
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$add_rpaths && args=("-Wl,-rpath,$SPACK_PREFIX/lib" "-Wl,-rpath,$SPACK_PREFIX/lib64" "${args[@]}")
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elif [[ $mode = ld ]]; then
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$add_rpaths && args=("-rpath" "$SPACK_PREFIX/lib" "-rpath" "$SPACK_PREFIX/lib64" "${args[@]}")
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fi
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#
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# Unset pesky environment variables that could affect build sanity.
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#
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unset LD_LIBRARY_PATH
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unset LD_RUN_PATH
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unset DYLD_LIBRARY_PATH
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#
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# Filter '.' and Spack environment directories out of PATH so that
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# this script doesn't just call itself
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#
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IFS=':' read -ra env_path <<< "$PATH"
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IFS=':' read -ra spack_env_dirs <<< "$SPACK_ENV_PATH"
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spack_env_dirs+=("" ".")
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PATH=""
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for dir in "${env_path[@]}"; do
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remove=""
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for rm_dir in "${spack_env_dirs[@]}"; do
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if [[ $dir = $rm_dir ]]; then remove=True; fi
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done
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if [[ -z $remove ]]; then
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PATH="${PATH:+$PATH:}$dir"
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fi
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done
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export PATH
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full_command=("$command" "${args[@]}")
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# In test command mode, write out full command for Spack tests.
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if [[ $SPACK_TEST_COMMAND = dump-args ]]; then
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echo "${full_command[@]}"
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exit
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elif [[ -n $SPACK_TEST_COMMAND ]]; then
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die "ERROR: Unknown test command"
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fi
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#
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# Write the input and output commands to debug logs if it's asked for.
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#
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if [[ $SPACK_DEBUG = TRUE ]]; then
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input_log="$SPACK_DEBUG_LOG_DIR/spack-cc-$SPACK_SHORT_SPEC.in.log"
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output_log="$SPACK_DEBUG_LOG_DIR/spack-cc-$SPACK_SHORT_SPEC.out.log"
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echo "[$mode] $command $input_command" >> $input_log
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echo "[$mode] ${full_command[@]}" >> $output_log
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fi
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exec "${full_command[@]}"
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