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configure script: add a stub implementation for the --config-cache argument

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so far, it is only a flag which prevents the cache from being
deleted. To warn the user about a potential infinite loop, a warning
is printed if this flag was specified and some compiler or some compiler
flags were set by the user. This idea was proposed by Roland Kaufmann.
This commit is contained in:
Andreas Lauser 2013-11-13 15:21:39 +01:00 committed by Bård Skaflestad
parent ba4c7400ba
commit 5e73968b57
1 changed files with 11 additions and 3 deletions
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14
cmake/Scripts/configure vendored
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@ -168,6 +168,9 @@ for OPT in "$@"; do
OPTARG=${OPT#--} OPTARG=${OPT#--}
# OPTARG now contains everything after double dashes # OPTARG now contains everything after double dashes
case "${OPTARG}" in case "${OPTARG}" in
config-cache*)
config_cache="1"
;;
src-dir=*) src-dir=*)
# allow the user to use these build macros for another # allow the user to use these build macros for another
# project (so source-dir is not relative to us) # project (so source-dir is not relative to us)
@ -514,9 +517,14 @@ done
# loop if variables that require a full regeneration of the cache are # loop if variables that require a full regeneration of the cache are
# set (most notably 'CXX' and 'CXX_FLAGS'). # set (most notably 'CXX' and 'CXX_FLAGS').
# For more details, see http://www.cmake.org/Bug/view.php?id=14119 # For more details, see http://www.cmake.org/Bug/view.php?id=14119
echo "--- deleting previous CMake files ---" if test "$config_cache" = ""; then
rm -rf CMakeFiles echo "--- deleting previous CMake files ---"
rm -f CMakeCache.txt rm -rf CMakeFiles
rm -f CMakeCache.txt
elif test "$c_compiler$c_opts$cxx_compiler$cxx_opts$fort_compiler$fort_opts" != ""; then
echo "--- WARNING '--config-cache' option specified but a compiler was set"
echo "--- from the command line. This may lead to an infinite loop!"
fi
# pass everything on to CMake # pass everything on to CMake
CMDLINE="${ENVVARS}${CMAKE_COMMAND} \"${srcdir}\" ${use_ninja}\"-DCMAKE_INSTALL_PREFIX=$prefix\"${buildtype}${pch_use}${silent_rules}${debug_loc}${use_openmp}${use_mpi}${use_lto}${use_runpath}${use_tests}${use_samples}${use_underscoring}${c_compiler}${c_opts}${cxx_compiler}${cxx_opts}${fort_compiler}${fort_opts}${boost_opts}${buildname}${site} ${FEATURES}" CMDLINE="${ENVVARS}${CMAKE_COMMAND} \"${srcdir}\" ${use_ninja}\"-DCMAKE_INSTALL_PREFIX=$prefix\"${buildtype}${pch_use}${silent_rules}${debug_loc}${use_openmp}${use_mpi}${use_lto}${use_runpath}${use_tests}${use_samples}${use_underscoring}${c_compiler}${c_opts}${cxx_compiler}${cxx_opts}${fort_compiler}${fort_opts}${boost_opts}${buildname}${site} ${FEATURES}"