With this patch dunecontrol will work even if the path to the module
contains spaces. Unfortunately, the tests for dune modules will still
not work as I could not figure out how to use quoting in the CPP_FLAGS.

not available in older bash versions.

[[Imported from SVN: r7462]]

this was the other way around.

[[Imported from SVN: r7458]]

[[Imported from SVN: r7457]]

less interference.

[[Imported from SVN: r7456]]

fix incompatibility with mawk

- explicitly state list of whitespaces
- patch by Ansgar Burchardt

[[Imported from SVN: r7452]]

[[Imported from SVN: r7449]]

translating options for provided for configure to CMake syntax.

[[Imported from SVN: r7448]]

At least on Debian CMAKE_INSTALL_LIBDIR is the multiarch libdir.

[[Imported from SVN: r7411]]

Fixes flyspray 1260.
PLEASE REVIEW!


[[Imported from SVN: r7387]]

[[Imported from SVN: r7124]]

[[Imported from SVN: r6988]]

[[Imported from SVN: r6892]]

[[Imported from SVN: r6890]]

improve error message for invalid module names

[[Imported from SVN: r6881]]

[[Imported from SVN: r6873]]

[[Imported from SVN: r6872]]

actually depmode and mainmode where the same... only compute one of them

[[Imported from SVN: r6859]]

only update the module mode if it not DEPS, which is the

[[Imported from SVN: r6858]]

documentation for _search_module

[[Imported from SVN: r6857]]

cleaner eval/test statements

[[Imported from SVN: r6856]]

just search any module (dependencies and suggestions)
and do the splitting of DEPS and SUGS list afterwards
=> make sure a module is not listed twice

[[Imported from SVN: r6855]]

don't stop the dependency tracking if suggestion is missing,
just skip this single entry

[[Imported from SVN: r6851]]

tell the user that we skip a suggestion

[[Imported from SVN: r6850]]

add support to run the dependencies in revers order
(necessarry for "make distclean")

[[Imported from SVN: r6849]]

refactored _check_deps handled missing SUGS as fatal error.
now we just ignore SUSG which are not present or don't match the
required version

[[Imported from SVN: r6848]]

sorting modules:
distinguish between the MAIN pass and DEPS/SUGS

[[Imported from SVN: r6847]]

put path into double-ticks to allow spaces etc.

[[Imported from SVN: r6844]]

fix broken assignment after changing the naming of SORT_*_DONE_*

[[Imported from SVN: r6843]]

fix reset of SORT_*_DONE_* flags after changing the naming scheme

[[Imported from SVN: r6842]]

replay FOUNDMODULES when calling find_modules_in_path a second time

[[Imported from SVN: r6841]]

export module name to make --current work properly again

[[Imported from SVN: r6839]]

avoid parsing suggestions twice

[[Imported from SVN: r6836]]

fix DEPS and SUGS check invocation

[[Imported from SVN: r6834]]

for some straneg reason the variable module can not be local...

[[Imported from SVN: r6833]]