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* especially to improve building on FreeBSD 11
* We need GNU Make, yet alone because Scintilla/Scinterm
needs it. We now document that dependency and added
an Autoconf check from the autoconf-archive.
We make sure that the build process is invoked with GNU make
by generating only GNUmakefiles.
The Makefile.am files have not been renamed, so this
change can be rolled back easily.
* Some GNU-Make-specific autoreconf warnings have still been
resolved. But not all of them, as this would have been
unelegant and we need GNU Make anyway.
* Declare ACLOCAL_AMFLAGS to appease autoreconf
* Added an explicit check for C++11 from the autoconf-archives.
In general we should support building with every C++11 compiler
that is sufficiently GNU-like.
* Do not use `sed` for inplace editing, as different sed-implementations
have mutually incompatible syntax for this.
Instead of declaring and checking a dependency on GNU sed,
we simply use SciTECO for the editing task.
This improves code portability on BSDs.
* Similarily, BSD/POSIX `cmp` is supported now.
This fixes the test suite on BSD without declaring a
dependency on the GNU coreutils.
* Simplified sciteco-wrapper generation.
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escape glob patterns
* globbing is fnmatch(3) compatible, now on every supported platform.
* which means that escaping of glob patterns is possible now.
^ENq has been introduced to ease this task.
* This finally allows you to pass unmodified filenames to EB.
Previously it was impossible to open file names containing glob wildcards.
* this was achieved by moving from GPattern to GRegex as the underlying
implementation.
* The glob pattern is converted to a regular expression before being
compiled to a GRegex.
This turned out to be trickier than anticipated (~140 lines of code)
and has a runtime penalty of course (complexity is O(2*n) over the
pattern length).
It is IMHO still better than the alternatives, like importing
external code from libiberty, which is potentially non-cross-platform.
* Using GRegex also opens the potential of supporting brace "expansions"
later in the form of glob pattern constructs
(they won't actually expand but match alternatives).
* is_glob_pattern() has been simplified and moved to Globber::is_pattern().
It makes sense to reuse the Globber class namespace instead of using
plain functions for functions working on glob patterns.
* The documentation has a new subsection on glob patterns now.
* Testsuite extended with glob pattern test cases
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* Autotest ships with Autoconf, so it's available already
and relatively easy to integrate into an Autotools package.
* This is attached to `make check` using some Automake magic.
* The test suite will only call the built SciTECO for the time being.
But using tests/Makefile.am, custom programs could be easily
built.
* Since it uses the target sciteco, it cannot work in cross-compile
environments.
* The test suite tests/testsuite.at should be used for regression
tests at least: Whenever there is a bug, a test case should be
added to testsuite.at.
Later this might be split up into multiple includes for regressions
other tests.
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