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If libz or liblzma are detected with pkg-config, AC_CHECK_HEADERS must
not be run because the correct CPPFLAGS aren't set. It is actually not
required have separate checks for LIBXML_ZLIB_ENABLED and HAVE_ZLIB_H.
Only check for LIBXML_ZLIB_ENABLED and remove HAVE_ZLIB_H macro.
Fixes bug 764657, bug 787041.
CFLAGS shouldn't be touched by configure.ac. The variable is supplied by
the user and must come after other flags, so flags like warning options
can be overridden.
Rename CFLAGS to EXTRA_CFLAGS and add the value to AM_CFLAGS. This also
makes it possible to override flags for each Automake program or library.
Use C99 macros NAN, INFINITY, isnan, isinf. If they're not available:
- Assume that (0.0 / 0.0) generates a NaN and !(x == x) tests for NaN.
- Use C89's HUGE_VAL for INFINITY.
Remove manual handling of NaN, infinity and negative zero in functions
xmlXPathValueFlipSign and xmlXPathDivValues.
Remove xmlXPathGetSign. All the tests for negative zero can be replaced
with a test for negative or positive zero.
Simplify xmlXPathRoundFunction.
Remove Trio dependency.
This should work on IEEE 754 compliant implementations even if the C99
macros aren't available, but will likely break some ancient platforms.
If problems arise, my plan is to port the relevant trionan.c solution
to xpath.c. Note that non-compliant implementations are impossible
to fully support, anyway, since XPath requires IEEE 754.
Make sure that all parameters and return values of list callback
functions exactly match the callback function type. This is required
to pass clang's Control Flow Integrity checks and to allow compilation
to asm.js with Emscripten.
Also change the `user` parameter type from `const void *` to `void *`.
Make sure that all parameters and return values of hash callback
functions exactly match the callback function type. This is required
to pass clang's Control Flow Integrity checks and to allow compilation
to asm.js with Emscripten.
Fixes bug 784861.
Introduce xmlPosixStrdup, an internal strdup implementation matching the
POSIX strdup type signature, and update xmlMemStrdup to use it.
Thanks to Vlad Tsyrklevich for the initial patch.
By always setting flush=TRUE when doing multiple reads, ICU
will not correctly handle truncated utf8 chars across read
boundaries.
The fix is to set flush=TRUE only on final read, and to
provide a pivot buffer which is maintained by libxml
between calls to ucnv_convertEx.
I've noticed that easy way of locating a DocBook XSLT in a configure
script of another project doesn't work anymore. It is using something
like: xmlcatalog "" ${DOCBOOK_XSL_URI}/${DOCBOOK_XSL_PATH}. The script
is then forced to a plain, suboptimal search using find utility.
Indeed, I retrospectively realize that the check was working just
by mere accident given that the window this presumably side-effect
was applicable had not lasted long, some 8 months between
054c716ea1
introducing xmlInitializeCatalog in the LIBXML_TEST_VERSION-rooted
call chain, and
f65128f382
reverting that again.
So while one can state /etc/xml/catalog constant explicitly, in
some use cases (such as the mentioned one -- that's why I wanted
to omit stating the full path in the first place), this is rather
an implementation detail, perhaps subject to change from that POV.
Therefore I propose to restore that behaviour in the targeted
manner without global disruptions this time around.
As a side-effect, this fixes indenting of the affected part.
Upgrade timsort.h to revision 05fd77bfec049ce8b7c408c4d3dd2d51ee061a15
from https://github.com/swenson/sort
Removed all code unrelated to Timsort and made minor adjustments for
cross-platform compatibility.
Remove "native" non-Unicode functions which were only needed for
pre-NT systems like Windows 95/98.
Don't redefine `stat` but use `struct _stat` and `_stat()` instead.
Don't include windows.h and wsockcompat.h from config.h but only when
needed.
Don't define _WINSOCKAPI_ manually. This was apparently done to stop
windows.h from including winsock.h which is a problem if winsock2.h
wasn't included first. But on MinGW, this causes compiler warnings.
Define WIN32_LEAN_AND_MEAN instead which has the same effect.
Always use the compiler-defined _WIN32 macro instead of WIN32.
