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They are supported on all platforms
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Compatibility for cmake version < 3.5 is now deprecated in cmake and
specifing version below 3.5 in cmake_minimum_required produces a
warning.[1]
[1] https://cmake.org/cmake/help/latest/release/3.27.html#deprecated-and-removed-features
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With #1450 which goes with 480cc9d49775d018c19ce0e01f6be27858d63d39 "Remove support for non-C99 compilers (like VS2010) that don't support snprintf()",
support for MSVC versions prior to vs2015 is dropped: https://stackoverflow.com/questions/2915672/snprintf-and-visual-studio-2010
This means that all supported MSVC versions do have `stdint.h` & `inttypes.h` now.
For non windows platforms, those headers were already mandatory.
Make them mandatory for all builds.
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And fix strict-prototypes/missing-prototypes warnings.
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Using CMakePackageConfigHelpers, we can generate a relocatable
OpenJPEGConfig.config, using the PATH_VARS feature to make
CMAKE_INSTALL_LIBDIR relative to the installed location.
This change is needed for me when cross-compiling since
CMAKE_INSTALL_FULL_LIBDIR is a path inside the sysroot rather than
an absolute path to the actual includes. Without this change poppler
ends up passing a -I flag that does not exist.
This includes fallback code for CMake 2.8, which adds a bit of complexity,
since I'm not sure if raising the minimum to 3.0 (now over 8 years old)
is acceptable.
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* Add GNUInstallDirs for standard installation directories
Distributions are given standard variables for already existing hooks.
Multiarch libdirs is taken care of automagically.
Raises minimum cmake version by a little.
* Handle CMAKE_INSTALL_xxx being absolute paths for .pc file generation
In some cases the CMAKE_INSTAL_{BIN,MAN,DOC,LIB,INCLUDE}DIR variables
may turn out to be absolute paths in which case prepending ${prefix} in
the pkg-config .pc files will result in incorrect values.
For .pc file generation, figure out if these variables are absolute and
omit the prefix in the configured file when so.
See: https://github.com/OSGeo/PROJ/commit/ab25e4b7ed9544e668282dcd293cfaaa2e56dbdf
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3.0 (fixes #1404)
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Signed-off-by: Stefan Weil <sw@weilnetz.de>
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easier for downstream consumers to use new features
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thanks to @ePirat, it turns out that !EMSCRIPTEN does not evaluate to 1 on other platforms, so the the #1345 actually disabled the test for all platforms.
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This test should not run on the emscripten platform because of :
https://github.com/emscripten-core/emscripten/blob/dff33368427fba16745c8ce52f11484a67b2855d/cmake/Modules/TestBigEndian.cmake#L5
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By default, CMake assumes that the project is using both C and C++. By
explicitly passing 'C' as argument of the project() macro, we tell CMake
that only C is used, which prevents CMake from erroring out if a C++
compiler doesn't exist.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
[Retrieved (and slightly updated by adding enable_language(CXX) if
WITH_ASTYLE is set) from:
https://git.buildroot.net/buildroot/tree/package/openjpeg/0003-CMakeLists.txt-Don-t-require-a-C-compiler.patch]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Update the bench_dwt utility to have a -decode/-encode switch
Measured performance gains for DWT encoder on a
Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz (4 cores, hyper threaded)
Encoding time:
$ ./bin/bench_dwt -encode -num_threads 1
time for dwt_encode: total = 8.348 s, wallclock = 8.352 s
$ ./bin/bench_dwt -encode -num_threads 2
time for dwt_encode: total = 9.776 s, wallclock = 4.904 s
$ ./bin/bench_dwt -encode -num_threads 4
time for dwt_encode: total = 13.188 s, wallclock = 3.310 s
$ ./bin/bench_dwt -encode -num_threads 8
time for dwt_encode: total = 30.024 s, wallclock = 4.064 s
Scaling is probably limited by memory access patterns causing
memory access to be the bottleneck.
The slightly worse results with threads==8 than with thread==4
is due to hyperthreading being not appropriate here.
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compiler is GCC
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the static lib (#1019)
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Instead of being the full tile size.
* Use a sparse array mechanism to store code-blocks and intermediate stages of
IDWT.
* IDWT, DC level shift and MCT stages are done just on that smaller array.
* Improve copy of tile component array to final image, by saving an intermediate
buffer.
* For full-tile decoding at reduced resolution, only allocate the tile buffer to
the reduced size, instead of the full-resolution size.
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on declaration-after-statement
And remove occurences of unused arguments in src/lib/openjp2
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Use an internal version of astyle (astyle 3.0). Scripts taken from QGIS.
astyle.options from https://github.com/uclouvain/openjpeg/issues/128
scripts/prepare-commit.sh can be used locally to automatically reformat
edited files.
Travis-CI will run scripts/verify-indentation.sh to verify committed files.
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Fix #831
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Inspired from https://github.com/InsightSoftwareConsortium/ITK/blob/master/Utilities/Maintenance/HowToCreateTheCMakeCaseConversion.txt
This needs vim 7.3 and fails with vim 7.4
This also fixes a number of :
- missing empty line at end of files
- useless space at end of lines
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posix_memalign is only declared conditionally in stdlib.h,
so add one of the possible definitions to get the declaration.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
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Fix repository for JPEG2000 test data
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The data is now maintained in a git repository on Github.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
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issue #488
See also
http://public.kitware.com/pipermail/cmake/2015-April/060479.html
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issue 443)
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Fixes issue 340
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Also declare this is 2.1.0 (or very close)
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avoid expose unused variables into the public API.
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