graphviz-2.47.0 (moved to gitlab)

[Xi Ruoyao]

​https://gitlab.com/graphviz/graphviz/-/archive/2.47.0/graphviz-2.47.0.tar.gz

Reported by Maurice van der Stee on blfs-support.

[Douglas R. Reno]

2.46.0

## [2.46.0] - 2021-01-18

### Added
- Cgraph's agxbuf API gained a new function agxbdisown(), for dissociating
  backing memory from the managed buffer
- Build system support for the Elbrus 2000 CPU, thanks to Michael Shigorin

### Changed
- Cgraph's agheap() API has been removed
- Autotools build system support for eFence has been removed
- Building Graphviz with ICC defaults to -O2 instead of -O0
- Build system work arounds for GCC 3 have been removed
- Incomplete support for running the test suite under CMake has been removed
- Portable source tarballs now use the “ustar” POSIX format
- Minimum version of Flex required to build Graphviz is now 2.5.2
- Minimum version of Bison required to build Graphviz is now 3.0
- Minimum version of CMake required to build Graphviz using CMake is now 3.1

### Fixed
- gvpr: line numbers in gvpr errors/warnings are incorrect #1594
- URL typo in patchwork man page
- Escaped backslashes are not correctly handled when producing xdot with dot #165
- heap-over-flow(off-by-null) in lib/common/shapes.c #1700
- Windows MSBuild executables have the wrong version #1745
- Cast Overflow at pango_textlayout #1314
- x11 back end segfaults if display is unavailable #1776
- typo in cmd/gvpr/lib/clustg #1781
- Segfault in dot #1783
- Incorrect 'Arrow type "s" unknown' error #1444
- segfault on reading 0x10 #1724
- Null-dereference READ (144736912) #1676
- "Warning! PATH too long installer unable to modify PATH!" using CMake Windows installer and PATH length > 1024 #1770
- gvedit -? gives "option - unrecognized - ignored" instead of showing usage #1813
- lefty is not built for Windows (fixed for MSBuild builds only) #1818
- a failure to detect OpenGL glGenTextures() errors has been corrected
- sfio does compile time benchmarknig #1422
- iffe "lib" check always succeeds when compiler optimises #1521
- syntax error near text who is not present #1411
- Explicitly links with libstdc++; should allow libc++ if appropriate #163
- A macOS file that was erroneously excluded from portable source tarballs has
  been restored
- Add option -? for usage to diffimg
- Add option -? for usage to dotty
- Add option -? for usage to lneato
- Add option -? for usage to vimdot
- Fix smyrna -? to actually print usage instead of error
- Fix edgepaint -? to actually print usage instead of error
- Remove '"' from usage text in non-Windows version of dotty
- Correct misspelled 'smyrna' in usage
- Fix edgepaint -o option
- Correct shebang of gvmap.sh to use ksh
- Fix gvmap.sh -? option to exit with zero exit status
- Graphviz doesn't build on MacOS with the latest libc++ #1785
- make fails if ps2pdf is not installed (using autotools) #1763
- multiple graphs to file output causes a segfault #1845
- lefty PTY functionality relies on file descriptor implementation details #1823
- buffer overflow in fdpgen
- Crashes by VRML output when current directory is not writable #793
- Segmentation fault when newrank=true #1221
- sfdp craches #236
- fdp segmentation fault with GK=0 #1290
- fdp crash #1865
- Graphviz always crash with this simple dot file #167
- Seg fault in dot #1771
- gml2gv doesn't handle some attributes correctly #1869
- Add missing circo, fdp, neato, osage, patchwork, sfdp & twopi tools to Windows builds (copies of dot)
- Add gv2gml tool to CMake (copy of gml2gv on Windows, symlink to gml2gv otherwise)
- Regression: fdp generates internal names in the output #1876
- Regression: fdp assertion error on cluster in edge #1877
- Regression in id / <title> in svg for twopi #1907

2.46.1

## [2.46.1] - 2021-02-13

### Added
- Support for building against Guile 2.2
- Portable source is now also offered as a .tar.xz

### Changed
- CentOS/RHEL 6 is no longer supported
- Vestiges of Qt4 support have been removed
- C++11 support is now required of the C++ compiler used to build Graphviz
- C99 support is now required of the C compiler used to build Graphviz
- Question about userout() function in agerror.c #1924
- The minimum version of Python required to run the test suite is 3.6

### Fixed
- memory leak in label construction
- gvedit compilation errors out, but works if manually compiled with qt5 #1862
- incorrect HTML BR attribute parsing code #1913
- broken overflow checks in RectArea #1906
- various memory leaks !1699
- Fix bad free in lefty !1709
- typo in pathcross #1926
- Out-of-bounds write caused by incorrect error handling of malloc in genUserdata #1928
- Offer .tar.xz files too #454
- Header file graphviz_version.h has no include guards #1929
- regression: newlines embedded in quoted labels / node names are not preserved in 2.46.0 #1931
- Properly fill graphviz_version.h !1706

2.47.0

## [2.47.0] - 2021-03-15

### Changed
- The edges in JSON output are ordered now !1728
- remove regex usage #1919
- RxSpencer is no longer a dependency on Windows
- gvmap.sh is compatible with POSIX shells in addition to ksh
- sed is no longer a build dependency on Windows
- SHA256 checksum generation? #1955

### Fixed
- Fix gvpr -? to actually print usage and exit non-zero
- gvpr is not built by CMake #1878
- typos in gpcanvas.c #1927
- memory leak in libmingle
- private inheritance in IncVPSC #1874
- broken sorting in nearest_neighbor_graph_ann.cpp #1938
- memory leak in ANN bridge
- gvpr on Windows does not support absolute paths #1780
- buffer overflow in unflatten
- agxbputc macro does not bracket its arguments #1814

[Douglas R. Reno]

PHP8 is still not supported with this version of graphviz, so --disable-php needs to stay

We'll need to replace 'autoreconf' with './autogen.sh'

[Douglas R. Reno]

Fixed at r24417

[Bruce Dubbs]

Milestone renamed