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Port details
gfan Software for computing Groebner fans and tropical varieties
0.6.2_2 math on this many watch lists=0 search for ports that depend on this port Find issues related to this port Report an issue related to this port View this port on Repology. pkg-fallout Version of this port present on the latest quarterly branch.
Maintainer: search for ports maintained by this maintainer
Port Added: 2019-02-08 09:27:51
Last Update: 2022-09-07 21:58:51
Commit Hash: fb16dfe
License: GPLv2+
Homepage    cgit ¦ Codeberg ¦ GitHub ¦ GitLab ¦ SVNWeb
pkg-plist: as obtained via: make generate-plist
Expand this list (98 items)
Collapse this list.
  1. /usr/local/share/licenses/gfan-0.6.2_2/
  2. /usr/local/share/licenses/gfan-0.6.2_2/LICENSE
  3. /usr/local/share/licenses/gfan-0.6.2_2/GPLv2+
  4. share/doc/gfan/gfan.eps
  5. share/doc/gfan/manual.dvi
  6. share/doc/gfan/nonconst.eps
  7. share/doc/gfan/polyformat.eps
  8. share/doc/gfan/staircase.eps
  9. share/examples/gfan/2x2of2x3
  10. share/examples/gfan/2x2of2x4
  11. share/examples/gfan/2x2of3x3
  12. share/examples/gfan/2x2of4x4
  13. share/examples/gfan/3x3of3x4
  14. share/examples/gfan/3x3of3x5
  15. share/examples/gfan/3x3of3x5.cone
  16. share/examples/gfan/3x3of4x4
  17. share/examples/gfan/3x3of4x4sym.cone
  18. share/examples/gfan/4x4of4x5
  19. share/examples/gfan/4x4of5x5
  20. share/examples/gfan/6x6-subPfaffians
  21. share/examples/gfan/commat2x2
  22. share/examples/gfan/commat2x2.cone
  23. share/examples/gfan/cyclic4
  24. share/examples/gfan/cyclic5
  25. share/examples/gfan/examplePaper
  26. share/examples/gfan/grassmann2_5
  27. share/examples/gfan/grassmann2_5.cone
  28. share/examples/gfan/grassmann2_6
  29. share/examples/gfan/grassmann2_6.cone
  30. share/examples/gfan/grassmann3_6
  31. share/examples/gfan/grassmann3_6.cone
  32. share/examples/gfan/hankel3x3of4x4
  33. share/examples/gfan/hankel3x3of4x4.cone
  34. share/examples/gfan/hankel3x3of4x5
  35. share/examples/gfan/hankel3x3of4x5.cone
  36. share/examples/gfan/linhyper5_2
  37. share/examples/gfan/linhyper5_2.cone
  38. share/examples/gfan/pablo
  39. share/examples/gfan/sturmfels3.9
  40. share/examples/gfan/symmetryTest
  41. bin/gfan
  42. bin/gfan_bases
  43. bin/gfan_buchberger
  44. bin/gfan_combinerays
  45. bin/gfan_doesidealcontain
  46. bin/gfan_fancommonrefinement
  47. bin/gfan_fanhomology
  48. bin/gfan_fanisbalanced
  49. bin/gfan_fanlink
  50. bin/gfan_fanproduct
  51. bin/gfan_fansubfan
  52. bin/gfan_genericlinearchange
  53. bin/gfan_groebnercone
  54. bin/gfan_groebnerfan
  55. bin/gfan_homogeneityspace
  56. bin/gfan_homogenize
  57. bin/gfan_initialforms
  58. bin/gfan_interactive
  59. bin/gfan_ismarkedgroebnerbasis
  60. bin/gfan_krulldimension
  61. bin/gfan_latticeideal
  62. bin/gfan_leadingterms
  63. bin/gfan_list
  64. bin/gfan_markpolynomialset
  65. bin/gfan_minkowskisum
  66. bin/gfan_minors
  67. bin/gfan_mixedvolume
  68. bin/gfan_overintegers
  69. bin/gfan_padic
  70. bin/gfan_polynomialsetunion
  71. bin/gfan_render
  72. bin/gfan_renderstaircase
  73. bin/gfan_resultantfan
  74. bin/gfan_saturation
  75. bin/gfan_secondaryfan
  76. bin/gfan_stats
  77. bin/gfan_substitute
  78. bin/gfan_symmetries
  79. bin/gfan_tolatex
  80. bin/gfan_topolyhedralfan
  81. bin/gfan_tropicalbasis
  82. bin/gfan_tropicalbruteforce
  83. bin/gfan_tropicalcurve
  84. bin/gfan_tropicalevaluation
  85. bin/gfan_tropicalfunction
  86. bin/gfan_tropicalhypersurface
  87. bin/gfan_tropicalintersection
  88. bin/gfan_tropicallifting
  89. bin/gfan_tropicallinearspace
  90. bin/gfan_tropicalmultiplicity
  91. bin/gfan_tropicalrank
  92. bin/gfan_tropicalstartingcone
  93. bin/gfan_tropicaltraverse
  94. bin/gfan_tropicalweildivisor
  95. bin/gfan_version
  96. @owner
  97. @group
  98. @mode
Collapse this list.
Dependency lines:
  • gfan>0:math/gfan
To install the port:
cd /usr/ports/math/gfan/ && make install clean
To add the package, run one of these commands:
  • pkg install math/gfan
  • pkg install gfan
NOTE: If this package has multiple flavors (see below), then use one of them instead of the name specified above.
Flavors: there is no flavor information for this port.

Packages (timestamps in pop-ups are UTC):
NOTE: FreshPorts displays only information on required and default dependencies. Optional dependencies are not covered.
Build dependencies:
  1. gmake>=4.3 : devel/gmake
Library dependencies:
  1. : math/cddlib
  2. : math/gmp
This port is required by:
for Build
  1. math/sage
for Run
  1. math/sage

Configuration Options:
Options name:
FreshPorts was unable to extract/find any pkg message
Master Sites:
Expand this list (1 items)
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Number of commits found: 12

Commit History - (may be incomplete: for full details, see links to repositories near top of page)
CommitCreditsLog message
07 Sep 2022 21:58:51
commit hash:fb16dfecae4a6efac9f3a78e0b759fb7a3c53de4commit hash:fb16dfecae4a6efac9f3a78e0b759fb7a3c53de4commit hash:fb16dfecae4a6efac9f3a78e0b759fb7a3c53de4commit hash:fb16dfecae4a6efac9f3a78e0b759fb7a3c53de4 files touched by this commit
Stefan Eßer (se) search for other commits by this committer
Remove WWW entries moved into port Makefiles

Commit b7f05445c00f has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.

This commit removes the WWW: lines of moved-over URLs from these
pkg-descr files.

Approved by:		portmgr (tcberner)
07 Sep 2022 21:10:59
commit hash:b7f05445c00f2625aa19b4154ebcbce5ed2daa52commit hash:b7f05445c00f2625aa19b4154ebcbce5ed2daa52commit hash:b7f05445c00f2625aa19b4154ebcbce5ed2daa52commit hash:b7f05445c00f2625aa19b4154ebcbce5ed2daa52 files touched by this commit
Stefan Eßer (se) search for other commits by this committer
Add WWW entries to port Makefiles

It has been common practice to have one or more URLs at the end of the
ports' pkg-descr files, one per line and prefixed with "WWW:". These
URLs should point at a project website or other relevant resources.

Access to these URLs required processing of the pkg-descr files, and
they have often become stale over time. If more than one such URL was
present in a pkg-descr file, only the first one was tarnsfered into
the port INDEX, but for many ports only the last line did contain the
port specific URL to further information.

There have been several proposals to make a project URL available as
a macro in the ports' Makefiles, over time.
(Only the first 15 lines of the commit message are shown above View all of this commit message)
07 Apr 2021 08:09:01
commit hash:cf118ccf875508b9a1c570044c93cfcc82bd455ccommit hash:cf118ccf875508b9a1c570044c93cfcc82bd455ccommit hash:cf118ccf875508b9a1c570044c93cfcc82bd455ccommit hash:cf118ccf875508b9a1c570044c93cfcc82bd455c files touched by this commit
Mathieu Arnold (mat) search for other commits by this committer
One more small cleanup, forgotten yesterday.
Reported by:	lwhsu
06 Apr 2021 14:31:07
commit hash:305f148f482daf30dcf728039d03d019f88344ebcommit hash:305f148f482daf30dcf728039d03d019f88344ebcommit hash:305f148f482daf30dcf728039d03d019f88344ebcommit hash:305f148f482daf30dcf728039d03d019f88344eb files touched by this commit
Mathieu Arnold (mat) search for other commits by this committer
Remove # $FreeBSD$ from Makefiles.
04 Dec 2020 18:17:32
Revision:556996Original commit files touched by this commit
mikael search for other commits by this committer
math/gfan: pass maintainership

o Update URL in MASTER_SITES to current address
o Remove post-patch target as it is not needed
	- Use LDFLAGS instead of the non-standard variable
	- Replace "${REINPLACE_CMD} 's,log2,gfan_log2,g'" by appropriate
	  patch files as the command triggers multiple warnings. log2 is
	  a macro defined in src/log.h. The name of this macro is in
	  conflict with the function log2 from math.h. To avoid errors
	  when compiling the code, the above renaming is necessary.
	  Furthermore, PHB 4.4.3 strongly suggests using patch files
	  instead of REINPLACE_CMD for static content.
o Sort pkg-plist alphabetically as required by PHB 3.2.2
o Shorten pkg-descr and make it less technical

PR:		250879
Submitted by:	Moritz Schmitt (maintainer)
21 Jun 2020 15:36:35
Revision:539770Original commit files touched by this commit
salvadore search for other commits by this committer
Drop ports maintainership

Approved by:	gerald (mentor)
31 Dec 2019 13:02:43
Revision:521615Original commit files touched by this commit
meta search for other commits by this committer
multiple ports: Update MAINTAINER

as he got account.

PR:		243002
Submitted by:	salvadore
15 Oct 2019 16:05:43
Revision:514542Original commit files touched by this commit
swills search for other commits by this committer
math/gfan: fix build on 13.0-CURRENT

PR:		241194
Submitted by:	Lorenzo Salvadore <> (maintainer)
13 Aug 2019 22:29:43
Revision:508882Original commit files touched by this commit
mat search for other commits by this committer
onvert to UCL & cleanup pkg-message (categories l-m)
26 Jul 2019 20:46:57
Revision:507372Original commit files touched by this commit
gerald search for other commits by this committer
Bump PORTREVISION for ports depending on the canonical version of GCC
as defined in Mk/ which has moved from GCC 8.3
to GCC 9.1 under most circumstances now after revision 507371.

This includes ports
 - with USE_GCC=yes or USE_GCC=any,
 - with USES=fortran,
 - using Mk/ which in turn features USES=fortran, and
 - with USES=compiler specifying openmp, nestedfct, c11, c++0x, c++11-lang,
   c++11-lib, c++14-lang, c++17-lang, or gcc-c++11-lib
plus, everything INDEX-11 shows with a dependency on lang/gcc9 now.

PR:		238330
24 Feb 2019 22:10:43
Revision:493819Original commit files touched by this commit
linimon search for other commits by this committer
This port requires a C++11-compatible compiler to build, so add
USES=compiler:c++11-lang to fix build on GCC-based architectures.

Also add LDFLAGS to the linking command so that it links against ports

While here, add USES=localbase.

PR:		235976
Submitted by:	Piotr Kubaj
Approved by:	maintainer
08 Feb 2019 09:27:32
Revision:492416Original commit files touched by this commit
tobik search for other commits by this committer
New ports: math/gfan, math/gfanlib

Gfan is a software package for computing Groebner fans and tropical
varieties. These are polyhedral fans associated to polynomial ideals.
The maximal cones of a Groebner fan are in bijection with the marked
reduced Groebner bases of its defining ideal. The software computes
all marked reduced Groebner bases of an ideal. Their union is a
universal Greobner basis. The tropical variety of a polynomial ideal
is a certain subcomplex of the Groebner fan. Gfan contains algorithms
for computing this complex for general ideals and specialized
algorithms for tropical curves, tropical hypersurfaces and tropical
varieties of prime ideals.  In addition to the above core functions
the package contains many tools which are useful in the study of
Groebner bases, initial ideals and tropical geometry.


PR:		231186
Submitted by:	Lorenzo Salvadore <>

Number of commits found: 12