Last updated on 2025-05-09 01:50:49 CEST.
| Package | NOTE | OK |
|---|---|---|
| animation | 4 | 9 |
| blogdown | 13 | |
| bookdown | 13 | |
| formatR | 13 | |
| fun | 4 | 9 |
| highr | 13 | |
| knitr | 2 | 11 |
| litedown | 2 | 11 |
| markdown | 13 | |
| mime | 2 | 11 |
| MSG | 4 | 9 |
| pagedown | 13 | |
| printr | 13 | |
| Rd2roxygen | 13 | |
| rmarkdown | 5 | 8 |
| rolldown | 2 | 11 |
| servr | 13 | |
| testit | 13 | |
| tinytex | 13 | |
| xaringan | 6 | 7 |
| xfun | 2 | 11 |
Current CRAN status: NOTE: 4, OK: 9
Version: 2.7
Check: CRAN incoming feasibility
Result: NOTE
Maintainer: ‘Yihui Xie <xie@yihui.name>’
Package CITATION file contains call(s) to old-style personList() or
as.personList(). Please use c() on person objects instead.
Package CITATION file contains call(s) to old-style citEntry(). Please
use bibentry() instead.
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc
Version: 2.7
Check: for unstated dependencies in ‘demo’
Result: NOTE
'library' or 'require' calls not declared from:
‘Cairo’ ‘fImport’ ‘rgl’ ‘zoo’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-patched-linux-x86_64, r-release-linux-x86_64
Current CRAN status: OK: 13
Current CRAN status: OK: 13
Current CRAN status: OK: 13
Current CRAN status: NOTE: 4, OK: 9
Version: 0.3
Check: for unstated dependencies in ‘demo’
Result: NOTE
'library' or 'require' calls not declared from:
‘rgl’ ‘tuneR’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-patched-linux-x86_64, r-release-linux-x86_64
Current CRAN status: OK: 13
Current CRAN status: NOTE: 2, OK: 11
Version: 1.50
Check: DESCRIPTION meta-information
Result: NOTE
Author field differs from that derived from Authors@R
Author: ‘Yihui Xie [aut, cre] (<https://orcid.org/0000-0003-0645-5666>, https://yihui.org), Abhraneel Sarma [ctb], Adam Vogt [ctb], Alastair Andrew [ctb], Alex Zvoleff [ctb], Amar Al-Zubaidi [ctb], Andre Simon [ctb] (the CSS files under inst/themes/ were derived from the Highlight package http://www.andre-simon.de), Aron Atkins [ctb], Aaron Wolen [ctb], Ashley Manton [ctb], Atsushi Yasumoto [ctb] (<https://orcid.org/0000-0002-8335-495X>), Ben Baumer [ctb], Brian Diggs [ctb], Brian Zhang [ctb], Bulat Yapparov [ctb], Cassio Pereira [ctb], Christophe Dervieux [ctb], David Hall [ctb], David Hugh-Jones [ctb], David Robinson [ctb], Doug Hemken [ctb], Duncan Murdoch [ctb], Elio Campitelli [ctb], Ellis Hughes [ctb], Emily Riederer [ctb], Fabian Hirschmann [ctb], Fitch Simeon [ctb], Forest Fang [ctb], Frank E Harrell Jr [ctb] (the Sweavel package at inst/misc/Sweavel.sty), Garrick Aden-Buie [ctb], Gregoire Detrez [ctb], Hadley Wickham [ctb], Hao Zhu [ctb], Heewon Jeon [ctb], Henrik Bengtsson [ctb], Hiroaki Yutani [ctb], Ian Lyttle [ctb], Hodges Daniel [ctb], Jacob Bien [ctb], Jake Burkhead [ctb], James Manton [ctb], Jared Lander [ctb], Jason Punyon [ctb], Javier Luraschi [ctb], Jeff Arnold [ctb], Jenny Bryan [ctb], Jeremy Ashkenas [ctb, cph] (the CSS file at inst/misc/docco-classic.css), Jeremy Stephens [ctb], Jim Hester [ctb], Joe Cheng [ctb], Johannes Ranke [ctb], John Honaker [ctb], John Muschelli [ctb], Jonathan Keane [ctb], JJ Allaire [ctb], Johan Toloe [ctb], Jonathan Sidi [ctb], Joseph Larmarange [ctb], Julien Barnier [ctb], Kaiyin Zhong [ctb], Kamil Slowikowski [ctb], Karl Forner [ctb], Kevin K. Smith [ctb], Kirill Mueller [ctb], Kohske Takahashi [ctb], Lorenz Walthert [ctb], Lucas Gallindo [ctb], Marius Hofert [ctb], Martin Modrák [ctb], Michael Chirico [ctb], Michael Friendly [ctb], Michal Bojanowski [ctb], Michel Kuhlmann [ctb], Miller Patrick [ctb], Nacho Caballero [ctb], Nick Salkowski [ctb], Niels Richard Hansen [ctb], Noam Ross [ctb], Obada Mahdi [ctb], Pavel N. Krivitsky [ctb] (<https://orcid.org/0000-0002-9101-3362>), Pedro Faria [ctb], Qiang Li [ctb], Ramnath Vaidyanathan [ctb], Richard Cotton [ctb], Robert Krzyzanowski [ctb], Rodrigo Copetti [ctb], Romain Francois [ctb], Ruaridh Williamson [ctb], Sagiru Mati [ctb] (<https://orcid.org/0000-0003-1413-3974>), Scott Kostyshak [ctb], Sebastian Meyer [ctb], Sietse Brouwer [ctb], Simon de Bernard [ctb], Sylvain Rousseau [ctb], Taiyun Wei [ctb], Thibaut Assus [ctb], Thibaut Lamadon [ctb], Thomas Leeper [ctb], Tim Mastny [ctb], Tom Torsney-Weir [ctb], Trevor Davis [ctb], Viktoras Veitas [ctb], Weicheng Zhu [ctb], Wush Wu [ctb], Zachary Foster [ctb], Zhian N. Kamvar [ctb] (<https://orcid.org/0000-0003-1458-7108>), Posit Software, PBC [cph, fnd]’
Authors@R: ‘Yihui Xie [aut, cre] (ORCID: <https://orcid.org/0000-0003-0645-5666>, URL: https://yihui.org), Abhraneel Sarma [ctb], Adam Vogt [ctb], Alastair Andrew [ctb], Alex Zvoleff [ctb], Amar Al-Zubaidi [ctb], Andre Simon [ctb] (the CSS files under inst/themes/ were derived from the Highlight package http://www.andre-simon.de), Aron Atkins [ctb], Aaron Wolen [ctb], Ashley Manton [ctb], Atsushi Yasumoto [ctb] (ORCID: <https://orcid.org/0000-0002-8335-495X>), Ben Baumer [ctb], Brian Diggs [ctb], Brian Zhang [ctb], Bulat Yapparov [ctb], Cassio Pereira [ctb], Christophe Dervieux [ctb], David Hall [ctb], David Hugh-Jones [ctb], David Robinson [ctb], Doug Hemken [ctb], Duncan Murdoch [ctb], Elio Campitelli [ctb], Ellis Hughes [ctb], Emily Riederer [ctb], Fabian Hirschmann [ctb], Fitch Simeon [ctb], Forest Fang [ctb], Frank E Harrell Jr [ctb] (the Sweavel package at inst/misc/Sweavel.sty), Garrick Aden-Buie [ctb], Gregoire Detrez [ctb], Hadley Wickham [ctb], Hao Zhu [ctb], Heewon Jeon [ctb], Henrik Bengtsson [ctb], Hiroaki Yutani [ctb], Ian Lyttle [ctb], Hodges Daniel [ctb], Jacob Bien [ctb], Jake Burkhead [ctb], James Manton [ctb], Jared Lander [ctb], Jason Punyon [ctb], Javier Luraschi [ctb], Jeff Arnold [ctb], Jenny Bryan [ctb], Jeremy Ashkenas [ctb, cph] (the CSS file at inst/misc/docco-classic.css), Jeremy Stephens [ctb], Jim Hester [ctb], Joe Cheng [ctb], Johannes Ranke [ctb], John Honaker [ctb], John Muschelli [ctb], Jonathan Keane [ctb], JJ Allaire [ctb], Johan Toloe [ctb], Jonathan Sidi [ctb], Joseph Larmarange [ctb], Julien Barnier [ctb], Kaiyin Zhong [ctb], Kamil Slowikowski [ctb], Karl Forner [ctb], Kevin K. Smith [ctb], Kirill Mueller [ctb], Kohske Takahashi [ctb], Lorenz Walthert [ctb], Lucas Gallindo [ctb], Marius Hofert [ctb], Martin Modrák [ctb], Michael Chirico [ctb], Michael Friendly [ctb], Michal Bojanowski [ctb], Michel Kuhlmann [ctb], Miller Patrick [ctb], Nacho Caballero [ctb], Nick Salkowski [ctb], Niels Richard Hansen [ctb], Noam Ross [ctb], Obada Mahdi [ctb], Pavel N. Krivitsky [ctb] (ORCID: <https://orcid.org/0000-0002-9101-3362>), Pedro Faria [ctb], Qiang Li [ctb], Ramnath Vaidyanathan [ctb], Richard Cotton [ctb], Robert Krzyzanowski [ctb], Rodrigo Copetti [ctb], Romain Francois [ctb], Ruaridh Williamson [ctb], Sagiru Mati [ctb] (ORCID: <https://orcid.org/0000-0003-1413-3974>), Scott Kostyshak [ctb], Sebastian Meyer [ctb], Sietse Brouwer [ctb], Simon de Bernard [ctb], Sylvain Rousseau [ctb], Taiyun Wei [ctb], Thibaut Assus [ctb], Thibaut Lamadon [ctb], Thomas Leeper [ctb], Tim Mastny [ctb], Tom Torsney-Weir [ctb], Trevor Davis [ctb], Viktoras Veitas [ctb], Weicheng Zhu [ctb], Wush Wu [ctb], Zachary Foster [ctb], Zhian N. Kamvar [ctb] (ORCID: <https://orcid.org/0000-0003-1458-7108>), Posit Software, PBC [cph, fnd]’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc
Current CRAN status: NOTE: 2, OK: 11
Version: 0.7
Check: DESCRIPTION meta-information
Result: NOTE
Author field differs from that derived from Authors@R
Author: ‘Yihui Xie [aut, cre] (<https://orcid.org/0000-0003-0645-5666>, https://yihui.org), Tim Taylor [ctb] (<https://orcid.org/0000-0002-8587-7113>)’
Authors@R: ‘Yihui Xie [aut, cre] (ORCID: <https://orcid.org/0000-0003-0645-5666>, URL: https://yihui.org), Tim Taylor [ctb] (ORCID: <https://orcid.org/0000-0002-8587-7113>)’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc
Current CRAN status: OK: 13
Current CRAN status: NOTE: 2, OK: 11
Version: 0.13
Check: DESCRIPTION meta-information
Result: NOTE
Author field differs from that derived from Authors@R
Author: ‘Yihui Xie [aut, cre] (<https://orcid.org/0000-0003-0645-5666>, https://yihui.org), Jeffrey Horner [ctb], Beilei Bian [ctb]’
Authors@R: ‘Yihui Xie [aut, cre] (ORCID: <https://orcid.org/0000-0003-0645-5666>, URL: https://yihui.org), Jeffrey Horner [ctb], Beilei Bian [ctb]’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc
Current CRAN status: NOTE: 4, OK: 9
Version: 0.8
Check: for unstated dependencies in ‘demo’
Result: NOTE
'data(package=)' call not declared from: ‘MASS’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-patched-linux-x86_64, r-release-linux-x86_64
Current CRAN status: OK: 13
Current CRAN status: OK: 13
Current CRAN status: OK: 13
Current CRAN status: NOTE: 5, OK: 8
Version: 2.29
Check: DESCRIPTION meta-information
Result: NOTE
Author field differs from that derived from Authors@R
Author: ‘JJ Allaire [aut], Yihui Xie [aut, cre] (<https://orcid.org/0000-0003-0645-5666>), Christophe Dervieux [aut] (<https://orcid.org/0000-0003-4474-2498>), Jonathan McPherson [aut], Javier Luraschi [aut], Kevin Ushey [aut], Aron Atkins [aut], Hadley Wickham [aut], Joe Cheng [aut], Winston Chang [aut], Richard Iannone [aut] (<https://orcid.org/0000-0003-3925-190X>), Andrew Dunning [ctb] (<https://orcid.org/0000-0003-0464-5036>), Atsushi Yasumoto [ctb, cph] (<https://orcid.org/0000-0002-8335-495X>, Number sections Lua filter), Barret Schloerke [ctb], Carson Sievert [ctb] (<https://orcid.org/0000-0002-4958-2844>), Devon Ryan [ctb] (<https://orcid.org/0000-0002-8549-0971>), Frederik Aust [ctb] (<https://orcid.org/0000-0003-4900-788X>), Jeff Allen [ctb], JooYoung Seo [ctb] (<https://orcid.org/0000-0002-4064-6012>), Malcolm Barrett [ctb], Rob Hyndman [ctb], Romain Lesur [ctb], Roy Storey [ctb], Ruben Arslan [ctb], Sergio Oller [ctb], Posit Software, PBC [cph, fnd], jQuery UI contributors [ctb, cph] (jQuery UI library; authors listed in inst/rmd/h/jqueryui/AUTHORS.txt), Mark Otto [ctb] (Bootstrap library), Jacob Thornton [ctb] (Bootstrap library), Bootstrap contributors [ctb] (Bootstrap library), Twitter, Inc [cph] (Bootstrap library), Alexander Farkas [ctb, cph] (html5shiv library), Scott Jehl [ctb, cph] (Respond.js library), Ivan Sagalaev [ctb, cph] (highlight.js library), Greg Franko [ctb, cph] (tocify library), John MacFarlane [ctb, cph] (Pandoc templates), Google, Inc. [ctb, cph] (ioslides library), Dave Raggett [ctb] (slidy library), W3C [cph] (slidy library), Dave Gandy [ctb, cph] (Font-Awesome), Ben Sperry [ctb] (Ionicons), Drifty [cph] (Ionicons), Aidan Lister [ctb, cph] (jQuery StickyTabs), Benct Philip Jonsson [ctb, cph] (pagebreak Lua filter), Albert Krewinkel [ctb, cph] (pagebreak Lua filter)’
Authors@R: ‘JJ Allaire [aut], Yihui Xie [aut, cre] (ORCID: <https://orcid.org/0000-0003-0645-5666>), Christophe Dervieux [aut] (ORCID: <https://orcid.org/0000-0003-4474-2498>), Jonathan McPherson [aut], Javier Luraschi [aut], Kevin Ushey [aut], Aron Atkins [aut], Hadley Wickham [aut], Joe Cheng [aut], Winston Chang [aut], Richard Iannone [aut] (ORCID: <https://orcid.org/0000-0003-3925-190X>), Andrew Dunning [ctb] (ORCID: <https://orcid.org/0000-0003-0464-5036>), Atsushi Yasumoto [ctb, cph] (ORCID: <https://orcid.org/0000-0002-8335-495X>, cph: Number sections Lua filter), Barret Schloerke [ctb], Carson Sievert [ctb] (ORCID: <https://orcid.org/0000-0002-4958-2844>), Devon Ryan [ctb] (ORCID: <https://orcid.org/0000-0002-8549-0971>), Frederik Aust [ctb] (ORCID: <https://orcid.org/0000-0003-4900-788X>), Jeff Allen [ctb], JooYoung Seo [ctb] (ORCID: <https://orcid.org/0000-0002-4064-6012>), Malcolm Barrett [ctb], Rob Hyndman [ctb], Romain Lesur [ctb], Roy Storey [ctb], Ruben Arslan [ctb], Sergio Oller [ctb], Posit Software, PBC [cph, fnd], jQuery UI contributors [ctb, cph] (jQuery UI library; authors listed in inst/rmd/h/jqueryui/AUTHORS.txt), Mark Otto [ctb] (Bootstrap library), Jacob Thornton [ctb] (Bootstrap library), Bootstrap contributors [ctb] (Bootstrap library), Twitter, Inc [cph] (Bootstrap library), Alexander Farkas [ctb, cph] (html5shiv library), Scott Jehl [ctb, cph] (Respond.js library), Ivan Sagalaev [ctb, cph] (highlight.js library), Greg Franko [ctb, cph] (tocify library), John MacFarlane [ctb, cph] (Pandoc templates), Google, Inc. [ctb, cph] (ioslides library), Dave Raggett [ctb] (slidy library), W3C [cph] (slidy library), Dave Gandy [ctb, cph] (Font-Awesome), Ben Sperry [ctb] (Ionicons), Drifty [cph] (Ionicons), Aidan Lister [ctb, cph] (jQuery StickyTabs), Benct Philip Jonsson [ctb, cph] (pagebreak Lua filter), Albert Krewinkel [ctb, cph] (pagebreak Lua filter)’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc
Version: 2.29
Check: installed package size
Result: NOTE
installed size is 7.1Mb
sub-directories of 1Mb or more:
rmd 6.0Mb
Flavors: r-oldrel-macos-arm64, r-oldrel-macos-x86_64, r-oldrel-windows-x86_64
Current CRAN status: NOTE: 2, OK: 11
Version: 0.2
Check: DESCRIPTION meta-information
Result: NOTE
Author field differs from that derived from Authors@R
Author: ‘Yihui Xie [aut, cre] (<https://orcid.org/0000-0003-0645-5666>, https://yihui.org), Siqi Zhang [ctb], Russell Goldenberg [ctb] (The JS library inst/resources/scrollama/scrollama.min.js)’
Authors@R: ‘Yihui Xie [aut, cre] (ORCID: <https://orcid.org/0000-0003-0645-5666>, URL: https://yihui.org), Siqi Zhang [ctb], Russell Goldenberg [ctb] (The JS library inst/resources/scrollama/scrollama.min.js)’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc
Current CRAN status: OK: 13
Current CRAN status: OK: 13
Current CRAN status: OK: 13
Current CRAN status: NOTE: 6, OK: 7
Version: 0.30
Check: DESCRIPTION meta-information
Result: NOTE
Author field differs from that derived from Authors@R
Author: ‘Yihui Xie [aut, cre] (<https://orcid.org/0000-0003-0645-5666>), Posit Software, PBC [cph, fnd], Alessandro Gasparini [ctb] (<https://orcid.org/0000-0002-8319-7624>), Benjie Gillam [ctb], Claus Thorn Ekstrøm [ctb], Daniel Anderson [ctb], Dawei Lang [ctb], Deo Salil [ctb], Emi Tanaka [ctb], Garrick Aden-Buie [ctb] (<https://orcid.org/0000-0002-7111-0077>), Iñaki Ucar [ctb] (<https://orcid.org/0000-0001-6403-5550>), John Little [ctb], Joselyn Chávez [ctb] (<https://orcid.org/0000-0002-4974-4591>), Joseph Casillas [ctb], JooYoung Seo [ctb] (<https://orcid.org/0000-0002-4064-6012>), Lucy D'Agostino McGowan [ctb] (<https://orcid.org/0000-0001-7297-9359>), Malcolm Barrett [ctb] (<https://orcid.org/0000-0003-0299-5825>), Matthew Mark Strasiotto [ctb] (mstr3336), Michael Wayne Kearney [ctb], Nan-Hung Hsieh [ctb], Ole Petter Bang [ctb] (CSS in rmarkdown/templates/xaringan/resources/default.css), Orlando Olaya Bucaro [ctb], Patrick Schratz [ctb], Paul Klemm [ctb] (<https://orcid.org/0000-0002-5985-1737>), Paul Lemmens [ctb], Robert Fromont [ctb] (<https://orcid.org/0000-0001-5271-5487>), Sean Lopp [ctb], Silvia Canelon [ctb] (<https://orcid.org/0000-0003-1709-1394>), Susan VanderPlas [ctb] (<https://orcid.org/0000-0002-3803-0972>), Tuo Wang [ctb], Waldir Leoncio [ctb], Yongfu Liao [ctb], Yue Jiang [ctb] (<https://orcid.org/0000-0002-9798-5517>), Zhian N. Kamvar [ctb] (<https://orcid.org/0000-0003-1458-7108>)’
Authors@R: ‘Yihui Xie [aut, cre] (ORCID: <https://orcid.org/0000-0003-0645-5666>), Posit Software, PBC [cph, fnd], Alessandro Gasparini [ctb] (ORCID: <https://orcid.org/0000-0002-8319-7624>), Benjie Gillam [ctb], Claus Thorn Ekstrøm [ctb], Daniel Anderson [ctb], Dawei Lang [ctb], Deo Salil [ctb], Emi Tanaka [ctb], Garrick Aden-Buie [ctb] (ORCID: <https://orcid.org/0000-0002-7111-0077>), Iñaki Ucar [ctb] (ORCID: <https://orcid.org/0000-0001-6403-5550>), John Little [ctb], Joselyn Chávez [ctb] (ORCID: <https://orcid.org/0000-0002-4974-4591>), Joseph Casillas [ctb], JooYoung Seo [ctb] (ORCID: <https://orcid.org/0000-0002-4064-6012>), Lucy D'Agostino McGowan [ctb] (ORCID: <https://orcid.org/0000-0001-7297-9359>), Malcolm Barrett [ctb] (ORCID: <https://orcid.org/0000-0003-0299-5825>), Matthew Mark Strasiotto [ctb] (github: mstr3336), Michael Wayne Kearney [ctb], Nan-Hung Hsieh [ctb], Ole Petter Bang [ctb] (CSS in rmarkdown/templates/xaringan/resources/default.css), Orlando Olaya Bucaro [ctb], Patrick Schratz [ctb], Paul Klemm [ctb] (ORCID: <https://orcid.org/0000-0002-5985-1737>), Paul Lemmens [ctb], Robert Fromont [ctb] (ORCID: <https://orcid.org/0000-0001-5271-5487>), Sean Lopp [ctb], Silvia Canelon [ctb] (ORCID: <https://orcid.org/0000-0003-1709-1394>), Susan VanderPlas [ctb] (ORCID: <https://orcid.org/0000-0002-3803-0972>), Tuo Wang [ctb], Waldir Leoncio [ctb], Yongfu Liao [ctb], Yue Jiang [ctb] (ORCID: <https://orcid.org/0000-0002-9798-5517>), Zhian N. Kamvar [ctb] (ORCID: <https://orcid.org/0000-0003-1458-7108>)’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc
Version: 0.30
Check: Rd cross-references
Result: NOTE
Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
inf_mr.Rd: httw
moon_reader.Rd: html_document
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc, r-devel-windows-x86_64, r-patched-linux-x86_64, r-release-linux-x86_64, r-release-windows-x86_64
Current CRAN status: NOTE: 2, OK: 11
Version: 0.52
Check: DESCRIPTION meta-information
Result: NOTE
Author field differs from that derived from Authors@R
Author: ‘Yihui Xie [aut, cre, cph] (<https://orcid.org/0000-0003-0645-5666>, https://yihui.org), Wush Wu [ctb], Daijiang Li [ctb], Xianying Tan [ctb], Salim Brüggemann [ctb] (<https://orcid.org/0000-0002-5329-5987>), Christophe Dervieux [ctb]’
Authors@R: ‘Yihui Xie [aut, cre, cph] (ORCID: <https://orcid.org/0000-0003-0645-5666>, URL: https://yihui.org), Wush Wu [ctb], Daijiang Li [ctb], Xianying Tan [ctb], Salim Brüggemann [ctb] (ORCID: <https://orcid.org/0000-0002-5329-5987>), Christophe Dervieux [ctb]’
Flavors: r-devel-linux-x86_64-debian-clang, r-devel-linux-x86_64-debian-gcc