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freke
l33t
Joined: 23 Jan 2003
Posts: 977
Location: Somewhere in Denmark
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 Posted: Wed Apr 10, 2024 8:16 pm Post subject: sys-libs/glibc - gd-useflag |
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I decided to go through my useflags in make.conf and package.use, discovered that 'gd' seems to be for something different for dev-lang/php vs. sys-libs/glibc, but is this really correct for sys-libs/glibc | Code: | ns ~ # USE="gd" emerge -va1 glibc
These are the packages that would be merged, in order:
Calculating dependencies... done!
Dependency resolution took 1.24 s (backtrack: 0/20).
[ebuild N ] dev-lang/nasm-2.16.01-r1::gentoo USE="-doc" 994 KiB
[ebuild N ] media-libs/libjpeg-turbo-3.0.0:0/0.2::gentoo USE="-java -static-libs" 2,749 KiB
[ebuild N ] media-libs/gd-2.3.3-r4:2/3::gentoo USE="jpeg png zlib -avif -fontconfig -heif -static-libs -test -tiff -truetype -webp -xpm" CPU_FLAGS_X86="sse" 2,744 KiB
[ebuild R ] sys-libs/glibc-2.38-r11:2.2::gentoo USE="audit caps cet gd* multiarch (ssp) (static-libs) -compile-locales (-crypt) (-custom-cflags) -doc -hash-sysv-compat -headers-only (-multilib) -multilib-bootstrap -nscd -perl -profile (-selinux) (-stack-realign) -suid -systemd -systemtap -test (-vanilla)" 0 KiB
Total: 4 packages (3 new, 1 reinstall), Size of downloads: 6,486 KiB
Would you like to merge these packages? [Yes/No] ^CInterrupted.
^C
ns ~ # equery h gd
* Searching for USE flag gd ...
[IP-] [ ] sys-libs/glibc-2.38-r11:2.2
ns ~ # equery u glibc
[ Legend : U - final flag setting for installation]
[ : I - package is installed with flag ]
[ Colors : set, unset ]
* Found these USE flags for sys-libs/glibc-2.38-r11:
U I
+ + audit : Enable support for Linux audit subsystem using sys-process/audit
+ + caps : Use Linux capabilities library to control privilege
+ + cet : Enable Intel Control-flow Enforcement Technology (needs binutils 2.29 and gcc 8)
- - compile-locales : build *all* locales in src_install; this is generally meant for stage building only as it ignores /etc/locale.gen file and can be
pretty slow
- - doc : Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
- - gd : build memusage and memusagestat tools
- - hash-sysv-compat : enable sysv linker hashes in glibc for compatibility with binary software (EAC via wine/proton)
- - headers-only : Install only C headers instead of whole package. Mainly used by sys-devel/crossdev for toolchain bootstrap.
+ + multiarch : enable optimizations for multiple CPU architectures (detected at runtime)
- - multilib-bootstrap : Provide prebuilt libgcc.a and crt files if missing. Only needed for ABI switch.
- - nscd : Build, and enable support for, the Name Service Cache Daemon
- - perl : Install additional scripts written in Perl
- - profile : Add support for software performance analysis (will likely vary from ebuild to ebuild)
- - suid : Make internal pt_chown helper setuid -- not needed if using Linux and have /dev/pts mounted with gid=5
- - systemd : Enable use of systemd-specific libraries and features like socket activation or session tracking
- - systemtap : enable systemtap static probe points
- - test : Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently) |
What I don't really get is why 'build memusage and memusagestat tools' would want those media-libs? for dev-lang/php (not installed on this VM, glibc is the only ebuild with gd useflag on this machine) 'gd' is for image processing and makes sense. |
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xgivolari
n00b
Joined: 26 Jul 2021
Posts: 73
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| Posted: Thu Apr 11, 2024 9:20 am Post subject: |
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https://www.man7.org/linux/man-pages/man1/memusagestat.1.html
To quote the man page:
| Quote: | memusagestat creates a PNG file containing a graphical
representation of the memory profiling data in the file datafile;
that file is generated via the -d (or --data) option of
memusage(1). |
memusagestat needs gd to draw pretty pictures of your memory utilization. |
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freke
l33t
Joined: 23 Jan 2003
Posts: 977
Location: Somewhere in Denmark
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| Posted: Thu Apr 11, 2024 9:25 am Post subject: |
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| xgivolari wrote: | https://www.man7.org/linux/man-pages/man1/memusagestat.1.html
To quote the man page:
| Quote: | memusagestat creates a PNG file containing a graphical
representation of the memory profiling data in the file datafile;
that file is generated via the -d (or --data) option of
memusage(1). |
memusagestat needs gd to draw pretty pictures of your memory utilization. |
Makes sense, should have spent some time actually reading what memusage/memusagestat actually does  |
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