@sun It was GNU;
app-pda/ifuse-1.1.4
`-- app-pda/ifuse-1.1.4 amd64
`-- app-pda/libimobiledevice-1.3.0_p20240201 (>=app-pda/libimobiledevice-1.3.0) amd64
`-- app-pda/libimobiledevice-glue-1.1.0 (app-pda/libimobiledevice-glue) amd64
`-- app-pda/libplist-2.3.0-r2 (>=app-pda/libplist-2.3) amd64
`-- app-pda/libusbmuxd-2.0.2-r2 (>=app-pda/libusbmuxd-2.0.2) amd64
`-- dev-libs/libgcrypt-1.11.0 (dev-libs/libgcrypt) ~amd64
`-- dev-libs/libtasn1-4.19.0 (>=dev-libs/libtasn1-1.1) amd64
`-- net-libs/gnutls-3.8.6 (>=net-libs/gnutls-2.2.0) ~amd64
`-- dev-libs/openssl-3.2.2 (dev-libs/openssl) ~amd64
`-- sys-libs/readline-8.2_p10 (sys-libs/readline) ~amd64
`-- virtual/pkgconfig-3 (virtual/pkgconfig) amd64
`-- app-text/doxygen-1.10.0-r1 (app-text/doxygen) ~amd64
`-- app-portage/elt-patches-20240512 (>=app-portage/elt-patches-20240116) ~amd64
`-- sys-devel/gnuconfig-20240101 (sys-devel/gnuconfig) amd64
`-- dev-build/automake-1.17-r1 (>=dev-build/automake-1.17-r1) ~amd64
`-- dev-build/automake-1.16.5-r2 (>=dev-build/automake-1.16.5) amd64
`-- dev-build/autoconf-2.72-r1 (>=dev-build/autoconf-2.72-r1) ~amd64
`-- dev-build/autoconf-2.71-r7 (>=dev-build/autoconf-2.71-r6) amd64
`-- dev-build/libtool-2.4.7-r4 (>=dev-build/libtool-2.4.7-r3) amd64
`-- sys-fs/fuse-2.9.9-r2 (sys-fs/fuse) amd64
`-- sys-fs/fuse-common-3.10.4 (>=sys-fs/fuse-common-3.3.0-r1) amd64
`-- sys-devel/gettext-0.22.5 (sys-devel/gettext) ~amd64
`-- app-pda/usbmuxd-1.1.1_p20231011 (app-pda/usbmuxd) amd64
`-- acct-user/usbmux-0-r3 (acct-user/usbmux) amd64
`-- virtual/libusb-1-r2 (virtual/libusb) amd64
`-- virtual/udev-217-r7 (virtual/udev) amd64