* unsandbox.c SHA256 SHA512 WHIRLPOOL size ;-) ... [ ok ] >>> Unpacking source... >>> Source unpacked in /tmp/portage/app-portage/unsandbox-1/work >>> Preparing source in /tmp/portage/app-portage/unsandbox-1/work ... >>> Source prepared. >>> Configuring source in /tmp/portage/app-portage/unsandbox-1/work ... >>> Source configured. >>> Compiling source in /tmp/portage/app-portage/unsandbox-1/work ... make -j1 LDLIBS=-ldl unsandbox cc -O2 -mtune=generic -march=x86-64 -fno-stack-protector -g3 -ggdb3 -U_FORTIFY_SOURCE -Wl,-O1 -Wl,--as-needed -Wl,--hash-style=gnu -Wl,-z,lazy unsandbox.c -ldl -o unsandbox >>> Source compiled. >>> Test phase [not enabled]: app-portage/unsandbox-1
CC is respected; you just don't have CC set in the environment.
commit baa53169e115d1352babae7f5129b11ae38dd696 Author: Michał Górny <mgorny@gentoo.org> AuthorDate: Wed Feb 15 18:44:56 2017 Commit: Michał Górny <mgorny@gentoo.org> CommitDate: Wed Feb 15 18:50:23 2017 app-portage/unsandbox: Add tc-export CC, #609442