Hi gentoo-user, is there a way to set environment variables on package/ebuild granularity? I'm aware, that plenty of portage related environment variables are configurable by means of the package.env feature (https://wiki.gentoo.org/wiki//etc/portage/package.env). However, I didn't find a way to set additional environment variables.
The actual reason, why I'm asking is the following: When compiling app-emulation/qemu, package installation fails when calling the preprocessor. Though, I'm able to manually solve the issue when setting the CPP environment variable: # export CPP="gcc -E" before running emerge. Instead of running the command again and again i.e. before every reinstallation of app-emulation/qemu, I'd like to set this environment variable for the package once (in e.g. a configuration file) and it's done for every future reinstallation. Regards, Daniel
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