This patch closes issue when running "guix shell --container --emulate-fhs clang-toolchain gcc-toolchain" or "guix shell --container --emulate-fhs clang-toolchain gcc-toolchain":

diff --git a/guix/scripts/environment.scm b/guix/scripts/environment.scm

index a219b2ac89..37f11395f9 100644

--- a/guix/scripts/environment.scm

+++ b/guix/scripts/environment.scm

@@ -464,7 +464,8 @@ (define (setup-fhs profile)

;; /bin since that already has the sh symlink and the other (optional) FHS

;; bin directories will link to /bin.

(let ((gcc-path (string-append profile "/bin/gcc")))

- (if (file-exists? gcc-path)

+ (if (and (file-exists? gcc-path)

+ (not (file-exists? "/bin/cc")))

(symlink gcc-path "/bin/cc")))

;; Guix's ldconfig doesn't search in FHS default locations, so provide a

Cheers,

Marco