profile: Remove CC environment variable, use local/bin/cc instead

.local/bin/cc

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+## Setting the CC environment variable may break some Makefiles or other
+## languages like Go (with cgo).
+
+for i in /usr/local/bin/cc /usr/bin/cc /bin/cc clang gcc; do
+	command -v $i >/dev/null 2>&1 && exec $i "$@"
+done

.profile

@@ -40,15 +40,6 @@ prependpath () {
 ## Use this to override system executables.
 prependpath "${HOME}/personal/hackpool"
 
-## C Compiler
-if ! command -v cc >/dev/null 2>&1; then
-	if command -v clang >/dev/null 2>&1; then
-		export CC=clang
-	else
-		export CC=gcc
-	fi
-fi
-
 ## TeXlive -- TODO: Remove once guix has packaged it all properly.
 TEXDIR="${TEXDIR:-/usr/local/texlive}"
 if [ -d "${TEXDIR}" ]; then