[version] bump gcc and other projects to 7.4.0
treec3dd3cb9876b582e02478f36ddc28830348b5f94
-rw-r--r-- 44 .gitignore
-rw-r--r-- 1068 LICENSE
-rw-r--r-- 409 README.md
-rwxr-xr-x 716 cleanit
-rwxr-xr-x 7606 doit
-rw-r--r-- 647 env.bash
drwxr-xr-x - patches
-rw-r--r-- 607 toolvers
-rwxr-xr-x 2186 updatetoolvers