build: Add Fedora 40, and make it default

Author: mpe

README.md

@@ -69,6 +69,7 @@ There are images for various toolchains, they are encoded in the distro name/ver
  - `[email protected]`: Ubuntu 20.04, gcc 9.4.0, binutils 2.34
  - `[email protected]`: Ubuntu 18.04, gcc 7.5.0, binutils 2.30
  - `[email protected]`: Ubuntu 16.04, gcc 5.4.0, binutils 2.26.1
+ - `fedora@40`: Fedora 40, gcc 14.0.1, binutils 2.41-34, clang 18.1.1
  - `fedora@39`: Fedora 39, gcc 13.2.1, binutils 2.40-14, clang 17.0.6
  - `fedora@38`: Fedora 38, gcc 12.2.1, binutils 2.39-3, clang 16.0.2
  - `fedora@37`: Fedora 37, gcc 12.2.1, binutils 2.38-5, clang 15.0.7

build/Makefile

@@ -1,6 +1,6 @@
 all: help
 
-export FEDORA_LATEST := 39
+export FEDORA_LATEST := 40
 
 x86 = $(filter x86_64,$(shell uname -m))
 isa_3 = $(filter arch_3_00,$(shell LD_SHOW_AUXV=1 /bin/true))
@@ -16,7 +16,7 @@ endif
 
 UBUNTU_DISTROS += [email protected] [email protected] [email protected] ubuntu
 
-FEDORA_DISTROS := fedora@${FEDORA_LATEST} fedora@38 fedora@37 fedora@36 fedora@35 fedora@34 fedora@33 fedora@31 fedora
+FEDORA_DISTROS := fedora@${FEDORA_LATEST} fedora@39 fedora@38 fedora@37 fedora@36 fedora@35 fedora@34 fedora@33 fedora@31 fedora
 KORG_DISTROS := [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected]
 ALL_DISTROS := ${UBUNTU_DISTROS} ${KORG_DISTROS} ${FEDORA_DISTROS}
 DOCS_DISTRO := docs@${UBUNTU_LATEST}