package/compiler-rt: move to llvm-project subfolder

To make version bumping easier, move compiler-rt to a new llvm-project
subfolder and specify site and version for the project.

Signed-off-by: Daniel Lang <d.lang@abatec.at>
Reviewed-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Sebastian Weyer <sebastian.weyer@smile.fr>
Tested-by: Adam Duskett <adam.duskett@amarulasolutions.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/Config.in

@@ -2026,7 +2026,6 @@ menu "Other"
 	source "package/cctz/Config.in"
 	source "package/cereal/Config.in"
 	source "package/cmocka/Config.in"
-	source "package/compiler-rt/Config.in"
 	source "package/cppcms/Config.in"
 	source "package/cracklib/Config.in"
 	source "package/dawgdic/Config.in"
@@ -2130,6 +2129,7 @@ comment "linux-pam plugins"
 endif
 	source "package/liquid-dsp/Config.in"
 	source "package/llvm-project/clang/Config.in"
+	source "package/llvm-project/compiler-rt/Config.in"
 	source "package/llvm-project/llvm/Config.in"
 	source "package/lttng-libust/Config.in"
 	source "package/matio/Config.in"

package/llvm-project/compiler-rt/compiler-rt.mk

@@ -4,11 +4,9 @@
 #
 ################################################################################
 
-# Compiler-RT should be bumped together with LLVM and Clang as the run-time is
-# tied to the version of those tools
-COMPILER_RT_VERSION = 11.1.0
+COMPILER_RT_VERSION = $(LLVM_PROJECT_VERSION)
 COMPILER_RT_SOURCE = compiler-rt-$(COMPILER_RT_VERSION).src.tar.xz
-COMPILER_RT_SITE = https://github.com/llvm/llvm-project/releases/download/llvmorg-$(COMPILER_RT_VERSION)
+COMPILER_RT_SITE = $(LLVM_PROJECT_SITE)
 COMPILER_RT_LICENSE = NCSA MIT
 COMPILER_RT_LICENSE_FILES = LICENSE.TXT
 COMPILER_RT_DEPENDENCIES = host-clang llvm