main/llvm15: add llvm-config-$version

main/llvm15/APKBUILD

@@ -10,7 +10,7 @@ _pkgname=llvm
 pkgver=15.0.7
 _majorver=${pkgver%%.*}
 pkgname=$_pkgname$_majorver
-pkgrel=7
+pkgrel=8
 pkgdesc="Low Level Virtual Machine compiler system, version $_majorver"
 arch="all"
 url="https://llvm.org/"
@@ -269,6 +269,10 @@ dev() {
 		ln -sf llvm$_majorver/lib/LLVMgold.so "$pkgdir"/usr/lib/
 		ln -sf llvm$_majorver/lib/libLTO.so "$pkgdir"/usr/lib/
 	fi
+
+	# also add a suffix-version variant of llvm-config, as that's what things normally check for
+	mkdir -p "$subpkgdir"/usr/bin/
+	ln -sfv ../lib/llvm$_llvmver/bin/llvm-config "$subpkgdir"/usr/bin/llvm-config-$_llvmver
 }
 
 _test_utils() {