toolchain: cleanup dependencies
[openwrt/staging/nbd.git] / toolchain / Config.in
index a7da2a1f732535d3c1ac56545728ad725860d012..b0273acafdd7dcfb4862d43da00d45601ed5f8e4 100644 (file)
@@ -41,11 +41,17 @@ menuconfig TARGET_OPTIONS
        choice BPF_TOOLCHAIN
                prompt "BPF toolchain" if DEVEL
                default BPF_TOOLCHAIN_BUILD_LLVM if BUILDBOT
+               default BPF_TOOLCHAIN_PREBUILT if HAS_PREBUILT_LLVM_TOOLCHAIN
                default BPF_TOOLCHAIN_NONE
 
                config BPF_TOOLCHAIN_NONE
                        bool "None"
 
+               config BPF_TOOLCHAIN_PREBUILT
+                       bool "Use prebuilt LLVM toolchain"
+                       depends on HAS_PREBUILT_LLVM_TOOLCHAIN
+                       select USE_LLVM_PREBUILT
+
                config BPF_TOOLCHAIN_HOST
                        select USE_LLVM_HOST
                        bool "Use host LLVM toolchain"
@@ -163,6 +169,7 @@ menuconfig EXTERNAL_TOOLCHAIN
                string
                prompt "Toolchain include path"  if DEVEL
                depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+               default "./usr/include ./include/fortify ./include" if EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
                default "./usr/include ./include"
                help
                  Specify additional directories searched for header files (override
@@ -190,7 +197,6 @@ menuconfig EXTRA_TARGET_ARCH
        bool
        prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS
        depends on !sparc
-       default n
        help
          Some builds may require a 'biarch' toolchain. This option
          allows you to specify an additional target arch.
@@ -241,6 +247,13 @@ comment "Binary tools"
 
 source "toolchain/binutils/Config.in"
 
+config DWARVES
+       bool
+       prompt "Build pahole" if TOOLCHAINOPTS
+       depends on !HOST_OS_MACOS
+       help
+         Enable if you want to build pahole and the dwarves tools.
+
 comment "Compiler"
        depends on TOOLCHAINOPTS
 
@@ -298,10 +311,18 @@ config GDB_PYTHON
 config HAS_BPF_TOOLCHAIN
        bool
 
+config HAS_PREBUILT_LLVM_TOOLCHAIN
+       def_bool $(shell, [ -f llvm-bpf/.llvm-version ] && echo y || echo n)
+
 config USE_LLVM_HOST
        select HAS_BPF_TOOLCHAIN
        bool
 
+config USE_LLVM_PREBUILT
+       select HAS_BPF_TOOLCHAIN
+       default y if !DEVEL && !BUILDBOT && HAS_PREBUILT_LLVM_TOOLCHAIN
+       bool
+
 config USE_LLVM_BUILD
        default y if !DEVEL && BUILDBOT
        select HAS_BPF_TOOLCHAIN