toolchain: gcc: improve patch handling by introducing major version

[openwrt/openwrt.git] / toolchain / Config.in

diff --git a/toolchain/Config.in b/toolchain/Config.in
index faff3c8fbb2ac0bc312df87ef3bb64bdb744ba45..fb14006055582e051840c21ed0c07d1d4aa0ca86 100644 (file)
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -38,6 +38,40 @@ menuconfig TARGET_OPTIONS
                  Most people will answer N.
 
 
+       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"
+
+               config BPF_TOOLCHAIN_BUILD_LLVM
+                       select USE_LLVM_BUILD
+                       bool "Build LLVM toolchain for eBPF"
+                       help
+                         If enabled, a LLVM toolchain for building eBPF binaries will be built.
+                         If this is not enabled, eBPF packages can only be built if the host
+                         has a suitable toolchain
+       endchoice
+
+       config BPF_TOOLCHAIN_HOST_PATH
+               string
+               depends on BPF_TOOLCHAIN_HOST
+               prompt "Host LLVM toolchain path (prefix)" if DEVEL
+               default "/usr/local/opt/llvm" if HOST_OS_MACOS
+               default ""
+
 menuconfig EXTERNAL_TOOLCHAIN
        bool
        prompt "Use external toolchain"  if DEVEL
@@ -110,11 +144,6 @@ menuconfig EXTERNAL_TOOLCHAIN
                        bool "glibc"
                        select USE_GLIBC
 
-               config EXTERNAL_TOOLCHAIN_LIBC_USE_UCLIBC
-                       bool "uClibc"
-                       select USE_UCLIBC
-                       depends on !(aarch64 || aarch64_be)
-
                config EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
                        bool "musl"
                        select USE_MUSL
@@ -125,7 +154,6 @@ menuconfig EXTERNAL_TOOLCHAIN
                string
                depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
                default "glibc" if EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC
-               default "uclibc" if EXTERNAL_TOOLCHAIN_LIBC_USE_UCLIBC
                default "musl" if EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
 
        config TOOLCHAIN_BIN_PATH
@@ -219,6 +247,14 @@ comment "Binary tools"
 
 source "toolchain/binutils/Config.in"
 
+config DWARVES
+       bool
+       prompt "Build pahole" if TOOLCHAINOPTS
+       depends on !HOST_OS_MACOS
+       default n
+       help
+         Enable if you want to build pahole and the dwarves tools.
+
 comment "Compiler"
        depends on TOOLCHAINOPTS
 
@@ -237,7 +273,7 @@ comment "C Library"
 
 choice
        prompt "C Library implementation" if TOOLCHAINOPTS
-       default LIBC_USE_UCLIBC if arc
+       default LIBC_USE_GLIBC if arc
        default LIBC_USE_MUSL
        help
          Select the C library implementation.
@@ -245,13 +281,6 @@ choice
        config LIBC_USE_GLIBC
                bool "Use glibc"
                select USE_GLIBC
-               depends on !arc
-
-       config LIBC_USE_UCLIBC
-               select USE_UCLIBC
-               bool "Use uClibc"
-               depends on !(aarch64 || aarch64_be || powerpc64)
-               depends on BROKEN || !(arm || armeb || i386 || x86_64 || mips || mipsel || mips64 || mips64el || powerpc)
 
        config LIBC_USE_MUSL
                select USE_MUSL
@@ -260,7 +289,6 @@ choice
 
 endchoice
 
-source "toolchain/uClibc/Config.in"
 source "toolchain/musl/Config.in"
 
 comment "Debuggers"
@@ -273,10 +301,35 @@ config GDB
        help
          Enable if you want to build the gdb.
 
-config USE_GLIBC
+config GDB_PYTHON
+       bool
+       depends on GDB
+       prompt "Build gdb with python binding"
+       
+       help
+         Enable the python bindings for GDB to allow using python in the gdb shell.
+
+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_UCLIBC
+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
+       bool
+
+config USE_GLIBC
        default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (arc)
        bool
 
@@ -285,7 +338,7 @@ config USE_MUSL
        bool
 
 config SSP_SUPPORT
-       default y if USE_MUSL || GCC_LIBSSP
+       default y if !PKG_CC_STACKPROTECTOR_NONE
        bool
 
 config USE_EXTERNAL_LIBC
@@ -298,15 +351,12 @@ source "toolchain/gcc/Config.version"
 config LIBC
        string
        default "glibc"   if USE_GLIBC
-       default "uClibc"  if USE_UCLIBC
        default "musl"    if USE_MUSL
 
 config TARGET_SUFFIX
        string
        default "gnueabi"         if USE_GLIBC && (arm || armeb)
        default "gnu"             if USE_GLIBC && !(arm || armeb)
-       default "uclibcgnueabi"   if USE_UCLIBC && (arm || armeb)
-       default "uclibc"          if USE_UCLIBC && !(arm || armeb)
        default "muslgnueabi"     if USE_MUSL && (arm || armeb)
        default "musl"            if USE_MUSL && !(arm || armeb)