Introduce toolchain meta-components

Introduce host-c-toolchain, host-cxx-toolchain, and host-libcxx
metacomponents, meant to be used to depend on a generic c/c++/libc++ is
available.
Also introduce gcc-host-toolchain, providing host gcc and binutils.

.orchestra/config/components/boost.yml

@@ -26,9 +26,11 @@ install: |
     cxxflags='(@= data.values.regular_cxx_flags @)' \
     linkflags='(@= data.values.regular_linker_flags @) -Wl,-rpath=$ORIGIN/../lib' \
     install
+build_dependencies:
+  - host-cxx-toolchain
+  - glibc
 dependencies:
-  - clang-release
-  - toolchain/host/gcc
+  - host-libcxx
   - libunwind
 #@ end
 

.orchestra/config/components/caliban.yml

@@ -8,8 +8,9 @@ extra_cmake_args: #@ cmake_boost_configuration
 build_dependencies:
   - cmake
   - glibc
+  - host-cxx-toolchain
 dependencies:
-  - clang-release
+  - host-libcxx
   - llvm
   - revng
   - revng-c

.orchestra/config/components/clang_release.yml

@@ -41,8 +41,7 @@ install: |
 build_dependencies:
   - cmake
 dependencies:
-  - toolchain/host/gcc
-  - toolchain/host/binutils
+  - gcc-host-toolchain
   - libunwind
 #@ end
 

.orchestra/config/components/cmake.yml

@@ -22,8 +22,8 @@ configure: |
     -DCMAKE_CXX_FLAGS="(@= data.values.use_old_glibc_cflags @)" \
     -DCMAKE_USE_OPENSSL=OFF
 build_system: make
-dependencies:
-  - toolchain/host/gcc
+build_dependencies:
+  - gcc-host-toolchain
 #@ end
 
 #@overlay/match by=overlay.all, expects=1

.orchestra/config/components/elfutils.yml

@@ -23,9 +23,9 @@ configure: |
     LDFLAGS="(@= data.values.use_old_glibc_lflags @) (@= data.values.modern_linker_flags @) -Wl,-rpath,$RPATH_PLACEHOLDER/lib"
 build_system: make
 build_dependencies:
+  - host-c-toolchain
   - glibc
 dependencies:
-  - toolchain/host/gcc
   - zlib
 #@ end
 

.orchestra/config/components/glib.yml

@@ -43,8 +43,10 @@ install: |
   export LANG=
   (@= ninja @)
   (@= ninja @) install
+build_dependencies:
+  - host-c-toolchain
+  - glibc
 dependencies:
-  - clang-release
   - libffi
   - zlib
 #@ end

.orchestra/config/components/libffi.yml

@@ -21,8 +21,9 @@ configure: |
     CFLAGS="(@= data.values.use_old_glibc_cflags @)" \
     LDFLAGS="(@= data.values.use_old_glibc_lflags @) (@= data.values.modern_linker_flags @) -Wl,-rpath,$RPATH_PLACEHOLDER/lib"
 build_system: make
-dependencies:
-  - toolchain/host/gcc
+build_dependencies:
+  - host-c-toolchain
+  - glibc
 #@ end
 
 #@overlay/match by=overlay.all, expects=1

.orchestra/config/components/libltdl.yml

@@ -18,8 +18,9 @@ configure: |
     CFLAGS="(@= data.values.use_old_glibc_cflags @) -Wno-error" \
     LDFLAGS="(@= data.values.use_old_glibc_lflags @) (@= data.values.modern_linker_flags @) -Wl,-rpath,$RPATH_PLACEHOLDER/lib"
 build_system: make
-dependencies:
-  - toolchain/host/gcc
+build_dependencies:
+  - host-c-toolchain
+  - glibc
 #@ end
 
 #@overlay/match by=overlay.all, expects=1

.orchestra/config/components/libunwind.yml

@@ -27,8 +27,9 @@ configure: |
     CFLAGS="(@= data.values.use_old_glibc_cflags @)" \
     LDFLAGS="(@= data.values.use_old_glibc_lflags @) (@= data.values.modern_linker_flags @) -Wl,-rpath,$RPATH_PLACEHOLDER/lib"
 build_system: make
-dependencies:
-  - toolchain/host/gcc
+build_dependencies:
+  - gcc-host-toolchain
+  - glibc
 #@ end
 
 #@overlay/match by=overlay.all, expects=1

.orchestra/config/components/llvm.yml

@@ -38,9 +38,9 @@ builds:
         fi
       build_dependencies:
         - cmake
+        - host-cxx-toolchain
       dependencies:
-        - toolchain/host/gcc
-        - clang-release
+        - host-libcxx
         - libunwind
       #@ if/end ndebug == False:
       ndebug: false

.orchestra/config/components/macos/clang.lib.yml

@@ -24,8 +24,8 @@ macos/(@= prefix @)-clang:
         rm -f "${TMP_ROOT}${ORCHESTRA_ROOT}/bin/(@= prefix @)-apple-darwin11-clang++"
         cp "$ORCHESTRA_DOTDIR/support/add-sysroot-wrapper.sh" "${TMP_ROOT}${ORCHESTRA_ROOT}/bin/(@= prefix @)-apple-darwin11-clang++"
       dependencies:
-        - macos/sdk
         - clang-release
+        - macos/sdk
         - macos/(@= prefix @)-ld64
 #@ end
 #@ end

.orchestra/config/components/macos/ld64.lib.yml

@@ -44,9 +44,10 @@ macos/(@= prefix @)-ld64:
         cd "$BUILD_DIR/cctools"
         (@= make @)
         (@= make @) install
+      build_dependencies:
+        - host-cxx-toolchain
       dependencies:
+        - host-libcxx
         - macos/libtapi
-        - clang-release
-        - toolchain/host/gcc
 #@ end
 #@ end

.orchestra/config/components/macos/libtapi.lib.yml

@@ -33,7 +33,7 @@ builds:
       cp -a projects/libtapi/include/tapi/Version.inc "${TMP_ROOT}${ORCHESTRA_ROOT}/include/tapi/"
     build_dependencies:
       - cmake
+      - host-cxx-toolchain
     dependencies:
-      - clang-release
-      - toolchain/host/gcc
+      - host-libcxx
 #@ end

.orchestra/config/components/macos/sdk.lib.yml

@@ -11,10 +11,5 @@ builds:
       # echo "TODO: macosx sdk" && exit 1
       # create-package.sh Xcode_9.xip
       extract.sh --into "${TMP_ROOT}${ORCHESTRA_ROOT}" "(@= sdk_archive_name @)"
-    build_dependencies:
-      - cmake
-    dependencies:
-      - clang-release
-      - toolchain/host/gcc
 add_to_path: "$ORCHESTRA_DOTDIR/support/repackage-apple-sdk"
 #@ end

.orchestra/config/components/qemu.yml

@@ -40,9 +40,12 @@ builds:
       install: |
         cd "$BUILD_DIR"
         (@= make @) install
-      dependencies:
-        - llvm
+      build_dependencies:
+        - host-c-toolchain
         - clang-release
+        - glibc
+        - llvm
+      dependencies:
         - zlib
         - glib
       #@ if/end ndebug == False:

.orchestra/config/components/revng.yml

@@ -7,8 +7,9 @@ extra_cmake_args: #@ cmake_boost_configuration
 build_dependencies:
   - revng-qa
   - glibc
+  - host-cxx-toolchain
 dependencies:
-  - toolchain/host/gcc
+  - host-libcxx
   - llvm
   - qemu
   - boost

.orchestra/config/components/revng_c.yml

@@ -7,9 +7,9 @@ extra_cmake_args: #@ cmake_boost_configuration
 build_dependencies:
   - cmake
   - glibc
+  - host-cxx-toolchain
 dependencies:
-  - toolchain/host/gcc
-  - clang-release
+  - host-libcxx
   - revng
   - boost
   - revng-qa

.orchestra/config/components/revng_qa.yml

@@ -20,9 +20,10 @@ configure: |
 build_system: make
 build_dependencies:
   - cmake
-dependencies:
-  - clang-release
+  - host-cxx-toolchain
+  - glibc
   - qemu
+dependencies:
   - toolchain/x86-64/gcc
   - toolchain/i386/gcc
   - toolchain/arm/gcc

.orchestra/config/components/toolchain/arch/host.yml

 #@ load("@ytt:data", "data")
 #@ load("@ytt:overlay", "overlay")
+#@ load("@ytt:template", "template")
 #@ load("/components/toolchain/lib/toolchain.lib.yml", "create_toolchain_components")
 
 #@yaml/text-templated-strings
@@ -47,4 +48,14 @@ extra_gcc_make_variables: LIBRARY_PATH=/usr/lib/x86_64-linux-gnu
 #@overlay/match by=overlay.all, expects=1
 #@overlay/match-child-defaults missing_ok=True
 ---
-components: #@ create_toolchain_components(**params())
+components:
+  _: #@ template.replace(create_toolchain_components(**params()))
+
+  gcc-host-toolchain:
+    builds:
+      default:
+        dependencies:
+          - toolchain/host/gcc
+          - toolchain/host/binutils
+        install: exit 0
+        configure: mkdir -p "$BUILD_DIR"

.orchestra/config/components/toolchain/host_toolchain.yml

+#@ load("@ytt:overlay", "overlay")
+
+#@overlay/match by=overlay.all, expects=1
+#@overlay/match-child-defaults missing_ok=True
+---
+components:
+  host-c-toolchain:
+    builds:
+      default:
+        dependencies:
+          - clang-release
+        install: exit 0
+        configure: mkdir -p "$BUILD_DIR"
+
+  host-cxx-toolchain:
+    builds:
+      default:
+        dependencies:
+          - clang-release
+        install: exit 0
+        configure: mkdir -p "$BUILD_DIR"
+
+  host-libcxx:
+    builds:
+      default:
+        dependencies:
+          - clang-release
+          - toolchain/host/gcc
+        install: exit 0
+        configure: mkdir -p "$BUILD_DIR"