Add VERSION.TXT to overlay packages (arm#192)

(cherry picked from commit 4df1548)

Author: voltur01

arm-software/embedded/CMakeLists.txt

@@ -503,10 +503,12 @@ add_custom_target(
     -DArmToolchainForEmbedded_VERSION=${ArmToolchainForEmbedded_VERSION}
     -DArmToolchainForEmbedded_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}
     -Dllvmproject_src_dir=${llvmproject_src_dir}
-    # at most one of picolibc and newlib source dirs is needed, but easiest to
+    # at most one of picolibc and newlib options is needed, but easiest to
     # specify both definitions
     -Dpicolibc_SOURCE_DIR=${picolibc_SOURCE_DIR}
+    -Dpicolibc_URL=${picolibc_URL}
     -Dnewlib_SOURCE_DIR=${newlib_SOURCE_DIR}
+    -Dnewlib_URL=${newlib_URL}
     # but we do tell the script which library we're actually using
     -DLLVM_TOOLCHAIN_C_LIBRARY=${LLVM_TOOLCHAIN_C_LIBRARY}
     -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/generate_version_txt.cmake
@@ -516,7 +518,7 @@ install(
     FILES
     ${CMAKE_CURRENT_BINARY_DIR}/VERSION.txt
     DESTINATION .
-    COMPONENT llvm-toolchain-docs
+    COMPONENT llvm-toolchain-third-party-licenses
 )
 
 

arm-software/embedded/cmake/VERSION.txt.in

@@ -2,4 +2,4 @@ Arm Toolchain for Embedded ${armtoolchain_VERSION}
 
 Sources:
 * arm-toolchain: https://github.com/arm/arm-toolchain (commit ${armtoolchain_COMMIT})
-* Picolibc: https://github.com/picolibc/picolibc.git (commit ${picolibc_COMMIT})
+* ${LLVM_TOOLCHAIN_C_LIBRARY}: ${LLVM_TOOLCHAIN_C_LIBRARY_URL} (commit ${LLVM_TOOLCHAIN_C_LIBRARY_COMMIT})

arm-software/embedded/cmake/generate_version_txt.cmake

@@ -30,6 +30,11 @@ if(NOT (LLVM_TOOLCHAIN_C_LIBRARY STREQUAL llvmlibc)) # libc in a separate repo?
         OUTPUT_STRIP_TRAILING_WHITESPACE 
         COMMAND_ERROR_IS_FATAL ANY
     )
+    set(LLVM_TOOLCHAIN_C_LIBRARY_URL ${${base_library}_URL})
+    set(LLVM_TOOLCHAIN_C_LIBRARY_COMMIT ${${base_library}_COMMIT})
+else()
+    set(LLVM_TOOLCHAIN_C_LIBRARY_URL "https://github.com/arm/arm-toolchain/tree/arm-software/libc")
+    set(LLVM_TOOLCHAIN_C_LIBRARY_COMMIT ${armtoolchain_COMMIT})
 endif()
 
 configure_file(