Fix 599 (Ubuntu 26.04 compat) by statically linking libxml2.so

THIRD-PARTY-NOTICES.txt

@@ -0,0 +1,23 @@
+libxml2
+=======
+
+Copyright (C) 1998-2012 Daniel Veillard. All Rights Reserved.
+Copyright (C) The Libxml2 Contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

src/CMakeLists.txt

@@ -1,8 +1,8 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-# Require at least version 3.14 of CMake
-cmake_minimum_required(VERSION 3.14)
+# Require at least version 3.18 of CMake
+cmake_minimum_required(VERSION 3.18)
 
 IF(NOT EXISTS "${CMAKE_INSTALL_PREFIX}" OR NOT IS_DIRECTORY "${CMAKE_INSTALL_PREFIX}")
     message(FATAL_ERROR "Required property CMAKE_INSTALL_PREFIX not correctly defined.")
@@ -233,6 +233,53 @@ function(generate_exports_file inputFilename versionName outputFilename)
                               PROPERTIES GENERATED TRUE)
 endfunction()
 
+function(fetch_libxml2)
+    include(FetchContent)
+
+    set(BUILD_SHARED_LIBS OFF)
+    set(LIBXML2_WITH_C14N OFF)
+    set(LIBXML2_WITH_CATALOG OFF)
+    set(LIBXML2_WITH_DEBUG OFF)
+    set(LIBXML2_WITH_DOCS OFF)
+    set(LIBXML2_WITH_HTML OFF)
+    set(LIBXML2_WITH_HTTP OFF)
+    set(LIBXML2_WITH_ICU OFF)
+    set(LIBXML2_WITH_MODULES OFF)
+    set(LIBXML2_WITH_OUTPUT OFF)
+    set(LIBXML2_WITH_PATTERN OFF)
+    set(LIBXML2_WITH_PROGRAMS OFF)
+    set(LIBXML2_WITH_PYTHON OFF)
+    set(LIBXML2_WITH_READER OFF)
+    set(LIBXML2_WITH_REGEXPS OFF)
+    set(LIBXML2_WITH_RELAXNG OFF)
+    set(LIBXML2_WITH_SCHEMAS OFF)
+    set(LIBXML2_WITH_SCHEMATRON OFF)
+    set(LIBXML2_WITH_TESTS OFF)
+    set(LIBXML2_WITH_WRITER OFF)
+    set(LIBXML2_WITH_XINCLUDE OFF)
+    set(LIBXML2_WITH_XPATH OFF)
+    set(LIBXML2_WITH_XPTR OFF)
+    set(LIBXML2_WITH_ZLIB OFF)
+
+    FetchContent_Declare(
+        libxml2
+        URL https://download.gnome.org/sources/libxml2/2.15/libxml2-2.15.3.tar.xz
+        URL_HASH SHA256=78262a6e7ac170d6528ebfe2efccdf220191a5af6a6cd61ea4a9a9a5042c7a07
+    )
+    FetchContent_MakeAvailable(libxml2)
+
+    set_target_properties(LibXml2 PROPERTIES
+        C_VISIBILITY_PRESET hidden
+        VISIBILITY_INLINES_HIDDEN true
+    )
+
+    if(CMAKE_SYSTEM_NAME STREQUAL Linux)
+        target_link_options(LibXml2 INTERFACE
+            "LINKER:--exclude-libs,libxml2.a"
+        )
+    endif()
+endfunction()
+
 macro (fetch_google_test)
     include(FetchContent)
     FetchContent_Declare(
@@ -365,6 +412,8 @@ add_library_pal(coreclrpal true ${CORECLR_PAL_ROOT}/lib/${CMAKE_BUILD_TYPE}/libc
 add_library_pal(palrt true ${CORECLR_PAL_ROOT}/lib/${CMAKE_BUILD_TYPE}/libpalrt.a)
 add_library_pal(corguids false ${CORECLR_PAL_ROOT}/lib/${CMAKE_BUILD_TYPE}/libcorguids.a)
 
+fetch_libxml2()
+
 add_subdirectory(unix/src)
 add_subdirectory(unix/src/atl)
 add_subdirectory(Common.Lib)

src/Common.Lib/CMakeLists.txt

@@ -3,9 +3,8 @@
 
 cmake_minimum_required(VERSION 3.14)
 project(Common.Lib)
-find_package(LibXml2 REQUIRED)
 
-include_directories(. ${LIBXML2_INCLUDE_DIR})
+include_directories(.)
 build_init(CPP Common.Lib)
 
 #note: we purposfully exclude windows-only files,
@@ -28,4 +27,9 @@ add_lib(${PROJECT_NAME}
     ${src_files}
     )
 
+target_link_libraries(${PROJECT_NAME}
+    PUBLIC
+    LibXml2::LibXml2
+)
+
 #target_compile_options(Common.Lib PUBLIC "-H")

src/InstrumentationEngine.Lib/CMakeLists.txt

@@ -3,9 +3,8 @@
 
 cmake_minimum_required(VERSION 3.14)
 project(InstrumentationEngine.Lib)
-find_package(LibXml2 REQUIRED)
 
-include_directories(. ${LIBXML2_INCLUDE_DIR})
+include_directories(.)
 
 build_init(CPP InstrumentationEngine.Lib)
 
@@ -30,4 +29,9 @@ add_lib(${PROJECT_NAME}
     true # use_redefines
     false # hide_symbols
     ${src_files}
-    )
+    )
+
+target_link_libraries(${PROJECT_NAME}
+    PRIVATE
+    LibXml2::LibXml2
+)

src/InstrumentationEngine.NuGet/InstrumentationEngine.nuspec

@@ -26,6 +26,7 @@
 
     <!-- Licensing -->
     <file src="$enlistmentroot$\$licenseFile$*" target="" />
+    <file src="$enlistmentroot$\THIRD-PARTY-NOTICES.txt" target="" />
 
     <!-- Icon -->
     <file src="$enlistmentroot$\src\SharedNuGetAssets\icon.png" target="" />

src/InstrumentationEngine/CMakeLists.txt

@@ -5,9 +5,7 @@
 cmake_minimum_required(VERSION 2.8.12)
 project(InstrumentationEngine)
 
-find_package(LibXml2 REQUIRED)
-
-include_directories(. ../InstrumentationEngine.Lib ${LIBXML2_INCLUDE_DIR})
+include_directories(. ../InstrumentationEngine.Lib)
 
 build_init(CPP InstrumentationEngine)
 
@@ -90,7 +88,6 @@ endif()
 target_link_libraries(${PROJECT_NAME}
     pthread
     stdc++
-    ${LIBXML2_LIBRARIES}
     ${CORECLRPAL}
     ${LINUXPAL}
     ${ATL}

src/Tests/CommonLibTests/CMakeLists.txt

@@ -7,10 +7,9 @@ cmake_minimum_required(VERSION 3.14)
 fetch_google_test()
 
 project(Common.LibTests)
-find_package(LibXml2 REQUIRED)
 
 # the midl directory is needed to replace the rpc headers referenced by midl generated headers.
-include_directories(. ${REPOSITORY_ROOT}/src/unix/inc/midl ${REPOSITORY_ROOT}/src ${LIBXML2_INCLUDE_DIR})
+include_directories(. ${REPOSITORY_ROOT}/src/unix/inc/midl ${REPOSITORY_ROOT}/src)
 
 build_init(CPP Common.LibTests)
 
@@ -29,7 +28,6 @@ add_executable(
 
 target_link_libraries(
     ${PROJECT_NAME}
-    ${LIBXML2_LIBRARIES}
     Common.Lib
     gtest_main
 )

src/Tests/InstrEngineTests/NaglerInstrumentationMethod/CMakeLists.txt

@@ -4,9 +4,8 @@
 cmake_minimum_required(VERSION 3.14)
 
 project(NaglerInstrumentationEngine)
-find_package(LibXml2 REQUIRED)
 
-include_directories(. ${REPOSITORY_ROOT}/src ${LIBXML2_INCLUDE_DIR})
+include_directories(. ${REPOSITORY_ROOT}/src)
 
 # don't use the PAL for tests
 build_init(CPP InstrumentationEngine)
@@ -47,7 +46,6 @@ target_link_libraries(
     ${PROJECT_NAME}
     pthread
     stdc++
-    ${LIBXML2_LIBRARIES}
     Common.Lib
 )
 

src/Tests/InstrumentationEngineLibTests/CMakeLists.txt

@@ -7,9 +7,8 @@ cmake_minimum_required(VERSION 3.14)
 fetch_google_test()
 
 project(InstrumentationEngine.LibTests)
-find_package(LibXml2 REQUIRED)
 
-include_directories(. ${REPOSITORY_ROOT}/src ${LIBXML2_INCLUDE_DIR})
+include_directories(. ${REPOSITORY_ROOT}/src)
 
 # don't use the PAL for tests
 build_init(CPP InstrumentationEngine.LibTests)
@@ -58,7 +57,6 @@ target_link_libraries(
     ${PROJECT_NAME}
     pthread
     stdc++
-    ${LIBXML2_LIBRARIES}
     ${CORECLRPAL}
     ${LINUXPAL}
     ${ATL}

src/build.sh

@@ -134,15 +134,13 @@ get_cmake()
     echo "found cmake version $cmakeVersion"
     cmakeMajor=$(echo $cmakeVersion | sed 's/^.*[^0-9]\([0-9]*\)\..*$/\1'/)
     cmakeMinor=$(echo $cmakeVersion | sed 's/^.*[^0-9]*\.\([0-9]*\)\..*$/\1'/)
-    if (( $cmakeMajor > 3 )); then
-        if (( $cmakeMinor >= 14 )); then
-            # found sufficient cmake, continue.
-            echo $cmakeLocation
-            return
-        fi
+    if (( $cmakeMajor > 3 || ($cmakeMajor == 3 && $cmakeMinor >= 18) )); then
+        # found sufficient cmake, continue.
+        echo $cmakeLocation
+        return
     fi
 
-    echo "Insufficient cmake version. Ensure cmake version 3.14 or later is installed"
+    echo "Insufficient cmake version. Ensure cmake version 3.18 or later is installed"
     exit 1
 }
 

src/unix/docker/context/components/libxml2/cgmanifest.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://json.schemastore.org/component-detection-manifest.json",
+  "Registrations": [
+    {
+      "Component": {
+        "Type": "other",
+        "other": {
+          "Name": "libxml2",
+          "Version": "2.15.3",
+          "DownloadUrl": "https://download.gnome.org/sources/libxml2/2.15/libxml2-2.15.3.tar.xz",
+          "SHA256CHECK": "78262a6e7ac170d6528ebfe2efccdf220191a5af6a6cd61ea4a9a9a5042c7a07"
+        }
+      },
+      "DevelopmentDependency": false
+    }
+  ]
+}