Description: Use system re2 lib (libre2-dev)
Forwarded: not-needed
Author: Dylan Aïssi <daissi@debian.org>

--- a/cmake/external/onnxruntime_external_deps.cmake
+++ b/cmake/external/onnxruntime_external_deps.cmake
@@ -42,7 +42,7 @@
     EXCLUDE_FROM_ALL
     FIND_PACKAGE_ARGS NAMES re2
 )
-onnxruntime_fetchcontent_makeavailable(re2)
+#onnxruntime_fetchcontent_makeavailable(re2)
 
 if (onnxruntime_BUILD_UNIT_TESTS)
   # WebAssembly threading support in Node.js is still an experimental feature and
@@ -399,6 +399,25 @@
     EXCLUDE_FROM_ALL
     FIND_PACKAGE_ARGS 23.5.9 NAMES Flatbuffers flatbuffers FlatBuffers
 )
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(RE2 re2)
+if(RE2_FOUND)
+  set(re2_FOUND "${RE2_FOUND}")
+  add_library(re2::re2 INTERFACE IMPORTED)
+  if(RE2_INCLUDE_DIRS)
+    set_property(TARGET re2::re2 PROPERTY
+                 INTERFACE_INCLUDE_DIRECTORIES "${RE2_INCLUDE_DIRS}")
+  endif()
+  if(RE2_CFLAGS_OTHER)
+    set_property(TARGET re2::re2 PROPERTY
+                 INTERFACE_COMPILE_OPTIONS "${RE2_CFLAGS_OTHER}")
+  endif()
+  if(RE2_LDFLAGS)
+    set_property(TARGET re2::re2 PROPERTY
+                 INTERFACE_LINK_LIBRARIES "${RE2_LDFLAGS}")
+  endif()
+  message(STATUS "Found RE2 via pkg-config.")
+endif()
 
 onnxruntime_fetchcontent_makeavailable(flatbuffers)
 if(NOT flatbuffers_FOUND)