Add creation of the build-id to the linker flags

Author: imciner2

Project.toml

@@ -1,7 +1,7 @@
 name = "BinaryBuilderBase"
 uuid = "7f725544-6523-48cd-82d1-3fa08ff4056e"
 authors = ["Elliot Saba <[email protected]>"]
-version = "1.39.1"
+version = "1.40.0"
 
 [deps]
 Bzip2_jll = "6e34b625-4abd-537c-b88f-471c36dfa7a0"

src/Runner.jl

@@ -436,6 +436,14 @@ function generate_compiler_wrappers!(platform::AbstractPlatform; bin_path::Abstr
         end
     end
 
+    function buildid_link_flags!(p::AbstractPlatform, flags::Vector{String})
+        # build-id is only supported in the ELF format, which is linux+FreeBSD
+        if Sys.islinux(p) || Sys.isfreebsd(p)
+            # Use a known algorithm to embed the build-id for reproducibility
+            push!(flags, "-Wl,--build-id=sha1")
+        end
+    end
+
     function clang_compile_flags!(p::AbstractPlatform, flags::Vector{String} = String[])
         if lock_microarchitecture
             append!(flags, get_march_flags(arch(p), march(p), "clang"))
@@ -540,6 +548,9 @@ function generate_compiler_wrappers!(platform::AbstractPlatform; bin_path::Abstr
                 append!(flags, min_macos_version_linker_flags())
             end
         end
+
+        buildid_link_flags!(p, flags)
+
         return flags
     end
 
@@ -630,6 +641,7 @@ function generate_compiler_wrappers!(platform::AbstractPlatform; bin_path::Abstr
             push!(flags, "-Wl,--no-insert-timestamp")
         end
         sanitize_link_flags!(p, flags)
+        buildid_link_flags!(p, flags)
         return flags
     end