Bug 1953015 - Fix missing ProcessPrng@8 symbol in MinGW build r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D241736

toolkit/crashreporter/client/app/src/main.rs

@@ -252,3 +252,9 @@ fn try_run(config: &mut Arc<Config>) -> anyhow::Result<bool> {
         logic::ReportCrash::new(config.clone(), extra)?.run()
     }
 }
+
+// `std` uses `raw-dylib` to link this dll, but that doesn't work properly on x86 MinGW, so we explicitly
+// have to link it.
+#[cfg(all(target_os = "windows", target_env = "gnu"))]
+#[link(name="bcryptprimitives")]
+extern "C" {}

toolkit/crashreporter/mozwer-rust/moz.build

@@ -11,3 +11,8 @@ OS_LIBS += [
     "userenv",
     "ws2_32",
 ]
+
+# `std` uses `raw-dylib` to link this dll, but that doesn't work properly on x86 MinGW, so we explicitly
+# have to link it.
+if CONFIG["OS_ARCH"] == "WINNT" and CONFIG["CC_TYPE"] != "clang-cl":
+    OS_LIBS += ["bcryptprimitives"]

toolkit/library/moz.build

@@ -27,6 +27,7 @@ def Libxul(name, output_category=None):
 
     DELAYLOAD_DLLS += [
         "avrt.dll",
+        "bcryptprimitives.dll",
         "comdlg32.dll",
         "credui.dll",
         "d3d11.dll",
@@ -379,6 +380,11 @@ if CONFIG["OS_ARCH"] == "WINNT":
         "runtimeobject",
     ]
 
+    # `std` uses `raw-dylib` to link this dll, but that doesn't work properly on x86 MinGW, so we explicitly
+    # have to link it.
+    if CONFIG["CC_TYPE"] != "clang-cl":
+        OS_LIBS += ["bcryptprimitives"]
+
     if CONFIG["ACCESSIBILITY"]:
         OS_LIBS += [
             "oleacc",