diff --git a/build/bakefiles/multilib.bkl b/build/bakefiles/multilib.bkl
index 05eafd756a..90ca606d72 100644
--- a/build/bakefiles/multilib.bkl
+++ b/build/bakefiles/multilib.bkl
@@ -184,6 +184,10 @@
         <if cond="TOOLKIT=='MSW' and IS_MSVC=='0'">$(TOP_SRCDIR)include/wx/msw/wrl</if>
     </set>
 
+    <set var="webview_edge_pragma_warning">
+        <if cond="TOOLKIT=='MSW' and IS_MSVC=='0'">-Wno-unknown-pragmas</if>
+    </set>
+
     <dll id="webviewdll" template="wx_dll"
          cond="SHARED=='1' and USE_GUI=='1' and USE_WEBVIEW=='1' and MONOLITHIC=='0'">
         <define>WXUSINGDLL</define>
@@ -195,6 +199,7 @@
         <msvc-headers>$(WEBVIEW_HDR)</msvc-headers>
         <include>$(webview_additional_include_wrl)</include>
         <include>$(webview_additional_include)</include>
+        <cxxflags-mingw>$(webview_edge_pragma_warning)</cxxflags-mingw>
     </dll>
 
     <lib id="webviewlib" template="wx_lib"
@@ -203,6 +208,7 @@
         <msvc-headers>$(WEBVIEW_HDR)</msvc-headers>
         <include>$(webview_additional_include_wrl)</include>
         <include>$(webview_additional_include)</include>
+        <cxxflags-mingw>$(webview_edge_pragma_warning)</cxxflags-mingw>
     </lib>
 
     <wxshortcut id="wxwebview" cond="MONOLITHIC=='0' and USE_WEBVIEW=='1'"/>
diff --git a/build/cmake/lib/webview/CMakeLists.txt b/build/cmake/lib/webview/CMakeLists.txt
index 4cbf0fd900..e2ddeb44fb 100644
--- a/build/cmake/lib/webview/CMakeLists.txt
+++ b/build/cmake/lib/webview/CMakeLists.txt
@@ -69,6 +69,7 @@ elseif(WXMSW)
         wx_lib_include_directories(wxwebview PRIVATE "${WEBVIEW2_PACKAGE_DIR}/build/native/include")
         if(NOT MSVC)
             wx_lib_include_directories(wxwebview PRIVATE "${wxSOURCE_DIR}/include/wx/msw/wrl")
+            target_compile_options(wxwebview PRIVATE -Wno-unknown-pragmas)
         endif()
 
         if (CMAKE_SIZEOF_VOID_P EQUAL 4)
diff --git a/build/msw/makefile.gcc b/build/msw/makefile.gcc
index 574f068211..6ff7d9af53 100644
--- a/build/msw/makefile.gcc
+++ b/build/msw/makefile.gcc
@@ -1142,7 +1142,8 @@ WEBVIEWDLL_CXXFLAGS = -I..\..\src\tiff\libtiff -I..\..\src\jpeg \
 	$(____CAIRO_INCLUDEDIR_FILENAMES) -W -Wall -DWXBUILDING -DWXUSINGDLL \
 	-DWXMAKINGDLL_WEBVIEW -I..\..\include\wx\msw\wrl \
 	-I..\..\3rdparty\webview2\build\native\include $(__RTTIFLAG) \
-	$(__EXCEPTIONSFLAG) -Wno-ctor-dtor-privacy $(CPPFLAGS) $(CXXFLAGS)
+	$(__EXCEPTIONSFLAG) -Wno-ctor-dtor-privacy -Wno-unknown-pragmas $(CPPFLAGS) \
+	$(CXXFLAGS)
 WEBVIEWDLL_OBJECTS =  \
 	$(OBJS)\webviewdll_dummy.o \
 	$(OBJS)\webviewdll_webview_ie.o \
@@ -1159,8 +1160,8 @@ WEBVIEWLIB_CXXFLAGS = -I..\..\src\tiff\libtiff -I..\..\src\jpeg \
 	$(__THREAD_DEFINE_p) $(__UNICODE_DEFINE_p) -I$(SETUPHDIR) -I..\..\include \
 	$(____CAIRO_INCLUDEDIR_FILENAMES) -W -Wall -DWXBUILDING \
 	-I..\..\include\wx\msw\wrl -I..\..\3rdparty\webview2\build\native\include \
-	$(__RTTIFLAG) $(__EXCEPTIONSFLAG) -Wno-ctor-dtor-privacy $(CPPFLAGS) \
-	$(CXXFLAGS)
+	$(__RTTIFLAG) $(__EXCEPTIONSFLAG) -Wno-ctor-dtor-privacy \
+	-Wno-unknown-pragmas $(CPPFLAGS) $(CXXFLAGS)
 WEBVIEWLIB_OBJECTS =  \
 	$(OBJS)\webviewlib_dummy.o \
 	$(OBJS)\webviewlib_webview_ie.o \