From 94b399418cf37df6934ae3defbec8626af2cd965 Mon Sep 17 00:00:00 2001
From: cnbatch <cnbatch@gmail.com>
Date: Wed, 19 May 2021 04:31:57 +0800
Subject: [PATCH] Fix an issue that MSVC 2019 cannot compile with CMake

Fix using PCH with MSVC too, which notably fixes using it with vcpkg.

Closes https://github.com/wxWidgets/wxWidgets/pull/2372

Co-Authored-By: Maarten Bent <MaartenBent@users.noreply.github.com>
---
 build/cmake/functions.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build/cmake/functions.cmake b/build/cmake/functions.cmake
index 06116384c7..f82ff941bb 100644
--- a/build/cmake/functions.cmake
+++ b/build/cmake/functions.cmake
@@ -383,7 +383,7 @@ endmacro()
 # Enable cotire for target, use optional second argument for prec. header
 macro(wx_target_enable_precomp target_name)
     target_compile_definitions(${target_name} PRIVATE WX_PRECOMP)
-    if(NOT ${ARGV1} STREQUAL "")
+    if(${ARGC} GREATER 1 AND NOT ${ARGV1} STREQUAL "")
         set_target_properties(${target_name} PROPERTIES
             COTIRE_CXX_PREFIX_HEADER_INIT ${ARGV1})
     endif()