From 0e38a3706039607fb276228648f726ca9e15f6f0 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Wed, 31 Dec 2014 16:24:14 +0100
Subject: Feature test for va_copy

MSVC doesn't support va_copy.
---
 src/CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/CMakeLists.txt')

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 87651bc..bb0c7c1 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -117,6 +117,7 @@ install(FILES cmark.h ${CMAKE_CURRENT_BINARY_DIR}/cmark_export.h
 # Feature tests
 include(CheckIncludeFile)
 include(CheckCSourceCompiles)
+include(CheckSymbolExists)
 CHECK_INCLUDE_FILE(stdbool.h HAVE_STDBOOL_H)
 CHECK_C_SOURCE_COMPILES(
   "int main() { __builtin_expect(0,0); return 0; }"
@@ -125,6 +126,7 @@ CHECK_C_SOURCE_COMPILES("
   int f(void) __attribute__ (());
   int main() { return 0; }
 " HAVE___ATTRIBUTE__)
+CHECK_SYMBOL_EXISTS(va_copy stdarg.h HAVE_VA_COPY)
 
 CONFIGURE_FILE(
   ${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
-- 
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