[Piglit] [PATCH] cmake: Avoid depending on MinGW runtime DLLs.

[jfonseca at vmware.com]

From: José Fonseca <jfonseca at vmware.com>

It makes the binaries easier to deploy.
---
 CMakeLists.txt |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 47c8b3f..3d7bf35 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,6 +94,22 @@ else ()
 	add_definitions (-D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS)
 endif ()
 
+if (MINGW)
+	# Avoid depending on MinGW runtime DLLs
+	check_cxx_compiler_flag (-static-libgcc HAVE_STATIC_LIBGCC_FLAG)
+	if (HAVE_STATIC_LIBGCC_FLAG)
+		set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc")
+		set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-libgcc")
+		set (CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -static-libgcc")
+	endif ()
+	check_cxx_compiler_flag (-static-libstdc++ HAVE_STATIC_LIBSTDCXX_FLAG)
+	if (HAVE_STATIC_LIBSTDCXX_FLAG)
+		set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libstdc++")
+		set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-libstdc++")
+		set (CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -static-libstdc++")
+	endif ()
+endif ()
+
 if (WIN32)
 	# MSVC & MinGW only define & use APIENTRY
 	add_definitions (-DGLAPIENTRY=__stdcall)
-- 
1.7.9.1