Actually link and run the libjpeg-turbo test program to ensure that JPEG_LIBRARY is set correctly
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4602 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba72c99..e2d33f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,6 +13,7 @@
include(CheckTypeSize)
include(CheckCSourceCompiles)
include(CheckCXXSourceCompiles)
+include(CheckCSourceRuns)
include(CMakeMacroLibtoolFile)
@@ -176,11 +177,28 @@
# Warn if it doesn't seem to be the accelerated libjpeg that's found
set(CMAKE_REQUIRED_LIBRARIES ${JPEG_LIBRARIES})
set(CMAKE_REQUIRED_FLAGS -I${JPEG_INCLUDE_DIR})
+if(MSVC)
+ set(CMAKE_REQUIRED_DEFINITIONS -MT)
+endif()
-check_c_source_compiles("#include <stdio.h>\n#include <jpeglib.h>\nint main(int c, char** v) { return JCS_EXT_RGBX; }" FOUND_LIBJPEG_TURBO)
+check_c_source_runs("\n
+ #include <stdio.h>\n
+ #include <jpeglib.h>\n
+ int main(void) {\n
+ struct jpeg_compress_struct cinfo;\n
+ struct jpeg_error_mgr jerr;\n
+ cinfo.err=jpeg_std_error(&jerr);\n
+ jpeg_create_compress(&cinfo);\n
+ cinfo.input_components = 3;\n
+ jpeg_set_defaults(&cinfo);\n
+ cinfo.in_color_space = JCS_EXT_RGB;\n
+ jpeg_default_colorspace(&cinfo);\n
+ return 0;\n
+ }" FOUND_LIBJPEG_TURBO)
set(CMAKE_REQUIRED_LIBRARIES)
set(CMAKE_REQUIRED_FLAGS)
+set(CMAKE_REQUIRED_DEFINITIONS)
if(NOT FOUND_LIBJPEG_TURBO)
message(STATUS "WARNING: You are not using libjpeg-turbo. Performance will suffer.")