Get tests running/passing under Linux (#194)

* Get tests running/passing under Linux

- Fix up `dlopen` abstraction

- Fix up some test cases to request hlsl (rather than default to dxbc) so they can run on non-Windows targets

- Fix up test runner ignore tests that can't run on current platform (and not count those as failure)

- Fix file handle leeak in process spawner absttraction

- Get additional test-related applications building

- More tweaks to Travis script; in theory deployment is set up now (yeah, right)

* fixup

* fixup: Travis environment variable syntax

* fixup: Buffer->begin

* fixup: actually run full tests on one config

* fixup: add build status badge for Travis

2 files changed, 11 insertions, 0 deletions

diff --git a/source/slang-glslang/slang-glslang.cpp b/source/slang-glslang/slang-glslang.cpp
index 21a95c3b9..ae61823d1 100644
--- a/source/slang-glslang/slang-glslang.cpp
+++ b/source/slang-glslang/slang-glslang.cpp
@@ -28,6 +28,7 @@
 #include <Windows.h>
 #endif
 
+#include <memory>
 #include <sstream>
 
 // This is a wrapper to allow us to run the `glslang` compiler
@@ -67,7 +68,11 @@ static void dump(
 
         // also output it for debug purposes
         std::string str((char const*)data, size);
+    #ifdef _WIN32
         OutputDebugStringA(str.c_str());
+    #else
+        fprintf(stderr, "%s\n", str.c_str());;
+    #endif
     }
 }
 
@@ -177,7 +182,11 @@ static int glslang_dissassembleSPIRV(glslang_CompileRequest* request)
 }
 
 extern "C"
+#ifdef _MSC_VER
 _declspec(dllexport)
+#else
+__attribute__((__visibility__("default")))
+#endif
 int glslang_compile(glslang_CompileRequest* request)
 {
     glslang::InitializeProcess();
diff --git a/source/slang-glslang/slang-glslang.h b/source/slang-glslang/slang-glslang.h
index 748ad3dd1..22014de72 100644
--- a/source/slang-glslang/slang-glslang.h
+++ b/source/slang-glslang/slang-glslang.h
@@ -2,6 +2,8 @@
 #ifndef SLANG_GLSLANG_H_INCLUDED
 #define SLANG_GLSLANG_H_INCLUDED
 
+#include <stddef.h>
+
 typedef void (*glslang_OutputFunc)(void const* data, size_t size, void* userData);
 
 enum