removed -rdynamic flag

SPIRV/CInterface/spirv_c_interface.cpp

@@ -84,6 +84,10 @@ static EShLanguage c_shader_stage(glslang_stage_t stage)
     return EShLangCount;
 }
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 GLSLANG_EXPORT void glslang_program_SPIRV_generate(glslang_program_t* program, glslang_stage_t stage)
 {
     glslang_spv_options_t spv_options {};
@@ -138,3 +142,7 @@ GLSLANG_EXPORT char* glslang_SPIRV_disassemble(const unsigned int* spv_words, si
 
     return buffer;
 }
+
+#ifdef __cplusplus
+}
+#endif

build.zig

@@ -28,10 +28,6 @@ pub fn build(b: *Build) !void {
         try cppflags.append("-g0");
     }
 
-    if (tag == .windows and shared) {
-        try cppflags.append("-rdynamic");
-    }
-
     try cppflags.append("-std=c++17");
 
     const base_flags = &.{ 
@@ -77,6 +73,8 @@ pub fn build(b: *Build) !void {
         .debug = debug,
         .shared = shared_tools,
         .header_path = path,
+        .no_link = true,
+        .no_reduce = true,
     })) |dep| {
         tools_lib = dep.artifact("SPIRV-Tools");
         tools_opt = dep.artifact("SPIRV-Tools-opt");
@@ -180,10 +178,6 @@ pub fn build(b: *Build) !void {
             .target = target,
         });
 
-        if (shared) {
-            glslang_exe.defineCMacro("GLSLANG_IS_SHARED_LIBRARY", "");
-        }
-
         const install_glslang_step = b.step("glslang-standalone", "Build and install glslang.exe");
         install_glslang_step.dependOn(&b.addInstallArtifact(glslang_exe, .{}).step);
         glslang_exe.addCSourceFiles(.{
@@ -247,6 +241,7 @@ pub fn build(b: *Build) !void {
 fn addIncludes(step: *std.Build.Step.Compile) void {
     step.addIncludePath(.{ .path = sdkPath("/" ++ output_path) });
     step.addIncludePath(.{ .path = sdkPath("/") });
+    step.addIncludePath(.{ .path = sdkPath("/External/spirv-tools/include") });
 }
 
 fn ensureCommandExists(allocator: std.mem.Allocator, name: []const u8, exist_check: []const u8) bool {

glslang/CInterface/glslang_c_interface.cpp

@@ -141,6 +141,10 @@ private:
     void* context;
 };
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 GLSLANG_EXPORT int glslang_initialize_process() { return static_cast<int>(glslang::InitializeProcess()); }
 
 GLSLANG_EXPORT void glslang_finalize_process() { glslang::FinalizeProcess(); }
@@ -480,3 +484,7 @@ GLSLANG_EXPORT const char* glslang_program_get_info_debug_log(glslang_program_t*
 {
     return program->program->getInfoDebugLog();
 }
+
+#ifdef __cplusplus
+}
+#endif