fix(api,c-api,vm) Try passing --export-dynamic with a build.rs to…

… the linker.

lib/api/build.rs

@@ -0,0 +1,5 @@
+//! Pass `--export-dynamic` to the linker.
+fn main() {
+    #[cfg(target_os = "linux")]
+    println!("cargo:rustc-cdylib-link-arg=--export-dynamic");
+}

lib/c-api/build.rs

@@ -1,5 +1,6 @@
 //! This build script aims at:
 //!
+//! * pass `--export-dynamic` to the linker,
 //! * generating the C header files for the C API,
 //! * setting `inline-c` up.
 
@@ -69,6 +70,9 @@ macro_rules! map_feature_as_c_define {
 }
 
 fn main() {
+    #[cfg(target_os = "linux")]
+    println!("cargo:rustc-cdylib-link-arg=--export-dynamic");
+
     if !running_self() {
         return;
     }

lib/vm/build.rs

@@ -1,8 +1,12 @@
-//! Runtime build script compiles C code using setjmp for trap handling.
+//! 1. Pass `--export-dynamic` to the linker.
+//! 2. Runtime build script compiles C code using setjmp for trap handling.
 
 use std::env;
 
 fn main() {
+    #[cfg(target_os = "linux")]
+    println!("cargo:rustc-cdylib-link-arg=--export-dynamic");
+
     println!("cargo:rerun-if-changed=src/trap/handlers.c");
 
     cc::Build::new()