Disable dynamic loading when <dlfcn.h> is not available

kazssym · kazssym · commit cd7ed0f17e81 · 2020-07-02T12:04:22.000+09:00
diff --git a/libcppunitx/module_loader.cpp b/libcppunitx/module_loader.cpp
@@ -106,21 +106,29 @@ namespace
 void module::open(const char *const name)
 {
     close();
+#if HAVE_DLFCN_H
     _native_handle = dlopen(name, RTLD_LAZY);
+#endif
 }
 
 void module::close()
 {
+#if HAVE_DLFCN_H
     native_handle_type handle = nullptr;
     std::swap(_native_handle, handle);
     if (handle != nullptr) {
         dlclose(handle);
     }
+#endif
 }
 
 void *module::sym(const char *symbol)
 {
+#if HAVE_DLFCN_H
     return dlsym(_native_handle, symbol);
+#else
+    return nullptr;
+#endif
 }
 
 void ltmodule::open(const char *const name)

Original file line number	Diff line number	Diff line change
`@@ -106,21 +106,29 @@ namespace`
`106`	`106`	`void module::open(const char *const name)`
`107`	`107`	`{`
`108`	`108`	`close();`
	`109`	`+#if HAVE_DLFCN_H`
`109`	`110`	`_native_handle = dlopen(name, RTLD_LAZY);`
	`111`	`+#endif`
`110`	`112`	`}`
`111`	`113`
`112`	`114`	`void module::close()`
`113`	`115`	`{`
	`116`	`+#if HAVE_DLFCN_H`
`114`	`117`	`native_handle_type handle = nullptr;`
`115`	`118`	`std::swap(_native_handle, handle);`
`116`	`119`	`if (handle != nullptr) {`
`117`	`120`	`dlclose(handle);`
`118`	`121`	`}`
	`122`	`+#endif`
`119`	`123`	`}`
`120`	`124`
`121`	`125`	`void module::sym(const char symbol)`
`122`	`126`	`{`
	`127`	`+#if HAVE_DLFCN_H`
`123`	`128`	`return dlsym(_native_handle, symbol);`
	`129`	`+#else`
	`130`	`+ return nullptr;`
	`131`	`+#endif`
`124`	`132`	`}`
`125`	`133`
`126`	`134`	`void ltmodule::open(const char *const name)`