--- a/src/tbbmalloc_proxy/proxy.cpp
+++ b/src/tbbmalloc_proxy/proxy.cpp
@@ -24,7 +24,8 @@
 // of aligned_alloc as required by new C++ standard, this makes it hard to
 // redefine aligned_alloc here. However, running on systems with new libc
 // version, it still needs it to be redefined, thus tricking system headers
-#if defined(__GLIBC_PREREQ) && !__GLIBC_PREREQ(2, 16) && _GLIBCXX_HAVE_ALIGNED_ALLOC
+#if defined(__GLIBC_PREREQ)
+#if !__GLIBC_PREREQ(2, 16) && _GLIBCXX_HAVE_ALIGNED_ALLOC
 // tell <cstdlib> that there is no aligned_alloc
 #undef _GLIBCXX_HAVE_ALIGNED_ALLOC
 // trick <stdlib.h> to define another symbol instead
@@ -32,7 +33,8 @@
 // Fix the state and undefine the trick
 #include <cstdlib>
 #undef aligned_alloc
-#endif // defined(__GLIBC_PREREQ)&&!__GLIBC_PREREQ(2, 16)&&_GLIBCXX_HAVE_ALIGNED_ALLOC
+#endif // !__GLIBC_PREREQ(2, 16)&&_GLIBCXX_HAVE_ALIGNED_ALLOC
+#endif // defined(__GLIBC_PREREQ)
 #endif // __linux__ && !__ANDROID__
 
 #include "proxy.h"
@@ -253,6 +255,7 @@
     return 1;
 }
 
+#ifdef __GLIBC__
 struct mallinfo mallinfo() __THROW
 {
     struct mallinfo m;
@@ -260,6 +263,7 @@
 
     return m;
 }
+#endif
 
 #if __ANDROID__
 // Android doesn't have malloc_usable_size, provide it to be compatible