[PATCH] D148992: [clang-repl] Fix dynamic library test to avoid cstdio and linker

[Anubhab Ghosh via Phabricator via cfe-commits]

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Some platforms do not have a working linker present. The goal is to
only test the loading of a shared library in clang-repl. A precompiled
library is used instead.

The cstdio header may also not be present. We only need printf.

Related discussion in D141824 <https://reviews.llvm.org/D141824>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D148992

Files:
  clang/test/Interpreter/Inputs/dynamic-library-test.cpp
  clang/test/Interpreter/Inputs/libdynamic-library-test.so
  clang/test/Interpreter/dynamic-library.cpp


Index: clang/test/Interpreter/dynamic-library.cpp
===================================================================
--- clang/test/Interpreter/dynamic-library.cpp
+++ clang/test/Interpreter/dynamic-library.cpp
@@ -1,10 +1,19 @@
 // REQUIRES: host-supports-jit, system-linux
 // UNSUPPORTED: target={{.*-(ps4|ps5)}}
 
-// RUN: %clang -xc++ -o %T/libdynamic-library-test.so -fPIC -shared -DLIBRARY %S/Inputs/dynamic-library-test.cpp
-// RUN: cat %s | env LD_LIBRARY_PATH=%T:$LD_LIBRARY_PATH clang-repl | FileCheck %s
+// To generate libdynamic-library-test.so :
+// clang -xc++ -o libdynamic-library-test.so -fPIC -shared
+//
+// int ultimate_answer = 0;
+// 
+// int calculate_answer() {
+//   ultimate_answer = 42;
+//   return 5;
+// }
 
-#include <cstdio>
+// RUN: cat %s | env LD_LIBRARY_PATH=%S/Inputs:$LD_LIBRARY_PATH clang-repl | FileCheck %s
+
+extern "C" int printf(const char* format, ...);
 
 extern int ultimate_answer;
 int calculate_answer();
Index: clang/test/Interpreter/Inputs/dynamic-library-test.cpp
===================================================================
--- clang/test/Interpreter/Inputs/dynamic-library-test.cpp
+++ /dev/null
@@ -1,6 +0,0 @@
-int ultimate_answer = 0;
-
-int calculate_answer() {
-  ultimate_answer = 42;
-  return 5;
-}


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