luzer: use CMAKE_SHARED_LIBRARY_SUFFIX

The patch replace static suffix ".so" for shared libraries with
CMAKE_SHARED_LIBRARY_SUFFIX [1]. Needed for the following patch
with macOS support.

Needed for #59

1. https://cmake.org/cmake/help/latest/variable/CMAKE_SHARED_LIBRARY_SUFFIX.html

Author: ligurio

cmake/BuildLibSanitizers.cmake

@@ -56,8 +56,8 @@ list(APPEND LIBCLANG_UBSAN_STRIP
   ubsan_init_standalone_preinit.cpp.o
 )
 
-set(ASAN_DSO "libfuzzer_with_asan.so")
-set(UBSAN_DSO "libfuzzer_with_ubsan.so")
+set(ASAN_DSO "libfuzzer_with_asan${CMAKE_SHARED_LIBRARY_SUFFIX}")
+set(UBSAN_DSO "libfuzzer_with_ubsan${CMAKE_SHARED_LIBRARY_SUFFIX}")
 
 GEN_BUILD_TARGET("asan"
   ${LIBCLANG_ASAN_LIB}

luzer/CMakeLists.txt

@@ -90,7 +90,7 @@ install(
   TARGETS luzer_impl
   LIBRARY
   DESTINATION "${CMAKE_LIBDIR}/"
-  RENAME luzer.so
+  RENAME luzer${CMAKE_SHARED_LIBRARY_SUFFIX}
 )
 
 install(

luzer/tests/CMakeLists.txt

@@ -2,7 +2,7 @@ include(MakeLuaPath)
 
 make_lua_path(LUA_CPATH
   PATHS
-  ${PROJECT_BINARY_DIR}/luzer/?.so
+  ${PROJECT_BINARY_DIR}/luzer/?${CMAKE_SHARED_LIBRARY_SUFFIX}
 )
 
 make_lua_path(LUA_PATH
@@ -339,13 +339,13 @@ list(APPEND TEST_ENV
 )
 if (LUA_HAS_JIT)
   generate_ffi_test(luzer_ffi
-    "${TEST_ENV};FFI_LIB_NAME=testlib.so"
+    "${TEST_ENV};FFI_LIB_NAME=testlib${CMAKE_SHARED_LIBRARY_SUFFIX}"
     "Done 10 runs in 0 second"
   )
   string(JOIN ";" TEST_ENVIRONMENT
     "${TEST_ENV}"
     LD_PRELOAD=${ASAN_DSO_PATH}
-    FFI_LIB_NAME=testlib_asan.so
+    FFI_LIB_NAME=testlib_asan${CMAKE_SHARED_LIBRARY_SUFFIX}
   )
   # XXX: Memory leak in FDP is expected, should be fixed in [1].
   # 1. https://github.com/ligurio/luzer/issues/52
@@ -356,7 +356,7 @@ if (LUA_HAS_JIT)
   string(JOIN ";" TEST_ENVIRONMENT
     "${TEST_ENV}"
     LD_PRELOAD=${UBSAN_DSO_PATH}
-    FFI_LIB_NAME=testlib_ubsan.so
+    FFI_LIB_NAME=testlib_ubsan${CMAKE_SHARED_LIBRARY_SUFFIX}
   )
   generate_ffi_test(luzer_ffi_ubsan
     "${TEST_ENVIRONMENT}"
@@ -365,7 +365,7 @@ if (LUA_HAS_JIT)
   string(JOIN ";" TEST_ENVIRONMENT
     "${TEST_ENV}"
     LD_PRELOAD=${ASAN_DSO_PATH}
-    FFI_LIB_NAME=testlib_asan.so
+    FFI_LIB_NAME=testlib_asan${CMAKE_SHARED_LIBRARY_SUFFIX}
     ERR_INJECTION=HEAP_BUFFER_OVERFLOW
   )
   generate_ffi_test(luzer_ffi_asan_heap_overflow
@@ -375,7 +375,7 @@ if (LUA_HAS_JIT)
   string(JOIN ";" TEST_ENVIRONMENT
     "${TEST_ENV}"
     LD_PRELOAD=${UBSAN_DSO_PATH}
-    FFI_LIB_NAME=testlib_ubsan.so
+    FFI_LIB_NAME=testlib_ubsan${CMAKE_SHARED_LIBRARY_SUFFIX}
     ERR_INJECTION=NULL_POINTER_DEREF
   )
   generate_ffi_test(luzer_ffi_ubsan_null_pointer_deref