--- zstd-1.5.1/lib/Makefile.orig	2022-01-08 01:21:29.874503163 +0000
+++ zstd-1.5.1/lib/Makefile	2022-01-08 01:21:43.026368517 +0000
@@ -69,22 +69,10 @@
 
 # macOS linker doesn't support -soname, and use different extension
 # see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
-ifeq ($(UNAME), Darwin)
-  SHARED_EXT = dylib
-  SHARED_EXT_MAJOR = $(LIBVER_MAJOR).$(SHARED_EXT)
-  SHARED_EXT_VER = $(LIBVER).$(SHARED_EXT)
-  SONAME_FLAGS = -install_name $(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR) -compatibility_version $(LIBVER_MAJOR) -current_version $(LIBVER)
-else
-  ifeq ($(UNAME), AIX)
-    SONAME_FLAGS =
-  else
-    SONAME_FLAGS = -Wl,-soname=libzstd.$(SHARED_EXT).$(LIBVER_MAJOR)
-  endif
-  SHARED_EXT = so
-  SHARED_EXT_MAJOR = $(SHARED_EXT).$(LIBVER_MAJOR)
-  SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
-endif
-
+SONAME_FLAGS = -Wl,-soname=libzstd.$(SHARED_EXT).$(LIBVER_MAJOR)
+SHARED_EXT = so
+SHARED_EXT_MAJOR = $(SHARED_EXT).$(LIBVER_MAJOR)
+SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
 
 .PHONY: all
 all: lib