INSTALL_LIB can be passed -s flag to strip symbols. Static libraries should not be stripped, only dynamic ones should be stripped.
@$(INSTALL) -d -m 755 $(DESTDIR)$(PKGCONFIGDIR)/ $(DESTDIR)$(INCLUDEDIR)/
@$(INSTALL_DATA) libzstd.pc $(DESTDIR)$(PKGCONFIGDIR)/
@echo Installing libraries
- @$(INSTALL_LIB) libzstd.a $(DESTDIR)$(LIBDIR)
+ @$(INSTALL_DATA) libzstd.a $(DESTDIR)$(LIBDIR)
@$(INSTALL_LIB) libzstd.$(SHARED_EXT_VER) $(DESTDIR)$(LIBDIR)
@ln -sf libzstd.$(SHARED_EXT_VER) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT_MAJOR)
@ln -sf libzstd.$(SHARED_EXT_VER) $(DESTDIR)$(LIBDIR)/libzstd.$(SHARED_EXT)