[ELF] Fix --compress-debug-sections=zstd when zlib is disabled

MaskRay · MaskRay · commit 04d0a691af9e · 2024-05-07T16:56:45.000-07:00
diff --git a/lld/ELF/Options.td b/lld/ELF/Options.td
@@ -68,7 +68,7 @@ defm compress_debug_sections:
   MetaVarName<"[none,zlib,zstd]">;
 
 defm compress_sections: EEq<"compress-sections",
-  "Compress output sections that match the glob and do not have the SHF_ALLOC flag."
+  "Compress output sections that match the glob and do not have the SHF_ALLOC flag. "
   "The compression level is <level> (if specified) or a default speed-focused level">,
   MetaVarName<"<section-glob>={none,zlib,zstd}[:level]">;
 
diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp
@@ -438,10 +438,10 @@ template <class ELFT> void OutputSection::maybeCompress() {
     compressed.type = ELFCOMPRESS_ZLIB;
     compressed.checksum = checksum;
   }
+#endif
 
   compressed.shards = std::move(shardsOut);
   flags |= SHF_COMPRESSED;
-#endif
 }
 
 static void writeInt(uint8_t *buf, uint64_t data, uint64_t size) {

Original file line number	Diff line number	Diff line change
`@@ -438,10 +438,10 @@ template <class ELFT> void OutputSection::maybeCompress() {`
`438`	`438`	`compressed.type = ELFCOMPRESS_ZLIB;`
`439`	`439`	`compressed.checksum = checksum;`
`440`	`440`	`}`
	`441`	`+#endif`
`441`	`442`
`442`	`443`	`compressed.shards = std::move(shardsOut);`
`443`	`444`	`flags \|= SHF_COMPRESSED;`
`444`		`-#endif`
`445`	`445`	`}`
`446`	`446`
`447`	`447`	`static void writeInt(uint8_t *buf, uint64_t data, uint64_t size) {`