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objcopy: Don't add zstd to the debug compression options if not available

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If zstd is not available or was intentionally disabled by the user
don't add it to the list of the available options to compress debug
sections when showing usage.

binutils/
	* objcopy.c (copy_usage): Only output
	--compress-debug-sections=zstd if HAVE_ZSTD.
This commit is contained in:
Pietro Monteiro
2025-10-19 20:14:51 -04:00
committed by Alan Modra
parent 17d36c2619
commit 4cfcc5412c
1 changed files with 8 additions and 2 deletions
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10
binutils/objcopy.c
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@@ -570,6 +570,12 @@ static bool write_debugging_info (bfd *, void *, long *, asymbol ***);
static const char *lookup_sym_redefinition (const char *);
static const char *find_section_rename (const char *, flagword *);
#ifdef HAVE_ZSTD
#define ZSTD_OPT "|zstd"
#else
#define ZSTD_OPT ""
#endif
ATTRIBUTE_NORETURN static void
copy_usage (FILE *stream, int exit_status)
{
@@ -692,8 +698,8 @@ copy_usage (FILE *stream, int exit_status)
<commit>\n\
--subsystem <name>[:<version>]\n\
Set PE subsystem to <name> [& <version>]\n\
--compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi|zstd}]\n\
Compress DWARF debug sections\n\
--compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi" ZSTD_OPT "}]\n\
Compress DWARF debug sections\n\
--decompress-debug-sections Decompress DWARF debug sections using zlib\n\
--elf-stt-common=[yes|no] Generate ELF common symbols with STT_COMMON\n\
type\n\