linux-kernel - [PATCH 2/2] genksyms: use getopt

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Message-Id: <20231105075218.61536-2-masahiroy@kernel.org>
Date:   Sun,  5 Nov 2023 16:52:18 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: [PATCH 2/2] genksyms: use getopt_long() unconditionally

getopt_long() is used by various tools in the kernel (e.g. Kconfig).

It should be fine to use it all the time.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 scripts/genksyms/genksyms.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 6636d5b30eba..f3901c55df23 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -16,9 +16,7 @@
 #include <unistd.h>
 #include <assert.h>
 #include <stdarg.h>
-#ifdef __GNU_LIBRARY__
 #include <getopt.h>
-#endif				/* __GNU_LIBRARY__ */
 
 #include "genksyms.h"
 /*----------------------------------------------------------------------*/
@@ -718,7 +716,6 @@ void error_with_pos(const char *fmt, ...)
 static void genksyms_usage(void)
 {
 	fputs("Usage:\n" "genksyms [-adDTwqhVR] > /path/to/.tmp_obj.ver\n" "\n"
-#ifdef __GNU_LIBRARY__
 	      "  -d, --debug           Increment the debug level (repeatable)\n"
 	      "  -D, --dump            Dump expanded symbol defs (for debugging only)\n"
 	      "  -r, --reference file  Read reference symbols from a file\n"
@@ -728,17 +725,6 @@ static void genksyms_usage(void)
 	      "  -q, --quiet           Disable warnings (default)\n"
 	      "  -h, --help            Print this message\n"
 	      "  -V, --version         Print the release version\n"
-#else				/* __GNU_LIBRARY__ */
-	      "  -d                    Increment the debug level (repeatable)\n"
-	      "  -D                    Dump expanded symbol defs (for debugging only)\n"
-	      "  -r file               Read reference symbols from a file\n"
-	      "  -T file               Dump expanded types into file\n"
-	      "  -p                    Preserve reference modversions or fail\n"
-	      "  -w                    Enable warnings\n"
-	      "  -q                    Disable warnings (default)\n"
-	      "  -h                    Print this message\n"
-	      "  -V                    Print the release version\n"
-#endif				/* __GNU_LIBRARY__ */
 	      , stderr);
 }
 
@@ -747,7 +733,6 @@ int main(int argc, char **argv)
 	FILE *dumpfile = NULL, *ref_file = NULL;
 	int o;
 
-#ifdef __GNU_LIBRARY__
 	struct option long_opts[] = {
 		{"debug", 0, 0, 'd'},
 		{"warnings", 0, 0, 'w'},
@@ -763,9 +748,6 @@ int main(int argc, char **argv)
 
 	while ((o = getopt_long(argc, argv, "dwqVDr:T:ph",
 				&long_opts[0], NULL)) != EOF)
-#else				/* __GNU_LIBRARY__ */
-	while ((o = getopt(argc, argv, "dwqVDr:T:ph")) != EOF)
-#endif				/* __GNU_LIBRARY__ */
 		switch (o) {
 		case 'd':
 			flag_debug++;
-- 
2.40.1