{"id":2224786,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2224786/?format=json","web_url":"http://patchwork.ozlabs.org/project/buildroot/patch/20260418155515.9980-3-chakrabortyshubham66@gmail.com/","project":{"id":27,"url":"http://patchwork.ozlabs.org/api/1.1/projects/27/?format=json","name":"Buildroot development","link_name":"buildroot","list_id":"buildroot.buildroot.org","list_email":"buildroot@buildroot.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260418155515.9980-3-chakrabortyshubham66@gmail.com>","date":"2026-04-18T15:55:12","name":"[3/3] package/libenca: fix C23 compatibility for getenv/getopt prototypes","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"33a36d0853935891b9168a698898eed9e5f0b8b7","submitter":{"id":92564,"url":"http://patchwork.ozlabs.org/api/1.1/people/92564/?format=json","name":"Shubham Chakraborty","email":"chakrabortyshubham66@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/buildroot/patch/20260418155515.9980-3-chakrabortyshubham66@gmail.com/mbox/","series":[{"id":500451,"url":"http://patchwork.ozlabs.org/api/1.1/series/500451/?format=json","web_url":"http://patchwork.ozlabs.org/project/buildroot/list/?series=500451","date":"2026-04-18T15:55:10","name":"[1/3] package/libenca: bump to version 1.22 and migrate to new upstream","version":1,"mbox":"http://patchwork.ozlabs.org/series/500451/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224786/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224786/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming-buildroot@patchwork.ozlabs.org","buildroot@buildroot.org"],"Delivered-To":["patchwork-incoming-buildroot@legolas.ozlabs.org","buildroot@buildroot.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=buildroot.org header.i=@buildroot.org\n header.a=rsa-sha256 header.s=default header.b=DnL4kA+B;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=buildroot.org\n (client-ip=2605:bc80:3010::136; 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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"buildroot-bounces@buildroot.org","Sender":"\"buildroot\" "},"content":"GCC 15 defaults to C23, which removes support for K&R-style\nunprototyped function declarations. This causes build failures\nwith strict modern C libraries.\n\nAdd proper function prototypes for getopt, getopt_long,\ngetopt_long_only, getenv, and _getopt_internal to comply\nwith C23 requirements.\n\nFixes build with musl libc and GCC 15.\n\nUpstream: https://github.com/Project-OSS-Revival/enca/pull/97\n\nSigned-off-by: Shubham Chakraborty \n---\n ...atibility-for-getenv-getopt-prototyp.patch | 69 +++++++++++++++++++\n 1 file changed, 69 insertions(+)\n create mode 100644 package/libenca/0001-src-fix-C23-compatibility-for-getenv-getopt-prototyp.patch","diff":"diff --git a/package/libenca/0001-src-fix-C23-compatibility-for-getenv-getopt-prototyp.patch b/package/libenca/0001-src-fix-C23-compatibility-for-getenv-getopt-prototyp.patch\nnew file mode 100644\nindex 0000000000..74e92ce677\n--- /dev/null\n+++ b/package/libenca/0001-src-fix-C23-compatibility-for-getenv-getopt-prototyp.patch\n@@ -0,0 +1,69 @@\n+From 1782ea5dd749cd66b38b03aa02bd0c2f9d558f83 Mon Sep 17 00:00:00 2001\n+From: Shubham Chakraborty \n+Date: Sat, 18 Apr 2026 14:25:27 +0530\n+Subject: [PATCH] src: fix C23 compatibility for getenv/getopt prototypes\n+\n+GCC 15 defaults to C23, which no longer supports unprototyped function\n+declarations (K&R style). This fixes conflicts with strict prototypes\n+in modern C libraries like musl.\n+\n+Build-tested in Buildroot using musl libc and C23.\n+\n+Upstream: https://github.com/Project-OSS-Revival/enca/pull/97\n+Signed-off-by: Shubham Chakraborty \n+---\n+ src/getopt.h | 16 +++++++++++-----\n+ src/getopt_long.c | 2 +-\n+ 2 files changed, 12 insertions(+), 6 deletions(-)\n+\n+diff --git a/src/getopt.h b/src/getopt.h\n+index 2eae587..91647ae 100644\n+--- a/src/getopt.h\n++++ b/src/getopt.h\n+@@ -144,7 +144,7 @@ struct option\n+ errors, only prototype getopt for the GNU C library. */\n+ extern int getopt (int __argc, char *const *__argv, const char *__shortopts);\n+ # else /* not __GNU_LIBRARY__ */\n+-extern int getopt ();\n++extern int getopt (int argc, char * const argv[], const char *shortopts);\n+ # endif /* __GNU_LIBRARY__ */\n+ \n+ # ifndef __need_getopt\n+@@ -161,12 +161,18 @@ extern int _getopt_internal (int __argc, char *const *__argv,\n+ \t\t\t int __long_only);\n+ # endif\n+ #else /* not __STDC__ */\n+-extern int getopt ();\n++extern int getopt (int argc, char * const argv[], const char *shortopts);\n+ # ifndef __need_getopt\n+-extern int getopt_long ();\n+-extern int getopt_long_only ();\n++extern int getopt_long (int argc, char *const *argv, const char *shortopts,\n++\t\t const struct option *longopts, int *longind);\n++extern int getopt_long_only (int argc, char *const *argv,\n++\t\t\t const char *shortopts,\n++\t\t const struct option *longopts, int *longind);\n+ \n+-extern int _getopt_internal ();\n++extern int _getopt_internal (int __argc, char *const *__argv,\n++\t\t\t const char *__shortopts,\n++\t\t const struct option *__longopts, int *__longind,\n++\t\t\t int __long_only);\n+ # endif\n+ #endif /* __STDC__ */\n+ \n+diff --git a/src/getopt_long.c b/src/getopt_long.c\n+index caba753..a55fe2a 100644\n+--- a/src/getopt_long.c\n++++ b/src/getopt_long.c\n+@@ -199,7 +199,7 @@ static char *posixly_correct;\n+ whose names are inconsistent. */\n+ \n+ #ifndef getenv\n+-extern char *getenv ();\n++extern char *getenv (const char *name);\n+ #endif\n+ \n+ static char *\n+-- \n+2.53.0\n","prefixes":["3/3"]}