diff options
Diffstat (limited to 'meta/recipes-devtools/autoconf/autoconf/0001-Port-to-compilers-that-moan-about-K-R-func-decls.patch')
| -rw-r--r-- | meta/recipes-devtools/autoconf/autoconf/0001-Port-to-compilers-that-moan-about-K-R-func-decls.patch | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/meta/recipes-devtools/autoconf/autoconf/0001-Port-to-compilers-that-moan-about-K-R-func-decls.patch b/meta/recipes-devtools/autoconf/autoconf/0001-Port-to-compilers-that-moan-about-K-R-func-decls.patch new file mode 100644 index 0000000000..4f15bf96c3 --- /dev/null +++ b/meta/recipes-devtools/autoconf/autoconf/0001-Port-to-compilers-that-moan-about-K-R-func-decls.patch @@ -0,0 +1,138 @@ +From 7a3bbca81b803ba116b83c82de378e840cc35f81 Mon Sep 17 00:00:00 2001 +From: Paul Eggert <eggert@cs.ucla.edu> +Date: Thu, 1 Sep 2022 16:19:50 -0500 +Subject: [PATCH] Port to compilers that moan about K&R func decls +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +* lib/autoconf/c.m4 (AC_LANG_CALL, AC_LANG_FUNC_LINK_TRY): +Use '(void)' rather than '()' in function prototypes, as the latter +provokes fatal errors in some compilers nowadays. +* lib/autoconf/functions.m4 (AC_FUNC_STRTOD): +* tests/fortran.at (AC_F77_DUMMY_MAIN usage): +* tests/semantics.at (AC_CHECK_DECLS): +Don’t use () in a function decl. + +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=8b5e2016c7ed2d67f31b03a3d2e361858ff5299b] +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + doc/autoconf.texi | 7 +++---- + lib/autoconf/c.m4 | 6 +++--- + lib/autoconf/functions.m4 | 3 --- + tests/fortran.at | 8 ++++---- + tests/semantics.at | 2 +- + 5 files changed, 11 insertions(+), 15 deletions(-) + +--- a/doc/autoconf.texi ++++ b/doc/autoconf.texi +@@ -5465,9 +5465,7 @@ the @samp{#undef malloc}): + #include <config.h> + #undef malloc + +-#include <sys/types.h> +- +-void *malloc (); ++#include <stdlib.h> + + /* Allocate an N-byte block of memory from the heap. + If N is zero, allocate a 1-byte block. */ +@@ -8295,7 +8293,7 @@ needed: + # ifdef __cplusplus + extern "C" + # endif +- int F77_DUMMY_MAIN () @{ return 1; @} ++ int F77_DUMMY_MAIN (void) @{ return 1; @} + #endif + @end example + +--- a/lib/autoconf/c.m4 ++++ b/lib/autoconf/c.m4 +@@ -127,7 +127,7 @@ m4_if([$2], [main], , + [/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +-char $2 ();])], [return $2 ();])]) ++char $2 (void);])], [return $2 ();])]) + + + # AC_LANG_FUNC_LINK_TRY(C)(FUNCTION) +@@ -151,7 +151,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(C)], + #define $1 innocuous_$1 + + /* System header to define __stub macros and hopefully few prototypes, +- which can conflict with char $1 (); below. */ ++ which can conflict with char $1 (void); below. */ + + #include <limits.h> + #undef $1 +@@ -162,7 +162,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(C)], + #ifdef __cplusplus + extern "C" + #endif +-char $1 (); ++char $1 (void); + /* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +--- a/lib/autoconf/functions.m4 ++++ b/lib/autoconf/functions.m4 +@@ -1601,9 +1601,6 @@ AC_DEFUN([AC_FUNC_STRTOD], + AC_CACHE_CHECK(for working strtod, ac_cv_func_strtod, + [AC_RUN_IFELSE([AC_LANG_SOURCE([[ + ]AC_INCLUDES_DEFAULT[ +-#ifndef strtod +-double strtod (); +-#endif + int + main (void) + { +--- a/tests/fortran.at ++++ b/tests/fortran.at +@@ -233,7 +233,7 @@ void FOOBAR_F77 (double *x, double *y); + # ifdef __cplusplus + extern "C" + # endif +- int F77_DUMMY_MAIN () { return 1; } ++ int F77_DUMMY_MAIN (void) { return 1; } + #endif + + int main(int argc, char *argv[]) +@@ -315,7 +315,7 @@ void FOOBAR_FC(double *x, double *y); + # ifdef __cplusplus + extern "C" + # endif +- int FC_DUMMY_MAIN () { return 1; } ++ int FC_DUMMY_MAIN (void) { return 1; } + #endif + + int main (int argc, char *argv[]) +@@ -561,7 +561,7 @@ void @foobar@ (int *x); + # ifdef __cplusplus + extern "C" + # endif +- int F77_DUMMY_MAIN () { return 1; } ++ int F77_DUMMY_MAIN (void) { return 1; } + #endif + + int main(int argc, char *argv[]) +@@ -637,7 +637,7 @@ void @foobar@ (int *x); + # ifdef __cplusplus + extern "C" + # endif +- int FC_DUMMY_MAIN () { return 1; } ++ int FC_DUMMY_MAIN (void) { return 1; } + #endif + + int main(int argc, char *argv[]) +--- a/tests/semantics.at ++++ b/tests/semantics.at +@@ -207,7 +207,7 @@ AT_CHECK_MACRO([AC_CHECK_DECLS], + [[extern int yes; + enum { myenum }; + extern struct mystruct_s { int x[20]; } mystruct; +- extern int myfunc(); ++ extern int myfunc (int); + #define mymacro1(arg) arg + #define mymacro2]]) + # Ensure we can detect missing declarations of functions whose |