From 24f5907ddb7fd5157ce3cc938bb5b5bcdeb54460 Mon Sep 17 00:00:00 2001 From: Tom de Vries Date: Sun, 9 Nov 2025 08:07:57 +0100 Subject: [PATCH 05/25] [gdb/testsuite] Use -std=c99 in gdb.base/callfuncs.exp In test-case gdb.base/callfuncs.exp I run into: ... gdb compile failed, gdb.base/callfuncs.c: In function 't_func_values': gdb.base/callfuncs.c:611:12: error: too many arguments to function \ 'func_arg1'; expected 0, have 2 611 | return ((*func_arg1) (5,5) == (*func_val1) (5,5) | ~^~~~~~~~~~~ ~ ... Fix this by using -std=c99. Tested on x86_64-linux. Approved-By: Tom Tromey PR testsuite/32756 Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=32756 --- gdb/testsuite/gdb.base/callfuncs.exp | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/gdb/testsuite/gdb.base/callfuncs.exp b/gdb/testsuite/gdb.base/callfuncs.exp index 494b6dfa96f..ed979603a26 100644 --- a/gdb/testsuite/gdb.base/callfuncs.exp +++ b/gdb/testsuite/gdb.base/callfuncs.exp @@ -18,10 +18,20 @@ standard_testfile +set compile_flags {} +lappend compile_flags debug + # We still want to test non-prototype functions for now, which is why # we disable compilers warning about them. -set compile_flags {debug additional_flags=-Wno-deprecated-non-prototype} -if [support_complex_tests] { +lappend compile_flags additional_flags=-Wno-deprecated-non-prototype + +if {[have_compile_flag -std=c99]} { + # Gcc 15 defaults to c23, which no longer supports unprototyped functions. + # Use a c dialect that does support this. + lappend compile_flags additional_flags=-std=c99 +} + +if {[support_complex_tests]} { lappend compile_flags "additional_flags=-DTEST_COMPLEX" } -- 2.51.0