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openSUSE:Maintenance:12.2_ArchPorts
cross-s390-gcc47-icecream-backend
Wunprototyped-calls.diff
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File Wunprototyped-calls.diff of Package cross-s390-gcc47-icecream-backend
Index: gcc/c-family/c.opt =================================================================== *** gcc/c-family/c.opt.orig 2012-02-07 11:33:52.000000000 +0100 --- gcc/c-family/c.opt 2012-02-08 12:54:08.000000000 +0100 *************** Wunused-local-typedefs *** 665,670 **** --- 665,674 ---- C ObjC C++ ObjC++ Var(warn_unused_local_typedefs) Warning Warn when typedefs locally defined in a function are not used + Wunprototyped-calls + C Var(warn_unprototyped_calls) Warning + Warn about calls to unprototyped functions with at least one argument + Wunused-macros C ObjC C++ ObjC++ Warning Warn about macros defined in the main file that are not used Index: gcc/testsuite/gcc.dg/cleanup-1.c =================================================================== *** gcc/testsuite/gcc.dg/cleanup-1.c.orig 2010-02-23 12:43:21.000000000 +0100 --- gcc/testsuite/gcc.dg/cleanup-1.c 2012-02-08 12:54:08.000000000 +0100 *************** *** 6,12 **** #define C(x) __attribute__((cleanup(x))) static int f1(void *x U) { return 0; } ! static void f2() { } static void f3(void) { } /* { dg-message "note: declared here" } */ static void f4(void *x U) { } static void f5(int *x U) { } --- 6,12 ---- #define C(x) __attribute__((cleanup(x))) static int f1(void *x U) { return 0; } ! static void f2() { } /* { dg-message "declared here" "" } */ static void f3(void) { } /* { dg-message "note: declared here" } */ static void f4(void *x U) { } static void f5(int *x U) { } *************** static void f9(int x U) { } /* { dg-mess *** 18,24 **** void test(void) { int o1 C(f1); ! int o2 C(f2); int o3 C(f3); /* { dg-error "too many arguments" } */ int o4 C(f4); int o5 C(f5); --- 18,24 ---- void test(void) { int o1 C(f1); ! int o2 C(f2); /* { dg-warning "without a real prototype" } */ int o3 C(f3); /* { dg-error "too many arguments" } */ int o4 C(f4); int o5 C(f5); Index: gcc/c-typeck.c =================================================================== *** gcc/c-typeck.c.orig 2012-02-07 11:34:02.000000000 +0100 --- gcc/c-typeck.c 2012-02-08 12:54:08.000000000 +0100 *************** build_function_call_vec (location_t loc, *** 2823,2828 **** --- 2823,2841 ---- && !check_builtin_function_arguments (fundecl, nargs, argarray)) return error_mark_node; + /* If we cannot check function arguments because a prototype is + missing for the callee, warn here. */ + if (warn_unprototyped_calls + && nargs > 0 && !TYPE_ARG_TYPES (fntype) + && fundecl && !DECL_BUILT_IN (fundecl) && !C_DECL_IMPLICIT (fundecl) + && !DECL_ARGUMENTS (fundecl)) + { + if (warning (OPT_Wunprototyped_calls, + "call to function %qD without a real prototype", fundecl)) + inform (DECL_SOURCE_LOCATION (fundecl), "%qD was declared here", + fundecl); + } + /* Check that the arguments to the function are valid. */ check_function_arguments (fntype, nargs, argarray); Index: gcc/c-family/c-opts.c =================================================================== *** gcc/c-family/c-opts.c.orig 2012-01-18 15:23:58.000000000 +0100 --- gcc/c-family/c-opts.c 2012-02-08 12:54:08.000000000 +0100 *************** c_common_handle_option (size_t scode, co *** 392,397 **** --- 392,398 ---- can turn it off only if it's not explicit. */ if (warn_main == -1) warn_main = (value ? 2 : 0); + warn_unprototyped_calls = 1; /* In C, -Wall turns on -Wenum-compare, which we do here. In C++ it is on by default, which is done in
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