> cat test.c #include "test.h" int main(void) { return 0; } /* EOF */ > gcc -c -o test.o -MMD -MT other.c test.c > cat test.d other.c: test.c test.h ==> seems to be correct > gcc -c -o test.o -MMD -MTother.c test.c > cat test.d other.c test.o: test.c test.h ==> seems to be wrong "-MT<file>" should either behave equal as "-MT <file>" or be rejected.
I think this is related to PR 12448
(In reply to comment #1) > I think this is related to PR 12448 > Yes, it's a similar. PR 12448 says that "-MT <file>" produces a wrong result, but it seems that this has already been fixed. Can the behavior of "-MT<file>" be changed in the same way?
Subject: Bug 44076 Author: jsm28 Date: Thu Sep 2 11:41:22 2010 New Revision: 163770 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163770 Log: PR driver/44076 * opts.h (struct cl_option): Add alias_arg, neg_alias_arg and alias_target fields. * opt-functions.awk (opt_sanitized_name): Don't handle finline-limit=, Wlarger-than= and ftemplate-depth= specially. * optc-gen.awk: Generate alias fields. * opth-gen.awk: Explicitly give values for OPT_* enum constants. Don't generate such constants for aliases. * opts-common.c (generate_canonical_option): New. (decode_cmdline_option): Handle aliases. Use generate_canonical_option for known options instead of copying the input option text. * doc/options.texi (Alias): Document. * common.opt (W, Wlarger-than-, aux-info=, finline-limit-, fstack-check, specs): Mark as aliases. * gcc.c (driver_handle_option): Canonicalize -L options to joined arguments. (driver_handle_option): Don't handle OPT_specs. * opts.c (common_handle_option): Don't handle options marked as aliases. (enable_warning_as_error): Handle aliases. * stor-layout.c (layout_decl): Use OPT_Wlarger_than_ instead of OPT_Wlarger_than_eq. * tree-optimize.c (tree_rest_of_compilation): Use OPT_Wlarger_than_ instead of OPT_Wlarger_than_eq. c-family: * c.opt (Wcomments, Werror-implicit-function-declaration, ftemplate-depth-, std=c89, std=c9x, std=gnu89, std=gnu9x, std=iso9899:1990, std=iso9899:1999, std=iso9899:199x): Mark as aliases. * c-common.c (option_codes): Use OPT_Wcomment instead of OPT_Wcomments. * c-opts.c (warning_as_error_callback, c_common_handle_option): Don't handle options marked as aliases. java: * lang.opt (CLASSPATH, bootclasspath, classpath, encoding, fCLASSPATH=): Mark as Java options and as aliases. * jvspec.c (jvgenmain_spec): Don't handle -fCLASSPATH*. (lang_specific_driver): Don't handle options marked as aliases. * lang.c (java_handle_option): Don't handle OPT_fCLASSPATH_. testsuite: * gcc.dg/cpp/warn-comments-3.c: New. Based on warn-comments-2.c but using -Werror=comment. * gcc.dg/cpp/warn-comments.c, gcc.dg/cpp/warn-comments-2.c: Adjust expected error messages. Added: trunk/gcc/testsuite/gcc.dg/cpp/warn-comments-3.c Modified: trunk/gcc/ChangeLog trunk/gcc/c-family/ChangeLog trunk/gcc/c-family/c-common.c trunk/gcc/c-family/c-opts.c trunk/gcc/c-family/c.opt trunk/gcc/common.opt trunk/gcc/doc/options.texi trunk/gcc/gcc.c trunk/gcc/java/ChangeLog trunk/gcc/java/jvspec.c trunk/gcc/java/lang.c trunk/gcc/java/lang.opt trunk/gcc/opt-functions.awk trunk/gcc/optc-gen.awk trunk/gcc/opth-gen.awk trunk/gcc/opts-common.c trunk/gcc/opts.c trunk/gcc/opts.h trunk/gcc/stor-layout.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/cpp/warn-comments-2.c trunk/gcc/testsuite/gcc.dg/cpp/warn-comments.c trunk/gcc/tree-optimize.c
Fixed for 4.6.