* cppfiles.c (_cpp_read_file): Add to dependencies if requested.

	* cppinit.c (cpp_start_read): Remove deps_add_dep call.
	* tradcpp.c (main): Add -imacros or -include'd dependencies
	for -M*.
	* cpp.texi (-M, -MM): Document -M -include behaviour.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39240 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6484797..e0b5617 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2001-01-24  Jakub Jelinek  <jakub@redhat.com>
+
+       * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
+       * cppinit.c (cpp_start_read): Remove deps_add_dep call.
+       * tradcpp.c (main): Add -imacros or -include'd dependencies
+       for -M*.
+       * cpp.texi (-M, -MM): Document -M -include behaviour.
+
 2001-01-24  Roger Collins <roger@ProProject.com>
          
         * config/i386/xm-i386.h: Make __i386__ a boolean macro.

diff --git a/gcc/cpp.texi b/gcc/cpp.texi
index 253d6ee..19e9566 100644 (file)
--- a/gcc/cpp.texi
+++ b/gcc/cpp.texi
@@ -3453,14 +3453,16 @@ Instead of outputting the result of preprocessing, output a rule
 suitable for @code{make} describing the dependencies of the main source
 file.  The preprocessor outputs one @code{make} rule containing the
 object file name for that source file, a colon, and the names of all the
-included files.  If there are many included files then the rule is split
-into several lines using @samp{\}-newline.
+included files, including those coming from @samp{-include} or
+@samp{-imacros} command line options.  If there are many included files
+then the rule is split into several lines using @samp{\}-newline.
 
 @item -MM
 @findex -MM
 Like @samp{-M}, but mention only the files included with @samp{#include
-"@var{file}"}.  System header files included with @samp{#include
-<@var{file}>} are omitted.
+"@var{file}"} or with @samp{-include} or @samp{-imacros} command line
+options.  System header files included with @samp{#include <@var{file}>}
+are omitted.
 
 @item -MF @var{file}
 @findex -MF

diff --git a/gcc/cppfiles.c b/gcc/cppfiles.c
index c480cb4..01b8d5f 100644 (file)
--- a/gcc/cppfiles.c
+++ b/gcc/cppfiles.c
@@ -765,6 +765,9 @@ _cpp_read_file (pfile, fname)
       return 0;
     }
 
+  if (CPP_OPTION (pfile, print_deps))
+    deps_add_dep (pfile->deps, f->name);
+
   stack_include_file (pfile, f);
   return 1;
 }

diff --git a/gcc/cppinit.c b/gcc/cppinit.c
index 93568f4..ff4cdb3 100644 (file)
--- a/gcc/cppinit.c
+++ b/gcc/cppinit.c
@@ -911,13 +911,8 @@ cpp_start_read (pfile, fname)
     CPP_OPTION (pfile, out_fname) = "";
 
   if (CPP_OPTION (pfile, print_deps))
-    {
-      /* Set the default target (if there is none already), and
-        the dependency on the main file.  */
-      deps_add_default_target (pfile->deps, CPP_OPTION (pfile, in_fname));
-
-      deps_add_dep (pfile->deps, CPP_OPTION (pfile, in_fname));
-    }
+    /* Set the default target (if there is none already).  */
+    deps_add_default_target (pfile->deps, CPP_OPTION (pfile, in_fname));
 
   /* Open the main input file.  This must be done early, so we have a
      buffer to stand on.  */

diff --git a/gcc/tradcpp.c b/gcc/tradcpp.c
index e5e0935..82de0bb 100644 (file)
--- a/gcc/tradcpp.c
+++ b/gcc/tradcpp.c
@@ -848,6 +848,11 @@ main (argc, argv)
            perror_with_name (pend[i].arg);
            return FATAL_EXIT_CODE;
          }
+
+       /* For -M, add this file to the dependencies.  */
+       if (print_deps)
+         deps_add_dep (deps, pend[i].arg);
+
        finclude (fd, pend[i].arg, &outbuf);
       }
   indepth--;