* ld.texinfo: Document --fatal-warnings.

* ld.1: Regenerate.

* ldmisc.c (vfinfo): Set flag to inhibit making executable if
warnings have been turned into errors.
* lexsup.c (OPTION_WARN_FATAL): Define.
(ld_options): Entry for --fatal-warnings.
(parse_args): Handle OPTION_WARN_FATAL.
* ld.h (ld_config_type): Add fatal_warnings field.

6 files changed, 47 insertions, 5 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 8167892..4bccbf3 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,15 @@
+2001-04-13  J.T. Conklin  <jtc@redback.com>
+
+	* ld.texinfo: Document --fatal-warnings.
+	* ld.1: Regenerate.
+
+	* ldmisc.c (vfinfo): Set flag to inhibit making executable if
+ 	warnings have been turned into errors.
+	* lexsup.c (OPTION_WARN_FATAL): Define.
+	(ld_options): Entry for --fatal-warnings.
+	(parse_args): Handle OPTION_WARN_FATAL.
+	* ld.h (ld_config_type): Add fatal_warnings field.
+
 2001-04-13  Jakub Jelinek  <jakub@redhat.com>
 
 	* ldmain.c (main): Default to discard_sec_merge.
diff --git a/ld/ld.1 b/ld/ld.1
index b40beb6..d3df8f0 100644
--- a/ld/ld.1
+++ b/ld/ld.1
@@ -2,8 +2,16 @@
 ''' $RCSfile$$Revision$$Date$
 '''
 ''' $Log$
-''' Revision 1.9  2001/03/25 20:32:31  nickc
-''' Automate generate on man pages
+''' Revision 1.10  2001/04/13 02:22:23  jtc
+''' * ld.texinfo: Document --fatal-warnings.
+''' * ld.1: Regenerate.
+'''
+''' * ldmisc.c (vfinfo): Set flag to inhibit making executable if
+''' warnings have been turned into errors.
+''' * lexsup.c (OPTION_WARN_FATAL): Define.
+''' (ld_options): Entry for --fatal-warnings.
+''' (parse_args): Handle OPTION_WARN_FATAL.
+''' * ld.h (ld_config_type): Add fatal_warnings field.
 '''
 '''
 .de Sh
@@ -96,7 +104,7 @@
 .nr % 0
 .rr F
 .\}
-.TH LD 1 "binutils-2.11.90" "23/Mar/101" "GNU"
+.TH LD 1 "binutils-2.11.90" "30/Mar/2001" "GNU"
 .UC
 .if n .hy 0
 .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
@@ -753,6 +761,8 @@ generated by the \-membedded-pic option to the \s-1GNU\s0 compiler and
 assembler.  It causes the linker to create a table which may be used at
 runtime to relocate any data which was statically initialized to pointer
 values.  See the code in testsuite/ld-empic for details.
+.Ip "\f(CW--fatal-warnings\fR" 4
+Treat all warnings as errors.
 .Ip "\f(CW--force-exe-suffix\fR" 4
 Make sure that an output file has a .exe suffix.
 .Sp
@@ -1492,6 +1502,8 @@ section entitled \*(L"GNU Free Documentation License\*(R".
 
 .IX Item "\f(CW--embedded-relocs\fR"
 
+.IX Item "\f(CW--fatal-warnings\fR"
+
 .IX Item "\f(CW--force-exe-suffix\fR"
 
 .IX Item "\f(CW--no-gc-sections\fR"
diff --git a/ld/ld.h b/ld/ld.h
index 620c3ba..e13e280 100644
--- a/ld/ld.h
+++ b/ld/ld.h
@@ -192,6 +192,9 @@ typedef struct {
      changes due to the alignment of an input section.  */
   boolean warn_section_align;
 
+  /* If true, warning messages are fatal */
+  boolean fatal_warnings;
+
   boolean sort_common;
 
   boolean text_read_only;
diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index f01c305..354d2a7 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -982,6 +982,11 @@ assembler.  It causes the linker to create a table which may be used at
 runtime to relocate any data which was statically initialized to pointer
 values.  See the code in testsuite/ld-empic for details.
 
+
+@kindex --fatal-warnings
+@item --fatal-warnings
+Treat all warnings as errors.
+
 @kindex --force-exe-suffix
 @item  --force-exe-suffix
 Make sure that an output file has a .exe suffix.
@@ -1333,7 +1338,7 @@ about the version heirarchy for the library being created.  This option
 is only meaningful on ELF platforms which support shared libraries.
 @xref{VERSION}.
 
-@kindex --warn-comon
+@kindex --warn-common
 @cindex warnings, on combining symbols
 @cindex combining symbols, warnings on
 @item --warn-common
diff --git a/ld/ldmisc.c b/ld/ldmisc.c
index e07ce1b..a27cf11 100644
--- a/ld/ldmisc.c
+++ b/ld/ldmisc.c
@@ -399,6 +399,9 @@ vfinfo (fp, fmt, arg)
 	}
     }
 
+  if (config.fatal_warnings)
+    config.make_executable = false;
+
   if (fatal == true)
     xexit (1);
 }
diff --git a/ld/lexsup.c b/ld/lexsup.c
index 0d931b1..fb2e3f5 100644
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -109,7 +109,8 @@ int parsing_defsym = 0;
 #define OPTION_VERSION_EXPORTS_SECTION	(OPTION_VERSION_SCRIPT + 1)
 #define OPTION_WARN_COMMON		(OPTION_VERSION_EXPORTS_SECTION + 1)
 #define OPTION_WARN_CONSTRUCTORS	(OPTION_WARN_COMMON + 1)
-#define OPTION_WARN_MULTIPLE_GP		(OPTION_WARN_CONSTRUCTORS + 1)
+#define OPTION_WARN_FATAL		(OPTION_WARN_CONSTRUCTORS + 1)
+#define OPTION_WARN_MULTIPLE_GP		(OPTION_WARN_FATAL + 1)
 #define OPTION_WARN_ONCE		(OPTION_WARN_MULTIPLE_GP + 1)
 #define OPTION_WARN_SECTION_ALIGN	(OPTION_WARN_ONCE + 1)
 #define OPTION_SPLIT_BY_RELOC		(OPTION_WARN_SECTION_ALIGN + 1)
@@ -388,6 +389,9 @@ static const struct ld_option ld_options[] =
   { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
       '\0', NULL, N_("Warn if start of section changes due to alignment"),
       TWO_DASHES },
+  { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
+     '\0', NULL, N_("Treat warnings as errors"),
+     TWO_DASHES },
   { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
       '\0', NULL, N_("Include all objects from following archives"), TWO_DASHES },
   { {"wrap", required_argument, NULL, OPTION_WRAP},
@@ -1032,6 +1036,9 @@ the GNU General Public License.  This program has absolutely no warranty.\n"));
 	case OPTION_WARN_CONSTRUCTORS:
 	  config.warn_constructors = true;
 	  break;
+	case OPTION_WARN_FATAL:
+	  config.fatal_warnings = true;
+	  break;
 	case OPTION_WARN_MULTIPLE_GP:
 	  config.warn_multiple_gp = true;
 	  break;