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2013-09-20 Jakub Jelinek <jakub@redhat.com>
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* common.opt (-fdiagnostics-color=): Default to auto.
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* toplev.c (process_options): Always default to
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-fdiagnostics-color=auto if no -f{,no-}diagnostics-color*.
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* doc/invoke.texi (-fdiagnostics-color*): Adjust documentation
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of the default.
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--- gcc/common.opt.jj 2013-09-18 12:06:53.000000000 +0200
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+++ gcc/common.opt 2013-09-20 10:00:00.935823900 +0200
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@@ -1037,7 +1037,7 @@ Common Alias(fdiagnostics-color=,always,
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;
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fdiagnostics-color=
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-Common Joined RejectNegative Var(flag_diagnostics_show_color) Enum(diagnostic_color_rule) Init(DIAGNOSTICS_COLOR_NO)
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+Common Joined RejectNegative Var(flag_diagnostics_show_color) Enum(diagnostic_color_rule) Init(DIAGNOSTICS_COLOR_AUTO)
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-fdiagnostics-color=[never|always|auto] Colorize diagnostics
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; Required for these enum values.
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--- gcc/toplev.c.jj 2013-09-09 11:32:39.000000000 +0200
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+++ gcc/toplev.c 2013-09-20 10:10:08.198721005 +0200
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@@ -1229,10 +1229,8 @@ process_options (void)
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maximum_field_alignment = initial_max_fld_align * BITS_PER_UNIT;
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- /* Default to -fdiagnostics-color=auto if GCC_COLORS is in the environment,
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- otherwise default to -fdiagnostics-color=never. */
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- if (!global_options_set.x_flag_diagnostics_show_color
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- && getenv ("GCC_COLORS"))
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+ /* Default to -fdiagnostics-color=auto. */
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+ if (!global_options_set.x_flag_diagnostics_show_color)
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pp_show_color (global_dc->printer)
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= colorize_init (DIAGNOSTICS_COLOR_AUTO);
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--- gcc/doc/invoke.texi.jj 2013-09-18 12:06:50.000000000 +0200
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+++ gcc/doc/invoke.texi 2013-09-20 10:09:29.079904455 +0200
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@@ -3046,8 +3046,7 @@ a message which is too long to fit on a
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@cindex highlight, color, colour
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@vindex GCC_COLORS @r{environment variable}
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Use color in diagnostics. @var{WHEN} is @samp{never}, @samp{always},
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-or @samp{auto}. The default is @samp{never} if @env{GCC_COLORS} environment
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-variable isn't present in the environment, and @samp{auto} otherwise.
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+or @samp{auto}. The default is @samp{auto}.
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@samp{auto} means to use color only when the standard error is a terminal.
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The forms @option{-fdiagnostics-color} and @option{-fno-diagnostics-color} are
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aliases for @option{-fdiagnostics-color=always} and
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