gcc/testsuite/lib/options.exp

   1 # Copyright (C) 2009-2018 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 # We set LC_ALL and LANG to C so that we get the same error messages as expected.
  18 setenv LC_ALL C
  19 setenv LANG C
  20
  21 # Many hosts now default to a non-ASCII C locale, however, so
  22 # they can set a charset encoding here if they need.
  23 if { [ishost "*-*-cygwin*"] } {
  24   setenv LC_ALL C.ASCII
  25   setenv LANG C.ASCII
  26 }
  27
  28 # Run the LANGUAGE compiler with GCC_OPTIONS and inspect the compiler
  29 # output to make sure that they match the newline-separated patterns
  30 # in COMPILER_PATTERNS but not the patterns in COMPILER_NON_PATTERNS.
  31 # In case of failure, xfail if XFAIL is nonempty.
  32
  33 proc check_for_options {language gcc_options compiler_patterns compiler_non_patterns expected_failure} {
  34     set filename test-[pid]
  35     set fd [open $filename.c w]
  36     puts $fd "int main (void) { return 0; }"
  37     close $fd
  38     remote_download host $filename.c
  39
  40     set test "compiler driver $gcc_options option(s):"
  41     set gcc_options "\{additional_flags=$gcc_options\}"
  42
  43     switch "$language" {
  44         "c" { set compiler cc1 }
  45         default { error "unknown language" }
  46     }
  47     set gcc_output [gcc_target_compile $filename.c $filename.x executable $gcc_options]
  48     remote_file build delete $filename.c $filename.x $filename.gcno
  49
  50     # Verify that COMPILER_PATTERRNS appear in gcc output.
  51     foreach pattern [split $compiler_patterns "\n"] {
  52         if {$pattern != ""} {
  53             if {[regexp -line -- "$pattern" $gcc_output]} {
  54                 pass "$test $pattern"
  55             } else {
  56                 if {$expected_failure != ""} {
  57                     xfail "$test \"$pattern\" present in output"
  58                 } else {
  59                     fail "$test \"$pattern\" present in output"
  60                 }
  61             }
  62         }
  63     }
  64
  65     # Verify that COMPILER_NON_PATTERRNS do not appear in gcc output.
  66     foreach pattern [split $compiler_non_patterns "\n"] {
  67         if {$pattern != ""} {
  68             if {![regexp -line -- "$pattern" $gcc_output result]} {
  69                 pass "$test $pattern"
  70             } else {
  71                 if {$expected_failure != ""} {
  72                     xfail "$test \"$pattern\" absent from output"
  73                 } else {
  74                     # Print the unexpected line that caused the failure
  75                     # to make it easier to find in the multiline output.
  76                     fail "$test \"$pattern\" absent from output: \"$result\""
  77                 }
  78             }
  79         }
  80     }
  81 }