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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
use ExtUtils::CChecker;
my $cc = ExtUtils::CChecker->new;
use Config;
plan skip_all => "This test requires gcc" unless $Config{cc} =~ m/(^|-)gcc$/;
ok( !$cc->try_find_cflags_for(
source => "int main(void) { int nums[] = { [0] = 123 }; return 0; }",
cflags => [ [qw( -std=c89 -pedantic-errors )] ],
), 'C99 program does not compile with only -std=c89' );
ok( $cc->try_find_cflags_for(
source => "int main(void) { int nums[] = { [0] = 123 }; return 0; }",
cflags => [ [qw( -std=c99 -pedantic-errors )] ],
), 'C99 program compiles with -std=c99' );
ok( scalar( grep { m/^-std=c99$/ } @{ $cc->extra_compiler_flags } ),
'-std=c99 now appears in extra_compiler_flags' );
done_testing;
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