From bf223df46d9b78354c2045170e93385efe73a7f4 Mon Sep 17 00:00:00 2001
From: Steven Schubiger <stsc@refcnt.org>
Date: Wed, 16 Mar 2016 12:56:33 +0100
Subject: Set compiler once for tests

---
 t/merge.t | 5 +++--
 test.pl   | 9 +++++----
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/t/merge.t b/t/merge.t
index 8a4aee3..74db86b 100755
--- a/t/merge.t
+++ b/t/merge.t
@@ -95,6 +95,7 @@ $tests += @buffer;
 $tests += @pushback;
 
 my $source = 'colorize.c';
+my $compiler = 'gcc';
 my %programs;
 
 my $compile = sub
@@ -102,7 +103,7 @@ my $compile = sub
     my ($buf_size) = @_;
     return true if exists $programs{$buf_size};
     my $program = tmpnam();
-    return false unless system("gcc -DTEST_MERGE_PART_LINE -DBUF_SIZE=$buf_size -o $program $source") == 0;
+    return false unless system("$compiler -DTEST_MERGE_PART_LINE -DBUF_SIZE=$buf_size -o $program $source") == 0;
     $programs{$buf_size} = $program;
     return true; # compiling succeeded
 };
@@ -144,7 +145,7 @@ foreach my $test (@pushback) {
     my $buf_size = $test->[1];
     SKIP: {
         my $program = tmpnam();
-        skip 'compiling failed (merge part line)', 1 unless system("gcc -DBUF_SIZE=$buf_size -o $program $source") == 0;
+        skip 'compiling failed (merge part line)', 1 unless system("$compiler -DBUF_SIZE=$buf_size -o $program $source") == 0;
         ok(qx(printf %s "$test->[0]" | $program --clean) eq $test->[0], 'pushback: ' . $test_name->($test->[0], $buf_size));
         unlink $program;
     }
diff --git a/test.pl b/test.pl
index ee51472..40c3cb5 100755
--- a/test.pl
+++ b/test.pl
@@ -18,6 +18,7 @@ my %BUF_SIZE = (
    short  => 10,
 );
 my $source = 'colorize.c';
+my $compiler = 'gcc';
 my $compiler_flags = '-ansi -pedantic -Wall -Wextra -Wformat -Wswitch-default -Wuninitialized -Wunused -Wno-unused-function -Wno-unused-parameter';
 
 my $write_to_tmpfile = sub
@@ -42,11 +43,11 @@ SKIP: {
     skip "$source does not exist", $tests unless -e $source;
 
     my $binary = tmpnam();
-    skip 'compiling failed', $tests unless system("gcc $compiler_flags -o $binary $source") == 0;
+    skip 'compiling failed', $tests unless system("$compiler $compiler_flags -o $binary $source") == 0;
     unlink $binary;
 
     my $program = tmpnam();
-    skip 'compiling failed (normal)', $tests unless system("gcc -DTEST -DBUF_SIZE=$BUF_SIZE{normal} -o $program $source") == 0;
+    skip 'compiling failed (normal)', $tests unless system("$compiler -DTEST -DBUF_SIZE=$BUF_SIZE{normal} -o $program $source") == 0;
 
     is(system("$program --help >/dev/null 2>&1"),    0, 'exit value for help screen');
     is(system("$program --version >/dev/null 2>&1"), 0, 'exit value for version data');
@@ -152,7 +153,7 @@ SKIP: {
 
     SKIP: {
         my $program_buf = tmpnam();
-        skip 'compiling failed (short buffer)', 2 unless system("gcc -DTEST -DBUF_SIZE=$BUF_SIZE{short} -o $program_buf $source") == 0;
+        skip 'compiling failed (short buffer)', 2 unless system("$compiler -DTEST -DBUF_SIZE=$BUF_SIZE{short} -o $program_buf $source") == 0;
         $check_clean_buf->($program_buf, $_) foreach qw(clean clean-all);
         unlink $program_buf;
     }
@@ -180,7 +181,7 @@ SKIP: {
 
     {
         my $debug = tmpnam();
-        is(system("gcc -DDEBUG -o $debug $source"), 0, 'debugging build');
+        is(system("$compiler -DDEBUG -o $debug $source"), 0, 'debugging build');
         unlink $debug if -e $debug;
     }
 
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