Solaris build fixes

system.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2011 Joel Rosdahl
+ * Copyright (C) 2010-2012 Joel Rosdahl
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
@@ -47,6 +47,8 @@
 #include <time.h>
 #include <utime.h>
 
+extern char **environ;
+
 #if !HAVE_VSNPRINTF
   int rpl_vsnprintf(char *, size_t, const char *, va_list);
   #define vsnprintf rpl_vsnprintf

test.sh

@@ -356,7 +356,7 @@ touch override_path_compiler_executed
 EOF
     chmod +x $override_path/cc
     CCACHE_PATH=$override_path $CCACHE cc -c test1.c
-    if [ ! -e override_path_compiler_executed ]; then
+    if [ ! -f override_path_compiler_executed ]; then
         test_failed "CCACHE_PATH had no effect"
     fi
 

test/test_conf.c

@@ -306,7 +306,7 @@ TEST(conf_update_from_environment)
 	CHECK(conf_update_from_environment(conf, &errmsg));
 	CHECK(conf->compression);
 
-	unsetenv("CCACHE_COMPRESS");
+	putenv("CCACHE_COMPRESS"); /* unsetenv isn't portable */
 	putenv("CCACHE_NOCOMPRESS=1");
 	CHECK(conf_update_from_environment(conf, &errmsg));
 	CHECK(!conf->compression);

test/test_util.c

@@ -127,7 +127,7 @@ TEST(format_parsable_size_with_suffix)
 
 TEST(parse_size_with_suffix)
 {
-	size_t size;
+	uint64_t size;
 	size_t i;
 	struct { const char *size; int64_t expected; } sizes[] = {
 		{"0", 0},
@@ -138,13 +138,13 @@ TEST(parse_size_with_suffix)
 		{"1.1 M",     1.1 * 1000 * 1000},
 		{"438.55M",   438.55 * 1000 * 1000},
 		{"1 G",       1 * 1000 * 1000 * 1000},
-		{"2T",        2L * 1000 * 1000 * 1000 * 1000},
+		{"2T",        (int64_t)2 * 1000 * 1000 * 1000 * 1000},
 
 		{"78 Ki",     78 * 1024},
 		{"1.1Mi",     1.1 * 1024 * 1024},
 		{"438.55 Mi", 438.55 * 1024 * 1024},
 		{"1Gi",       1 * 1024 * 1024 * 1024},
-		{"2 Ti",      2L * 1024 * 1024 * 1024 * 1024},
+		{"2 Ti",      (int64_t)2 * 1024 * 1024 * 1024 * 1024},
 
 	};