Use == instead of is operator for checking string equality in AMBuild scripts (bug 6043, r=dvander).

extensions/curl/AMBuilder

@@ -9,9 +9,9 @@ binary.compiler.includes += [
 ]
 binary.compiler.defines += ['CURL_STATICLIB']
 binary.compiler.postlink += [libcurl.binary]
-if builder.target_platform is 'linux':
+if builder.target_platform == 'linux':
   binary.compiler.postlink += ['-lrt']
-elif builder.target_platform is 'windows':
+elif builder.target_platform == 'windows':
   binary.compiler.postlink += ['ws2_32.lib']
 
 binary.sources += [

extensions/curl/curl-src/lib/AMBuilder

@@ -9,18 +9,18 @@ binary.compiler.includes += [
   os.path.join(builder.sourcePath, 'extensions', 'curl', 'curl-src', 'include')
 ]
 
-if builder.target_platform is 'mac':
+if builder.target_platform == 'mac':
   mac_version, ignore, ignore = platform.mac_ver()
   mac_tuple = mac_version.split('.')
   if int(mac_tuple[0]) >= 10 and int(mac_tuple[1]) >= 9:
     binary.compiler.defines += ['BUILTIN_STRLCAT']
-elif builder.target_platform is 'windows':
+elif builder.target_platform == 'windows':
   binary.compiler.defines += [
     'BUILDING_LIBCURL',
     'CURL_STATICLIB',
     'CURL_DISABLE_LDAP',
   ]
-elif builder.target_platform is 'linux':
+elif builder.target_platform == 'linux':
   binary.compiler.defines += ['_GNU_SOURCE']
 
 binary.sources += [

extensions/geoip/AMBuilder

@@ -2,7 +2,7 @@
 import os
 
 binary = SM.ExtLibrary(builder, 'geoip.ext')
-if builder.target_platform is 'windows':
+if builder.target_platform == 'windows':
   binary.compiler.postlink += ['wsock32.lib']
 
 binary.sources += [

extensions/mysql/AMBuilder

@@ -8,14 +8,14 @@ if SM.mysql_root:
     os.path.join(SM.mms_root, 'core', 'sourcehook')
   ]
 
-  if builder.target_platform is 'linux' or builder.target_platform is 'mac':
+  if builder.target_platform == 'linux' or builder.target_platform == 'mac':
     binary.compiler.postlink += [
       os.path.join(SM.mysql_root, 'lib', 'libmysqlclient_r.a'),
       '-lz',
       '-lpthread',
       '-lm'
     ]
-  elif builder.target_platform is 'windows':
+  elif builder.target_platform == 'windows':
     binary.compiler.postlink += [
       os.path.join(SM.mysql_root, 'lib', 'opt', 'mysqlclient.lib'),
       os.path.join(SM.mysql_root, 'lib', 'opt', 'zlib.lib'),

extensions/regex/AMBuilder

@@ -6,11 +6,11 @@ binary.compiler.cxxincludes += [
   os.path.join(SM.mms_root, 'core', 'sourcehook'),
 ]
 
-if builder.target_platform is 'linux':
+if builder.target_platform == 'linux':
   path = os.path.join(builder.sourcePath, 'extensions', 'regex', 'lib_linux', 'libpcre.a')
-elif builder.target_platform is 'windows':
+elif builder.target_platform == 'windows':
   path = os.path.join(builder.sourcePath, 'extensions', 'regex', 'lib_win', 'pcre.lib')
-elif builder.target_platform is 'mac':
+elif builder.target_platform == 'mac':
   path = os.path.join(builder.sourcePath, 'extensions', 'regex', 'lib_darwin', 'libpcre.a')
 binary.compiler.postlink += [binary.Dep(path)]
 

extensions/sdkhooks/AMBuilder

@@ -8,7 +8,7 @@ for sdk_name in SM.sdks:
   binary.compiler.cxxincludes += [
     os.path.join(sdk.path, 'game', 'shared')
   ]
-  if binary.compiler.cxx.behavior is 'gcc':
+  if binary.compiler.cxx.behavior == 'gcc':
     binary.compiler.cxxflags += ['-Wno-invalid-offsetof']
 
   binary.sources += [

extensions/sdktools/AMBuilder

@@ -14,7 +14,7 @@ for sdk_name in SM.sdks:
   if sdk.name != 'ep1':
     binary.compiler.defines += ['HOOKING_ENABLED']
 
-  if binary.compiler.cxx.behavior is 'gcc':
+  if binary.compiler.cxx.behavior == 'gcc':
     binary.compiler.cxxflags += ['-Wno-invalid-offsetof']
 
   binary.sources += [

extensions/sqlite/AMBuilder

@@ -10,7 +10,7 @@ binary.compiler.defines += [
   'SQLITE_OMIT_LOAD_EXTENSION',
   'SQLITE_THREADSAFE'
 ]
-if builder.target_platform is 'linux':
+if builder.target_platform == 'linux':
   binary.compiler.postlink += ['-ldl', '-lpthread']
 
 binary.sources += [