MSVC 2005 support. Add TEMP_MSVC2005=yes to the build command line.

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4796 212acab6-be3b-0410-9dea-997c60f758d6

Contrib/Math/SConscript

@@ -1,11 +1,19 @@
 target = 'Math'
 
-files = Split("""
+if ['TEMP_MSVC2005']:
-	Source/Math.c
+	files = Split("""
-	Source/MyMath.c
+		Source/Math.c
-	Source/plugin.c
+		Source/MyMath.c
-	Source/mathcrt.lib
+		Source/plugin.c
-""")
+		Source/mathcrtmt.lib
+	""")
+else:
+	files = Split("""
+		Source/Math.c
+		Source/MyMath.c
+		Source/plugin.c
+		Source/mathcrt.lib
+	""")
 
 libs = Split("""
 	kernel32

Docs/src/build.but

@@ -6,7 +6,7 @@ NSIS version 2.07 introduced a new build system, based on \W{http://www.scons.or
 
 Source code is available in \W{http://nsis.cvs.sourceforge.net/nsis}{CVS} and as a separate package with every \W{http://sourceforge.net/project/showfiles.php?group_id=22049}{NSIS distribution}.
 
-To build NSIS \W{http://www.python.org/}{Python} and \W{http://www.scons.org/}{SCons} must be installed. Currently, the supported version of SCons is version 0.96.91. Any version of Python above 1.6 is supported.
+To build NSIS \W{http://www.python.org/}{Python} and \W{http://www.scons.org/}{SCons} must be installed. Currently, the supported version of SCons is version 0.96.92. Any version of Python above 1.6 is supported.
 
 To build, open a console, change the working directory to the root directory of NSIS and type \c{scons}. That's it. For example:
 
@@ -51,7 +51,15 @@ To get a complete list of options SCons has to offer, type:
 
 \H{build_windows} Building on Windows
 
-If Microsoft Visual C++ is installed, SCons will automatically detect and use it. \W{http://msdn.microsoft.com/visualc/vctoolkit2003/}{Visual C++ Toolkit} and \W{http://www.microsoft.com/msdownload/platformsdk/sdkupdate/}{Platform SDK} is a free alternative. The build system doesn't automatically recognize the toolkit. It must be given a hint:
+If Microsoft Visual C++ is installed, SCons will automatically detect and use it.
+
+SCons 0.96.92 does not yet support Microsoft Visual C++ 2005. Therefore a temporary workaround has been added to support this compiler. Add TEMP_MSVC2005=yes to the build command line when using MSVC 2005:
+
+\c scons TEMP_MSVC2005=yes
+
+If you are looking for a free compiler to compile NSIS, we recommend \W{http://msdn.microsoft.com/vstudio/express/visualc/download/}{Microsoft Visual C++ 2005 Express Edition}.
+
+When using the Microsoft Visual C++ Toolkit, add MSTOOLKIT=yes to the build command line:
 
 \c scons MSTOOLKIT=yes
 

INSTALL

@@ -6,7 +6,7 @@ This is a trimmed version of Appendix "Building NSIS" of the documentation.
  - Requirements
 
    * Python version 1.6 and above (http://www.python.org/)
-   * SCons version 0.96.91 and above (http://www.scons.org/)
+   * SCons version 0.96.92 and above (http://www.scons.org/)
    * C compiler
 
  - Optional Tools
@@ -32,9 +32,14 @@ This is a trimmed version of Appendix "Building NSIS" of the documentation.
 
  - Special cases
 
-   * If using the free Visual C++ Toolkit and Platform SDK
+   * SCons 0.96.92 does not yet support Microsoft Visual C++ 2005.
-     (available at http://msdn.microsoft.com/visualc/vctoolkit2003/,
+     Therefore a temporary workaround has been added to support this
-      http://www.microsoft.com/msdownload/platformsdk/sdkupdate/),
+     compiler. Add TEMP_MSVC2005=yes to the build command line when
+     using MSVC 2005:
+
+        scons TEMP_MSVC2005=yes PREFIX=C:\NSIS install
+
+   * If using the free Microsoft Visual C++ Toolkit and Platform SDK,
      add MSTOOLKIT=yes to the build command line. For example:
 
         scons MSTOOLKIT=yes PREFIX=C:\NSIS install

SCons/Config/ms

@@ -2,6 +2,17 @@ print "Using Microsoft tools configuration"
 
 Import('defenv')
 
+### workaround for MSVC 2005 support
+
+import os
+
+if defenv['TEMP_MSVC2005']:
+	defenv['ENV']['PATH'] = os.environ.get('PATH')
+	defenv['ENV']['HOME'] = os.environ.get('HOME')
+	defenv['ENV']['LIB'] = os.environ.get('LIB')
+	defenv['ENV']['INCLUDE'] = os.environ.get('INCLUDE')
+	defenv.Append(CCFLAGS = '/GS-')
+
 ### flags
 
 defenv['ENTRY_FLAG'] = lambda x: '/entry:' + x
@@ -71,7 +82,7 @@ stub_env.Append(CCFLAGS = '/W3')                 # level 3 warnings
 
 stub_env.Append(LINKFLAGS = '/opt:nowin98')      # 512 bytes align
 stub_env.Append(LINKFLAGS = '/entry:WinMain')    # entry point
-stub_env.Append(LINKFLAGS = '/NODEFAULTLIB')     # no default libraries
+stub_env.Append(LINKFLAGS = '$NODEFLIBS_FLAG')   # no default libraries
 stub_env.Append(LINKFLAGS = '$MAP_FLAG')         # generate map file
 
 ### makensis environment
@@ -118,6 +129,52 @@ test_env = defenv.Copy()
 
 ### weird compiler requirements
 
+def check_requirement(ctx, func, trigger):
+	ctx.Message('Checking for %s requirement... ' % func)
+
+	flags = ctx.env['LINKFLAGS']
+
+	ctx.env.Append(LINKFLAGS = '$NODEFLIBS_FLAG')	
+
+	test = """
+		int __main() {
+			%s
+			return 0;
+		}
+	""" % trigger
+
+	result = not ctx.TryLink(test, '.c')
+	ctx.Result(result)
+
+	ctx.env['LINKFLAGS'] = flags
+
+	return result
+
+def add_file_to_emitter(env, emitter_name, file):
+	try:
+		original_emitter = env[emitter_name]
+		if type(original_emitter) == list:
+			original_emitter = original_emitter[0]
+	except KeyError:
+		original_emitter = None
+
+	def emitter(target, source, env):
+		if original_emitter:
+			target, source = original_emitter(target, source, env)
+
+		if '$NODEFLIBS_FLAG' not in env['LINKFLAGS']:
+			return target, source
+
+		return target, source + env.Object(emitter_name, file)
+
+	env[emitter_name] = emitter
+
+def add_file(file):
+	file = File(file)
+	add_file_to_emitter(stub_env, 'PROGEMITTER', file)
+	add_file_to_emitter(util_env, 'PROGEMITTER', file)
+	add_file_to_emitter(plugin_env, 'SHLIBEMITTER', file)
+
 #
 # MSVC 6 SP6 doesn't like direct shifting of 64-bit integers.
 # It generates a call to ___aullshr which requires libc, which
@@ -125,7 +182,7 @@ test_env = defenv.Copy()
 # a call to Int64ShrlMod32.
 #
 
-conf = stub_env.Configure()
+conf = stub_env.Configure(custom_tests = { 'CheckRequirement' : check_requirement })
 
 int64test = """
 #include <windows.h>
@@ -137,8 +194,15 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst,LPSTR lpszCmdParam,
 
 if not conf.TryLink(int64test, '.c'):
 	stub_env.Append(CPPDEFINES = ['_NSIS_NO_INT64_SHR'])
+	
+#
+# MSVC 2005 requires the memset CRT function to be present
+#
 
-conf.Finish()
+if conf.CheckRequirement('memset', 'char c[128] = "test";'):
+	add_file('memset.c')
+
+conf.Finish()	
 
 ### return
 

SConstruct

@@ -130,6 +130,7 @@ opts.Add(ListOption('SKIPMISC', 'A list of plug-ins that will not be built', 'no
 opts.Add(ListOption('SKIPDOC', 'A list of doc files that will not be built/installed', 'none', doc))
 # build tools
 opts.Add(BoolOption('MSTOOLKIT', 'Use Microsoft Visual C++ Toolkit', 'no'))
+opts.Add(BoolOption('TEMP_MSVC2005', 'Enable temporary work-around for Microsoft Visual C++ 2005 support', 'no'))
 opts.Add(BoolOption('CHMDOCS', 'Build CHM documentation, requires hhc.exe', hhc))
 opts.Add(PathOption('CPPPATH', 'Path to search for include files', None))
 opts.Add(PathOption('LIBPATH', 'Path to search for libraries', None))