From 93dd6d47aa76cbe55173cc5f7b3c5fed7bbc060c Mon Sep 17 00:00:00 2001
From: Asher Baker <asherkin@limetech.io>
Date: Thu, 31 May 2012 12:13:04 +0100
Subject: [PATCH] Hopefully added clang support, going to need to resync
 scripts against SM soon.

---
 AMBuildScript | 68 ++++++++++++++++++++++++++++++---------------------
 1 file changed, 40 insertions(+), 28 deletions(-)

diff --git a/AMBuildScript b/AMBuildScript
index 293e5bf..697af95 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -46,15 +46,18 @@ class SM:
 
 			#Set up defines
 			cxx = self.compiler.cxx
-			if isinstance(cxx, Cpp.GCC):
-				self.vendor = 'gcc'
+			if isinstance(cxx, Cpp.CompatGCC):
+ 				if isinstance(cxx, Cpp.GCC):
+ 					self.vendor = 'gcc'
+ 				elif isinstance(cxx, Cpp.Clang):
+ 					self.vendor = 'clang'
 				self.compiler.AddToListVar('CDEFINES', 'stricmp=strcasecmp')
 				self.compiler.AddToListVar('CDEFINES', '_stricmp=strcasecmp')
 				self.compiler.AddToListVar('CDEFINES', '_snprintf=snprintf')
 				self.compiler.AddToListVar('CDEFINES', '_vsnprintf=vsnprintf')
 				self.compiler.AddToListVar('CFLAGS', '-pipe')
 				self.compiler.AddToListVar('CFLAGS', '-fno-strict-aliasing')
-				if cxx.majorVersion >= 4:
+				if (self.vendor == 'gcc' and cxx.majorVersion >= 4) or self.vendor == 'clang':
 					self.compiler.AddToListVar('CFLAGS', '-fvisibility=hidden')
 					self.compiler.AddToListVar('CXXFLAGS', '-fvisibility-inlines-hidden')
 				self.compiler.AddToListVar('CFLAGS', '-Wall')
@@ -71,7 +74,14 @@ class SM:
 				self.compiler.AddToListVar('CXXFLAGS', '-fno-rtti')
 				self.compiler.AddToListVar('CXXFLAGS', '-fno-threadsafe-statics')
 				self.compiler.AddToListVar('CXXFLAGS', '-Wno-non-virtual-dtor')
+				self.compiler.AddToListVar('CXXFLAGS', '-Wno-overloaded-virtual')
+ 				if (self.vendor == 'gcc' and cxx.majorVersion >= 4 and cxx.minorVersion >= 7) or \
+ 						(self.vendor == 'clang' and cxx.majorVersion >= 3):
+ 					self.compiler.AddToListVar('CXXFLAGS', '-Wno-delete-non-virtual-dtor')
 				self.compiler.AddToListVar('CDEFINES', 'HAVE_STDINT_H')
+				self.compiler.AddToListVar('CDEFINES', 'GNUC')
+ 				if self.vendor == 'gcc':
+ 					self.compiler.AddToListVar('CFLAGS', '-mfpmath=sse')
 			elif isinstance(cxx, Cpp.MSVC):
 				self.vendor = 'msvc'
 				if AMBuild.options.debug == '1':
@@ -107,7 +117,7 @@ class SM:
 			#Optimization
 			if AMBuild.options.opt == '1':
 				self.compiler.AddToListVar('CDEFINES', 'NDEBUG')
-				if self.vendor == 'gcc':
+				if self.vendor == 'gcc' or self.vendor == 'clang':
 					self.compiler.AddToListVar('CFLAGS', '-O3')
 				elif self.vendor == 'msvc':
 					self.compiler.AddToListVar('CFLAGS', '/Ox')
@@ -118,7 +128,7 @@ class SM:
 			if AMBuild.options.debug == '1':
 				self.compiler.AddToListVar('CDEFINES', 'DEBUG')
 				self.compiler.AddToListVar('CDEFINES', '_DEBUG')
-				if self.vendor == 'gcc':
+				if self.vendor == 'gcc' or self.vendor == 'clang':
 					self.compiler.AddToListVar('CFLAGS', '-g3')
 				elif self.vendor == 'msvc':
 					self.compiler.AddToListVar('CFLAGS', '/Od')
@@ -126,29 +136,31 @@ class SM:
 
 			#Platform-specifics
 			if AMBuild.target['platform'] == 'linux':
-				self.compiler.AddToListVar('CDEFINES', '_LINUX')
-			elif AMBuild.target['platform'] == 'darwin':
-				self.compiler.AddToListVar('CFLAGS', ['-isysroot',
-				                                      '/Developer/SDKs/MacOSX10.5.sdk'])
-				self.compiler.AddToListVar('POSTLINKFLAGS', '-mmacosx-version-min=10.5')
-				self.compiler.AddToListVar('POSTLINKFLAGS', ['-arch', 'i386'])
-				self.compiler.AddToListVar('POSTLINKFLAGS', '-lstdc++')
-
-				# For OS X dylib versioning
-				import re
-				productFile = open(os.path.join(AMBuild.sourceFolder, 'buildbot', 'product.version'), 'r')
-				productContents = productFile.read()
-				productFile.close()
-				m = re.match('(\d+)\.(\d+)\.(\d+).*', productContents)
-				if m == None:
-					self.version = '1.0.0'
-				else:
-					major, minor, release = m.groups()
-					self.version = '{0}.{1}.{2}'.format(major, minor, release)
-				AMBuild.cache.CacheVariable('version', self.version)
-			elif AMBuild.target['platform'] == 'windows':
-				self.compiler.AddToListVar('CDEFINES', 'WIN32')
-				self.compiler.AddToListVar('CDEFINES', '_WINDOWS')
+ 				self.compiler.AddToListVar('CDEFINES', '_LINUX')
+ 				if self.vendor == 'gcc':
+ 					self.compiler.AddToListVar('POSTLINKFLAGS', '-static-libgcc')
+ 				if self.vendor == 'clang':
+ 					self.compiler.AddToListVar('POSTLINKFLAGS', '-lgcc_eh')
+ 			elif AMBuild.target['platform'] == 'darwin':
+ 				self.compiler.AddToListVar('POSTLINKFLAGS', '-mmacosx-version-min=10.5')
+ 				self.compiler.AddToListVar('POSTLINKFLAGS', ['-arch', 'i386'])
+ 				self.compiler.AddToListVar('POSTLINKFLAGS', '-lstdc++')
+ 
+ 				# For OS X dylib versioning
+ 				import re
+ 				productFile = open(os.path.join(AMBuild.sourceFolder, 'product.version'), 'r')
+ 				productContents = productFile.read()
+ 				productFile.close()
+ 				m = re.match('(\d+)\.(\d+)\.(\d+).*', productContents)
+ 				if m == None:
+ 					self.version = '1.0.0'
+ 				else:
+ 					major, minor, release = m.groups()
+ 					self.version = '{0}.{1}.{2}'.format(major, minor, release)
+ 				AMBuild.cache.CacheVariable('version', self.version)
+ 			elif AMBuild.target['platform'] == 'windows':
+ 				self.compiler.AddToListVar('CDEFINES', 'WIN32')
+ 				self.compiler.AddToListVar('CDEFINES', '_WINDOWS')
 
 			#Finish up
 			self.compiler.AddToListVar('CDEFINES', 'SOURCEMOD_BUILD')