OSX/scons: Introduce a new env var 'MACOSX_COMPILER'

This is needed to resolve the real used compiler from the compatibility shim’S or symlinks.
Also set the real CCVERSION as scons CCVERSION would only read the default one, which
is not useful for OSX

1 files changed, 17 insertions, 4 deletions

diff --git a/SConstruct b/SConstruct
index d95811a40d3..98bb61a3c07 100644
--- a/SConstruct
+++ b/SConstruct
@@ -296,6 +296,19 @@ env['CONFIGURELOG'] = os.path.abspath(os.path.normpath(os.path.join(env['BF_BUIL
 if env['OURPLATFORM']=='darwin':
 
     import commands
+    import subprocess
+
+    command = ["%s"%env['CC'], "--version"]
+    process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=None, shell=False)
+    line = process.communicate()[0]
+    ver = re.search(r'[0-9]+(\.[0-9]+)+', line)
+    if ver:
+        env['CCVERSION'] = ver.group(0)
+    frontend = re.search(r'gcc', line) or re.search(r'clang', line) or re.search(r'llvm-gcc', line)
+    if frontend:
+        env['MACOSX_COMPILER'] = frontend.group(0)
+
+    print B.bc.OKGREEN + "Using Compiler: " + B.bc.ENDC + env['MACOSX_COMPILER'] + '-' + env['CCVERSION']
 
     cmd = 'sw_vers -productVersion'
     MAC_CUR_VER=cmd_res=commands.getoutput(cmd)
@@ -374,7 +387,7 @@ if env['OURPLATFORM']=='darwin':
     #Intel Macs are CoreDuo and Up
     if env['MACOSX_ARCHITECTURE'] == 'i386' or env['MACOSX_ARCHITECTURE'] == 'x86_64':
         env['REL_CCFLAGS'] = env['REL_CCFLAGS']+['-msse','-msse2','-msse3']
-        if env['XCODE_CUR_VER'] >= '5':
+        if env['MACOSX_COMPILER'] != 'clang' or (env['MACOSX_COMPILER'] == 'clang' and env['CCVERSION'] >= '5.0'):
             env['REL_CCFLAGS'] = env['REL_CCFLAGS']+['-ftree-vectorize'] # clang xcode 4 does not accept flag
     else:
         env['CCFLAGS'] =  env['CCFLAGS']+['-fno-strict-aliasing']
@@ -383,7 +396,7 @@ if env['OURPLATFORM']=='darwin':
     if env['MACOSX_ARCHITECTURE'] == 'x86_64':
         env['REL_CCFLAGS'] = env['REL_CCFLAGS']+['-mssse3']
 
-    if env['XCODE_CUR_VER'] >= '5' and not env['CC'].split('/')[len(env['CC'].split('/'))-1][4:] >= '4.6.1':
+    if env['MACOSX_COMPILER'] == 'clang' and env['CCVERSION'] >= '5.0':
         env['CCFLAGS'].append('-ftemplate-depth=1024') # only valid for clang bundled with xcode 5
 
     # 3DconnexionClient.framework, optionally install
@@ -411,7 +424,7 @@ if env['OURPLATFORM']=='darwin':
     #Defaults openMP to true if compiler handles it ( only gcc 4.6.1 and newer )
     # if your compiler does not have accurate suffix you may have to enable it by hand !
     if env['WITH_BF_OPENMP'] == 1:
-        if env['CC'].split('/')[len(env['CC'].split('/'))-1].strip('llvm - gcc clang') >= '4.6.1': # strip down to version string if any
+        if env['MACOSX_COMPILER'] == 'gcc' and env['CCVERSION'] >= '4.6.1': # strip down to version string if any
             env['WITH_BF_OPENMP'] = 1  # multithreading for fluids, cloth, sculpt and smoke
             print B.bc.OKGREEN + "Using OpenMP"
         else:
@@ -421,7 +434,7 @@ if env['OURPLATFORM']=='darwin':
     if env['WITH_BF_CYCLES_OSL'] == 1:
         OSX_OSL_LIBPATH = Dir(env.subst(env['BF_OSL_LIBPATH'])).abspath
         # we need 2 variants of passing the oslexec with the force_load option, string and list type atm
-        if env['CC'].split('/')[len(env['CC'].split('/'))-1].strip('llvm - gcc clang') >= '4.8': # strip down to version string if any
+        if env['MACOSX_COMPILER'] == 'gcc' and env['CCVERSION'] >= '4.8': # strip down to version string if any
             env.Append(LINKFLAGS=['-L'+OSX_OSL_LIBPATH,'-loslcomp','-loslexec','-loslquery'])
         else:
             env.Append(LINKFLAGS=['-L'+OSX_OSL_LIBPATH,'-loslcomp','-force_load '+ OSX_OSL_LIBPATH +'/liboslexec.a','-loslquery'])