st/xorg: add yuv shaders

[mesa.git] / scons / gallium.py

diff --git a/scons/gallium.py b/scons/gallium.py
index 6e924da303b5dfde92a124e68f41684b43ee6170..34877b2f8b327b234b627a86f2650efef615e9f7 100644 (file)
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -38,6 +38,8 @@ import SCons.Action
 import SCons.Builder
 import SCons.Scanner
 
+import fixes
+
 
 def quietCommandLines(env):
     # Quiet command lines
@@ -261,7 +263,10 @@ def generate(env):
         if msvc and env['toolchain'] != 'winddk':
             cppdefines += [
                 'VC_EXTRALEAN',
+                '_CRT_SECURE_NO_WARNINGS',
                 '_CRT_SECURE_NO_DEPRECATE',
+                '_SCL_SECURE_NO_WARNINGS',
+                '_SCL_SECURE_NO_DEPRECATE',
             ]
         if debug:
             cppdefines += ['_DEBUG']
@@ -319,74 +324,93 @@ def generate(env):
     env.Append(CPPDEFINES = cppdefines)
 
     # C compiler options
-    cflags = []
+    cflags = [] # C
+    cxxflags = [] # C++
+    ccflags = [] # C & C++
     if gcc:
         if debug:
-            cflags += ['-O0', '-g3']
-        elif env['toolchain'] == 'crossmingw':
-            cflags += ['-O0', '-g3'] # mingw 4.2.1 optimizer is broken
+            ccflags += ['-O0', '-g3']
+        elif env['CCVERSION'].startswith('4.2.'):
+            # gcc 4.2.x optimizer is broken
+            print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
+            ccflags += ['-O0', '-g3']
         else:
-            cflags += ['-O3', '-g3']
+            ccflags += ['-O3', '-g3']
         if env['profile']:
-            cflags += ['-pg']
+            # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
+            ccflags += [
+                '-fno-omit-frame-pointer',
+                '-fno-optimize-sibling-calls',
+            ]
         if env['machine'] == 'x86':
-            cflags += [
+            ccflags += [
                 '-m32',
                 #'-march=pentium4',
-                '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
                 #'-mfpmath=sse',
             ]
+            if platform != 'windows':
+                # XXX: -mstackrealign causes stack corruption on MinGW. Ditto
+                # for -mincoming-stack-boundary=2.  Still enable it on other
+                # platforms for now, but we can't rely on it for cross platform
+                # code. We have to use __attribute__((force_align_arg_pointer))
+                # instead.
+                ccflags += [
+                    '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
+                    '-mstackrealign', # ensure stack is aligned
+                ]
         if env['machine'] == 'x86_64':
-            cflags += ['-m64']
+            ccflags += ['-m64']
         # See also:
         # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
-        cflags += [
-            '-Werror=declaration-after-statement',
+        ccflags += [
             '-Wall',
-            '-Wmissing-prototypes',
             '-Wmissing-field-initializers',
             '-Wpointer-arith',
             '-Wno-long-long',
             '-ffast-math',
-            '-std=gnu99',
             '-fmessage-length=0', # be nice to Eclipse
         ]
+        cflags += [
+            '-Werror=declaration-after-statement',
+            '-Wmissing-prototypes',
+            '-std=gnu99',
+        ]
     if msvc:
         # See also:
         # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
         # - cl /?
         if debug:
-            cflags += [
+            ccflags += [
               '/Od', # disable optimizations
               '/Oi', # enable intrinsic functions
               '/Oy-', # disable frame pointer omission
               '/GL-', # disable whole program optimization
             ]
         else:
-            cflags += [
+            ccflags += [
                 '/O2', # optimize for speed
                 #'/fp:fast', # fast floating point 
             ]
         if env['profile']:
-            cflags += [
+            ccflags += [
                 '/Gh', # enable _penter hook function
                 '/GH', # enable _pexit hook function
             ]
-        cflags += [
+        ccflags += [
             '/W3', # warning level
             #'/Wp64', # enable 64 bit porting warnings
         ]
         if env['machine'] == 'x86':
-            cflags += [
+            ccflags += [
                 #'/QIfist', # Suppress _ftol
                 #'/arch:SSE2', # use the SSE2 instructions
             ]
         if platform == 'windows':
-            cflags += [
+            ccflags += [
                 # TODO
             ]
         if platform == 'winddk':
-            cflags += [
+            ccflags += [
                 '/Zl', # omit default library name in .OBJ
                 '/Zp8', # 8bytes struct member alignment
                 '/Gy', # separate functions for linker
@@ -405,7 +429,7 @@ def generate(env):
             ]
         if platform == 'wince':
             # See also C:\WINCE600\public\common\oak\misc\makefile.def
-            cflags += [
+            ccflags += [
                 '/Zl', # omit default library name in .OBJ
                 '/GF', # enable read-only string pooling
                 '/GR-', # disable C++ RTTI
@@ -422,8 +446,9 @@ def generate(env):
         # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
         env.EnsureSConsVersion(0, 98, 0)
         env['PDB'] = '${TARGET.base}.pdb'
+    env.Append(CCFLAGS = ccflags)
     env.Append(CFLAGS = cflags)
-    env.Append(CXXFLAGS = cflags)
+    env.Append(CXXFLAGS = cxxflags)
 
     if env['platform'] == 'windows' and msvc:
         # Choose the appropriate MSVC CRT
@@ -444,11 +469,17 @@ def generate(env):
 
     # Linker options
     linkflags = []
+    shlinkflags = []
     if gcc:
         if env['machine'] == 'x86':
             linkflags += ['-m32']
         if env['machine'] == 'x86_64':
             linkflags += ['-m64']
+        shlinkflags += [
+            '-Wl,-Bsymbolic',
+        ]
+        # Handle circular dependencies in the libraries
+        env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
     if platform == 'windows' and msvc:
         # See also:
         # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
@@ -496,6 +527,7 @@ def generate(env):
             '/entry:_DllMainCRTStartup',
         ]
     env.Append(LINKFLAGS = linkflags)
+    env.Append(SHLINKFLAGS = shlinkflags)
 
     # Default libs
     env.Append(LIBS = [])