Fixes 64 bit MSVC builds, disables bits parameter
Also Enables automatic detection of architecture for the MSVC compilers.
Builds without assembly optimisations for x64
Closes issue #3098
Signed-off-by: Aleksandar Danilovic <greatgames.alexandar@gmail.com>
(cherry picked from commit 7762e1afe6)
This commit is contained in:
Aleksandar Danilovic
Rémi Verschelde
parent
05857a5472
commit
3449c81bdb
|
|
@ -262,7 +262,33 @@ def configure(env):
|
|||
env.Append(CCFLAGS=["/I"+DIRECTX_PATH+"/Include"])
|
||||
env.Append(LIBPATH=[DIRECTX_PATH+"/Lib/x86"])
|
||||
env['ENV'] = os.environ;
|
||||
|
||||
# This detection function needs the tools env (that is env['ENV'], not SCons's env), and that is why it's this far bellow in the code
|
||||
compiler_version_str = detect_visual_c_compiler_version(env['ENV'])
|
||||
|
||||
# Note: this detection/override code from here onward should be here instead of in SConstruct because it's platform and compiler specific (MSVC/Windows)
|
||||
if(env["bits"] != "default"):
|
||||
print "Error: bits argument is disabled for MSVC"
|
||||
print ("Bits argument is not supported for MSVC compilation. Architecture depends on the Native/Cross Compile Tools Prompt/Developer Console (or Visual Studio settings)"
|
||||
+" that is being used to run SCons. As a consequence, bits argument is disabled. Run scons again without bits argument (example: scons p=windows) and SCons will attempt to detect what MSVC compiler"
|
||||
+" will be executed and inform you.")
|
||||
sys.exit()
|
||||
|
||||
# Forcing bits argument because MSVC does not have a flag to set this through SCons... it's different compilers (cl.exe's) called from the propper command prompt
|
||||
# that decide the architecture that is build for. Scons can only detect the os.getenviron (because vsvarsall.bat sets a lot of stuff for cl.exe to work with)
|
||||
env["bits"]="32"
|
||||
env["x86_opt_vc"]=True
|
||||
|
||||
print "Detected MSVC compiler: "+compiler_version_str
|
||||
# If building for 64bit architecture, disable assembly optimisations for 32 bit builds (theora as of writting)... vc compiler for 64bit can not compile _asm
|
||||
if(compiler_version_str == "amd64" or compiler_version_str == "x86_amd64"):
|
||||
env["bits"]="64"
|
||||
env["x86_opt_vc"]=False
|
||||
print "Compiled program architecture will be a 64 bit executable (forcing bits=64)."
|
||||
elif (compiler_version_str=="x86" or compiler_version_str == "amd64_x86"):
|
||||
print "Compiled program architecture will be a 32 bit executable. (forcing bits=32)."
|
||||
else:
|
||||
print "Failed to detect MSVC compiler architecture version... Defaulting to 32bit executable settings (forcing bits=32). Compilation attempt will continue, but SCons can not detect for what architecture this build is compiled for. You should check your settings/compilation setup."
|
||||
else:
|
||||
|
||||
# Workaround for MinGW. See:
|
||||
|
|
@ -366,4 +392,67 @@ def configure(env):
|
|||
env.Append( BUILDERS = { 'HLSL9' : env.Builder(action = methods.build_hlsl_dx9_headers, suffix = 'hlsl.h',src_suffix = '.hlsl') } )
|
||||
env.Append( BUILDERS = { 'GLSL120GLES' : env.Builder(action = methods.build_gles2_headers, suffix = 'glsl.h',src_suffix = '.glsl') } )
|
||||
|
||||
def detect_visual_c_compiler_version(tools_env):
|
||||
# tools_env is the variable scons uses to call tools that execute tasks, SCons's env['ENV'] that executes tasks...
|
||||
# (see the SCons documentation for more information on what it does)...
|
||||
# in order for this function to be well encapsulated i choose to force it to recieve SCons's TOOLS env (env['ENV']
|
||||
# and not scons setup environment (env)... so make sure you call the right environment on it or it will fail to detect
|
||||
# the propper vc version that will be called
|
||||
|
||||
# These is no flag to give to visual c compilers to set the architecture, ie scons bits argument (32,64,ARM etc)
|
||||
# There are many different cl.exe files that are run, and each one compiles & links to a different architecture
|
||||
# As far as I know, the only way to figure out what compiler will be run when Scons calls cl.exe via Program()
|
||||
# is to check the PATH varaible and figure out which one will be called first. Code bellow does that and returns:
|
||||
# the following string values:
|
||||
|
||||
# "" Compiler not detected
|
||||
# "amd64" Native 64 bit compiler
|
||||
# "amd64_x86" 64 bit Cross Compiler for 32 bit
|
||||
# "x86" Native 32 bit compiler
|
||||
# "x86_amd64" 32 bit Cross Compiler for 64 bit
|
||||
|
||||
# There are other architectures, but Godot does not support them currently, so this function does not detect arm/amd64_arm
|
||||
# and similar architectures/compilers
|
||||
|
||||
# Set chosen compiler to "not detected"
|
||||
vc_chosen_compiler_index = -1
|
||||
vc_chosen_compiler_str = ""
|
||||
|
||||
# find() works with -1 so big ifs bellow are needed... the simplest solution, in fact
|
||||
# First test if amd64 and amd64_x86 compilers are present in the path
|
||||
vc_amd64_compiler_detection_index = tools_env["PATH"].find(tools_env["VCINSTALLDIR"]+"BIN\\amd64;")
|
||||
if(vc_amd64_compiler_detection_index > -1):
|
||||
vc_chosen_compiler_index = vc_amd64_compiler_detection_index
|
||||
vc_chosen_compiler_str = "amd64"
|
||||
|
||||
vc_amd64_x86_compiler_detection_index = tools_env["PATH"].find(tools_env["VCINSTALLDIR"]+"BIN\\amd64_x86;")
|
||||
if(vc_amd64_x86_compiler_detection_index > -1
|
||||
and (vc_chosen_compiler_index == -1
|
||||
or vc_chosen_compiler_index > vc_amd64_x86_compiler_detection_index)):
|
||||
vc_chosen_compiler_index = vc_amd64_x86_compiler_detection_index
|
||||
vc_chosen_compiler_str = "amd64_x86"
|
||||
|
||||
|
||||
# Now check the 32 bit compilers
|
||||
vc_x86_compiler_detection_index = tools_env["PATH"].find(tools_env["VCINSTALLDIR"]+"BIN;")
|
||||
if(vc_x86_compiler_detection_index > -1
|
||||
and (vc_chosen_compiler_index == -1
|
||||
or vc_chosen_compiler_index > vc_x86_compiler_detection_index)):
|
||||
vc_chosen_compiler_index = vc_x86_compiler_detection_index
|
||||
vc_chosen_compiler_str = "x86"
|
||||
|
||||
vc_x86_amd64_compiler_detection_index = tools_env["PATH"].find(tools_env['VCINSTALLDIR']+"BIN\\x86_amd64;")
|
||||
if(vc_x86_amd64_compiler_detection_index > -1
|
||||
and (vc_chosen_compiler_index == -1
|
||||
or vc_chosen_compiler_index > vc_x86_amd64_compiler_detection_index)):
|
||||
vc_chosen_compiler_index = vc_x86_amd64_compiler_detection_index
|
||||
vc_chosen_compiler_str = "x86_amd64"
|
||||
|
||||
# debug help
|
||||
#print vc_amd64_compiler_detection_index
|
||||
#print vc_amd64_x86_compiler_detection_index
|
||||
#print vc_x86_compiler_detection_index
|
||||
#print vc_x86_amd64_compiler_detection_index
|
||||
#print "chosen "+str(vc_chosen_compiler_index)+ " | "+str(vc_chosen_compiler_str)
|
||||
|
||||
return vc_chosen_compiler_str
|
||||
|
|
|
|||
Loading…
Reference in New Issue