diff options
Diffstat (limited to 'scons')
| -rwxr-xr-x | scons/gallium.py | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/scons/gallium.py b/scons/gallium.py index 9924f1e7dc..1564970907 100755 --- a/scons/gallium.py +++ b/scons/gallium.py @@ -35,7 +35,7 @@ import os import os.path import re import subprocess -import platform as _platform +import platform as host_platform import sys import tempfile @@ -147,6 +147,17 @@ def check_cc(env, cc, expr, cpp_opt = '-E'): return result +def check_prog(env, prog): + """Check whether this program exists.""" + + sys.stdout.write('Checking for %s ... ' % prog) + + result = env.Detect(prog) + + sys.stdout.write(' %s\n' % ['no', 'yes'][int(bool(result))]) + return result + + def generate(env): """Common environment generation code""" @@ -186,7 +197,7 @@ def generate(env): env['gcc'] = 0 env['clang'] = 0 env['msvc'] = 0 - if _platform.system() == 'Windows': + if host_platform.system() == 'Windows': env['msvc'] = check_cc(env, 'MSVC', 'defined(_MSC_VER)', '/E') if not env['msvc']: env['gcc'] = check_cc(env, 'GCC', 'defined(__GNUC__) && !defined(__clang__)') @@ -210,10 +221,10 @@ def generate(env): # Determine whether we are cross compiling; in particular, whether we need # to compile code generators with a different compiler as the target code. - host_platform = _platform.system().lower() - if host_platform.startswith('cygwin'): - host_platform = 'cygwin' - host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', _platform.machine())) + hosthost_platform = host_platform.system().lower() + if hosthost_platform.startswith('cygwin'): + hosthost_platform = 'cygwin' + host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', host_platform.machine())) host_machine = { 'x86': 'x86', 'i386': 'x86', @@ -224,7 +235,7 @@ def generate(env): 'AMD64': 'x86_64', 'x86_64': 'x86_64', }.get(host_machine, 'generic') - env['crosscompile'] = platform != host_platform + env['crosscompile'] = platform != hosthost_platform if machine == 'x86_64' and host_machine != 'x86_64': env['crosscompile'] = True env['hostonly'] = False @@ -630,7 +641,22 @@ def generate(env): # disable all MSVC extensions. '-DYY_USE_CONST=', ]) + if host_platform.system() == 'Windows': + # Prefer winflexbison binaries, as not only they are easier to install + # (no additional dependencies), but also better Windows support. + if check_prog(env, 'win_flex'): + env["LEX"] = 'win_flex' + env.Append(LEXFLAGS = [ + # windows compatibility (uses <io.h> instead of <unistd.h> and + # _isatty, _fileno functions) + '--wincompat' + ]) + env.Tool('yacc') + if host_platform.system() == 'Windows': + if check_prog(env, 'win_bison'): + env["YACC"] = 'win_bison' + if env['llvm']: env.Tool('llvm') |