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--- wscript.orig 2020-07-08 18:34:29 UTC
+++ wscript
@@ -502,7 +502,7 @@ int main() { return 0; }''',
c_flags.append("-Qunused-arguments")
cxx_flags.append("-Qunused-arguments")
- if (re.search ("(i[0-9]86|x86_64|AMD64)", cpu) != None) and conf.env['build_target'] != 'none':
+ if (re.search ("(i[0-9]86|x86_64|amd64|AMD64)", cpu) != None) and conf.env['build_target'] != 'none':
#
# ARCH_X86 means anything in the x86 family from i386 to x86_64
@@ -534,6 +534,13 @@ int main() { return 0; }''',
compiler_flags.append ("-march=i586")
elif cpu == "i686":
compiler_flags.append ("-march=i686")
+
+ else :
+ # and cpu == 'amd64' :
+ # this is 20yo tech and present in all 64bit cpus
+ build_host_supports_sse = True
+ compiler_flags.append ("-mmmx")
+ compiler_flags.append ("-m3dnow")
if not is_clang and ((conf.env['build_target'] == 'i686') or (conf.env['build_target'] == 'x86_64')) and build_host_supports_sse:
compiler_flags.extend ([ flags_dict['sse'], flags_dict['fpmath-sse'], flags_dict['xmmintrinsics'] ])
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