Added x64 assembly compilation (#940)

SConstruct

@@ -10,21 +10,21 @@ To run the compilation for all implementations in one language, e.g. C, run the
 from pathlib import Path
 import os
 
-env = Environment(ENV={'PATH': os.environ['PATH']})
+env = Environment(ENV={'PATH': os.environ['PATH']},
+		  tools=['gcc', 'gnulink', 'g++', 'gas'])
+
+env['ASFLAGS'] = '--64'
 
-env['CC'] = 'gcc'
-for tool in ['gcc','gnulink']:
-   env.Tool(tool)
 env['CCFLAGS'] = ''
 env['CXXFLAGS'] = '-std=c++17'
 
 # Add other languages here when you want to add language targets
 # Put 'name_of_language_directory' : 'file_extension'
-languages = {'c': 'c', 'cpp': 'cpp'}
+languages = {'c': 'c', 'cpp': 'cpp', 'asm-x64': 's'}
 
 env.C = env.Program
 env.CPlusPlus = env.Program
-
+env.X64 = env.Program
 
 Export('env')
 
@@ -46,7 +46,8 @@ sconscript_dir_path = Path('sconscripts')
 for language, files in files_to_compile.items():
     if files:
         if (sconscript_path := sconscript_dir_path / f"{language}_SConscript").exists():
-            SConscript(sconscript_path, exports = {'files_to_compile': files})
+            SConscript(sconscript_path, exports = {'files_to_compile': files,
+                                                   'language': language})
         else:
             print(f'{language} file found at {files[0]}, but no sconscript file is present ')
 

contents/cooley_tukey/code/asm-x64/SConscript

@@ -0,0 +1,6 @@
+Import('*')
+from pathlib import Path
+
+dirname = Path.cwd().parents[1].stem
+
+env.X64(f'#/build/asm-x64/{dirname}', Glob('*.s'), LIBS=['m'], LINKFLAGS='-no-pie')

contents/forward_euler_method/code/asm-x64/SConscript

@@ -0,0 +1,6 @@
+Import('*')
+from pathlib import Path
+
+dirname = Path.cwd().parents[1].stem
+
+env.X64(f'#/build/asm-x64/{dirname}', Glob('*.s'), LIBS='m', LINKFLAGS='-no-pie')

sconscripts/asm-x64_SConscript

@@ -0,0 +1,6 @@
+Import('files_to_compile language env')
+from pathlib import Path
+
+for file in files_to_compile:
+    chapter_name = file.parent.parent.parent.stem
+    env.X64(f'#/build/{language}/{chapter_name}', str(file), LINKFLAGS='-no-pie')