Build artificial samples with scons instead of make

.gitignore

@@ -218,3 +218,5 @@ src/cwe_checker.plugin
 test/artificial_samples/dockcross*
 
 .#*
+
+.sconsign.dblite

.travis.yml

@@ -8,6 +8,7 @@ services:
 install:
   - sudo apt-get update
   - sudo apt-get install -y execstack
+  - pip3 install --user scons
   - docker 
 
 before_script:

.travis_prepare.sh

@@ -3,6 +3,6 @@
 #!/bin/bash
 cd test/artificial_samples/
 ./install_cross_compilers.sh
-make
+scons-3
 cd ../..
 docker build -t cwe-checker .

CHANGES.md

@@ -1,13 +1,14 @@
 0.2-dev (2019-XX-XX)
 =====
 
--  Refactoring: Unification of cwe_checker function interface
--  Refactoring: Created utils module for JSON functionality
--  Added check for CWE 248: Uncaught Exception (PR #5)
--  Added automated test suite (run with make test) (PR #7)
--  Improved cross compiling for acceptance test cases by using dockcross (PR #8)
--  Added BAP recipe for standard cwe_checker run (PR #9)
--  Improved check for CWE-476 (NULL Pointer Dereference) using data flow analysis (PR #11)
+-   Refactoring: Unification of cwe_checker function interface
+-   Refactoring: Created utils module for JSON functionality
+-   Added check for CWE 248: Uncaught Exception (PR #5)
+-   Added automated test suite (run with make test) (PR #7)
+-   Improved cross compiling for acceptance test cases by using dockcross (PR #8)
+-   Added BAP recipe for standard cwe_checker run (PR #9)
+-   Improved check for CWE-476 (NULL Pointer Dereference) using data flow analysis (PR #11)
+-   Switched C build system from make to scons (PR #16)
 
 0.1 (2018-10-08)
 =====

test/artificial_samples/SConstruct

@@ -0,0 +1,72 @@
+import os
+import shutil
+
+supported_architectures = ['x64', 'x86', 'arm', 'mips', 'ppc']
+
+c_compilers = {'x64': 'gcc',
+               'x86': './dockcross-linux-x86 gcc',
+               'arm': 'arm-linux-gnueabi-gcc',
+               'mips': 'mips-linux-gnu-gcc',
+               'ppc': 'powerpc-linux-gnu-gcc'}
+
+cpp_compilers = {'x64': 'g++',
+                 'x86': './dockcross-linux-x86 g++',
+                 'arm': 'arm-linux-gnueabi-g++-5',
+                 'mips': 'mips-linux-gnu-g++-5',
+                 'ppc': 'powerpc-linux-gnu-g++-5'}
+
+c_flags = {'x64': '-g -fno-stack-protector -std=c11',
+           'x86': '-g -m32 -fno-stack-protector -std=c11',
+           'arm': '-g -fno-stack-protector -std=c11',
+           'mips': '-g -fno-stack-protector -std=c11',
+           'ppc': '-g -fno-stack-protector -std=c11'}
+
+cpp_flags = {'x64': '-g -fno-stack-protector',
+             'x86': '-g -m32 -fno-stack-protector',
+             'arm': '-g -fno-stack-protector',
+             'mips': '-g -fno-stack-protector',
+             'ppc': '-g -fno-stack-protector'}
+
+def optimize(filename):
+    optimize_me = ['cwe_476.c']
+    if filename in optimize_me:
+        return ' -O3'
+    else:
+        return ' -O0'
+
+def compile_only_on_x64(filename, arch):
+    only_x64 = ['cwe_782.c']
+    return filename in only_x64 and arch != 'x64'
+
+def build_c(arch):
+    if shutil.which(c_compilers[arch]) is not None:
+        c_programs = Glob('*.c')
+        for p in c_programs:
+            if compile_only_on_x64(str(p), arch):
+                print('Skipping architecture %s for %s' % (arch, str(p)))
+                continue
+            env = Environment(CC = c_compilers[arch],
+                          CCFLAGS = c_flags[arch] + optimize(str(p)))
+            env.Program('build/%s_%s.out' % (str(p).split('.')[0], arch), 'build/%s' % str(p))
+            # TODO: call execstack -s
+    else:
+        print('Compiler %s for architecture %s is not installed!' % (c_compilers[arch], arch))
+
+
+def build_cpp(arch):
+    if shutil.which(cpp_compilers[arch]) is not None:
+        cpp_programs = Glob('*.cpp')
+        for p in cpp_programs:
+            env = Environment(CC = cpp_compilers[arch],
+                              CCFLAGS = cpp_flags[arch] + optimize(str(p)))
+            env.Program('build/%s_%s.out' % (str(p).split('.')[0], arch), 'build/%s' % str(p))
+            # TODO: call execstack -s
+    else:
+        print('Compiler %s for architecture %s is not installed!' % (cpp_compilers[arch], arch))
+
+
+VariantDir('build', '.', duplicate=0)
+for arch in supported_architectures:
+    print('Building for architecture %s' % arch)
+    build_c(arch)
+    build_cpp(arch)