tests: add a script which runs test/cfg tests.

add new make target (checkcfg) which builds cppcheck and executes the script
       make travis run checkcfg

.travis.yml

@@ -44,6 +44,8 @@ script:
   - touch /tmp/cppcheck.cppcheck
   - ./cppcheck --error-exitcode=1 -Ilib --enable=style,performance,portability,warning,internal --exception-handling --suppressions-list=.travis_suppressions . -j 2 |& tee /tmp/cppcheck.cppcheck
   - sh -c "! grep '^\[' /tmp/cppcheck.cppcheck"
+# check test/cfg
+  - make checkcfg
   - cd ./gui
 # clean rebuild
   - git clean -dfx .

Makefile

@@ -248,6 +248,9 @@ test:	all
 check:	all
 	./testrunner -g -q
 
+checkcfg:	cppcheck
+	./test/cfg/runtests.sh
+
 dmake:	tools/dmake.o cli/filelister.o lib/path.o
 	$(CXX) $(CXXFLAGS) -std=c++0x -o dmake tools/dmake.o cli/filelister.o lib/path.o -Ilib $(LDFLAGS)
 	./dmake

test/cfg/runtests.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+set -e # abort on error
+
+if [[ `pwd` == */test/cfg ]] ; then # we are in test/cfg
+	CPPCHECK="../../cppcheck"
+	DIR=""
+else # assume we are in repo root
+	CPPCHECK="./cppcheck"
+	DIR=./test/cfg/
+fi
+
+# std.c
+gcc -fsyntax-only ${DIR}std.c
+${CPPCHECK} --check-library --enable=information --error-exitcode=1 --inline-suppr ${DIR}std.c

tools/dmake.cpp

@@ -393,6 +393,8 @@ int main(int argc, char **argv)
     fout << "\t./testrunner\n\n";
     fout << "check:\tall\n";
     fout << "\t./testrunner -g -q\n\n";
+    fout << "checkcfg:\tcppcheck\n";
+    fout << "\t./test/cfg/runtests.sh\n\n";
     fout << "dmake:\ttools/dmake.o cli/filelister.o lib/path.o\n";
     fout << "\t$(CXX) $(CXXFLAGS) -std=c++0x -o dmake tools/dmake.o cli/filelister.o lib/path.o -Ilib $(LDFLAGS)\n";
     fout << "\t./dmake\n\n";