one .travis.yml example to build on ubuntu

.travis.yml

@@ -0,0 +1,18 @@
+language: cpp
+dist: bionic
+addons:
+  apt:
+    packages:
+    - g++
+    - make 
+    - libboost-all-dev 
+    - libomp-dev 
+script:
+  - cd src
+  - make -f Makefiles/Makefile_linux_shared
+  - make install -f Makefiles/Makefile_linux_shared
+  - cd ../examples
+  - export LD_LIBRARY_PATH=$PWD
+  - cp Makefiles/Makefile_linux Makefile
+  - make
+  - ./AnalysePlayBin

src/Makefiles/Makefile_linux_shared

@@ -119,8 +119,8 @@ clean:
 install:
 	test -d ../test || mkdir ../test
 	test -d ../examples || mkdir ../examples
-	cp $(STATIC_LIB) ../test
-	cp $(STATIC_LIB) ../examples
+	cp $(SHARED_LIB) ../test
+	cp $(SHARED_LIB) ../examples
 
 include $(INCL_DEPENDS)
 

src/System.cpp

@@ -225,7 +225,8 @@ void System::GetHardware(
 #ifdef __linux__
   // The code for linux was suggested by Antony Lee.
   FILE * fifo = popen(
-    "free -k | tail -n+3 | head -n1 | awk '{print $NF}'", "r");
+    "grep -Po 'MemAvailable:\\s*\\K[0-9]*' /proc/meminfo || "
+     "grep -Po 'MemFree:\\s*\\K[0-9]*' /proc/meminfo", "r");
   int ignore = fscanf(fifo, "%llu", &kilobytesFree);
   fclose(fifo);
 

src/dds.cpp

@@ -34,7 +34,6 @@ extern "C" BOOL APIENTRY DllMain(
   else if (ul_reason_for_call == DLL_PROCESS_DETACH)
   {
     CloseDebugFiles();
-    FreeMemory();
 #ifdef DDS_MEMORY_LEAKS_WIN32
     _CrtDumpMemoryLeaks();
 #endif
@@ -59,7 +58,6 @@ void DDSInitialize(void)
 void DDSFinalize(void) 
 {
   CloseDebugFiles();
-  FreeMemory();
 }
 
 #elif defined(USES_CONSTRUCTOR)
@@ -73,7 +71,6 @@ static void __attribute__ ((constructor)) libInit(void)
 static void __attribute__ ((destructor)) libEnd(void)
 {
   CloseDebugFiles();
-  FreeMemory();
 }
 
 #endif