[all] be smarter about getting the git version

host/CMakeLists.txt

@@ -28,16 +28,15 @@ add_compile_options(
 )
 set(CMAKE_C_STANDARD  11)
 
-execute_process(
-	COMMAND			cat ../VERSION
-	WORKING_DIRECTORY	${PROJECT_SOURCE_DIR}
-	OUTPUT_VARIABLE		BUILD_VERSION
-	OUTPUT_STRIP_TRAILING_WHITESPACE
-)
-
-add_definitions(-D BUILD_VERSION='"${BUILD_VERSION}"')
 get_filename_component(PROJECT_TOP "${PROJECT_SOURCE_DIR}/.." ABSOLUTE)
 
+add_custom_command(
+	OUTPUT	${CMAKE_BINARY_DIR}/version.c
+		${CMAKE_BINARY_DIR}/_version.c
+	COMMAND	${CMAKE_COMMAND} -P
+		${PROJECT_TOP}/version.cmake
+)
+
 include_directories(
 	${PROJECT_SOURCE_DIR}/include
 	${CMAKE_BINARY_DIR}/include
@@ -49,6 +48,7 @@ include_directories(
 #)
 
 set(SOURCES
+	${CMAKE_BINARY_DIR}/version.c
 	src/app.c
 )
 

host/platform/Windows/CMakeLists.txt

@@ -38,5 +38,5 @@ target_include_directories(platform_Windows
 # these are for the nsis installer generator
 configure_file("${PROJECT_SOURCE_DIR}/installer.nsi" "${PROJECT_BINARY_DIR}/installer.nsi" COPYONLY)
 configure_file("${PROJECT_TOP}/resources/icon.ico"   "${PROJECT_BINARY_DIR}/icon.ico"      COPYONLY)
-configure_file("${PROJECT_TOP}/VERSION"              "${PROJECT_BINARY_DIR}/VERSION"       COPYONLY)
+configure_file("${CMAKE_BINARY_DIR}/VERSION"         "${PROJECT_BINARY_DIR}/VERSION"       COPYONLY)
 configure_file("${PROJECT_TOP}/LICENSE"              "${PROJECT_BINARY_DIR}/LICENSE.txt"   COPYONLY)

host/src/app.c

@@ -20,6 +20,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
 #include "interface/platform.h"
 #include "interface/capture.h"
 #include "dynamic/capture.h"
+#include "common/version.h"
 #include "common/debug.h"
 #include "common/option.h"
 #include "common/locking.h"
@@ -442,7 +443,7 @@ int app_main(int argc, char * argv[])
   if (!app_init())
     return -1;
 
-  DEBUG_INFO("Looking Glass Host (" BUILD_VERSION ")");
+  DEBUG_INFO("Looking Glass Host (%s)", BUILD_VERSION);
 
   struct IVSHMEM shmDev;
   if (!ivshmemOpen(&shmDev))
@@ -457,11 +458,11 @@ int app_main(int argc, char * argv[])
   DEBUG_INFO("Max Pointer Size : %u KiB", (unsigned int)MAX_POINTER_SIZE / 1024);
   DEBUG_INFO("KVMFR Version    : %u", KVMFR_VERSION);
 
-  const KVMFR udata = {
+  KVMFR udata = {
     .magic   = KVMFR_MAGIC,
     .version = KVMFR_VERSION,
-    .hostver = BUILD_VERSION
   };
+  strncpy(udata.hostver, BUILD_VERSION, sizeof(udata.hostver));
 
   LGMP_STATUS status;
   if ((status = lgmpHostInit(shmDev.mem, shmDev.size, &app.lgmp,