Guard against builds with no .git folders by including generated vers…

…ion header in index, falling back when git describe fails

.gitignore

@@ -2,4 +2,3 @@ build
 **/.DS_Store
 /examples/out*.wav
 .vs/
-script/FluidVersion.hpp

script/FluidVersion.hpp

@@ -0,0 +1,20 @@
+/*
+Part of the Fluid Corpus Manipulation Project (http://www.flucoma.org/)
+Copyright 2017-2019 University of Huddersfield.
+Licensed under the BSD-3 License.
+See license.md file in the project root for full license information.
+This project has received funding from the European Research Council (ERC)
+under the European Union’s Horizon 2020 research and innovation programme
+(grant agreement No 725899).
+*/
+
+#pragma once
+
+namespace fluid{
+namespace client{
+  inline const char* fluidVersion()
+  {
+    return "1.0.0-RC1"; 
+  }
+}
+}

script/flucoma_version.cmake

@@ -15,12 +15,14 @@ execute_process(
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
   RESULT_VARIABLE result
   OUTPUT_VARIABLE FLUID_VERSION_TAG
+  ERROR_QUIET
   OUTPUT_STRIP_TRAILING_WHITESPACE  
 )
 
 if(result)
-  message(FATAL_ERROR "Failed to get version string from Git")
+  message(VERBOSE "Failed to get version string from Git, falling back to indexed header")
+else()
+  configure_file("${CMAKE_CURRENT_LIST_DIR}/FluidVersion.hpp.in" "${CMAKE_CURRENT_LIST_DIR}/FluidVersion.hpp" @ONLY)
 endif()
 
-configure_file("${CMAKE_CURRENT_LIST_DIR}/FluidVersion.hpp.in" "${CMAKE_CURRENT_LIST_DIR}/FluidVersion.hpp" @ONLY)
 set(FLUID_VERSION_PATH ${CMAKE_CURRENT_LIST_DIR})