cmake: add dep of version lib on version.cpp

Also, move cmake source files into cmake/ to keep them together.

1 files changed, 50 insertions, 0 deletions

diff --git a/cmake/Version.cmake b/cmake/Version.cmake
new file mode 100644
index 000000000..fb636c4ff
--- /dev/null
+++ b/cmake/Version.cmake
@@ -0,0 +1,50 @@
+# Copyright (c) 2014-2017, The Monero Project
+# 
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+# 
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+# 
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other
+#    materials provided with the distribution.
+# 
+# 3. Neither the name of the copyright holder nor the names of its contributors may be
+#    used to endorse or promote products derived from this software without specific
+#    prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+function (write_static_version_header hash)
+  set(VERSIONTAG "${hash}")
+  configure_file("src/version.cpp.in" "version.cpp")
+endfunction ()
+
+find_package(Git QUIET)
+if ("$Format:$" STREQUAL "")
+  # We're in a tarball; use hard-coded variables.
+  write_static_version_header("release")
+elseif (GIT_FOUND OR Git_FOUND)
+  message(STATUS "Found Git: ${GIT_EXECUTABLE}")
+  add_custom_target(genversion ALL
+    COMMAND           "${CMAKE_COMMAND}"
+                      "-D" "GIT=${GIT_EXECUTABLE}"
+                      "-D" "TO=${CMAKE_BINARY_DIR}/version.cpp"
+                      "-P" "cmake/GenVersion.cmake"
+    BYPRODUCTS        "${CMAKE_BINARY_DIR}/version.cpp"
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}")
+else()
+  message(STATUS "WARNING: Git was not found!")
+  write_static_version_header("unknown")
+endif ()