Merge pull request #180

ce71c01 cmake: work around a bug with implicit link directories (Ben Boeckel)
de4fc40 mingw: copy required libraries to the build tree (Ben Boeckel)
ec54e2f cmake: place binaries together in the build tree (Ben Boeckel)
18c56ab msys: don't use LTO (Ben Boeckel)
5680c9c msys: factor out -Werror on msys (Ben Boeckel)
4751542 msys: look in msys' directory for files (Ben Boeckel)
d855fe4 miniupnpc: bump the _POSIX_C_SOURCE feature macro (Ben Boeckel)
c696492 unbound: fix getaddrinfo detection for 32-bit windows (Ben Boeckel)
e377687 cmake: Windows and static builds need this (Ben Boeckel)
01895dd cmake: fix up link lines (Ben Boeckel)
4b6515c unbound: fix type checking (Ben Boeckel)
d43a20f unbound: plumb the libdir up (Ben Boeckel)
7d708e4 cmake: support 2.8.7 (Ben Boeckel)
464c280 cmake: fix up miniupnpc's define (Ben Boeckel)
9689df9 cmake: clean up EXTRA_LIBRARIES (Ben Boeckel)
3b7bdcb cmake: set the project name (Ben Boeckel)
0f0efc4 cmake: prepend to CMAKE_MODULE_PATH (Ben Boeckel)
031e3da cmake: remove scream-make (all-caps functions) (Ben Boeckel)
abbd5c0 unbound: import cmake build system (Ben Boeckel)
e59b5b7 miniupnpc: clean up build system (Ben Boeckel)
475fe20 cmake: minor cleanups (indentation and typos) (Ben Boeckel)
799e8b2 cmake: use option() for STATIC (Ben Boeckel)
c24d22b cmake: clean up if auto-dereferencing (Ben Boeckel)
9ed415a build: inform the build of what generates version.h (Ben Boeckel)
eba180a cmake: support git info in released tarballs (Ben Boeckel)
eeffac6 cmake: fix up BOOST_IGNORE_SYSTEM_PATHS (Ben Boeckel)
a43f1a8 cmake: remove configuration variables (Ben Boeckel)
a87ce09 cmake: factor out error messages (Ben Boeckel)
9aa48b6 miniupnpc: clear out else/endfoo command arguments (Ben Boeckel)
8a86ac8 daemon_tests: update cmake code (Ben Boeckel)
fa3ff75 gtest: support an external gtest (Ben Boeckel)
7bfcffa cmake: put each test executable in its own directory (Ben Boeckel)
f53f047 cmake: handle private vs. public headers (Ben Boeckel)
55ca7d3 cmake: refactor common code with libraries (Ben Boeckel)
c773f46 cmake: refactor common code with executables (Ben Boeckel)
89cff7b cmake: put each library into its own directory (Ben Boeckel)

1 files changed, 33 insertions, 0 deletions

diff --git a/version.cmake b/version.cmake
new file mode 100644
index 000000000..80f1c40b8
--- /dev/null
+++ b/version.cmake
@@ -0,0 +1,33 @@
+function (write_static_version_header hash)
+  set(VERSIONTAG "${hash}")
+  configure_file("src/version.h.in" "version/version.h")
+  add_custom_target(version ALL)
+endfunction ()
+
+file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/version")
+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: ${GIT_EXECUTABLE}")
+  set(extra_output)
+  if (CMAKE_GENERATOR MATCHES "Ninja")
+    # Ninja will not rerun the command every time if the file doesn't change,
+    # so inject this bogus output so that it always runs.
+    set(extra_output "${CMAKE_SOURCE_DIR}/.force-git-version-check")
+  endif ()
+  add_custom_command(
+    OUTPUT            "${CMAKE_BINARY_DIR}/version/version.h"
+                      ${extra_output}
+    COMMAND           "${CMAKE_COMMAND}"
+                      "-D" "GIT=${GIT_EXECUTABLE}"
+                      "-D" "TO=${CMAKE_BINARY_DIR}/version/version.h"
+                      "-P" "src/version.cmake"
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}")
+  add_custom_target(version ALL
+    DEPENDS "${CMAKE_BINARY_DIR}/version/version.h")
+else()
+  message(STATUS "WARNING: Git was not found!")
+  write_static_version_header("unknown")
+endif ()