cmake: Added config.h back to the game

1 files changed, 30 insertions, 0 deletions

diff --git a/host/cmake/Modules/UHDGlobalDefs.cmake b/host/cmake/Modules/UHDGlobalDefs.cmake
new file mode 100644
index 000000000..b4c0173ea
--- /dev/null
+++ b/host/cmake/Modules/UHDGlobalDefs.cmake
@@ -0,0 +1,30 @@
+#
+# Copyright 2015 Ettus Research LLC
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+# This file sets up all the stuff for the config.h file
+
+INCLUDE(CheckCXXSymbolExists)
+
+## Check for std::log2
+CHECK_CXX_SYMBOL_EXISTS("log2" "cmath" HAVE_LOG2)
+
+## Macros for the version number
+MATH(EXPR UHD_VERSION_ADDED "10000 * ${TRIMMED_VERSION_MAJOR} + 100 * ${TRIMMED_VERSION_MINOR} + ${TRIMMED_VERSION_PATCH}")
+ADD_DEFINITIONS(-DUHD_VERSION=${UHD_VERSION_ADDED})
+
+## make sure the code knows about config.h
+ADD_DEFINITIONS(-DHAVE_CONFIG_H)