Add CMake build system

[folly.git] / CMake / FindDoubleConversion.cmake

diff --git a/CMake/FindDoubleConversion.cmake b/CMake/FindDoubleConversion.cmake
new file mode 100755 (executable)
index 0000000..0a967eb
--- /dev/null
+++ b/CMake/FindDoubleConversion.cmake
@@ -0,0 +1,22 @@
+# Finds libdouble-conversion.
+#
+# This module defines:
+# DOUBLE_CONVERSION_INCLUDE_DIR
+# DOUBLE_CONVERSION_LIBRARY
+#
+
+find_path(DOUBLE_CONVERSION_INCLUDE_DIR double-conversion/double-conversion.h)
+find_library(DOUBLE_CONVERSION_LIBRARY NAMES double-conversion)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(
+    DOUBLE_CONVERSION DEFAULT_MSG
+    DOUBLE_CONVERSION_LIBRARY DOUBLE_CONVERSION_INCLUDE_DIR)
+
+if (NOT DOUBLE_CONVERSION_FOUND)
+  message(STATUS "Using third-party bundled double-conversion")
+else()
+  message(STATUS "Found double-conversion: ${DOUBLE_CONVERSION_LIBRARY}")
+endif (NOT DOUBLE_CONVERSION_FOUND)
+
+mark_as_advanced(DOUBLE_CONVERSION_INCLUDE_DIR DOUBLE_CONVERSION_LIBRARY)