1 files changed, 62 insertions, 0 deletions
diff --git a/cmake/modules/FindYajl.cmake b/cmake/modules/FindYajl.cmake
new file mode 100644
index 0000000000..c73a67b809
--- /dev/null
+++ b/cmake/modules/FindYajl.cmake
@@ -0,0 +1,62 @@
+#.rst:
+# FindYajl
+# --------
+# Finds the Yajl library
+#
+# This will will define the following variables::
+#
+# YAJL_FOUND - system has Yajl
+# YAJL_INCLUDE_DIRS - Yajl include directory
+# YAJL_LIBRARIES - the Yajl libraries
+#
+# and the following imported targets::
+#
+#   Yajl::Yajl   - The Yajl library
+
+if(NOT Yajl_FIND_VERSION)
+  set(Yajl_FIND_VERSION 2.0.0)
+endif()
+
+if(PKG_CONFIG_FOUND)
+  pkg_check_modules(PC_YAJL yajl>=${Yajl_FIND_VERSION} QUIET)
+endif()
+
+find_path(YAJL_INCLUDE_DIR NAMES yajl/yajl_common.h
+                           PATHS ${PC_YAJL_INCLUDEDIR})
+find_library(YAJL_LIBRARY NAMES yajl
+                          PATHS ${PC_YAJL_LIBDIR})
+
+if(PC_YAJL_VERSION)
+  set(YAJL_VERSION_STRING ${PC_YAJL_VERSION})
+elseif(YAJL_INCLUDE_DIR AND EXISTS "${YAJL_INCLUDE_DIR}/yajl/yajl_version.h")
+  file(STRINGS "${YAJL_INCLUDE_DIR}/yajl/yajl_version.h" yajl_version_str REGEX "^[ \t]*#define[ \t]+YAJL_(MAJOR|MINOR|MICRO)")
+  string(REGEX REPLACE "YAJL_MAJOR ([0-9]+)" "\\1" YAJL_VERSION_MAJOR "${YAJL_VERSION_MAJOR}")
+
+  string(REGEX REPLACE ".*YAJL_MAJOR ([0-9]+).*" "\\1" yajl_major "${yajl_version_str}")
+  string(REGEX REPLACE ".*YAJL_MINOR ([0-9]+).*" "\\1" yajl_minor "${yajl_version_str}")
+  string(REGEX REPLACE ".*YAJL_MICRO ([0-9]+).*" "\\1" yajl_micro "${yajl_version_str}")
+  set(YAJL_VERSION_STRING "${yajl_major}.${yajl_minor}.${yajl_micro}")
+  unset(yajl_version_str)
+  unset(yajl_major)
+  unset(yajl_minor)
+  unset(yajl_micro)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Yajl
+                                  REQUIRED_VARS YAJL_LIBRARY YAJL_INCLUDE_DIR
+                                  VERSION_VAR YAJL_VERSION_STRING)
+
+if(YAJL_FOUND)
+  set(YAJL_INCLUDE_DIRS ${YAJL_INCLUDE_DIR})
+  set(YAJL_LIBRARIES ${YAJL_LIBRARY})
+
+  if(NOT TARGET Yajl::Yajl)
+    add_library(Yajl::Yajl UNKNOWN IMPORTED)
+    set_target_properties(Yajl::Yajl PROPERTIES
+                                     IMPORTED_LOCATION "${YAJL_LIBRARY}"
+                                     INTERFACE_INCLUDE_DIRECTORIES "${YAJL_INCLUDE_DIR}")
+  endif()
+endif()
+
+mark_as_advanced(YAJL_INCLUDE_DIR YAJL_LIBRARY)