build: lib: onigmo: Bundle the patched fluent/onigmo

Also, this update bumps up Unicode version to 12.0.

Signed-off-by: Hiroshi Hatake <hatake@calyptia.com>

Author: cosmo0920

.gitignore

@@ -5,7 +5,6 @@
 *~
 _book/
 lib/jemalloc
-lib/onigmo
 tests/internal/flb_tests_internal.h
 tests/runtime/flb_tests_runtime.h
 build/*

CMakeLists.txt

@@ -885,11 +885,21 @@ if(FLB_IN_KAFKA OR FLB_OUT_KAFKA)
     add_subdirectory(${FLB_PATH_LIB_RDKAFKA} EXCLUDE_FROM_ALL)
 endif()
 
-# Onigmo (Regex Engine)
+# Onigmo (Regex Engine) options
 # =====================
 if(FLB_REGEX)
-  include(cmake/onigmo.cmake)
+  option(ONIGMO_SHARED_LIB    OFF)
+  option(ONIGMO_CTESTS        OFF)
+  option(ONIGMO_CTESTS_SAMPLE OFF)
+  option(ONIGMO_PYTHON_TESTS  OFF)
   FLB_DEFINITION(FLB_HAVE_REGEX)
+
+  if (FLB_SYSTEM_WINDOWS)
+    # We need this line in order to link libonigmo.lib statically.
+    # Read onigmo/README for details.
+    FLB_DEFINITION_VAL(ONIG_EXTERN "extern")
+  endif()
+  add_subdirectory(${FLB_PATH_LIB_ONIGMO} EXCLUDE_FROM_ALL)
 endif()
 
 # tutf8e (UTF8 Encoding)

cmake/onigmo.cmake

@@ -1,2 +1,2 @@
 kentkt AT csc DOT jp (K.Takata)
-sndgk393 AT ybb DOT ne DOT jp (K.Kosako)
+<kkosako0@gmail.com> (K.Kosako)