Add detection of strtoull_l function (#5333) (#5337)

google · May 9, 2019 · bff7ffb · bff7ffb
1 parent 107c089
commit bff7ffb
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -42,12 +42,18 @@ if(DEFINED FLATBUFFERS_MAX_PARSING_DEPTH)
   message(STATUS "FLATBUFFERS_MAX_PARSING_DEPTH: ${FLATBUFFERS_MAX_PARSING_DEPTH}")
 endif()
 
-# Auto-detect locale-narrow 'strtod_l' function.
+# Auto-detect locale-narrow 'strtod_l' and  'strtoull_l' functions.
 if(NOT DEFINED FLATBUFFERS_LOCALE_INDEPENDENT)
+  set(FLATBUFFERS_LOCALE_INDEPENDENT 0)
   if(MSVC)
-    check_cxx_symbol_exists(_strtof_l stdlib.h FLATBUFFERS_LOCALE_INDEPENDENT)
+    check_cxx_symbol_exists(_strtof_l stdlib.h FLATBUFFERS_HAS_STRTOF_L)
+    check_cxx_symbol_exists(_strtoui64_l stdlib.h FLATBUFFERS_HAS_STRTOULL_L)
   else()
-    check_cxx_symbol_exists(strtof_l stdlib.h FLATBUFFERS_LOCALE_INDEPENDENT)
+    check_cxx_symbol_exists(strtof_l stdlib.h FLATBUFFERS_HAS_STRTOF_L)
+    check_cxx_symbol_exists(strtoull_l stdlib.h FLATBUFFERS_HAS_STRTOULL_L)
+  endif()
+  if(FLATBUFFERS_HAS_STRTOF_L AND FLATBUFFERS_HAS_STRTOULL_L)
+    set(FLATBUFFERS_LOCALE_INDEPENDENT 1)
   endif()
 endif()
 add_definitions(-DFLATBUFFERS_LOCALE_INDEPENDENT=$<BOOL:${FLATBUFFERS_LOCALE_INDEPENDENT}>)