Make cuchar check test if c32rtomb is present in system

Fix for mac build where cuchar is present but uchar.h is not.
develop
Pauli 2018-06-13 18:36:57 +03:00
parent 84f8a75a2e
commit 84b1361387
1 changed files with 13 additions and 4 deletions

@ -137,9 +137,18 @@ ${CMAKE_MODULE_PATH}
# generates compile_commands.json, used for autocompletion by some editors
SET(CMAKE_EXPORT_COMPILE_COMMANDS ON)
include(CheckIncludeFileCXX)
CHECK_INCLUDE_FILE_CXX("cuchar" HAVE_CUCHAR)
if(HAVE_CUCHAR)
include(CheckCXXSourceCompiles)
CHECK_CXX_SOURCE_COMPILES("
#include <cstdlib>
#include <cuchar>
int main(void) {
char32_t in = 0;
char out[MB_CUR_MAX];
std::mbstate_t state{};
std::c32rtomb(out, in, &state);
return 0;
}" HAVE_CUCHAR2)
if(HAVE_CUCHAR2)
add_definitions("-DHAVE_CUCHAR")
endif()