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# - Try to find utfcpp
# Once done, this will define
#
# UTFCPP_FOUND - system has utfcpp's utf8.h
# UTFCPP_PATH - the utfcpp include directories
include(CheckCXXSourceCompiles)
set(UTFCPP_FOUND FALSE)
find_path(UTFCPP_INCLUDE_DIR
NAMES utf8.h
HINTS "${UTFCPP_PATH}"
PATHS "${PROJECT_SOURCE_DIR}/lib/utfcpp/v3/source"
)
if (UTFCPP_INCLUDE_DIR)
set(CMAKE_REQUIRED_INCLUDES "${UTFCPP_INCLUDE_DIR}")
set(UTFCPP_FOUND TRUE)
endif()
check_cxx_source_compiles("
#include <string>
#include \"utf8.h\"
int main(int argc, char** argv) {
std::string input = std::string(\"utfcpp\");
const char * p = input.c_str();
std::size_t len = input.length();
utf8::is_valid(p, p + len);
}" HAVE_WORKING_UTFCPP)
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