bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
# - Try to find the Clang/LLVM executable
# Once done this will define
#
# EMSCRIPTEN_FOUND - system has Clang
# EMSCRIPTEN_VERSION - Clang version
# EMSCRIPTEN_EXECUTABLE - Clang executable
#
# Copyright (c) 2013, Vittorio Giovara <vittorio.giovara@gmail.com>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
find_program(EMSCRIPTEN_EXECUTABLE
NAMES emcc
PATHS /opt/local/bin /usr/local/bin /usr/bin)
if (EMSCRIPTEN_EXECUTABLE)
execute_process(COMMAND ${EMSCRIPTEN_EXECUTABLE} -v
OUTPUT_VARIABLE EMSCRIPTEN_VERSION_OUTPUT
ERROR_VARIABLE EMSCRIPTEN_VERSION_ERROR
RESULT_VARIABLE EMSCRIPTEN_VERSION_RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(${EMSCRIPTEN_VERSION_RESULT} EQUAL 0)
string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" EMSCRIPTEN_VERSION "${EMSCRIPTEN_VERSION_OUTPUT}")
string(REGEX REPLACE "([0-9]+\\.[0-9]+\\.[0-9]+)" "\\1" EMSCRIPTEN_VERSION "${EMSCRIPTEN_VERSION}")
else()
message(SEND_ERROR "Command \"${EMSCRIPTEN_EXECUTABLE} --version\" failed with output: ${EMSCRIPTEN_VERSION_ERROR}")
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Emscripten DEFAULT_MSG EMSCRIPTEN_EXECUTABLE EMSCRIPTEN_VERSION)
mark_as_advanced(EMSCRIPTEN_VERSION)