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 Glasgow Haskell Compiler executable
# Once done this will define
#
# GHC_FOUND - system has GHC
# GHC_VERSION - GHC version
# GHC_EXECUTABLE - GHC 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(GHC_EXECUTABLE
NAMES ghc
PATHS /opt/local/bin /usr/local/bin /usr/bin
)
if (GHC_EXECUTABLE)
# check ghc version
execute_process(COMMAND ${GHC_EXECUTABLE} -V
OUTPUT_VARIABLE GHC_VERSION_OUTPUT
ERROR_VARIABLE GHC_VERSION_ERROR
RESULT_VARIABLE GHC_VERSION_RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(${GHC_VERSION_RESULT} EQUAL 0)
string(REGEX MATCH "([0-9]+)" GHC_VERSION ${GHC_VERSION_OUTPUT})
else()
message(SEND_ERROR "Command \"${GHC_EXECUTABLE} -V\" failed with output: ${GHC_VERSION_ERROR}")
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GHC DEFAULT_MSG GHC_EXECUTABLE GHC_VERSION)
mark_as_advanced(GHC_VERSION)