visualboyadvance-m/cmake/VbamFunctions.cmake

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CMake
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# From: https://stackoverflow.com/a/41416298/262458
function(REMOVE_DUPES ARG_STR OUTPUT)
set(ARG_LIST ${ARG_STR})
separate_arguments(ARG_LIST)
list(REMOVE_DUPLICATES ARG_LIST)
string (REGEX REPLACE "([^\\]|^);" "\\1 " _TMP_STR "${ARG_LIST}")
string (REGEX REPLACE "[\\](.)" "\\1" _TMP_STR "${_TMP_STR}") #fixes escaping
set (${OUTPUT} "${_TMP_STR}" PARENT_SCOPE)
endfunction()
# From: https://stackoverflow.com/a/7216542
function(JOIN VALUES GLUE OUTPUT)
string (REGEX REPLACE "([^\\]|^);" "\\1${GLUE}" _TMP_STR "${VALUES}")
string (REGEX REPLACE "[\\](.)" "\\1" _TMP_STR "${_TMP_STR}") #fixes escaping
set (${OUTPUT} "${_TMP_STR}" PARENT_SCOPE)
endfunction()
# On MSYS2 transform wx lib paths to native paths for Ninja.
function(normalize_wx_paths)
if(MSYS)
set(libs "")
foreach(lib ${wxWidgets_LIBRARIES})
if(NOT lib MATCHES "^(-Wl,|-mwindows$|-pipe$)")
if(lib MATCHES "^/")
cygpath(lib "${lib}")
endif()
if(VBAM_STATIC AND lib MATCHES "^-l(wx.*|jpeg|tiff|jbig|lzma|expat)$")
cygpath(lib "$ENV{MSYSTEM_PREFIX}/lib/lib${CMAKE_MATCH_1}.a")
endif()
list(APPEND libs "${lib}")
endif()
endforeach()
set(wxWidgets_LIBRARIES "${libs}" PARENT_SCOPE)
endif()
endfunction()
macro(cleanup_wx_vars)
if(wxWidgets_CXX_FLAGS)
list(REMOVE_ITEM wxWidgets_CXX_FLAGS -fpermissive)
endif()
endmacro()
function(cygpath var path)
execute_process(
COMMAND cygpath -m ${path}
OUTPUT_VARIABLE cyg_path
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
set(${var} ${cyg_path} PARENT_SCOPE)
endfunction()
function(check_clean_exit var)
execute_process(
COMMAND ${ARGN}
RESULT_VARIABLE exit_status
OUTPUT_QUIET
ERROR_QUIET
)
if(NOT ${exit_status} EQUAL 0)
# special case for msys2, where programs might complain about
# not being win32 programs
unset(cmd_str)
foreach(param IN LISTS ARGN)
set(cmd_str "${cmd_str} ${param}")
endforeach()
string(STRIP "${cmd_str}" cmd_str)
execute_process(
COMMAND sh -c "${cmd_str}"
RESULT_VARIABLE exit_status
OUTPUT_QUIET
ERROR_QUIET
)
endif()
set(${var} ${exit_status} PARENT_SCOPE)
endfunction()
function(find_wx_util var util)
if(WIN32 OR EXISTS /etc/gentoo-release)
# On win32, including cross builds we prefer the plain utility
# name first from PATH, with the exception of -static for static
# builds.
#
# On Gentoo /usr/bin/wx-config loads the eselected build, so we
# want to try that first.
#
# This makes a one element of empty string list.
if(VBAM_STATIC)
set(conf_suffixes "static;")
else()
set(conf_suffixes ";")
endif()
set(major_versions ";")
endif()
list(APPEND conf_suffixes gtk4u gtk4 gtk3u gtk3 gtk2u gtk2 "")
list(APPEND major_versions 4 3 2 "")
foreach(conf_suffix IN LISTS conf_suffixes)
foreach(major_version IN LISTS major_versions)
foreach(minor_version RANGE 100 -1 -1)
unset(suffix)
if(conf_suffix)
set(suffix "-${conf_suffix}")
endif()
if(major_version)
set(suffix "${suffix}-${major_version}")
if(NOT minor_version EQUAL -1)
set(suffix "${suffix}.${minor_version}")
endif()
endif()
# find_program caches the result
set(exe NOTFOUND CACHE INTERNAL "" FORCE)
find_program(exe NAMES "${util}${suffix}")
# try infix variant, as on FreeBSD
if(NOT EXISTS ${exe})
string(REGEX REPLACE "^-" "" suffix "${suffix}")
string(REGEX REPLACE "-" "${suffix}-" try ${util})
set(exe NOTFOUND CACHE INTERNAL "" FORCE)
find_program(exe NAMES ${try})
endif()
if(EXISTS ${exe})
# check that the utility can be executed cleanly
# in case we find e.g. the wrong architecture binary
# when cross-compiling
check_clean_exit(exit_status ${exe} --help)
if(exit_status EQUAL 0)
set(${var} ${exe} PARENT_SCOPE)
return()
endif()
endif()
# don't iterate over minor versions for empty major version
if(major_version STREQUAL "")
break()
endif()
endforeach()
endforeach()
# default to util name if not found, so the error is more clear
set(${var} ${util} PARENT_SCOPE)
endforeach()
endfunction()
# vim:sw=4 sts et: