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cmake: improve finding wx utils 

Clear the `find_program()` cache variable before each use.

On win32 prefer unqualified utility executables.

Add special handling for msys2, where wx-config is a shell script that
cannot be directly run from native cmake.

This is a followup on 2097b5aa.

Signed-off-by: Rafael Kitover <rkitover@gmail.com>
This commit is contained in:
Rafael Kitover 2019-04-06 01:37:02 +00:00
parent 836b74a162
commit 5b9d1a7174
No known key found for this signature in database
GPG Key ID: 08AB596679D86240
1 changed files with 106 additions and 12 deletions
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118
src/wx/CMakeLists.txt
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@ -156,28 +156,94 @@ else()
set(wxWidgets_USE_UNICODE ON)
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} ${exit_status} PARENT_SCOPE)
endfunction()
function(find_wx_util var util)
foreach(conf_suffix gtk4 gtk3 "")
foreach(major_version 4 3 2 "")
foreach(minor_version RANGE 0 101)
# on win32, including cross builds we prefer the plain utility name first from PATH
if(WIN32)
set(conf_suffixes "" gtk4 gtk3)
set(major_versions "" 4 3 2)
else()
set(conf_suffixes gtk4 gtk3 "")
set(major_versions 4 3 2 "")
endif()
foreach(conf_suffix IN LISTS conf_suffixes)
foreach(major_version IN LISTS major_versions)
foreach(minor_version RANGE 100 0 -1)
unset(suffix)
if(conf_suffix)
set(suffix "-${conf_suffix}")
endif()
if(major_version)
set(suffix "${suffix}-${major_version}")
endif()
if(NOT minor_version EQUAL 101)
set(suffix "${suffix}.${minor_version}")
if(NOT minor_version EQUAL 0)
set(suffix "${suffix}.${minor_version}")
endif()
endif()
find_program(${var} NAMES "${util}${suffix}")
# find_program caches the result
set(exe NOTFOUND CACHE INTERNAL "" FORCE)
find_program(exe NAMES "${util}${suffix}")
if(${${var}})
return()
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()
@ -560,12 +626,40 @@ elseif(DEFINED ENV{WXRC})
elseif(wxWidgets_CONFIG_EXECUTABLE)
execute_process(
COMMAND ${wxWidgets_CONFIG_EXECUTABLE} --utility=wxrc
OUTPUT_VARIABLE WXRC
OUTPUT_VARIABLE wxrc
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
# this is necessary on msys2
if(NOT wxrc)
execute_process(
COMMAND sh -c "${wxWidgets_CONFIG_EXECUTABLE} --utility=wxrc"
OUTPUT_VARIABLE wxrc
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
endif()
# check if the path from wx-config is good
if(NOT EXISTS ${WXRC})
unset(WXRC)
# and not e.g. an incompatible binary when cross-compiling
if(EXISTS ${wxrc})
check_clean_exit(exit_status ${wxrc} --help)
if(exit_status EQUAL 0)
set(WXRC ${wxrc})
endif()
elseif(wxrc)
# this is necessary on msys2
cygpath(cyg_path ${wxrc})
if(EXISTS ${cyg_path})
check_clean_exit(exit_status ${cyg_path} --help)
if(exit_status EQUAL 0)
set(WXRC ${cyg_path})
endif()
endif()
endif()
endif()