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Merge pull request #384 from embhorn/zd17139
Cmake build fixes
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| Original file line number | Diff line number | Diff line change |
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| # wolfSSL CMake | ||
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| This directory contains some supplementary functions for the [CMakeLists.txt](../CMakeLists.txt) in the root. | ||
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| See also cmake notes in the [INSTALL](../INSTALL) documentation file. | ||
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| Original file line number | Diff line number | Diff line change |
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| function(override_cache VAR VAL) | ||
| get_property(VAR_STRINGS CACHE ${VAR} PROPERTY STRINGS) | ||
| LIST(FIND VAR_STRINGS ${VAL} CK) | ||
| if(-1 EQUAL ${CK}) | ||
| message(SEND_ERROR | ||
| "\"${VAL}\" is not valid override value for \"${VAR}\"." | ||
| " Please select value from \"${VAR_STRINGS}\"\n") | ||
| endif() | ||
| set_property(CACHE ${VAR} PROPERTY VALUE ${VAL}) | ||
| endfunction() | ||
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| function(add_option NAME HELP_STRING DEFAULT VALUES) | ||
| # Set the default value for the option. | ||
| set(${NAME} ${DEFAULT} CACHE STRING ${HELP_STRING}) | ||
| # Set the list of allowed values for the option. | ||
| set_property(CACHE ${NAME} PROPERTY STRINGS ${VALUES}) | ||
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| if(DEFINED ${NAME}) | ||
| list(FIND VALUES ${${NAME}} IDX) | ||
| # | ||
| # If the given value isn't in the list of allowed values for the option, | ||
| # reduce it to yes/no according to CMake's "if" logic: | ||
| # https://cmake.org/cmake/help/latest/command/if.html#basic-expressions | ||
| # | ||
| # This has no functional impact; it just makes the settings in | ||
| # CMakeCache.txt and cmake-gui easier to read. | ||
| # | ||
| if (${IDX} EQUAL -1) | ||
| if(${${NAME}}) | ||
| override_cache(${NAME} "yes") | ||
| else() | ||
| override_cache(${NAME} "no") | ||
| endif() | ||
| endif() | ||
| endif() | ||
| endfunction() | ||
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| function(add_to_options_file DEFINITIONS OPTION_FILE) | ||
| list(REMOVE_DUPLICATES DEFINITIONS) | ||
| foreach(DEF IN LISTS DEFINITIONS) | ||
| if(DEF MATCHES "^-D") | ||
| if(DEF MATCHES "^-D(N)?DEBUG(=.+)?") | ||
| message("not outputting (N)DEBUG to ${OPTION_FILE}") | ||
| endif() | ||
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| # allow user to ignore system options | ||
| if(DEF MATCHES "^-D_.*") | ||
| file(APPEND ${OPTION_FILE} "#ifndef WOLFSSL_OPTIONS_IGNORE_SYS\n") | ||
| endif() | ||
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| string(REGEX REPLACE "^-D" "" DEF_NO_PREFIX ${DEF}) | ||
| string(REGEX REPLACE "=.*$" "" DEF_NO_EQUAL_NO_VAL ${DEF_NO_PREFIX}) | ||
| string(REPLACE "=" " " DEF_NO_EQUAL ${DEF_NO_PREFIX}) | ||
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| file(APPEND ${OPTION_FILE} "#undef ${DEF_NO_EQUAL_NO_VAL}\n") | ||
| file(APPEND ${OPTION_FILE} "#define ${DEF_NO_EQUAL}\n") | ||
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| if(DEF MATCHES "^-D_.*") | ||
| file(APPEND ${OPTION_FILE} "#endif\n") | ||
| endif() | ||
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| file(APPEND ${OPTION_FILE} "\n") | ||
| endif() | ||
| endforeach() | ||
| endfunction() |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,2 @@ | ||
| EXTRA_DIST += cmake/README.md | ||
| EXTRA_DIST += cmake/functions.cmake |