diff options
Diffstat (limited to 'libevent/cmake/Macros.cmake')
| -rw-r--r-- | libevent/cmake/Macros.cmake | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libevent/cmake/Macros.cmake b/libevent/cmake/Macros.cmake new file mode 100644 index 0000000..e480bbf --- /dev/null +++ b/libevent/cmake/Macros.cmake @@ -0,0 +1,36 @@ +include(CheckSymbolExists) +include(CheckIncludeFiles) + +# Check if each symbol in the symbol list exists, +# and define PREFIX__HAVE_SYMNAME to 1 if yes. +# +# SYMLIST: list of symbols to check +# HEADERS: header files to be included in check code +# PREFIX: the prefix of definition +macro(CHECK_SYMBOLS_EXIST SYMLIST HEADERS PREFIX) + foreach(SYMNAME ${SYMLIST}) + string(TOUPPER "${SYMNAME}" SYMNAME_UPPER) + if ("${PREFIX}" STREQUAL "") + set(HAVE_SYM_DEF "HAVE_${SYMNAME_UPPER}") + else() + set(HAVE_SYM_DEF "${PREFIX}__HAVE_${SYMNAME_UPPER}") + endif() + CHECK_SYMBOL_EXISTS(${SYMNAME} "${HEADERS}" ${HAVE_SYM_DEF}) + endforeach() +endmacro() + +# Check if file exists, define PREFIX__HAVE_FILE to 1 if yes, +# and collect file to EVENT_INCLUDES +macro(CHECK_INCLUDE_FILE_CONCAT FILE PREFIX) + string(REGEX REPLACE "[./]" "_" FILE_UL ${FILE}) + string(TOUPPER "${FILE_UL}" FILE_UL_UPPER) + if ("${PREFIX}" STREQUAL "") + set(HAVE_FILE_DEF "HAVE_${FILE_UL_UPPER}") + else() + set(HAVE_FILE_DEF "${PREFIX}__HAVE_${FILE_UL_UPPER}") + endif() + CHECK_INCLUDE_FILES("${EVENT_INCLUDES};${FILE}" ${HAVE_FILE_DEF}) + if(${HAVE_FILE_DEF}) + set(EVENT_INCLUDES ${EVENT_INCLUDES} ${FILE}) + endif() +endmacro() |