xref: /freebsd/contrib/libevent/cmake/Macros.cmake (revision b50261e21f39a6c7249a49e7b60aa878c98512a8)
1*b50261e2SCy Schubertinclude(CheckSymbolExists)
2*b50261e2SCy Schubertinclude(CheckIncludeFiles)
3*b50261e2SCy Schubert
4*b50261e2SCy Schubert# Check if each symbol in the symbol list exists,
5*b50261e2SCy Schubert# and define PREFIX__HAVE_SYMNAME to 1 if yes.
6*b50261e2SCy Schubert#
7*b50261e2SCy Schubert# SYMLIST: list of symbols to check
8*b50261e2SCy Schubert# HEADERS: header files to be included in check code
9*b50261e2SCy Schubert# PREFIX: the prefix of definition
10*b50261e2SCy Schubertmacro(CHECK_SYMBOLS_EXIST SYMLIST HEADERS PREFIX)
11*b50261e2SCy Schubert  foreach(SYMNAME ${SYMLIST})
12*b50261e2SCy Schubert    string(TOUPPER "${SYMNAME}" SYMNAME_UPPER)
13*b50261e2SCy Schubert    if ("${PREFIX}" STREQUAL "")
14*b50261e2SCy Schubert      set(HAVE_SYM_DEF "HAVE_${SYMNAME_UPPER}")
15*b50261e2SCy Schubert    else()
16*b50261e2SCy Schubert      set(HAVE_SYM_DEF "${PREFIX}__HAVE_${SYMNAME_UPPER}")
17*b50261e2SCy Schubert    endif()
18*b50261e2SCy Schubert    CHECK_SYMBOL_EXISTS(${SYMNAME} "${HEADERS}" ${HAVE_SYM_DEF})
19*b50261e2SCy Schubert  endforeach()
20*b50261e2SCy Schubertendmacro()
21*b50261e2SCy Schubert
22*b50261e2SCy Schubert# Check if file exists, define PREFIX__HAVE_FILE to 1 if yes,
23*b50261e2SCy Schubert# and collect file to EVENT_INCLUDES
24*b50261e2SCy Schubertmacro(CHECK_INCLUDE_FILE_CONCAT FILE PREFIX)
25*b50261e2SCy Schubert  string(REGEX REPLACE "[./]" "_" FILE_UL ${FILE})
26*b50261e2SCy Schubert  string(TOUPPER "${FILE_UL}" FILE_UL_UPPER)
27*b50261e2SCy Schubert  if ("${PREFIX}" STREQUAL "")
28*b50261e2SCy Schubert    set(HAVE_FILE_DEF "HAVE_${FILE_UL_UPPER}")
29*b50261e2SCy Schubert  else()
30*b50261e2SCy Schubert    set(HAVE_FILE_DEF "${PREFIX}__HAVE_${FILE_UL_UPPER}")
31*b50261e2SCy Schubert  endif()
32*b50261e2SCy Schubert  CHECK_INCLUDE_FILES("${EVENT_INCLUDES};${FILE}" ${HAVE_FILE_DEF})
33*b50261e2SCy Schubert  if(${HAVE_FILE_DEF})
34*b50261e2SCy Schubert    set(EVENT_INCLUDES ${EVENT_INCLUDES} ${FILE})
35*b50261e2SCy Schubert  endif()
36*b50261e2SCy Schubertendmacro()
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