kc3-lang/gnulib/m4/decl.m4
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Hash : d2e11830
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Date : 1998-10-18T01:07:17
(jm_CHECK_DECLARATION): Don't hard-code which headers to include, though we still hard-code the `require'-like AC_CHECK_HEADERS calls for those previously hard-coded headers. Instead, take a new parameter. (jm_CHECK_DECLARATIONS): Reflect interface change.
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m4/decl.m4
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#serial 3 AC_DEFUN(jm_CHECK_DECLARATION, [ AC_REQUIRE([AC_HEADER_STDC])dnl test -z "$ac_cv_header_memory_h" && AC_CHECK_HEADERS(memory.h) test -z "$ac_cv_header_string_h" && AC_CHECK_HEADERS(string.h) test -z "$ac_cv_header_strings_h" && AC_CHECK_HEADERS(strings.h) test -z "$ac_cv_header_stdlib_h" && AC_CHECK_HEADERS(stdlib.h) test -z "$ac_cv_header_unistd_h" && AC_CHECK_HEADERS(unistd.h) AC_MSG_CHECKING([whether $1 is declared]) AC_CACHE_VAL(jm_cv_func_decl_$1, [AC_TRY_COMPILE($2, [ #ifndef $1 char *(*pfn) = (char *(*)) $1 #endif ], eval "jm_cv_func_decl_$1=yes", eval "jm_cv_func_decl_$1=no")]) if eval "test \"`echo '$jm_cv_func_decl_'$1`\" = yes"; then AC_MSG_RESULT(yes) ifelse([$3], , :, [$3]) else AC_MSG_RESULT(no) ifelse([$4], , , [$4 ])dnl fi ])dnl dnl jm_CHECK_DECLARATIONS(INCLUDES, FUNCTION... [, ACTION-IF-DECLARED dnl [, ACTION-IF-NOT-DECLARED]]) AC_DEFUN(jm_CHECK_DECLARATIONS, [ for jm_func in $2 do jm_CHECK_DECLARATION($jm_func, $1, [ jm_tr_func=HAVE_DECL_`echo $jm_func | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ` AC_DEFINE_UNQUOTED($jm_tr_func) $3], $4)dnl done ])