dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)] dnl if the cache file is inconsistent with the current host, dnl target and build system types, execute CMD or print a default dnl error message. AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [ AC_REQUIRE([AC_CANONICAL_SYSTEM]) AC_MSG_CHECKING([config.cache system type]) if { test x"${ac_cv_host_system_type+set}" = x"set" && test x"$ac_cv_host_system_type" != x"$host"; } || { test x"${ac_cv_build_system_type+set}" = x"set" && test x"$ac_cv_build_system_type" != x"$build"; } || { test x"${ac_cv_target_system_type+set}" = x"set" && test x"$ac_cv_target_system_type" != x"$target"; }; then AC_MSG_RESULT([different]) ifelse($#, 1, [$1], [AC_MSG_ERROR(["you must remove config.cache and restart configure"])]) else AC_MSG_RESULT([same]) fi ac_cv_host_system_type="$host" ac_cv_build_system_type="$build" ac_cv_target_system_type="$target" ]) dnl based on Automake's maintainer mode AC_DEFUN(SAMBA_MAINTAINER_MODE,[ AC_ARG_ENABLE(maintainer-mode, [ --enable-maintainer-mode enable some make rules for maintainers], maint_mode=$enableval, maint_mode=no) if test x"$maint_mode" = x"yes"; then MAINT=; else MAINT='#'; fi AC_SUBST(MAINT) AC_PATH_PROG(AUTOCONF, autoconf, autoconf) AC_SUBST(AUTOCONF) AC_PATH_PROG(AUTOHEADER, autoheader, autoheader) AC_SUBST(AUTOHEADER) ]) dnl test whether dirent has a d_off member AC_DEFUN(AC_DIRENT_D_OFF, [AC_CACHE_CHECK([for d_off in dirent], ac_cv_dirent_d_off, [AC_TRY_COMPILE([ #include <unistd.h> #include <sys/types.h> #include <dirent.h>], [struct dirent d; d.d_off;], ac_cv_dirent_d_off=yes, ac_cv_dirent_d_off=no)]) if test $ac_cv_dirent_d_off = yes; then AC_DEFINE(HAVE_DIRENT_D_OFF) fi ]) dnl AC_PROG_CC_FLAG(flag) AC_DEFUN(AC_PROG_CC_FLAG, [AC_CACHE_CHECK(whether ${CC-cc} accepts -$1, ac_cv_prog_cc_$1, [echo 'void f(){}' > conftest.c if test -z "`${CC-cc} -$1 -c conftest.c 2>&1`"; then ac_cv_prog_cc_$1=yes else ac_cv_prog_cc_$1=no fi rm -f conftest* ])]) dnl check for a function in a library, but don't dnl keep adding the same library to the LIBS variable. dnl AC_LIBTESTFUNC(lib,func) AC_DEFUN(AC_LIBTESTFUNC, [case "$LIBS" in *-l$1*) AC_CHECK_FUNCS($2) ;; *) AC_CHECK_LIB($1, $2) AC_CHECK_FUNCS($2) ;; esac ])