49 lines
1.3 KiB
Text
49 lines
1.3 KiB
Text
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dnl Check for LIBWRAP compiler flags. On success, set nut_have_libwrap="yes"
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dnl and set LIBWRAP_CFLAGS and LIBWRAP_LDFLAGS. On failure, set
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dnl nut_have_libwrap="no". This macro can be run multiple times, but will
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dnl do the checking only once.
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AC_DEFUN([NUT_CHECK_LIBWRAP],
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[
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if test -z "${nut_have_libwrap_seen}"; then
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nut_have_libwrap_seen=yes
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dnl save LIBS
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LIBS_ORIG="${LIBS}"
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LIBS=""
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AC_CHECK_HEADERS(tcpd.h, [nut_have_libwrap=yes], [nut_have_libwrap=no], [AC_INCLUDES_DEFAULT])
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AC_SEARCH_LIBS(yp_get_default_domain, nsl, [], [nut_have_libwrap=no])
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dnl The line below doesn't work on Solaris 10.
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dnl AC_SEARCH_LIBS(request_init, wrap, [], [nut_have_libwrap=no])
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AC_MSG_CHECKING(for library containing request_init)
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <tcpd.h>
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int allow_severity = 0, deny_severity = 0;
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]], [[ request_init(0); ]])], [
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AC_MSG_RESULT(none required)
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], [
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LIBS="${LIBS} -lwrap"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <tcpd.h>
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int allow_severity = 0, deny_severity = 0;
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]], [[ request_init(0); ]])], [
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AC_MSG_RESULT(-lwrap)
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], [
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AC_MSG_RESULT(no)
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nut_have_libwrap=no
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])
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])
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if test "${nut_have_libwrap}" = "yes"; then
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AC_DEFINE(HAVE_WRAP, 1, [Define to enable libwrap support])
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LIBWRAP_CFLAGS=""
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LIBWRAP_LDFLAGS="${LIBS}"
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fi
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dnl restore original LIBS
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LIBS="${LIBS_ORIG}"
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fi
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])
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