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108 lines
4.5 KiB
Text
108 lines
4.5 KiB
Text
# dnstap.m4
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# dt_DNSTAP(default_dnstap_socket_path, [action-if-true], [action-if-false])
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# --------------------------------------------------------------------------
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# Check for required dnstap libraries and add dnstap configure args.
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AC_DEFUN([dt_DNSTAP],
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[
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AC_ARG_ENABLE([dnstap],
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AS_HELP_STRING([--enable-dnstap],
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[Enable dnstap support (requires protobuf-c)]),
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[opt_dnstap=$enableval],
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[opt_dnstap=no])
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AC_ARG_WITH([dnstap-socket-path],
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AS_HELP_STRING([--with-dnstap-socket-path=pathname],
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[set default dnstap socket path]),
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[opt_dnstap_socket_path=$withval],
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[opt_dnstap_socket_path="$1"])
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if test "x$opt_dnstap" != "xno"; then
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AC_PATH_PROG([PROTOC], [protoc])
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# 'protoc-c' is deprecated. We use 'protoc' instead. If it can not be
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# found, try 'protoc-c'.
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if test -z "$PROTOC"; then
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AC_PATH_PROG([PROTOC_C], [protoc-c])
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else
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PROTOC_C="$PROTOC"
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fi
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if test -z "$PROTOC_C"; then
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AC_MSG_ERROR([[The protoc or protoc-c program was not found. It is needed for dnstap, use --disable-dnstap, or install protobuf-c to provide protoc or protoc-c]])
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fi
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# Check for protoc-gen-c plugin
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AC_PATH_PROG([PROTOC_GEN_C], [protoc-gen-c])
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if test -z "$PROTOC_GEN_C"; then
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AC_MSG_ERROR([[The protoc-gen-c plugin was not found. It is needed for dnstap, use --disable-dnstap, or install protobuf-c-compiler to provide protoc-gen-c]])
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fi
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# Test that protoc-gen-c actually works
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AC_MSG_CHECKING([if protoc-gen-c plugin works])
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cat > conftest.proto << EOF
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syntax = "proto2";
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message TestMessage {
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optional string test_field = 1;
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}
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EOF
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if $PROTOC_C --c_out=. conftest.proto >/dev/null 2>&1; then
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AC_MSG_RESULT([yes])
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rm -f conftest.proto conftest.pb-c.c conftest.pb-c.h
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else
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AC_MSG_RESULT([no])
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rm -f conftest.proto conftest.pb-c.c conftest.pb-c.h
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AC_MSG_ERROR([[The protoc-gen-c plugin is not working properly. Please ensure protobuf-c-compiler is properly installed]])
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fi
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AC_ARG_WITH([protobuf-c],
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AS_HELP_STRING([--with-protobuf-c=path], [Path where protobuf-c is installed, for dnstap]),
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[
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# workaround for protobuf-c includes at old dir before protobuf-c-1.0.0
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if test -f $withval/include/google/protobuf-c/protobuf-c.h; then
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CFLAGS="$CFLAGS -I$withval/include/google"
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else
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CFLAGS="$CFLAGS -I$withval/include"
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fi
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LDFLAGS="$LDFLAGS -L$withval/lib"
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],
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[
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if test -n "$PKG_CONFIG"; then
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PKG_CHECK_MODULES([PROTOBUFC], [libprotobuf-c],
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[
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CFLAGS="$CFLAGS $PROTOBUFC_CFLAGS"
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LIBS="$LIBS $PROTOBUFC_LIBS"
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],
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[
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# pkg-config failed; try falling back to known values
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# workaround for protobuf-c includes at old dir before protobuf-c-1.0.0
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if test -f /usr/include/google/protobuf-c/protobuf-c.h; then
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CFLAGS="$CFLAGS -I/usr/include/google"
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else
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if test -f /usr/local/include/google/protobuf-c/protobuf-c.h; then
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CFLAGS="$CFLAGS -I/usr/local/include/google"
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LDFLAGS="$LDFLAGS -L/usr/local/lib"
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else
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AC_MSG_ERROR([The protobuf-c package was not found with pkg-config. Please install protobuf-c!])
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fi
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fi
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]
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)
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else
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# workaround for protobuf-c includes at old dir before protobuf-c-1.0.0
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if test -f /usr/include/google/protobuf-c/protobuf-c.h; then
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CFLAGS="$CFLAGS -I/usr/include/google"
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else
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if test -f /usr/local/include/google/protobuf-c/protobuf-c.h; then
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CFLAGS="$CFLAGS -I/usr/local/include/google"
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LDFLAGS="$LDFLAGS -L/usr/local/lib"
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fi
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fi
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fi
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]
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)
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AC_SEARCH_LIBS([protobuf_c_message_pack], [protobuf-c], [],
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AC_MSG_ERROR([The protobuf-c library was not found. Please install the development libraries for protobuf-c!]))
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$2
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else
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$3
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fi
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])
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