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Thomas Vander Stichele
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202
m4/as-arts.m4
202
m4/as-arts.m4
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# This is an example arts .m4 adapted and scrubbed by thomasvs
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# Configure paths for ARTS
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# Philip Stadermann 2001-06-21
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# stolen from esd.m4
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dnl AM_PATH_ARTS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for ARTS, and define ARTS_CXXFLAGS and ARTS_LIBS
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dnl
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AC_DEFUN([AM_PATH_ARTS],
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[dnl
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dnl Get the cflags and libraries from the artsc-config script
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dnl
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AC_ARG_WITH(arts-prefix,
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AC_HELP_STRING([--with-arts-prefix=PFX],
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[prefix where ARTS is installed (optional)]),
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arts_prefix="$withval", arts_prefix="")
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AC_ARG_WITH(arts-exec-prefix,
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AC_HELP_STRING([--with-arts-exec-prefix=PFX],
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[exec prefix where ARTS is installed (optional)]),
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arts_exec_prefix="$withval", arts_exec_prefix="")
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AC_ARG_ENABLE(artstest,
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AC_HELP_STRING([--disable-artstest],
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[do not try to compile and run a test ARTS program]),
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, enable_artstest=yes)
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if test x$arts_exec_prefix != x ; then
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arts_args="$arts_args --exec-prefix=$arts_exec_prefix"
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if test x${ARTS_CONFIG+set} != xset ; then
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ARTS_CONFIG=$arts_exec_prefix/bin/artsc-config
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fi
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fi
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if test x$arts_prefix != x ; then
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arts_args="$arts_args --prefix=$arts_prefix"
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if test x${ARTS_CONFIG+set} != xset ; then
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ARTS_CONFIG=$arts_prefix/bin/artsc-config
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fi
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fi
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AC_PATH_PROG(ARTS_CONFIG, artsc-config, no)
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min_arts_version=ifelse([$1], ,0.9.5,$1)
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AC_MSG_CHECKING(for ARTS artsc - version >= $min_arts_version)
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no_arts=""
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if test "$ARTS_CONFIG" = "no" ; then
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no_arts=yes
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else
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# FIXME : thomas added this sed to get arts path instead of artsc
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ARTS_CXXFLAGS=`$ARTS_CONFIG $artsconf_args --cflags | sed 's/artsc$/arts/'`
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ARTS_LIBS=`$ARTS_CONFIG $artsconf_args --libs | sed 's/artsc$/arts/'`
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arts_major_version=`$ARTS_CONFIG $arts_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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arts_minor_version=`$ARTS_CONFIG $arts_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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arts_micro_version=`$ARTS_CONFIG $arts_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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if test "x$enable_artstest" = "xyes" ; then
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dnl ac_save_CXXFLAGS="$CXXFLAGS"
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dnl ac_save_LIBS="$LIBS"
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dnl CFLAGS="$CFLAGS $ARTS_CXXFLAGS"
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dnl LIBS="$LIBS $ARTS_LIBS"
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dnl
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dnl Now check if the installed ARTS is sufficiently new. (Also sanity
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dnl checks the results of artsc-config to some extent)
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dnl
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dnl a*s: to successfully compile the C++ test app, we need to
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dnl first make sure we're going to compile it as C++ (with AC_LANG_PUSH),
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dnl then add the CFLAGS and CLIBS of arts which we just discovered to the
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dnl C++ compilation and linking flags.
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dnl We also need to clean up after the test; this means using AC_LANG_POP
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dnl and restoring the CPPFLAGS and LDFLAGS from the saved values we take
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dnl here.
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dnl ask nicely for C++ compilation
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AC_LANG_PUSH(C++)
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dnl save compilation and link flags and make our own
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ac_save_CPPFLAGS="$CPPFLAGS"
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ac_save_LDFLAGS="$LDFLAGS"
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AC_SUBST(CPPFLAGS,"$CPPFLAGS $ARTS_CXXFLAGS")
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AC_SUBST(LDFLAGS,"$LDFLAGS $ARTS_CLIBS")
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rm -f conf.artstest
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AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <artsflow.h>
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char*
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my_strdup (char *str)
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{
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char *new_str;
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if (str)
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{
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// thomas: the original test did not have the typecast
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new_str = (char *) malloc ((strlen (str) + 1) * sizeof(char));
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strcpy (new_str, str);
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}
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else
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new_str = NULL;
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return new_str;
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}
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int main ()
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{
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int major, minor, micro;
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char *tmp_version;
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system ("touch conf.artstest");
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/* HP/UX 9 (%@#!) writes to sscanf strings */
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tmp_version = my_strdup("$min_arts_version");
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if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
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printf("%s, bad version string\n", "$min_arts_version");
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exit(1);
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}
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if (($arts_major_version > major) ||
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(($arts_major_version == major) && ($arts_minor_version > minor)) ||
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(($arts_major_version == major) && ($arts_minor_version == minor) && ($arts_micro_version >= micro)))
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{
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return 0;
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}
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else
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{
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printf("\n*** 'artsc-config --version' returned %d.%d.%d, but the minimum version\n", $arts_major_version, $arts_minor_version, $arts_micro_version);
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printf("*** of ARTS required is %d.%d.%d. If artsc-config is correct, then it is\n", major, minor, micro);
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printf("*** best to upgrade to the required version.\n");
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printf("*** If artsc-config was wrong, set the environment variable ARTS_CONFIG\n");
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printf("*** to point to the correct copy of artsc-config, and remove the file\n");
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printf("*** config.cache before re-running configure\n");
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return 1;
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}
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}
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],, no_arts=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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dnl CFLAGS="$ac_save_CFLAGS"
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dnl LIBS="$ac_save_LIBS"
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dnl a*s this is were we clean up after the test
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AC_LANG_POP(C++)
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CXXFLAGS="$ac_save_CXXFLAGS"
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LDFLAGS="$ac_save_LDFLAGS"
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dnl a*s we are sure that these are right, so we make them active
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AC_SUBST(CXXFLAGS,"$CXXFLAGS")
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AC_SUBST(LDFLAGS,"$LDFLAGS")
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fi
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fi
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if test "x$no_arts" = x ; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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if test "$ARTS_CONFIG" = "no" ; then
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echo "*** The artsc-config script installed by ARTS could not be found"
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echo "*** If ARTS was installed in PREFIX, make sure PREFIX/bin is in"
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echo "*** your path, or set the ARTS_CONFIG environment variable to the"
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echo "*** full path to artsc-config."
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else
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if test -f conf.artstest ; then
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:
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else
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echo "*** Could not run ARTS test program, checking why..."
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CFLAGS="$CFLAGS $ARTS_CXXFLAGS"
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LIBS="$LIBS $ARTS_LIBS"
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AC_TRY_LINK([
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#include <stdio.h>
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#include <artsflow.h>
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], [ return 0; ],
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[ echo "*** The test program compiled, but did not run. This usually means"
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echo "*** that the run-time linker is not finding ARTS or finding the wrong"
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echo "*** version of ARTS. If it is not finding ARTS, you'll need to set your"
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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echo "*** to the installed location Also, make sure you have run ldconfig if that"
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echo "*** is required on your system"
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echo "***"
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echo "*** If you have an old version installed, it is best to remove it, although"
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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[ echo "*** The test program failed to compile or link. See the file config.log for the"
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echo "*** exact error that occured. This usually means ARTS was incorrectly installed"
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echo "*** or that you have moved ARTS since it was installed. In the latter case, you"
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echo "*** may want to edit the artsc-config script: $ARTS_CONFIG" ])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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fi
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ARTS_CXXFLAGS=""
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ARTS_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(ARTS_CXXFLAGS)
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AC_SUBST(ARTS_LIBS)
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rm -f conf.artstest
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])
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dnl release C++ question
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