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dnl
dnl Copyright 2008 Free Software Foundation, Inc.
dnl
dnl This file is part of GNU Radio
dnl
dnl GNU Radio is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3, or (at your option)
dnl any later version.
dnl
dnl GNU Radio is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with GNU Radio; see the file COPYING. If not, write to
dnl the Free Software Foundation, Inc., 51 Franklin Street,
dnl Boston, MA 02110-1301, USA.
dnl
dnl Configure paths for library qwtplot3d.
dnl
dnl GR_QWTPLOT3D([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl
dnl Test for library qwtplot3d, set QWTPLOT3D_CFLAGS and QWTPLOT3D_LIBS if found. Assumes
dnl QT_CFLAGS and QT_LIBS have already been correctly set.
dnl
AC_DEFUN([GR_QWTPLOT3D],
[
dnl QWTPLOT3D Library Version
dnl Save the environment
AC_LANG_PUSH(C++)
qwtplot3d_save_CPPFLAGS="$CPPFLAGS"
qwtplot3d_save_LIBS="$LIBS"
libqwtplot3d_ok=yes
dnl Allow user to specify where QWTPLOT3D files are
AC_ARG_WITH([qwtplot3d-libdir],
[ --with-qwtplot3d-libdir=path Prefix where QWTPLOT3D library is installed (optional)],
[qwtplot3d_libdir="$withval"], [qwtplot3d_libdir=""])
AC_ARG_WITH([qwtplot3d-incdir],
[ --with-qwtplot3d-incdir=path Prefix where QWTPLOT3D include files are (optional)],
[qwtplot3d_incdir="$withval"], [qwtplot3d_incdir=""])
AC_ARG_WITH([qwtplot3d-lib],
[ --with-qwtplot3d-lib=library QWT Plot3D library name (optional)],
[qwtplot3d_lib="$withval"], [qwtplot3d_lib=""])
dnl Check for presence of header files
dnl if not user-specified, try the first include dir (Ubuntu), then
dnl try the second include dir (Fedora)
CPPFLAGS="$CPPFLAGS $QTCORE_CFLAGS $QTGUI_CFLAGS $QWT_CFLAGS"
dnl if not set by user
if test "$qwtplot3d_incdir" = "" ; then
dnl check qwtplot3d/qwtplot3d.h (as in Fedora)
AC_CHECK_HEADER(
[qwtplot3d/qwt3d_plot.h],
[qwtplot3d_qwtplot3d_h=yes],
[qwtplot3d_qwtplot3d_h=no]
)
dnl If it was found, set the flags and move on
if test "$qwtplot3d_qwtplot3d_h" = "yes" ; then
QWTPLOT3D_CFLAGS="$QWTPLOT3D_CFLAGS -I/usr/include/qwtplot3d"
else
dnl otherwise, check qwtplot3d-qt4/qwtplot3d.h (as in Ubuntu)
AC_CHECK_HEADER(
[qwtplot3d-qt4/qwt3d_plot.h],
[qwtplot3d_qt4_qwtplot3d_h=yes],
[qwtplot3d_qt4_qwtplot3d_h=no]
)
dnl if it was found, set the flags and move on
if test "$qwtplot3d_qt4_qwtplot3d_h" = "yes" ; then
QWTPLOT3D_CFLAGS="$QWTPLOT3D_CFLAGS -I/usr/include/qwtplot3d-qt4"
else
dnl otherwise, qwtplot3d.h wasn't found, so set the flag to no
libqwtplot3d_ok=no
fi
fi
else
dnl Using the user-specified include directory
QWTPLOT3D_CFLAGS="$QWTPLOT3D_CFLAGS -I$qwtplot3d_incdir"
AC_CHECK_HEADER(
[$qwtplot3d_incdir/qwt3d_plot.h],
[],
[libqwtplot3d_ok=no])
fi
dnl Don't bother going on if we can't find the headers
if test "$libqwtplot3d_ok" = "yes" ; then
dnl Check for QWTPLOT3D library (qwtplot3d or qwtplot3d-qt4)
dnl User-defined QWTPLOT3D library path
if test "$qwtplot3d_libdir" != "" ; then
QWTPLOT3D_LIBS="-L$qwtplot3d_libdir $QWTPLOT3D_LIBS"
fi
dnl temporarily set these so the AC_CHECK_LIB works
CPPFLAGS="$CPPFLAGS $QWTPLOT3D_CFLAGS"
LIBS="$qwtplot3d_save_LIBS $QT_LIBS $QWTPLOT3D_LIBS -lqwtplot3d-qt4"
dnl If the user specified a qwtplot3d library name, use it here
if test "$qwtplot3d_lib" != "" ; then
AC_CHECK_LIB([$qwtplot3d_lib], [main], [libqwtplot3d_ok=yes], [libqwtplot3d_ok=no])
else
dnl Check for 'main' in libqwtplot3d-qt4
AC_CHECK_LIB([qwtplot3d-qt4], [main], [libqwtplot3d_ok=yes], [libqwtplot3d_ok=no])
dnl If library found properly, set the flag and move on
if test "$libqwtplot3d_ok" = "yes" ; then
QWTPLOT3D_LIBS="$QWTPLOT3D_LIBS -lqwtplot3d-qt4"
else
dnl Otherwise, check for 'main' in libqwtplot3d
LIBS="$qwtplot3d_save_LIBS $QT_LIBS $QWTPLOT3D_LIBS -lqwtplot3d"
AC_CHECK_LIB([qwtplot3d], [main], [libqwtplot3d_ok=yes], [libqwtplot3d_ok=no])
if test "$libqwtplot3d_ok" = "yes" ; then
QWTPLOT3D_LIBS="$QWTPLOT3D_LIBS -lqwtplot3d"
else
AC_MSG_RESULT([Could not link to libqwtplot3d.so])
fi
fi
fi
else
AC_MSG_RESULT([Could not find qwtplot3d headers])
fi
dnl Restore saved variables
LIBS="$qwtplot3d_save_LIBS"
CPPFLAGS="$qwtplot3d_save_CPPFLAGS"
AC_LANG_POP
dnl Execute user actions
if test "x$libqwtplot3d_ok" = "xyes" ; then
ifelse([$1], , :, [$1])
else
QWTPLOT3D_CFLAGS=""
QWTPLOT3D_LIBDIRS=""
ifelse([$2], , :, [$2])
fi
dnl Export our variables
AC_SUBST(QWTPLOT3D_CFLAGS)
AC_SUBST(QWTPLOT3D_LIBS)
])
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