1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
dnl
dnl Copyright 2007,2008 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 qwt.
dnl
dnl GR_QWT([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl
dnl Test for library qwt, set QWT_CFLAGS and QWT_LIBS if found. Assumes
dnl QT_CFLAGS and QT_LIBS have already been correctly set.
dnl
AC_DEFUN([GR_QWT],
[
dnl QWT Library Version
QWT_LIBRARY1=-lqwt-qt4
QWT_LIBRARY2=-lqwt
dnl Save the environment
AC_LANG_PUSH(C++)
qwt_save_CPPFLAGS="$CPPFLAGS"
qwt_save_LIBS="$LIBS"
libqwt_ok=yes
dnl QWT Info
dnl Allow user to specify where QWT files are
AC_ARG_WITH([qwt-libdir],
[ --with-qwt-libdir=path Prefix where QWT library is installed (optional)],
[qwt_libdir="$withval"], [qwt_libdir=""])
AC_ARG_WITH([qwt-incdir],
[ --with-qwt-incdir=path Prefix where QWT include files are (optional)],
[qwt_incdir="$withval"], [qwt_incdir=""])
AC_ARG_WITH([qwt-lib],
[ --with-qwt-lib=library QWT library name (optional)],
[qwt_lib="$withval"], [qwt_lib=""])
dnl Check for presence of header files
dnl if not user-specified, try the first include dir (Ubuntu), then
dnl try the second include dir (Fedora)
CPPFLAGS="$CPPFLAGS $QTCORE_CFLAGS"
dnl if not set by user
if test "$qwt_incdir" = "" ; then
dnl check qwt-qt4/qwt.h (as in Ubuntu)
AC_CHECK_HEADER(
[qwt-qt4/qwt_double_interval.h],
[qwt_qt4_qwt_h=yes],
[qwt_qt4_qwt_h=no]
)
dnl If it was found, set the flags and move on
if test "$qwt_qt4_qwt_h" = "yes" ; then
QWT_CFLAGS="$QWT_CFLAGS -I/usr/include/qwt-qt4"
else
dnl check qwt/qwt.h (as in Fedora)
AC_CHECK_HEADER(
[qwt/qwt_double_interval.h],
[qwt_qwt_h=yes],
[qwt_qwt_h=no]
)
dnl if it was found, set the flags and move on
if test "$qwt_qwt_h" = "yes" ; then
QWT_CFLAGS="$QWT_CFLAGS -I/usr/include/qwt"
else
dnl otherwise, qwt.h wasn't found, so set the flag to no
libqwt_ok=no
fi
fi
else
dnl Using the user-specified include directory
QWT_CFLAGS="$QWT_CFLAGS -I$qwt_incdir"
AC_CHECK_HEADER(
[$qwt_incdir/qwt.h],
[],
[libqwt_ok=no])
fi
dnl Don't bother going on if we can't find the headers
if test "$libqwt_ok" = "yes" ; then
dnl Check for QWT library (qwt or qwt-qt4)
dnl User-defined QWT library path
if test "$qwt_libdir" != "" ; then
QWT_LIBS="-L$qwt_libdir $QWT_LIBS"
fi
dnl temporarily set these so the AC_CHECK_LIB works
CPPFLAGS="$CPPFLAGS $QWT_CFLAGS"
LIBS="$qwt_save_LIBS $QT_LIBS $QWT_LIBS -lqwt"
dnl If the user specified a qwt library name, use it here
if test "$qwt_lib" != "" ; then
AC_CHECK_LIB([$qwt_lib], [main], [libqwt_ok=yes], [libqwt_ok=no])
else
dnl Check for 'main' in libqwt (Fedora)
AC_CHECK_LIB([qwt], [main], [libqwt_ok=yes], [libqwt_ok=no])
dnl If library found properly, set the flag and move on
if test "$libqwt_ok" = "yes" ; then
QWT_LIBS="$QWT_LIBS -lqwt"
else
dnl Otherwise, check for 'main' in libqwt-qt4 (Ubuntu)
LIBS="$qwt_save_LIBS $QT_LIBS $QWT_LIBS -lqwt-qt4"
AC_CHECK_LIB([qwt-qt4], [main], [libqwt_ok=yes], [libqwt_ok=no])
if test "$libqwt_ok" = "yes" ; then
QWT_LIBS="$QWT_LIBS -lqwt-qt4"
else
AC_MSG_RESULT([Could not link to libqwt.so])
fi
fi
fi
else
AC_MSG_RESULT([Could not find qwt headers])
fi
dnl Restore saved variables
LIBS="$qwt_save_LIBS"
CPPFLAGS="$qwt_save_CPPFLAGS"
AC_LANG_POP
dnl Execute user actions
if test "x$libqwt_ok" = "xyes" ; then
ifelse([$1], , :, [$1])
else
QWT_CFLAGS=""
QWT_LIBDIRS=""
ifelse([$2], , :, [$2])
fi
dnl Export our variables
AC_SUBST(QWT_CFLAGS)
AC_SUBST(QWT_LIBS)
])
|
