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1# np_mysqlclient.m4
2dnl Copyright (C) 2007 Nagios Plugins Team
3dnl This file is free software; the Nagios Plugin Team
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl Test for mysql availability using mysql_config
8dnl Uses --with-mysql= yes(autodetection - default) | no | path
9dnl Sets 4 variables:
10dnl with_mysql = path/to/mysql_config (if found and can compile mysqlclient) or "no"
11dnl np_mysql_include = flags for include, from mysql_config --include (will be guessed as $with_mysql/include if --include not found)
12dnl np_mysql_libs = flags for libs, from mysql_config --libs
13dnl np_mysql_cflags = flags for cflags, from mysql_config --cflags
14dnl Also sets in config.h:
15dnl HAVE_MYSQLCLIENT
16dnl Copile your code with:
17dnl $(CC) $(np_mysql_include) code.c $(np_mysql_libs)
18
19AC_DEFUN([np_mysqlclient],
20[
21 AC_ARG_WITH(mysql,
22 ACX_HELP_STRING([--with-mysql=DIR],
23 [Locates mysql libraries. Expects DIR/bin/mysql_config. Default to search for mysql_config in PATH]),
24 with_mysql=$withval,
25 with_mysql=yes)
26
27 if test "x$with_mysql" != "xno" ; then
28 if test "x$with_mysql" = "xyes" ; then
29 AC_PATH_PROG(np_mysql_config, mysql_config)
30 else
31 if test -x $with_mysql/bin/mysql_config ; then
32 np_mysql_config="$with_mysql/bin/mysql_config"
33 fi
34 fi
35 if test -z "$np_mysql_config"; then
36 with_mysql="no"
37 else
38 np_mysql_include="`$np_mysql_config --include`"
39 # Mysql 3 does not support --include. --cflags should be sufficient
40 if test $? -ne 0; then
41 np_mysql_include="-I$with_mysql/include" # Guessed location
42 fi
43 np_mysql_libs="`$np_mysql_config --libs`"
44 np_mysql_cflags="`$np_mysql_config --cflags`"
45
46 dnl Test a mysql_init. Some systems have mysql_config, but no headers
47 _savedcppflags="$CPPFLAGS"
48 CPPFLAGS="$CPPFLAGS $np_mysql_include"
49
50 dnl Putting $np_mysql_libs as other libraries ensures that all mysql dependencies are linked in
51 dnl Although -lmysqlclient is duplicated, it is not a problem
52 AC_CHECK_LIB([mysqlclient], [mysql_init], [
53 with_mysql=$np_mysql_config
54 AC_DEFINE(HAVE_MYSQLCLIENT, 1, [Defined if mysqlclient is found and can compile])
55 ], [with_mysql=no], [$np_mysql_libs])
56 CPPFLAGS=$_savedcppflags
57
58 fi
59 fi
60])
61
62dnl Will take $1, find last occurrance of -LDIR and add DIR to LD_RUN_PATH
63AC_DEFUN([np_add_to_runpath],
64[
65 dnl Need [[ ]] so autoconf gives us just one set
66 np_libdir=`echo "$1" | sed -e 's/.*-L\([[^ ]]*\) .*/\1/'`
67 if test "x$np_libdir" != x ; then
68 LD_RUN_PATH="${np_libdir}${LD_RUN_PATH:+:}${LD_RUN_PATH}"
69 fi
70])
71