test-package.m4 revision 103423 
1dnl $Id: test-package.m4,v 1.12 2002/09/10 15:23:38 joda Exp $
2dnl
3dnl rk_TEST_PACKAGE(package,headers,libraries,extra libs,
4dnl			default locations, conditional, config-program)
5
6AC_DEFUN(rk_TEST_PACKAGE,[
7AC_ARG_WITH($1,
8	AC_HELP_STRING([--with-$1=dir],[use $1 in dir]))
9AC_ARG_WITH($1-lib,
10	AC_HELP_STRING([--with-$1-lib=dir],[use $1 libraries in dir]),
11[if test "$withval" = "yes" -o "$withval" = "no"; then
12  AC_MSG_ERROR([No argument for --with-$1-lib])
13elif test "X$with_$1" = "X"; then
14  with_$1=yes
15fi])
16AC_ARG_WITH($1-include,
17	AC_HELP_STRING([--with-$1-include=dir],[use $1 headers in dir]),
18[if test "$withval" = "yes" -o "$withval" = "no"; then
19  AC_MSG_ERROR([No argument for --with-$1-include])
20elif test "X$with_$1" = "X"; then
21  with_$1=yes
22fi])
23AC_ARG_WITH($1-config,
24	AC_HELP_STRING([--with-$1-config=path],[config program for $1]))
25
26m4_ifval([$6],
27	m4_define([rk_pkgname], $6),
28	m4_define([rk_pkgname], AS_TR_CPP($1)))
29
30AC_MSG_CHECKING(for $1)
31
32case "$with_$1" in
33yes|"") d='$5' ;;
34no)	d= ;;
35*)	d="$with_$1" ;;
36esac
37
38header_dirs=
39lib_dirs=
40for i in $d; do
41	if test "$with_$1_include" = ""; then
42		if test -d "$i/include/$1"; then
43			header_dirs="$header_dirs $i/include/$1"
44		fi
45		if test -d "$i/include"; then
46			header_dirs="$header_dirs $i/include"
47		fi
48	fi
49	if test "$with_$1_lib" = ""; then
50		if test -d "$i/lib$abilibdirext"; then
51			lib_dirs="$lib_dirs $i/lib$abilibdirext"
52		fi
53	fi
54done
55
56if test "$with_$1_include"; then
57	header_dirs="$with_$1_include $header_dirs"
58fi
59if test "$with_$1_lib"; then
60	lib_dirs="$with_$1_lib $lib_dirs"
61fi
62
63if test "$with_$1_config" = ""; then
64	with_$1_config='$7'
65fi
66
67$1_cflags=
68$1_libs=
69
70case "$with_$1_config" in
71yes|no|"")
72	;;
73*)
74	$1_cflags="`$with_$1_config --cflags 2>&1`"
75	$1_libs="`$with_$1_config --libs 2>&1`"
76	;;
77esac
78
79found=no
80if test "$with_$1" != no; then
81	save_CFLAGS="$CFLAGS"
82	save_LIBS="$LIBS"
83	if test "$[]$1_cflags" -a "$[]$1_libs"; then
84		CFLAGS="$[]$1_cflags $save_CFLAGS"
85		LIBS="$[]$1_libs $save_LIBS"
86		AC_TRY_LINK([$2],,[
87			INCLUDE_$1="$[]$1_cflags"
88			LIB_$1="$[]$1_libs"
89			AC_MSG_RESULT([from $with_$1_config])
90			found=yes])
91	fi
92	if test "$found" = no; then
93		ires= lres=
94		for i in $header_dirs; do
95			CFLAGS="-I$i $save_CFLAGS"
96			AC_TRY_COMPILE([$2],,ires=$i;break)
97		done
98		for i in $lib_dirs; do
99			LIBS="-L$i $3 $4 $save_LIBS"
100			AC_TRY_LINK([$2],,lres=$i;break)
101		done
102		if test "$ires" -a "$lres" -a "$with_$1" != "no"; then
103			INCLUDE_$1="-I$ires"
104			LIB_$1="-L$lres $3 $4"
105			found=yes
106			AC_MSG_RESULT([headers $ires, libraries $lres])
107		fi
108	fi
109	CFLAGS="$save_CFLAGS"
110	LIBS="$save_LIBS"
111fi
112
113if test "$found" = yes; then
114	AC_DEFINE_UNQUOTED(rk_pkgname, 1, [Define if you have the $1 package.])
115	with_$1=yes
116else
117	with_$1=no
118	INCLUDE_$1=
119	LIB_$1=
120	AC_MSG_RESULT(no)
121fi
122
123AC_SUBST(INCLUDE_$1)
124AC_SUBST(LIB_$1)
125])
126