summaryrefslogtreecommitdiffstats
path: root/configure.ac
blob: a1b051c0f25fe453d89ce4bb9de4c02070ec2f68 (plain)
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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
AC_INIT

AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(spl, 0.2.2)
AC_CONFIG_HEADERS([config.h])

AC_PROG_INSTALL
AC_PROG_CC
AC_PROG_LIBTOOL

kernelsrc=
kernelbuild=

AC_DEFUN([SPL_AC_KERNEL], [
	ver=`uname -r`

	AC_ARG_WITH([linux],
		AS_HELP_STRING([--with-linux=PATH],
		[Path to kernel source]),
		[kernelsrc="$withval"; kernelbuild="$withval"])

	AC_ARG_WITH([linux-build],
		AS_HELP_STRING([--with-linux-obj=PATH],
		[Path to kernel build objects]),
		[kernelbuild="$withval"])

	AC_MSG_CHECKING([kernel source directory])
	if test -z "$kernelsrc"; then
		kernelbuild=
		sourcelink=/lib/modules/${ver}/source
		buildlink=/lib/modules/${ver}/build

		if test -e $sourcelink; then
			kernelsrc=`(cd $sourcelink; /bin/pwd)`
		fi
		if test -e $buildlink; then
			kernelbuild=`(cd $buildlink; /bin/pwd)`
		fi
		if test -z "$kernelsrc"; then
			kernelsrc=$kernelbuild
		fi
		if test -z "$kernelsrc" -o -z "$kernelbuild"; then
			AC_MSG_RESULT([Not found])
			AC_MSG_ERROR([
			*** Please specify the location of the kernel source
			*** with the '--with-kernel=PATH' option])
		fi
	fi

	AC_MSG_RESULT([$kernelsrc])
	AC_MSG_CHECKING([kernel build directory])
	AC_MSG_RESULT([$kernelbuild])

	AC_MSG_CHECKING([kernel source version])
	if test -r $kernelbuild/include/linux/version.h && 
		fgrep -q UTS_RELEASE $kernelbuild/include/linux/version.h; then

		kernsrcver=`(echo "#include <linux/version.h>"; 
		             echo "kernsrcver=UTS_RELEASE") | 
	        	     cpp -I $kernelbuild/include |
		             grep "^kernsrcver=" | cut -d \" -f 2`

	elif test -r $kernelbuild/include/linux/utsrelease.h && 
		fgrep -q UTS_RELEASE $kernelbuild/include/linux/utsrelease.h; then

		kernsrcver=`(echo "#include <linux/utsrelease.h>"; 
		             echo "kernsrcver=UTS_RELEASE") | 
	        	     cpp -I $kernelbuild/include |
		             grep "^kernsrcver=" | cut -d \" -f 2`
	fi

	if test -z "$kernsrcver"; then
		AC_MSG_RESULT([Not found])
		AC_MSG_ERROR([
		*** Cannot determine the version of the linux kernel source.
		*** Please prepare the kernel before running this script])
	fi

	AC_MSG_RESULT([$kernsrcver])
	kmoduledir=${INSTALL_MOD_PATH}/lib/modules/$kernsrcver
	AC_SUBST(kernelsrc)
	AC_SUBST(kmoduledir)
])

AC_DEFUN([SPL_AC_DEBUG], [
	AC_MSG_CHECKING([whether debugging is enabled])
	AC_ARG_ENABLE( [debug],
		AS_HELP_STRING([--enable-debug],
		[Enable generic debug support (default off)]),
		[ case "$enableval" in
			yes) spl_ac_debug=yes ;;
			no) spl_ac_debug=no ;;
			*) AC_MSG_RESULT([Error!])
			AC_MSG_ERROR([Bad value "$enableval" for --enable-debug]) ;;
		esac ]
	) 
	if test "$spl_ac_debug" = yes; then
		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG"
	else
		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG"
		AC_DEFINE([NDEBUG], [1],
		[Define to 1 to disable debug tracing])
	fi
	AC_MSG_RESULT([${spl_ac_debug=no}])
])

AC_DEFUN([SPL_AC_DEBUG_KMEM], [
	AC_MSG_CHECKING([whether kmem debugging is enabled])
	AC_ARG_ENABLE( [debug-kmem],
		AS_HELP_STRING([--enable-debug-kmem],
		[Enable kmem debug support (default off)]),
		[ case "$enableval" in
			yes) spl_ac_debug=yes ;;
			no) spl_ac_debug=no ;;
			*) AC_MSG_RESULT([Error!])
			AC_MSG_ERROR([Bad value "$enableval" for --enable-debug-kmem]) ;;
		esac ]
	) 
	if test "$spl_ac_debug" = yes; then
		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM"
		AC_DEFINE([DEBUG_KMEM], [1],
		[Define to 1 to enable kmem debugging])
	fi
	AC_MSG_RESULT([${spl_ac_debug=no}])
])

AC_DEFUN([SPL_AC_DEBUG_MUTEX], [
	AC_MSG_CHECKING([whether mutex debugging is enabled])
	AC_ARG_ENABLE( [debug-mutex],
		AS_HELP_STRING([--enable-debug-mutex],
		[Enable mutex debug support (default off)]),
		[ case "$enableval" in
			yes) spl_ac_debug=yes ;;
			no) spl_ac_debug=no ;;
			*) AC_MSG_RESULT([Error!])
			AC_MSG_ERROR([Bad value "$enableval" for --enable-debug-mutex]) ;;
		esac ]
	) 
	if test "$spl_ac_debug" = yes; then
		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_MUTEX"
		AC_DEFINE([DEBUG_MUTEX], [1],
		[Define to 1 to enable mutex debugging])
	fi
	AC_MSG_RESULT([${spl_ac_debug=no}])
])

AC_DEFUN([SPL_AC_DEBUG_KSTAT], [
	AC_MSG_CHECKING([whether kstat debugging is enabled])
	AC_ARG_ENABLE( [debug-kstat],
		AS_HELP_STRING([--enable-debug-kstat],
		[Enable kstat debug support (default off)]),
		[ case "$enableval" in
			yes) spl_ac_debug=yes ;;
			no) spl_ac_debug=no ;;
			*) AC_MSG_RESULT([Error!])
			AC_MSG_ERROR([Bad value "$enableval" for --enable-debug-kstat]) ;;
		esac ]
	) 
	if test "$spl_ac_debug" = yes; then
		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KSTAT"
		AC_DEFINE([DEBUG_KSTAT], [1],
		[Define to 1 to enable kstat debugging])
	fi
	AC_MSG_RESULT([${spl_ac_debug=no}])
])

AC_DEFUN([SPL_AC_DEBUG_CALLB], [
	AC_MSG_CHECKING([whether callb debugging is enabled])
	AC_ARG_ENABLE( [debug-callb],
		AS_HELP_STRING([--enable-debug-callb],
		[Enable callb debug support (default off)]),
		[ case "$enableval" in
			yes) spl_ac_debug=yes ;;
			no) spl_ac_debug=no ;;
			*) AC_MSG_RESULT([Error!])
			AC_MSG_ERROR([Bad value "$enableval" for --enable-debug-callb]) ;;
		esac ]
	) 
	if test "$spl_ac_debug" = yes; then
		KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_CALLB"
		AC_DEFINE([DEBUG_CALLB], [1],
		[Define to 1 to enable callb debugging])
	fi
	AC_MSG_RESULT([${spl_ac_debug=no}])
])

SPL_AC_KERNEL
SPL_AC_DEBUG
SPL_AC_DEBUG_KMEM
SPL_AC_DEBUG_MUTEX
SPL_AC_DEBUG_KSTAT
SPL_AC_DEBUG_CALLB

TOPDIR=`/bin/pwd`

# Add "V=1" to KERNELMAKE_PARAMS to enable verbose module build
KERNELMAKE_PARAMS=
KERNELCPPFLAGS="${KERNELCPPFLAGS} -I$TOPDIR -I$TOPDIR/include"

if test "$kernelbuild" != "$kernelsrc"; then
	KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$kernelbuild"
fi

AC_SUBST(KERNELMAKE_PARAMS)
AC_SUBST(KERNELCPPFLAGS)
AC_SUBST(KERNELCFLAGS)

AC_CONFIG_FILES([ Makefile
                  lib/Makefile
                  cmd/Makefile
                  modules/Makefile
                  modules/spl/Makefile
                  modules/splat/Makefile
                  include/Makefile
                  include/sys/Makefile
                  scripts/Makefile
                  scripts/spl.spec
               ])

AC_OUTPUT