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
|
AC_PREREQ([2.71])
AC_INIT([libpwm],[0.0.0],[linux-pwm@vger.kernel.org])
AC_CONFIG_SRCDIR([sysfs.c])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_USE_SYSTEM_EXTENSIONS
# support LFS
AC_SYS_LARGEFILE
AM_MAINTAINER_MODE
AM_INIT_AUTOMAKE([foreign])
LT_CURRENT=0
LT_REVISION=0
LT_AGE=0
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
#
# Checks for programs.
#
AC_PROG_CC
LT_INIT
AC_ARG_ENABLE([pwmcdev],
[AS_HELP_STRING([--enable-pwmcdev], [Build code to use /dev/pwmchipX @<:@default=check@:>@])],
[],
[: m4_divert_text([DEFAULTS], [enable_pwmcdev=check])])
available_pwmcdev=yes
AC_CHECK_HEADER([linux/pwm.h], [
AC_CHECK_DECL([PWM_IOCTL_GET_NUM_PWMS],, [available_pwmcdev=no], [#include <linux/pwm.h>])
], [available_pwmcdev=no])
AC_MSG_CHECKING([Current state])
AC_MSG_RESULT([$available_pwmcdev $enable_pwmcdev])
AS_IF([test "x$enable_pwmcdev" = "xcheck"], [enable_pwmcdev=$available_pwmcdev])
AC_MSG_CHECKING([Current state])
AC_MSG_RESULT([$available_pwmcdev $enable_pwmcdev])
AC_MSG_CHECKING([if character device support is to be enabled])
AS_IF(test "x$enable_pwmcdev" = "xyes", [
AC_DEFINE([HAVE_PWMCDEV], [1], [Define to 1 if the character device backend should be built])
AC_MSG_RESULT([yes])
], [AC_MSG_RESULT([no])])
AM_CONDITIONAL([HAVE_PWMCDEV], [test x$enable_pwmcdev = xyes])
AC_CONFIG_FILES([
Makefile
libpwm.pc
])
AC_OUTPUT
|
