DEVEL15-linux-new-aop-20081108
[openafs.git] / src / cf / linux-test3.m4
1 AC_DEFUN([LINUX_KERNEL_LINUX_SYSCALL_H],[
2   AC_MSG_CHECKING(for linux/syscall.h in kernel)
3   if test -f "${LINUX_KERNEL_PATH}/include/linux/syscall.h"; then
4     ac_linux_syscall=yes
5     AC_MSG_RESULT($ac_linux_syscall)
6   else
7     ac_linux_syscall=no
8     AC_MSG_RESULT($ac_linux_syscall)
9   fi
10 ])
11
12 AC_DEFUN([LINUX_NEED_RHCONFIG],[
13 RHCONFIG_SP=""
14 RHCONFIG_MP=""
15 if test "x$enable_redhat_buildsys" = "xyes"; then
16   AC_MSG_WARN(Configured to build from a Red Hat SPEC file)
17 else
18   AC_MSG_CHECKING(for redhat kernel configuration)
19   if test -f "${LINUX_KERNEL_PATH}/include/linux/rhconfig.h"; then
20     ac_linux_rhconfig=yes
21     RHCONFIG_SP="-D__BOOT_KERNEL_UP=1 -D__BOOT_KERNEL_SMP=0"
22     RHCONFIG_MP="-D__BOOT_KERNEL_UP=0 -D__BOOT_KERNEL_SMP=1"
23     AC_MSG_RESULT($ac_linux_rhconfig)
24     if test ! -f "/boot/kernel.h"; then
25         AC_MSG_WARN([/boot/kernel.h does not exist. build may fail])
26     fi
27   else
28     ac_linux_rhconfig=no
29     AC_MSG_RESULT($ac_linux_rhconfig)
30   fi
31 fi
32 AC_SUBST(RHCONFIG_SP)
33 AC_SUBST(RHCONFIG_MP)
34 ])
35
36
37 dnl This depends on LINUX_CONFIG_H_EXISTS running first!
38
39 AC_DEFUN([LINUX_WHICH_MODULES],[
40 if test "x$enable_redhat_buildsys" = "xyes"; then
41   MPS=Default
42 else
43   save_CPPFLAGS="$CPPFLAGS"
44   CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $RHCONFIG_SP $CPPFLAGS"
45   AC_MSG_CHECKING(which kernel modules to build)
46   if test "x$ac_cv_linux_config_h_exists" = "xyes"; then
47     CPPFLAGS="-DCONFIG_H_EXISTS $CPPFLAGS"
48   fi
49   if test "x$ac_linux_rhconfig" = "xyes"; then
50       MPS="MP SP"
51   else
52   AC_CACHE_VAL(ac_cv_linux_config_smp, [
53   AC_TRY_KBUILD(
54 [#ifdef CONFIG_H_EXISTS
55 #include <linux/config.h>
56 #endif
57 ],
58 [#ifndef CONFIG_SMP
59 lose;
60 #endif
61 ],
62   ac_cv_linux_config_smp=yes,
63   ac_cv_linux_config_smp=no)])
64   dnl AC_MSG_RESULT($ac_cv_linux_config_smp)
65       if test "x$ac_cv_linux_config_smp" = "xyes"; then
66           MPS=MP
67       else
68           MPS=SP
69       fi
70   fi
71   CPPFLAGS=$save_CPPFLAGS
72   AC_MSG_RESULT($MPS)
73 fi
74 AC_SUBST(MPS)
75 ])
76
77 AC_DEFUN([LINUX_KERNEL_SELINUX],[
78 AC_MSG_CHECKING(for SELinux kernel)
79 save_CPPFLAGS="$CPPFLAGS"
80 CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
81 AC_CACHE_VAL(ac_cv_linux_kernel_is_selinux,
82 [
83 AC_TRY_COMPILE(
84   [#include <linux/autoconf.h>],
85   [#ifndef CONFIG_SECURITY_SELINUX
86    #error not SELINUX
87    #endif],
88   ac_cv_linux_kernel_is_selinux=yes,
89   ac_cv_linux_kernel_is_selinux=no)])
90 AC_MSG_RESULT($ac_cv_linux_kernel_is_selinux)
91 CPPFLAGS="$save_CPPFLAGS"])
92
93 AC_DEFUN([LINUX_KERNEL_LINUX_SEQ_FILE_H],[
94   AC_MSG_CHECKING(for linux/seq_file.h in kernel)
95   if test -f "${LINUX_KERNEL_PATH}/include/linux/seq_file.h"; then
96     ac_linux_seq_file=yes
97     AC_MSG_RESULT($ac_linux_seq_file)
98   else
99     ac_linux_seq_file=no
100     AC_MSG_RESULT($ac_linux_seq_file)
101   fi
102 ])