acinclude-check-sizeof-long-20021115
[openafs.git] / acinclude.m4
index eef990a..c5bbdd1 100644 (file)
@@ -81,7 +81,7 @@ case $system in
         *-linux*)
                MKAFS_OSTYPE=LINUX
                if test "x$enable_redhat_buildsys" = "xyes"; then
-                AC_DEFINE(ENABLE_REDHAT_BUILDSYS)
+                AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
                fi
                if test "x$enable_kernel_module" = "xyes"; then
                 if test "x$with_linux_kernel_headers" != "x"; then
@@ -130,6 +130,12 @@ case $system in
                        OMIT_FRAME_POINTER=-fomit-frame-pointer
                 fi
                 AC_SUBST(OMIT_FRAME_POINTER)
+                OPENAFS_GCC_SUPPORTS_MARCH
+                AC_SUBST(P5PLUS_KOPTS)
+                OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
+                OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
+                OPENAFS_GCC_SUPPORTS_NO_COMMON
+                AC_SUBST(LINUX_GCC_KOPTS)
                 ifdef([OPENAFS_CONFIGURE_LIBAFS],
                   [LINUX_BUILD_VNODE_FROM_INODE(src/config,afs)],
                   [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
@@ -140,25 +146,66 @@ case $system in
                 LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
                 LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
                 LINUX_INODE_SETATTR_RETURN_TYPE
+                LINUX_COMPLETION_H_EXISTS
+                LINUX_EXPORTS_TASKLIST_LOCK
                 LINUX_NEED_RHCONFIG
                 LINUX_WHICH_MODULES
+                 if test "$ac_cv_linux_config_modversions" = "xno"; then
+                   AC_MSG_WARN([Cannot determine sys_call_table status. assuming it's exported])
+                   ac_cv_linux_exports_sys_call_table=yes
+                 else
+                   LINUX_EXPORTS_SYS_CALL_TABLE
+                   LINUX_EXPORTS_KALLSYMS_SYMBOL
+                   LINUX_EXPORTS_KALLSYMS_ADDRESS
+                   LINUX_EXPORTS_INIT_MM
+                   if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
+                         linux_syscall_method=none
+                         if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
+                            linux_syscall_method=scan
+                            if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
+                               linux_syscall_method=scan_with_kallsyms_address
+                            fi
+                         fi
+                         if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
+                            linux_syscall_method=kallsyms_symbol
+                         fi
+                         if test "x$linux_syscall_method" = "xnone"; then
+                        AC_MSG_ERROR([no available sys_call_table access method])
+                         fi
+                   fi
+                 fi
+                if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
+                 AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if your linux kernel exports tasklist_lock])
+                fi
+                 if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
+                  AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
+                 fi
+                 if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
+                  AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
+                 fi
+                 if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
+                  AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
+                 fi
+                if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
+                 AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if your h_exists exists])
+                fi
                 if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
-                 AC_DEFINE(INODE_SETATTR_NOT_VOID)
+                 AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
                 fi
                 if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then 
-                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK)
+                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
                 fi
                 if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then 
-                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK)
+                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
                 fi
                 if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then 
-                 AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM)
+                 AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
                 fi
                 if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then 
-                 AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES)
+                 AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
                 fi
                 if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then 
-                 AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS)
+                 AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if you struct inode has data_buffers])
                 fi
                 :
                fi
@@ -169,6 +216,11 @@ case $system in
                SOLARIS_UFSVFS_HAS_DQRWLOCK
                SOLARIS_PROC_HAS_P_COREFILE
                 ;;
+        *-sunos*)
+               MKAFS_OSTYPE=SUNOS
+               enable_kernel_module=no
+                AC_MSG_RESULT(sun4)
+                ;;
         *-hpux*)
                MKAFS_OSTYPE=HPUX
                 AC_MSG_RESULT(hp_ux)
@@ -226,6 +278,9 @@ if test "x$with_afs_sysname" != "x"; then
 else
        AC_MSG_CHECKING(your AFS sysname)
        case $host in
+               i386-unknown-openbsd3.1)
+                       AFS_SYSNAME="i386_obsd31"
+                       ;;
                i?86-*-freebsd4.2*)
                        AFS_SYSNAME="i386_fbsd_42"
                        ;;
@@ -249,6 +304,14 @@ else
                        AFS_PARAM_COMMON=param.nbsd15.h
                        AFS_SYSNAME="alpha_nbsd15"
                        ;;
+               i?86-*-netbsd*1.6*)
+                       AFS_PARAM_COMMON=param.nbsd16.h
+                       AFS_SYSNAME="i386_nbsd16"
+                       ;;
+               alpha-*-netbsd*1.6*)
+                       AFS_PARAM_COMMON=param.nbsd16.h
+                       AFS_SYSNAME="alpha_nbsd16"
+                       ;;
                hppa*-hp-hpux11*)
                        AFS_SYSNAME="hp_ux110"
                        ;;
@@ -279,6 +342,15 @@ else
                powerpc-apple-darwin5.5*)
                        AFS_SYSNAME="ppc_darwin_14"
                        ;;
+               powerpc-apple-darwin6.0*)
+                       AFS_SYSNAME="ppc_darwin_60"
+                       ;;
+               powerpc-apple-darwin6.1*)
+                       AFS_SYSNAME="ppc_darwin_60"
+                       ;;
+               powerpc-apple-darwin6.2*)
+                       AFS_SYSNAME="ppc_darwin_60"
+                       ;;
                sparc-sun-solaris2.5*)
                        AFS_SYSNAME="sun4x_55"
                        ;;
@@ -294,6 +366,9 @@ else
                sparc-sun-solaris2.9)
                        AFS_SYSNAME="sun4x_59"
                        ;;
+               sparc-sun-sunos4*)
+                       AFS_SYSNAME="sun4_413"
+                       ;;
                i386-pc-solaris2.7)
                        AFS_SYSNAME="sunx86_57"
                        ;;
@@ -309,6 +384,9 @@ else
                alpha*-dec-osf5.0*)
                        AFS_SYSNAME="alpha_dux50"
                        ;;
+               alpha*-dec-osf5.1*)
+                       AFS_SYSNAME="alpha_dux51"
+                       ;;
                mips-sgi-irix6.5)
                        AFS_SYSNAME="sgi_65"
                        ;;
@@ -364,8 +442,37 @@ case $AFS_SYSNAME in
        *_darwin*)
                DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
                DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
+                dnl the test below fails on darwin, even if the CPPFLAGS below
+                dnl are added. the headers from Kernel.Framework must be used
+                dnl when KERNEL is defined.
+
+                dnl really, such a thing isn't guaranteed to work on any 
+                dnl platform until the kernel cflags from MakefileProto are
+                dnl known to configure
+               AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
                ;;
+        *)
+AC_MSG_CHECKING(for definition of struct buf)
+dnl save_CPPFLAGS="$CPPFLAGS"
+dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
+AC_CACHE_VAL(ac_cv_have_struct_buf, [
+       ac_cv_have_struct_buf=no
+       AC_TRY_COMPILE(
+               [#include <sys/buf.h>],
+               [struct buf x;
+               printf("%d\n", sizeof(x));],
+               ac_cv_have_struct_buf=yes,)
+       ]
+)
+dnl CPPFLAGS="$save_CPPFLAGS"
+AC_MSG_RESULT($ac_cv_have_struct_buf)
+if test "$ac_cv_have_struct_buf" = yes; then
+       AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
+fi
+;;
 esac
+
+
 AC_CACHE_VAL(ac_cv_sockaddr_len,
 [
 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
@@ -375,7 +482,7 @@ AC_TRY_COMPILE( [#include <sys/types.h>
 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
 AC_MSG_RESULT($ac_cv_sockaddr_len)])
 if test "$ac_cv_sockaddr_len" = "yes"; then
-   AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN)
+   AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
 fi
 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
         echo Skipping library tests because they confuse Irix.
@@ -385,7 +492,7 @@ else
   if test "$ac_cv_func_socket" = no; then
     for lib in socket inet; do
         if test "$HAVE_SOCKET" != 1; then
-                AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET))
+                AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
         fi
     done
   fi
@@ -395,7 +502,7 @@ else
   if test "$ac_cv_func_connect" = no; then
     for lib in nsl; do
         if test "$HAVE_CONNECT" != 1; then
-                AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT))
+                AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
         fi
     done
   fi
@@ -404,7 +511,7 @@ else
   if test "$ac_cv_func_gethostbyname" = no; then
         for lib in dns nsl resolv; do
           if test "$HAVE_GETHOSTBYNAME" != 1; then
-            AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME))
+            AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
           fi
         done    
   fi    
@@ -413,7 +520,7 @@ else
   if test "$ac_cv_func_res_search" = no; then
         for lib in dns nsl resolv; do
           if test "$HAVE_RES_SEARCH" != 1; then
-            AC_CHECK_LIB(${lib}, res_search, LIBS="$LIBS -l$lib";HAVE_RES_SEARCH=1;AC_DEFINE(HAVE_RES_SEARCH))
+            AC_CHECK_LIB(${lib}, res_search, LIBS="$LIBS -l$lib";HAVE_RES_SEARCH=1;AC_DEFINE(HAVE_RES_SEARCH, 1, [define if you have res_search]))
           fi
         done    
        if test "$HAVE_RES_SEARCH" = 1; then
@@ -453,28 +560,28 @@ fi
 
 # Fast restart
 if test "$enable_fast_restart" = "yes"; then
-       AC_DEFINE(FAST_RESTART)
+       AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
 fi
 
 if test "$enable_bitmap_later" = "yes"; then
-       AC_DEFINE(BITMAP_LATER)
+       AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
 fi
 
 if test "$enable_full_vos_listvol_switch" = "yes"; then
-       AC_DEFINE(FULL_LISTVOL_SWITCH)
+       AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
 fi
 
 if test "$enable_bos_restricted_mode" = "yes"; then
-       AC_DEFINE(BOS_RESTRICTED_MODE)
+       AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
 fi
 
 if test "$enable_namei_fileserver" = "yes"; then
-       AC_DEFINE(AFS_NAMEI_ENV)
+       AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
 fi
 
 if test "$enable_afsdb" = "yes"; then
        LIB_AFSDB="$LIB_res_search"
-       AC_DEFINE(AFS_AFSDB_ENV)
+       AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
 fi
 
 dnl check for tivoli
@@ -507,10 +614,14 @@ AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h)
 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h)
-AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h)
+AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h)
 
 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf re_comp re_exec)
-AC_CHECK_FUNCS(setprogname getprogname)
+AC_CHECK_FUNCS(setprogname getprogname sigaction)
+AC_CHECK_TYPE(ssize_t, int)
+AC_SIZEOF_TYPE(long)
+
+AC_CHECK_FUNCS(timegm)
 
 dnl Directory PATH handling
 if test "x$enable_transarc_paths" = "xyes"  ; then 
@@ -573,4 +684,23 @@ AC_SUBST(IRIX_BUILD_IP35)
 
 OPENAFS_OSCONF
 
+TOP_SRCDIR="${srcdir}/src"
+dnl
+dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
+dnl
+case $TOP_SRCDIR in
+        /*)
+                ;;
+        *)
+                TOP_SRCDIR=${SRCDIR_PARENT}/src
+esac
+
+TOP_OBJDIR="${SRCDIR_PARENT}"
+TOP_INCDIR="${SRCDIR_PARENT}/include"
+TOP_LIBDIR="${SRCDIR_PARENT}/lib"
+if test "${DEST}x" = "x"; then
+        DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
+fi
+
+
 ])