Linux: Make dir dentry aliases act like symlinks
[openafs.git] / acinclude.m4
index c9bb7f7..e67d220 100644 (file)
@@ -79,6 +79,10 @@ AC_ARG_ENABLE([pam],
     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
     ,
     [enable_pam="yes"])
+AC_ARG_ENABLE([gtx],
+    AS_HELP_STRING([--disable-gtx], [disable gtx curses-based terminal tools]))
+AC_ARG_ENABLE([uss],
+    AS_HELP_STRING([--disable-uss], [disable uss bulk creation tool]))
 AC_ARG_ENABLE([namei-fileserver],
     [AS_HELP_STRING([--enable-namei-fileserver],
         [force compilation of namei fileserver in preference to inode
@@ -199,7 +203,7 @@ AC_ARG_ENABLE([optimize-kernel],
         [disable compilation of the kernel module with optimization (defaults
          based on platform)])],
     , 
-    [enable_optimize_kernel="yes"])
+    [enable_optimize_kernel=""])
 AC_ARG_ENABLE([debug-lwp],
     [AS_HELP_STRING([--enable-debug-lwp],
         [enable compilation of the LWP code with debugging information
@@ -230,21 +234,39 @@ AC_ARG_ENABLE([linux-syscall-probing],
     ,
     [enable_linux_syscall_probing="maybe"])
     
-
 AC_ARG_WITH([xslt-processor],
        AS_HELP_STRING([--with-xslt-processor=ARG],
        [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
-               XSLTPROC="$withval",
-               XSLTPROC="libxslt")
+               [XSLTPROC="$withval"],
+       AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
 
 AC_ARG_WITH([html-xsl], 
         AS_HELP_STRING([--with-html-xsl],
-       [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
-       HTML_XSL="$withval",
-       HTML_XSL=no)
+       [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
+       [HTML_XSL="$withval"],
+       [HTML_XSL="html/chunk.xsl"])
+
+AC_ARG_WITH([docbook2pdf],
+       AS_HELP_STRING([--with-docbook2pdf=ARG],
+       [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
+               [DOCBOOK2PDF="$withval"],
+       AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
+
+AC_ARG_WITH([docbook-stylesheets],
+       AS_HELP_STRING([--with-docbook-stylesheets=ARG],
+       [location of DocBook stylesheets (default is to search a set of likely paths)]),
+               [DOCBOOK_STYLESHEETS="$withval"],
+       OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
+       if test "x$DOCBOOK_STYLESHEETS" = "x"; then
+               AC_WARN([Docbook stylesheets not found; some documentation can't be built])
+       fi)
 
 enable_login="no"
 
+dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
+dnl documentation build.
+AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
+
 dnl weird ass systems
 dnl AC_AIX
 AC_ISC_POSIX
@@ -344,17 +366,22 @@ case $system in
                fi
                AC_MSG_RESULT(linux)
                 if test "x$enable_kernel_module" = "xyes"; then
-                 AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
-                 if test "x${AFS_SYSKVERS}" = "x"; then
-                  AC_MSG_ERROR(Couldn't guess your Linux version [2])
-                 fi
+                 case "$LINUX_VERSION" in
+                  2.2.*) AFS_SYSKVERS=22 ;;
+                  2.4.*) AFS_SYSKVERS=24 ;;
+                  2.6.* | 3.*) AFS_SYSKVERS=26 ;;
+                  *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
+                 esac
                 fi
                 ;;
         *-solaris*)
                MKAFS_OSTYPE=SOLARIS
                 AC_MSG_RESULT(sun4)
                AC_PATH_PROG(SOLARISCC, [cc], ,
-                   [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
+                   [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
+               if test "x$SOLARISCC" = "x" ; then
+                   AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
+               fi
                SOLARIS_UFSVFS_HAS_DQRWLOCK
                SOLARIS_FS_HAS_FS_ROLLED
                SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
@@ -554,15 +581,13 @@ else
                        AFS_SYSNAME="x86_darwin_110"
                        OSXSDK="macosx10.7"
                        ;;
-               sparc-sun-solaris2.5*)
-                       AFS_SYSNAME="sun4x_55"
-                       enable_login="yes"
-                       ;;
-               sparc-sun-solaris2.6)
-                       AFS_SYSNAME="sun4x_56"
+               x86_64-apple-darwin12.*)
+                       AFS_SYSNAME="x86_darwin_120"
+                       OSXSDK="macosx10.8"
                        ;;
-               sparc-sun-solaris2.7)
-                       AFS_SYSNAME="sun4x_57"
+               i?86-apple-darwin12.*)
+                       AFS_SYSNAME="x86_darwin_120"
+                       OSXSDK="macosx10.8"
                        ;;
                sparc-sun-solaris2.8)
                        AFS_SYSNAME="sun4x_58"
@@ -576,13 +601,6 @@ else
                sparc-sun-solaris2.11)
                        AFS_SYSNAME="sun4x_511"
                        ;;
-               sparc-sun-sunos4*)
-                       AFS_SYSNAME="sun4_413"
-                       enable_login="yes"
-                       ;;
-               i386-pc-solaris2.7)
-                       AFS_SYSNAME="sunx86_57"
-                       ;;
                i386-pc-solaris2.8)
                        AFS_SYSNAME="sunx86_58"
                        ;;
@@ -743,6 +761,8 @@ case $AFS_SYSNAME in
     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 esac
 
+OPENAFS_OSCONF
+
 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 
                # Add (sub-) architecture-specific paths needed by conftests
@@ -785,6 +805,7 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
                                       [backing-dev.h])
                 AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
+                AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
                 AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
                 AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
                 AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
@@ -813,6 +834,10 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 
+                dnl Check for typed structure elements
+                AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
+                                            [buf], [fs.h])
+
                 dnl Function existence checks
 
                  AC_CHECK_LINUX_FUNC([bdi_init],
@@ -828,6 +853,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
 #include <linux/page-flags.h>],
                                     [struct page *_page;
                                       int bchecked = PageFsMisc(_page);])
+                AC_CHECK_LINUX_FUNC([clear_inode],
+                                    [#include <linux/fs.h>],
+                                    [clear_inode(NULL);])
                 AC_CHECK_LINUX_FUNC([current_kernel_time],
                                     [#include <linux/time.h>],
                                     [struct timespec s;
@@ -835,6 +863,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 AC_CHECK_LINUX_FUNC([d_alloc_anon],
                                     [#include <linux/fs.h>],
                                     [d_alloc_anon(NULL);])
+                AC_CHECK_LINUX_FUNC([d_make_root],
+                                    [#include <linux/fs.h>],
+                                    [d_make_root(NULL);])
                 AC_CHECK_LINUX_FUNC([do_sync_read],
                                     [#include <linux/fs.h>],
                                     [do_sync_read(NULL, NULL, 0, NULL);])
@@ -875,6 +906,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 AC_CHECK_LINUX_FUNC([rcu_read_lock],
                                     [#include <linux/rcupdate.h>],
                                     [rcu_read_lock();])
+                AC_CHECK_LINUX_FUNC([set_nlink],
+                                    [#include <linux/fs.h>],
+                                    [set_nlink(NULL, 1);])
                 AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
                                     [#include <linux/splice.h>],
                                     [splice_direct_to_actor(NULL,NULL,NULL);])
@@ -884,6 +918,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 AC_CHECK_LINUX_FUNC([zero_user_segments],
                                     [#include <linux/highmem.h>],
                                     [zero_user_segments(NULL, 0, 0, 0, 0);])
+                AC_CHECK_LINUX_FUNC([noop_fsync],
+                                    [#include <linux/fs.h>],
+                                    [void *address = &noop_fsync; printk("%p\n", address)];)
 
                 dnl Consequences - things which get set as a result of the
                 dnl                above tests
@@ -905,9 +942,11 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_IOP_I_PERMISSION_TAKES_FLAGS
                 LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
                 LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
+                LINUX_DOP_D_DELETE_TAKES_CONST
                 LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
                 LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
                 LINUX_FOP_F_FSYNC_TAKES_DENTRY
+                LINUX_FOP_F_FSYNC_TAKES_RANGE
                 LINUX_AOP_WRITEBACK_CONTROL
                 LINUX_FS_STRUCT_FOP_HAS_SPLICE
                 LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
@@ -929,6 +968,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
                 LINUX_HAVE_DCACHE_LOCK
                 LINUX_D_COUNT_IS_INT
+                LINUX_IOP_MKDIR_TAKES_UMODE_T
+                LINUX_IOP_CREATE_TAKES_UMODE_T
+                LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
 
                 dnl If we are guaranteed that keyrings will work - that is
                 dnl  a) The kernel has keyrings enabled
@@ -1083,6 +1125,7 @@ else
   fi
   
 fi
+XLIBS="$LIB_AFSDB $XLIBS"
 
 AC_CHECK_RESOLV_RETRANS
 
@@ -1251,9 +1294,9 @@ AC_CHECK_HEADERS([ \
                   ncurses.h \
                   netdb.h \
                   netinet/in.h \
+                  pthread_np.h \
                   pwd.h \
                   regex.h \
-                  resolv.h \
                   security/pam_appl.h \
                   signal.h \
                   stdint.h \
@@ -1295,12 +1338,24 @@ AC_CHECK_HEADERS([ \
                   unistd.h \
                   windows.h \
                ])
+
+AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif])
+
 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
 #ifdef HAVE_SYS_SOCKET_H
 # include <sys/socket.h>
 #endif])
 
 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
 #ifdef HAVE_NET_IF_H
 # include <net/if.h>
 #endif])
@@ -1325,17 +1380,20 @@ AC_CHECK_TYPES([fsblkcnt_t],,,[
 #endif
 ])
 
-dnl check for curses-lib
-save_LIBS=$LIBS
-AC_CHECK_LIB( [ncurses], [setupterm],
-[LIB_curses=-lncurses],
-    [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
-        [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])
-    ])
-])
-LIBS=$save_LIBS
-AC_SUBST(LIB_curses)
+dnl see what struct stat has for timestamps
+AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
 
+dnl check for curses-lib
+AS_IF([test "x$enable_gtx" != "xno"],
+      [save_LIBS=$LIBS
+      AC_CHECK_LIB( [ncurses], [setupterm],
+      [LIB_curses=-lncurses],
+        [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
+          [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])])
+      ])
+      LIBS=$save_LIBS
+      AC_SUBST(LIB_curses)])
+       
 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
 
 dnl Don't build PAM on IRIX; the interface doesn't work for us.
@@ -1360,6 +1418,13 @@ else
 fi
 AC_SUBST(BUILD_LOGIN)
 
+if test "$enable_uss" = yes; then
+       BUILD_USS="yes"
+else
+       BUILD_USS="no"
+fi
+AC_SUBST(BUILD_USS)
+
 AC_CHECK_FUNCS([ \
        arc4random \
        fcntl \
@@ -1370,7 +1435,6 @@ AC_CHECK_FUNCS([ \
        geteuid \
        getgid \
        getuid \
-       getprogname \
        getrlimit \
        issetugid \
        mkstemp \
@@ -1384,13 +1448,13 @@ AC_CHECK_FUNCS([ \
        regerror \
        regexec \
        setitimer \
-       setprogname \
        setvbuf \
        sigaction \
        strcasestr \
        strerror \
        sysconf \
        sysctl \
+       tdestroy \
        timegm \
 ])
 
@@ -1442,6 +1506,8 @@ AC_REPLACE_FUNCS([ \
        gettimeofday \
        localtime_r \
        mkstemp \
+       setenv \
+       setprogname \
        strcasecmp \
        strlcat \
        strnlen \
@@ -1451,6 +1517,7 @@ AC_REPLACE_FUNCS([ \
        tfind \
        tsearch \
        twalk \
+       unsetenv \
        verr \
        verrx \
        vsyslog \
@@ -1546,6 +1613,51 @@ else
     AC_MSG_RESULT(no)
 fi
 
+dnl Look for "non-portable" pthreads functions.
+save_LIBS="$LIBS"
+LIBS="$LIBS $PTHREAD_LIBS"
+AC_CHECK_FUNCS([ \
+       pthread_set_name_np \
+       pthread_setname_np \
+])
+
+dnl Sadly, there are three different versions of pthread_setname_np.
+dnl Try to cater for all of them.
+if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
+    AC_MSG_CHECKING([for signature of pthread_setname_np])
+    AC_TRY_COMPILE([
+#include <pthread.h>
+#ifdef HAVE_PTHREAD_NP_H
+#include <pthread_np.h>
+#endif
+], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
+       AC_MSG_RESULT([three arguments])
+       pthread_setname_np_args=3], [
+       AC_TRY_COMPILE([
+#include <pthread.h>
+#ifdef HAVE_PTHREAD_NP_H
+#include <pthread_np.h>
+#endif
+], [pthread_setname_np(pthread_self(), "test")], [
+           AC_MSG_RESULT([two arguments])
+           pthread_setname_np_args=2], [
+           AC_TRY_COMPILE([
+#include <pthread.h>
+#ifdef HAVE_PTHREAD_NP_H
+#include <pthread_np.h>
+#endif
+], [pthread_setname_np("test")], [
+               AC_MSG_RESULT([one argument])
+               pthread_setname_np_args=1], [pthread_setname_np_args=0])
+])
+])
+AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
+fi
+LIBS="$save_LIBS"
+
+openafs_cv_saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
+
 AC_TYPE_SIGNAL
 OPENAFS_RETSIGTYPE
 AC_CHECK_SIZEOF(void *)
@@ -1594,7 +1706,9 @@ AC_CHECK_TYPES([long long], [], [], [])
 
 AC_SIZEOF_TYPE(long)
 
-AC_HEADER_PAM_CONST
+CFLAGS="$openafs_cv_saved_CFLAGS"
+
+RRA_HEADER_PAM_CONST
 
 
 dnl Directory PATH handling
@@ -1668,9 +1782,11 @@ AC_SUBST(DARWIN_INFOFILE)
 AC_SUBST(IRIX_BUILD_IP35)
 AC_SUBST(HTML_XSL)
 AC_SUBST(XSLTPROC)
+AC_SUBST(DOCBOOK2PDF)
+AC_SUBST(DOCBOOK_STYLESHEETS)
 
-OPENAFS_OSCONF
 OPENAFS_FUSE
+OPENAFS_SWIG
 
 TOP_SRCDIR="${srcdir}/src"
 dnl