diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | INSTALL | 24 | ||||
| -rw-r--r-- | configure.ac | 14 |
3 files changed, 35 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog index 4507f4c2b..da7b1a9d7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2004-03-04 Peter Stephenson <pws@csr.com> + + * 19535: configure.ac, INSTALL: Add --enable-cap flag + to turn on search for POSIX capabilities; fails on AIX otherwise. + 2004-03-03 Wayne Davison <wayned@users.sourceforge.net> * users/7105: configure.ac, Makefile.in: Added back the stamp-h diff --git a/INSTALL b/INSTALL index 75d675d2e..8798294d4 100644 --- a/INSTALL +++ b/INSTALL @@ -359,20 +359,32 @@ correct handling of these types. None of this is relevant for 64-bit systems; zsh should compile and run without problems if (sizeof(long) == 8). -Searching for `pcre' --------------------- +Searching for additional features +--------------------------------- + +Various additional features are turned off by default to avoid +compatibility problems. + +--enable-pcre: Zsh has a module which allows the pcre regular expression library to be used via shell builtins. Compiling this library into the shell with dynamic loading (the default where available) produces a dependency on the library libpcre.so. This is a problem on systems where zsh needs to be -available at boot before the directory containing libpcre.so (for -example /usr/lib or /usr/local/lib) is mounted. For this reason, -pcre support will only be searched for if the option --enable-pcre -is passed to configure. +available at boot before the directory containing libpcre.so (for example +/usr/lib or /usr/local/lib) is mounted. For this reason, pcre support will +only be searched for if the option --enable-pcre is passed to configure. (Future versions of the shell may have a better fix for this problem.) +--enable-cap: + +This searches for POSIX capabilities; if found, the `cap' library +is available and the shell will use these to determine if the +shell is running in some privileged mode. This is turned off by +default as on some systems non-standard headers (in particular AIX) are +required. A direct fix for that problem would be appreciated. + Options For Configure --------------------- diff --git a/configure.ac b/configure.ac index 518e1754e..18ff78262 100644 --- a/configure.ac +++ b/configure.ac @@ -313,6 +313,11 @@ AC_ARG_ENABLE(pcre, AC_HELP_STRING([--enable-pcre], [enable the search for the pcre library (may create run-time library dependencies)])) +dnl Do you want to look for capability support? +AC_ARG_ENABLE(cap, +AC_HELP_STRING([--enable-cap], +[enable the search for POSIX capabilities (may require additional headers to be added by hand)])) + dnl ------------------ dnl CHECK THE COMPILER dnl ------------------ @@ -709,7 +714,9 @@ if test "x$dynamic" = xyes; then AC_CHECK_LIB(dl, dlopen) fi -AC_CHECK_LIB(cap, cap_get_proc) +if test x$enable_cap = xyes; then + AC_CHECK_LIB(cap, cap_get_proc) +fi AC_CHECK_LIB(socket, socket) @@ -1029,7 +1036,6 @@ AC_CHECK_FUNCS(strftime difftime gettimeofday \ initgroups nis_list \ setuid seteuid setreuid setresuid setsid \ memcpy memmove strstr strerror \ - cap_get_proc \ getrlimit \ setlocale \ uname \ @@ -1045,6 +1051,10 @@ AC_CHECK_FUNCS(strftime difftime gettimeofday \ grantpt unlockpt ptsname) AC_FUNC_STRCOLL +if test x$enable_cap = xyes; then + AC_CHECK_FUNCS(cap_get_proc) +fi + dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer) dnl Some termcaps reportedly accept a zero buffer, but then dump core dnl in tgetstr(). |