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3eae84d351
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@26814 72102866-910b-0410-8b05-ffd578937521
74 lines
2.8 KiB
Text
74 lines
2.8 KiB
Text
dnl procfs macros
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dnl Copyright (C) 2005 Free Software Foundation
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dnl Copying and distribution of this file, with or without modification,
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dnl are permitted in any medium without royalty provided the copyright
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dnl notice and this notice are preserved.
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dnl
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dnl AC_SYS_PROCFS
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dnl This macro defines HAVE_PROCFS if either it finds a mounted /proc
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dnl or the user explicitly enables it for cross-compiles.
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AC_DEFUN(AC_SYS_PROCFS,
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[ AC_ARG_ENABLE(procfs,
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[ --enable-procfs Use /proc filesystem (default)],
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enable_procfs="$enableval", if test "$cross_compiling" = yes; then enable_procfs=cross; else enable_procfs=yes; fi;)
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AC_CACHE_CHECK([kernel support for /proc filesystem], ac_cv_sys_procfs,
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[if test "$enable_procfs" = yes; then
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# Suggested change for the following line was
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# if test -d /proc/0; then
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# but it doesn't work on my linux - /proc/0 does not exist, but /proc
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# works fine
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if grep 'proc' /proc/mounts >/dev/null 2>/dev/null; then
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ac_cv_sys_procfs=yes
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else
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ac_cv_sys_procfs=no
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fi
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case "$target_os" in
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# Solaris has proc, but it is not readable
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solaris*) ac_cv_sys_procfs=no;;
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irix*) ac_cv_sys_procfs=no;;
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# Cygwin does have proc, but it does not show with mount
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cygwin*) ac_cv_sys_procfs=yes;;
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esac
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elif test "$enable_procfs" = cross; then
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ac_cv_sys_procfs=no
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else
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ac_cv_sys_procfs=no
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fi])
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if test "$enable_procfs" = cross; then
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AC_MSG_WARN(Cross-compiling: Pass --enable-procfs argument to enable use of /proc filesystem.)
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fi
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if test $ac_cv_sys_procfs = yes; then
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AC_DEFINE(HAVE_PROCFS, 1, [Define if system supports the /proc filesystem])
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fi
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]
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)
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dnl AC_SYS_PROCFS_PSINFO
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dnl This macro defines HAVE_PROCFS_PSINFO if it can read the psinfo
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dnl structure from the /proc/%pid% directory
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AC_DEFUN(AC_SYS_PROCFS_PSINFO,
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[ AC_ARG_ENABLE(procfs-psinfo,
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[ --enable-procfs-psinfo Use /proc/%pid% to get info],
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enable_procfs_psinfo="$enableval", if test "$cross_compiling" = yes; then enable_procfs_psinfo=cross; else enable_procfs_psinfo=yes; fi;)
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AC_CACHE_CHECK([support for /proc psinfo struct], ac_cv_sys_procfs_psinfo,
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[if test "$enable_procfs_psinfo" = yes; then
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AC_TRY_RUN([#include "$srcdir/config/config.psinfo.c"],
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ac_cv_sys_procfs_psinfo=yes, ac_cv_sys_procfs_psinfo=no,
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ac_cv_sys_procfs_psinfo=yes)
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elif test "$enable_procfs" = cross; then
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ac_cv_sys_procfs_psinfo=no
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else
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ac_cv_sys_procfs_psinfo=no
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fi])
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if test "$enable_procfs" = cross; then
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AC_MSG_WARN(Cross-compiling: Pass --enable-procfs-psinfo argument to enable use of /proc psinfo information.)
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fi
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if test $ac_cv_sys_procfs_psinfo = yes; then
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AC_DEFINE(HAVE_PROCFS_PSINFO, 1, [Define if system supports reading psinfo from /proc])
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fi
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]
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)
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