X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=aclocal%2Flibcap.m4;h=f8a0ed178cccbc0639b7ab02343d7054e4015faa;hp=eabe507b6d42e7766598583f7f5846fd42af5800;hb=768ab6039b53d767158c50bcc5fceb2ec2516a8a;hpb=e2446fda6e7cdb1b9462162b81b0e50fd6efaf56

diff --git a/aclocal/libcap.m4 b/aclocal/libcap.m4
index eabe507..f8a0ed1 100644
--- a/aclocal/libcap.m4
+++ b/aclocal/libcap.m4
@@ -3,13 +3,21 @@ dnl
 AC_DEFUN([AC_LIBCAP], [
 
   dnl look for prctl
-  AC_CHECK_FUNC([prctl], , )
+  AC_CHECK_FUNC([prctl], , AC_MSG_ERROR([prctl syscall is not available]))
 
-  dnl look for the library; do not add to LIBS if found
-  AC_CHECK_LIB([cap], [cap_get_proc], [LIBCAP=-lcap], ,)
-  AC_SUBST(LIBCAP)
+  AC_ARG_ENABLE([caps],
+    [AS_HELP_STRING([--disable-caps], [Disable capabilities support])])
+
+  LIBCAP=
+
+  if test "x$enable_caps" != "xno" ; then
+    dnl look for the library; do not add to LIBS if found
+    AC_CHECK_LIB([cap], [cap_get_proc], [LIBCAP=-lcap], ,)
 
-  AC_CHECK_HEADERS([sys/capability.h], ,
-                   [AC_MSG_ERROR([libcap headers not found.])])
+    AC_CHECK_HEADERS([sys/capability.h], ,
+      [test "x$enable_caps" = "xyes" && AC_MSG_ERROR([libcap headers not found.])])
+  fi
+
+  AC_SUBST(LIBCAP)
 
 ])dnl