Add --with-thin-check configure option

If specified - use given path without test (Path could be empty)
If autodetection is in use - check for command in available PATH.

WHATS_NEW

@@ -1,5 +1,6 @@
 Version 2.02.96 - 
 ================================
+  Add --with-thin-check configure option for path to thin_check.
   Detect lvm binary path in lvmetad udev rules.
   Fix error message when pvmove LV activation fails with name already in use.
   Better structure layout for device_info in dev_subsystem_name().

configure

@@ -714,6 +714,7 @@ PKGCONFIGINIT_CFLAGS
 PKG_CONFIG_LIBDIR
 PKG_CONFIG_PATH
 PKG_CONFIG
+THIN_CHECK_CMD
 POW_LIB
 LIBOBJS
 ALLOCA
@@ -808,6 +809,7 @@ with_mirrors
 with_raid
 with_replicators
 with_thin
+with_thin_check
 enable_readline
 enable_realtime
 enable_ocf
@@ -1566,6 +1568,7 @@ Optional Packages:
                           [[TYPE=none]]
   --with-thin=TYPE        thin provisioning support: internal/shared/none
                           [[TYPE=none]]
+  --with-thin-check=PATH  thin_check tool: [[autodetect]]
   --with-ocfdir=DIR       install OCF files in DIR
                           [[PREFIX/lib/ocf/resource.d/lvm2]]
   --with-clvmd=TYPE       build cluster LVM Daemon
@@ -7007,6 +7010,70 @@ $as_echo "#define THIN_INTERNAL 1" >>confdefs.h
   *) as_fn_error $? "--with-thin parameter invalid ($THIN)" "$LINENO" 5 ;;
 esac
 
+case "$THIN" in
+  internal|shared)
+
+# Check whether --with-thin-check was given.
+if test "${with_thin_check+set}" = set; then :
+  withval=$with_thin_check; THIN_CHECK_CMD=$withval
+else
+  THIN_CHECK_CMD="autodetect"
+fi
+
+	# Empty means a config way to ignore thin checking
+	if test "$THIN_CHECK_CMD" = "autodetect"; then
+		# Extract the first word of "thin_check", so it can be a program name with args.
+set dummy thin_check; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_THIN_CHECK_CMD+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $THIN_CHECK_CMD in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_THIN_CHECK_CMD="$THIN_CHECK_CMD" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_THIN_CHECK_CMD="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+THIN_CHECK_CMD=$ac_cv_path_THIN_CHECK_CMD
+if test -n "$THIN_CHECK_CMD"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $THIN_CHECK_CMD" >&5
+$as_echo "$THIN_CHECK_CMD" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+		test -z "$THIN_CHECK_CMD" && as_fn_error $? "thin_check not found in path $PATH" "$LINENO" 5
+	fi
+
+
+cat >>confdefs.h <<_ACEOF
+#define THIN_CHECK_CMD "$THIN_CHECK_CMD"
+_ACEOF
+
+	;;
+esac
+
+
 ################################################################################
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable readline" >&5
 $as_echo_n "checking whether to enable readline... " >&6; }
@@ -10420,6 +10487,7 @@ LVM_LIBAPI=`echo "$VER" | $AWK -F '[()]' '{print $2}'`
 
 
 
+
 
 
 ################################################################################

configure.in

@@ -411,6 +411,24 @@ case "$THIN" in
   *) AC_MSG_ERROR([--with-thin parameter invalid ($THIN)]) ;;
 esac
 
+case "$THIN" in
+  internal|shared)
+	AC_ARG_WITH(thin-check,
+		AC_HELP_STRING([--with-thin-check=PATH],
+			       [thin_check tool: [[autodetect]]]),
+			       THIN_CHECK_CMD=$withval, THIN_CHECK_CMD="autodetect")
+	# Empty means a config way to ignore thin checking
+	if test "$THIN_CHECK_CMD" = "autodetect"; then
+		AC_PATH_PROG(THIN_CHECK_CMD, thin_check)
+		test -z "$THIN_CHECK_CMD" && AC_MSG_ERROR(thin_check not found in path $PATH)
+	fi
+
+	AC_DEFINE_UNQUOTED([THIN_CHECK_CMD], ["$THIN_CHECK_CMD"],
+			   [The path to 'thin_check', if available.])
+	;;
+esac
+
+
 ################################################################################
 dnl -- Disable readline
 AC_MSG_CHECKING(whether to enable readline)
@@ -1475,6 +1493,7 @@ AC_SUBST(STATICDIR)
 AC_SUBST(STATIC_LINK)
 AC_SUBST(TESTING)
 AC_SUBST(THIN)
+AC_SUBST(THIN_CHECK_CMD)
 AC_SUBST(UDEV_LIBS)
 AC_SUBST(UDEV_PC)
 AC_SUBST(UDEV_RULES)

lib/misc/configure.h.in

@@ -534,6 +534,9 @@
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 
+/* The path to 'thin_check', if available. */
+#undef THIN_CHECK_CMD
+
 /* Define to 1 to include built-in support for thin provisioning. */
 #undef THIN_INTERNAL