[Xen-devel] [PATCH] tools: remove vestigial default_lib.m4 macros and adjust substitutions

[Matt Wilson <msw@xxxxxxxxxx>]

LIB_PATH is no longer used, so the AX_DEFAULT_LIB macro is no longer
needed. Additionally lower case make variables are now used as
autoconf substitutions, which allows for more correct overrides at
build time.

I've checked the file layout in dist/install from the build made
before this change versus after with ./configure values of:
 1) ./configure (no flags provided)
 2) ./configure --libdir=/usr/lib/x86_64-linux-gnu (Debian style)
 3) ./configure --libdir='${exec_prefix}/lib' (late variable expansion)

Signed-off-by: Matt Wilson <msw@xxxxxxxxxx>

diff -r c95d96c70108 -r d7e4efa17fb0 config/Tools.mk.in
--- a/config/Tools.mk.in        Tue Aug 28 13:36:29 2012 -0700
+++ b/config/Tools.mk.in        Tue Aug 28 15:35:08 2012 -0700
@@ -1,7 +1,9 @@
 # Prefix and install folder
-PREFIX              := @prefix@
+prefix              := @prefix@
+PREFIX              := $(prefix)
 exec_prefix         := @exec_prefix@
-LIBDIR              := @libdir@
+libdir              := @libdir@
+LIBDIR              := $(libdir)
 
 # A debug build of tools?
 debug               := @debug@
diff -r c95d96c70108 -r d7e4efa17fb0 tools/configure.ac
--- a/tools/configure.ac        Tue Aug 28 13:36:29 2012 -0700
+++ b/tools/configure.ac        Tue Aug 28 15:35:08 2012 -0700
@@ -28,7 +28,6 @@
 m4_include([m4/python_version.m4])
 m4_include([m4/python_devel.m4])
 m4_include([m4/ocaml.m4])
-m4_include([m4/default_lib.m4])
 m4_include([m4/set_cflags_ldflags.m4])
 m4_include([m4/uuid.m4])
 m4_include([m4/pkg.m4])
@@ -121,9 +120,6 @@
  AX_CHECK_CURSES
 PKG_CHECK_MODULES(glib, [glib-2.0 >= 2.12])
 
-# Check library path
-AX_DEFAULT_LIB
-
 # Checks for libraries.
 AC_CHECK_HEADER([bzlib.h], [
 AC_CHECK_LIB([bz2], [BZ2_bzDecompressInit], [zlib="$zlib -DHAVE_BZLIB -lbz2"])
diff -r c95d96c70108 -r d7e4efa17fb0 tools/m4/default_lib.m4
--- a/tools/m4/default_lib.m4   Tue Aug 28 13:36:29 2012 -0700
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,14 +0,0 @@
-AC_DEFUN([AX_DEFAULT_LIB],
-[AS_IF([test "\${exec_prefix}/lib" = "$libdir"],
-    [AS_IF([test "$exec_prefix" = "NONE" && test "$prefix" != "NONE"],
-        [exec_prefix=$prefix])
-    AS_IF([test "$exec_prefix" = "NONE"], [exec_prefix=$ac_default_prefix])
-    AS_IF([test -d "${exec_prefix}/lib64"], [
-        LIB_PATH="lib64"
-    ],[
-        LIB_PATH="lib"
-    ])
-], [
-    LIB_PATH="${libdir:`expr length "$exec_prefix" + 1`}"
-])
-AC_SUBST(LIB_PATH)])

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