Change to recommanded m4/-style small files

.gitignore

@@ -6,6 +6,10 @@
 aclocal.m4
 autom4te.cache/
 build-aux/
+m4/
+!m4/ccalias.m4
+!m4/iconv.m4
+!m4/readline.m4
 config.log
 config.status
 configure

Makefile.am

@@ -1,3 +1,4 @@
+ACLOCAL_AMFLAGS	=	-I m4
 SUBDIRS	=	src include doc
 
 DEFDIR	=	$(prefix)

configure.ac

@@ -1,5 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT([mdbtools],[0.7],[mdbtools-dev@lists.sourceforge.net])
+AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_SRCDIR(src/extras/mdb-dump.c)
 AM_INIT_AUTOMAKE

m4/ccalias.m4

@@ -0,0 +1,16 @@
+dnl Check whether the target supports symbol aliases.
+dnl This is a mdbtools specific version
+dnl TODO: Check if gnulib version works, and add serial
+
+dnl Code copied from libgomp
+AC_DEFUN([AM_GCC_ATTRIBUTE_ALIAS], [
+  AC_CACHE_CHECK([whether the target supports symbol aliases],
+		 am_cv_gcc_have_attribute_alias, [
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([
+void foo(void) { }
+extern void bar(void) __attribute__((alias("foo")));],
+    [bar();])], am_cv_gcc_have_attribute_alias=yes, am_cv_gcc_have_attribute_alias=no)])
+  if test $am_cv_gcc_have_attribute_alias = yes; then
+    AC_DEFINE(HAVE_ATTRIBUTE_ALIAS, 1,
+      [Define to 1 if the target supports __attribute__((alias(...))).])
+  fi])

m4/iconv.m4

@@ -1,49 +1,6 @@
-AC_DEFUN([VL_LIB_READLINE], [
+dnl This is a mdbtools specific version of iconv.m4
-  AC_CACHE_CHECK([for a readline compatible library],
+dnl Do not put a serial in it, or be prepared to install extra stuff like rpath.config
-                 vl_cv_lib_readline, [
+dnl
-    ORIG_LIBS="$LIBS"
-    for readline_lib in readline edit editline; do
-      for termcap_lib in "" termcap curses ncurses; do
-        TRY_LIB="-l$readline_lib"
-        if test -n "$termcap_lib"; then
-          TRY_LIB="$TRY_LIB -l$termcap_lib"
-        fi
-        LIBS="$ORIG_LIBS $TRY_LIB"
-        AC_TRY_LINK_FUNC(readline, vl_cv_lib_readline=yes)
-        if test "$vl_cv_lib_readline" = yes; then
-          break
-        fi
-      done
-      if test "$vl_cv_lib_readline" = yes; then
-        break
-      fi
-    done
-  ])
-
-  if test "$vl_cv_lib_readline" = yes; then
-    AC_DEFINE(HAVE_LIBREADLINE, 1,
-              [Define if you have a readline compatible library])
-    AC_CHECK_HEADERS(readline.h readline/readline.h)
-    AC_CACHE_CHECK([whether readline supports history],
-                   vl_cv_lib_readline_history, [
-      AC_TRY_LINK_FUNC(add_history, vl_cv_lib_readline_history=yes)
-    ])
-    if test "$vl_cv_lib_readline_history" = yes; then
-      AC_DEFINE(HAVE_READLINE_HISTORY, 1,
-                [Define if your readline library has \`add_history'])
-      AC_CHECK_HEADERS(history.h readline/history.h)
-    fi
-  fi
-  LIBS="$ORIG_LIBS"
-
-  LIBREADLINE=
-  if test "$vl_cv_lib_readline" = yes; then
-    LIBREADLINE="$TRY_LIB"
-  fi
-  AC_SUBST(LIBREADLINE)
-])dnl
-
-
 dnl From Bruno Haible.
 AC_DEFUN([AM_ICONV],
 [
@@ -110,18 +67,3 @@ size_t iconv();
   fi
   AC_SUBST(LIBICONV)
 ])
-
-
-dnl Check whether the target supports symbol aliases.
-dnl Code copied from libgomp
-AC_DEFUN([AM_GCC_ATTRIBUTE_ALIAS], [
-  AC_CACHE_CHECK([whether the target supports symbol aliases],
-		 am_cv_gcc_have_attribute_alias, [
-  AC_LINK_IFELSE([AC_LANG_PROGRAM([
-void foo(void) { }
-extern void bar(void) __attribute__((alias("foo")));],
-    [bar();])], am_cv_gcc_have_attribute_alias=yes, am_cv_gcc_have_attribute_alias=no)])
-  if test $am_cv_gcc_have_attribute_alias = yes; then
-    AC_DEFINE(HAVE_ATTRIBUTE_ALIAS, 1,
-      [Define to 1 if the target supports __attribute__((alias(...))).])
-  fi])

m4/readline.m4

@@ -0,0 +1,47 @@
+dnl readline.m4
+dnl mdbtools specific version
+dnl TODO: Check if official version works then add serial
+AC_DEFUN([VL_LIB_READLINE], [
+  AC_CACHE_CHECK([for a readline compatible library],
+                 vl_cv_lib_readline, [
+    ORIG_LIBS="$LIBS"
+    for readline_lib in readline edit editline; do
+      for termcap_lib in "" termcap curses ncurses; do
+        TRY_LIB="-l$readline_lib"
+        if test -n "$termcap_lib"; then
+          TRY_LIB="$TRY_LIB -l$termcap_lib"
+        fi
+        LIBS="$ORIG_LIBS $TRY_LIB"
+        AC_TRY_LINK_FUNC(readline, vl_cv_lib_readline=yes)
+        if test "$vl_cv_lib_readline" = yes; then
+          break
+        fi
+      done
+      if test "$vl_cv_lib_readline" = yes; then
+        break
+      fi
+    done
+  ])
+
+  if test "$vl_cv_lib_readline" = yes; then
+    AC_DEFINE(HAVE_LIBREADLINE, 1,
+              [Define if you have a readline compatible library])
+    AC_CHECK_HEADERS(readline.h readline/readline.h)
+    AC_CACHE_CHECK([whether readline supports history],
+                   vl_cv_lib_readline_history, [
+      AC_TRY_LINK_FUNC(add_history, vl_cv_lib_readline_history=yes)
+    ])
+    if test "$vl_cv_lib_readline_history" = yes; then
+      AC_DEFINE(HAVE_READLINE_HISTORY, 1,
+                [Define if your readline library has \`add_history'])
+      AC_CHECK_HEADERS(history.h readline/history.h)
+    fi
+  fi
+  LIBS="$ORIG_LIBS"
+
+  LIBREADLINE=
+  if test "$vl_cv_lib_readline" = yes; then
+    LIBREADLINE="$TRY_LIB"
+  fi
+  AC_SUBST(LIBREADLINE)
+])dnl