X-Git-Url: http://git.bytex64.net/?a=blobdiff_plain;f=m4%2Fyajl.m4;fp=m4%2Fyajl.m4;h=a9466664b018c05355444abe00dfb8be6a517c52;hb=a88ac56feb7930b575668d20f31285d83da95893;hp=0000000000000000000000000000000000000000;hpb=481423bac9915a431020b5e5e7672300d4adb3b0;p=blerg.git

diff --git a/m4/yajl.m4 b/m4/yajl.m4
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+# ===========================================================================
+#       URL
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CHECK_YAJL()
+#
+# DESCRIPTION
+#
+#
+# LICENSE
+#
+#   Copyright (c) 2011 Boris Manojlovic <boris@steki.net>
+#
+#   This program is free software; you can redistribute it and/or modify it
+#   under the terms of the GNU General Public License as published by the
+#   Free Software Foundation; either version 2 of the License, or (at your
+#   option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+#   Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright owner
+#   gives unlimited permission to copy, distribute and modify the configure
+#   scripts that are the output of Autoconf when processing the Macro. You
+#   need not follow the terms of the GNU General Public License when using
+#   or distributing such scripts, even though portions of the text of the
+#   Macro appear in them. The GNU General Public License (GPL) does govern
+#   all other use of the material that constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the Autoconf
+#   Macro released by the Autoconf Archive. When you make and distribute a
+#   modified version of the Autoconf Macro, you may extend this special
+#   exception to the GPL to apply to your modified version as well.
+
+#serial 1
+
+AU_ALIAS([CHECK_YAJL], [AX_CHECK_YAJL])
+AC_DEFUN([AX_CHECK_YAJL],
+#
+# Handle user hints
+#
+[AC_ARG_WITH(yajl,
+[
+  --with-yajl=DIR root directory path of yajl installation [defaults to
+                    /usr/local or /usr if not found in /usr/local]
+  --without-yajl to disable yajl usage completely],
+[
+if test "$withval" != "no"; then
+	if test -d "$withval" ; then
+		WANT_YAJL="yes"
+		yajl_places="$withval"
+	else
+		AC_MSG_WARN([Sorry, $withval does not exist])
+	fi
+fi
+],[
+dnl just provide default places where it most probably could be found
+yajl_places="/usr/local /usr /opt/local /sw"
+])
+
+#
+# Locate yajl
+#
+
+if test -n "$yajl_places" ; then
+	# check the user supplied or any other more or less 'standard' place:
+	for YAJL_HOME in ${yajl_places} ; do
+	  if test -f "${YAJL_HOME}/include/yajl/yajl_parse.h"; then break; fi
+	  YAJL_HOME=""
+	done
+
+	# if yajl.h was nowhere to be found, give a notice and bail out
+	if test ! -n "${YAJL_HOME}"; then
+          AC_MSG_ERROR(No yajl.h in any include directory of ${yajl_places}: either specify a valid yajl installation with --with-yajl=DIR or disable yajl usage with --without-yajl)
+	fi
+
+        AC_LANG_SAVE
+        AC_LANG_C
+        AC_CHECK_LIB(yajl, yajl_parse, [yajl_cv_libyajl=yes], [yajl_cv_libyajl=no])
+        AC_CHECK_HEADER(yajl/yajl_parse.h, [yajl_cv_yajl_parse_h=yes], [yajl_cv_yajl_parse_h=no])
+        AC_LANG_RESTORE
+	YAJL_LIBS="-lyajl"
+	YAJL_CFLAGS="-I${YAJL_HOME}/include"
+        if test "$yajl_cv_libyajl" != "yes" -a "$yajl_cv_yajl_parse_h" != "yes"
+        then
+                # If either header or library was not found, revert and bomb
+                AC_MSG_ERROR(either specify a valid yajl installation with --with-yajl=DIR or disable yajl usage with --without-yajl)
+        fi
+fi
+AC_SUBST(YAJL_LIBS)
+AC_SUBST(YAJL_CFLAGS)
+AC_SUBST(YAJL_LDFLAGS) dnl no really use for this library
+])