From 2b37bea010a9c9333a813cc77d28629e1382c0be Mon Sep 17 00:00:00 2001
From: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Date: Fri, 21 Nov 2014 08:53:21 +0100
Subject: configure: require python mako module

It is now a hard dependency because of the autogeneration of
format pack and unpack functions.

Update the documentation to reflect this change.

v2:
- Inline python script in m4 file and use PYTHON2

v3:

- Remove semicolons and quotes and change coding style
- Add Ilia Mirkin suggestion to use Python's split functionality.
- Use AX_CHECK_PYTHON_MAKO_MODULE name.
- Change to MIT license

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
---
 configure.ac                      |  2 ++
 docs/install.html                 |  6 +++-
 m4/ax_check_python_mako_module.m4 | 61 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 1 deletion(-)
 create mode 100644 m4/ax_check_python_mako_module.m4

diff --git a/configure.ac b/configure.ac
index c8723ef26cf..d4cf4b8c0b3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -76,6 +76,8 @@ if test "x$INDENT" != "xcat"; then
     AC_SUBST(INDENT_FLAGS, '-i4 -nut -br -brs -npcs -ce -TGLubyte -TGLbyte -TBool')
 fi
 
+AX_CHECK_PYTHON_MAKO_MODULE(0.7.3)
+
 AC_PROG_INSTALL
 
 dnl We need a POSIX shell for parts of the build. Assume we have one
diff --git a/docs/install.html b/docs/install.html
index f12425fcb68..b12e1cb8cd9 100644
--- a/docs/install.html
+++ b/docs/install.html
@@ -38,6 +38,10 @@
 Version 2.6.4 or later should work.
 </li>
 <br>
+<li><a href="http://www.makotemplates.org/">Python Mako module</a> -
+Python Mako module is required. Version 0.7.3 or later should work.
+</li>
+</br>
 <li><a href="http://www.scons.org/">SCons</a> is required for building on
 Windows and optional for Linux (it's an alternative to autoconf/automake.)
 </li>
@@ -78,7 +82,7 @@ the needed dependencies:
 <pre>
   sudo yum install flex bison imake libtool xorg-x11-proto-devel libdrm-devel \
   gcc-c++ xorg-x11-server-devel libXi-devel libXmu-devel libXdamage-devel git \
-  expat-devel llvm-devel
+  expat-devel llvm-devel python-mako
 </pre>
 
 
diff --git a/m4/ax_check_python_mako_module.m4 b/m4/ax_check_python_mako_module.m4
new file mode 100644
index 00000000000..2fc029b9a2b
--- /dev/null
+++ b/m4/ax_check_python_mako_module.m4
@@ -0,0 +1,61 @@
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CHECK_PYTHON_MAKO_MODULE(MIN_VERSION_NUMBER)
+#
+# DESCRIPTION
+#
+#   Check whether Python mako module is installed and its version higher than
+#   minimum requested.
+#
+#   Example of its use:
+#
+#   For example, the minimum mako version would be 0.7.3. Then configure.ac
+#   would contain:
+#
+#   AX_CHECK_PYTHON_MAKO_MODULE(0.7.3)
+#
+# LICENSE
+#
+#   Copyright (c) 2014 Intel Corporation.
+#
+#   Permission is hereby granted, free of charge, to any person obtaining a copy
+#   of this software and associated documentation files (the "Software"), to
+#   deal in the Software without restriction, including without limitation the
+#   rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+#   sell copies of the Software, and to permit persons to whom the Software is
+#   furnished to do so, subject to the following conditions:
+#
+#   The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+#   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+#   IN THE SOFTWARE.
+
+dnl macro that checks for mako module in python
+AC_DEFUN([AX_CHECK_PYTHON_MAKO_MODULE],
+[AC_MSG_CHECKING(if module mako in python is installed)
+    echo "
+try:
+    import sys
+    import mako
+except ImportError as err:
+    sys.exit(err)
+else:
+    ver_req = map(int, '$1'.split('.'))
+    ver_act = map(int, mako.__version__.split('.'))
+    sys.exit(int(ver_req > ver_act))
+    " | $PYTHON2 -
+
+    if test $? -ne 0 ; then
+       AC_MSG_ERROR(mako $1 or later is required.)
+    else
+        AC_MSG_RESULT(yes)
+    fi
+])
-- 
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