? build
? pylash/.cvsignore
Index: acinclude.m4
===================================================================
RCS file: /sources/lash/lash/acinclude.m4,v
retrieving revision 1.1
diff -u -r1.1 acinclude.m4
--- acinclude.m4	9 Apr 2007 01:16:52 -0000	1.1
+++ acinclude.m4	9 Apr 2007 03:07:57 -0000
@@ -57,3 +57,28 @@
         fi
         AC_SUBST([SWIG_LIB])
 ])
+
+dnl a macro to check for ability to create python extensions
+dnl  AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
+dnl function also defines PYTHON_INCLUDES
+AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
+[AC_REQUIRE([AM_PATH_PYTHON])
+AC_MSG_CHECKING(for headers required to compile python extensions)
+dnl deduce PYTHON_INCLUDES
+py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
+py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
+PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
+if test "$py_prefix" != "$py_exec_prefix"; then
+  PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
+fi
+AC_SUBST(PYTHON_INCLUDES)
+dnl check if the headers exist:
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
+AC_TRY_CPP([#include <Python.h>],dnl
+[AC_MSG_RESULT(found)
+$1],dnl
+[AC_MSG_RESULT(not found)
+$2])
+CPPFLAGS="$save_CPPFLAGS"
+])
Index: configure.ac
===================================================================
RCS file: /sources/lash/lash/configure.ac,v
retrieving revision 1.19
diff -u -r1.19 configure.ac
--- configure.ac	9 Apr 2007 02:38:53 -0000	1.19
+++ configure.ac	9 Apr 2007 03:07:57 -0000
@@ -155,17 +155,27 @@
 ###  pylash  ###
 ################
 
-AM_PATH_PYTHON(2.3,python_found=yes,python_found=no)
-
 build_pylash=no
 
-if test x$python_found == xyes; then
-  AC_PROG_SWIG(1.3.31)
-  if test "$SWIG_LIB" ; then
-    build_pylash=yes
+AC_ARG_ENABLE(pylash, [AS_HELP_STRING(--disable-pylash, [Force disable pylash building [default=no]])], [ build_pylash="disabled" ])
+
+if test x$build_pylash != xdisabled; then
+  AM_PATH_PYTHON(2.3, python_found=yes, python_found=no)
+
+  if test x$python_found == xyes; then
+    AM_CHECK_PYTHON_HEADERS(, python_found=no)
+
+    if test x$python_found == xyes; then
+      AC_PROG_SWIG(1.3.31)
+      if test "$SWIG_LIB" ; then
+        build_pylash=yes
+      fi
+    fi
   fi
 fi
 
+AM_CONDITIONAL(BUILD_PYLASH, test x$build_pylash = xyes)
+
 ######################
 ### --enable-debug ###
 ######################
Index: pylash/Makefile.am
===================================================================
RCS file: /sources/lash/lash/pylash/Makefile.am,v
retrieving revision 1.1
diff -u -r1.1 Makefile.am
--- pylash/Makefile.am	9 Apr 2007 01:16:13 -0000	1.1
+++ pylash/Makefile.am	9 Apr 2007 03:07:57 -0000
@@ -19,6 +19,8 @@
 
 pkgpyexecdir = $(pythondir)
 
+if BUILD_PYLASH
+
 pkgpyexec_LTLIBRARIES = _lash.la
 
 INCLUDES = $(PYTHON_INCLUDES)
@@ -35,3 +37,4 @@
 
 lash_wrap.c lash.py: lash.i lash.h
 	$(SWIG) -o lash_wrap.c -I$(top_srcdir) -python $(top_srcdir)/$(subdir)/lash.i
+endif