Split acinclude.m4 into separate files in m4/

Drop AM_CHECK_PYTHON_HEADERS (no longer used) and split the others
according to their upstreams.

Otherwise, compiler.m4 won't get included in tarballs.

2 files changed, 49 insertions, 78 deletions

diff --git a/m4/as-ac-expand.m4 b/m4/as-ac-expand.m4
new file mode 100644
index 00000000..deebd2bf
--- /dev/null
+++ b/m4/as-ac-expand.m4
@@ -0,0 +1,49 @@
+dnl as-ac-expand.m4 0.2.0                                   -*- autoconf -*-
+dnl autostars m4 macro for expanding directories using configure's prefix
+
+dnl (C) 2003, 2004, 2005 Thomas Vander Stichele <thomas at apestaart dot org>
+
+dnl Copying and distribution of this file, with or without modification,
+dnl are permitted in any medium without royalty provided the copyright
+dnl notice and this notice are preserved.
+
+dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR)
+
+dnl example:
+dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
+dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local
+
+AC_DEFUN([AS_AC_EXPAND],
+[
+  EXP_VAR=[$1]
+  FROM_VAR=[$2]
+
+  dnl first expand prefix and exec_prefix if necessary
+  prefix_save=$prefix
+  exec_prefix_save=$exec_prefix
+
+  dnl if no prefix given, then use /usr/local, the default prefix
+  if test "x$prefix" = "xNONE"; then
+    prefix="$ac_default_prefix"
+  fi
+  dnl if no exec_prefix given, then use prefix
+  if test "x$exec_prefix" = "xNONE"; then
+    exec_prefix=$prefix
+  fi
+
+  full_var="$FROM_VAR"
+  dnl loop until it doesn't change anymore
+  while true; do
+    new_full_var="`eval echo $full_var`"
+    if test "x$new_full_var" = "x$full_var"; then break; fi
+    full_var=$new_full_var
+  done
+
+  dnl clean up
+  full_var=$new_full_var
+  AC_SUBST([$1], "$full_var")
+
+  dnl restore prefix and exec_prefix
+  prefix=$prefix_save
+  exec_prefix=$exec_prefix_save
+])
diff --git a/acinclude.m4 b/m4/pkg.m4
index b2889253..64be7479 100644
--- a/acinclude.m4
+++ b/m4/pkg.m4
@@ -153,81 +153,3 @@ else
 	ifelse([$3], , :, [$3])
 fi[]dnl
 ])# PKG_CHECK_MODULES
-
-
-
-dnl a macro to check for ability to create python extensions
-dnl  AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
-dnl function also defines PYTHON_INCLUDES
-AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
-[AC_REQUIRE([AM_PATH_PYTHON])
-AC_MSG_CHECKING(for headers required to compile python extensions)
-dnl deduce PYTHON_INCLUDES
-py_prefix=`$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"
-])
-
-
-dnl as-ac-expand.m4 0.2.0                                   -*- autoconf -*-
-dnl autostars m4 macro for expanding directories using configure's prefix
-
-dnl (C) 2003, 2004, 2005 Thomas Vander Stichele <thomas at apestaart dot org>
-
-dnl Copying and distribution of this file, with or without modification,
-dnl are permitted in any medium without royalty provided the copyright
-dnl notice and this notice are preserved.
-
-dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR)
-
-dnl example:
-dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
-dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local
-
-AC_DEFUN([AS_AC_EXPAND],
-[
-  EXP_VAR=[$1]
-  FROM_VAR=[$2]
-
-  dnl first expand prefix and exec_prefix if necessary
-  prefix_save=$prefix
-  exec_prefix_save=$exec_prefix
-
-  dnl if no prefix given, then use /usr/local, the default prefix
-  if test "x$prefix" = "xNONE"; then
-    prefix="$ac_default_prefix"
-  fi
-  dnl if no exec_prefix given, then use prefix
-  if test "x$exec_prefix" = "xNONE"; then
-    exec_prefix=$prefix
-  fi
-
-  full_var="$FROM_VAR"
-  dnl loop until it doesn't change anymore
-  while true; do
-    new_full_var="`eval echo $full_var`"
-    if test "x$new_full_var" = "x$full_var"; then break; fi
-    full_var=$new_full_var
-  done
-
-  dnl clean up
-  full_var=$new_full_var
-  AC_SUBST([$1], "$full_var")
-
-  dnl restore prefix and exec_prefix
-  prefix=$prefix_save
-  exec_prefix=$exec_prefix_save
-])