Remove orc.m4 and stop shipping it

If there are still any autotools projects that use this,
they can just copy it into their source tree instead.

Part-of: <https://gitlab.freedesktop.org/gstreamer/orc/-/merge_requests/168>

3 files changed, 6 insertions, 73 deletions

diff --git a/RELEASE b/RELEASE
index d352354..1faa057 100644
--- a/RELEASE
+++ b/RELEASE
@@ -1,3 +1,9 @@
+0.4.38 (unreleased)
+======
+
+- orc.m4 for autotools is no longer shipped. If anyone still uses
+  it they can copy it into their source tree.
+
 0.4.37
 ======
 
diff --git a/meson.build b/meson.build
index 786a060..1743658 100644
--- a/meson.build
+++ b/meson.build
@@ -209,9 +209,6 @@ pkg.generate (orc_lib,
   extra_cflags: orc_dep_cargs,
   libraries_private : orc_dependencies)
 
-# Install m4 macro that other projects use
-install_data('orc.m4', install_dir : 'share/aclocal')
-
 configure_file(output : 'config.h', configuration : cdata)
 
 # summary
diff --git a/orc.m4 b/orc.m4
deleted file mode 100644
index 26b2459..0000000
--- a/orc.m4
+++ /dev/null
@@ -1,70 +0,0 @@
-dnl pkg-config-based checks for Orc
-
-dnl specific:
-dnl ORC_CHECK([REQUIRED_VERSION])
-
-AC_DEFUN([ORC_CHECK],
-[
-  ORC_REQ=ifelse([$1], , "0.4.6", [$1])
-
-  AC_ARG_ENABLE(orc,
-  AC_HELP_STRING([--enable-orc],[use Orc if installed]),
-  [case "${enableval}" in
-    auto) enable_orc=auto ;;
-    yes) enable_orc=yes ;;
-    no)  enable_orc=no ;;
-    *) AC_MSG_ERROR(bad value ${enableval} for --enable-orc) ;;
-  esac
-  ],
-  [enable_orc=auto]) dnl Default value
-
-  if test "x$enable_orc" != "xno" ; then
-    PKG_CHECK_MODULES(ORC, orc-0.4 >= $ORC_REQ, [
-      AC_DEFINE(HAVE_ORC, 1, [Use Orc])
-      HAVE_ORC=yes
-      if test "x$ORCC" = "x" ; then
-        AC_MSG_CHECKING(for usable orcc)
-        ORCC=`$PKG_CONFIG --variable=orcc orc-0.4`
-        dnl check whether the orcc found by pkg-config can be run from the build environment
-        dnl if this is not the case (e.g. when cross-compiling) fall back to orcc from PATH
-        AS_IF([$ORCC --version 1> /dev/null 2> /dev/null], [], [ORCC=`which orcc`])
-        AC_MSG_RESULT($ORCC)
-      fi
-      AC_SUBST(ORCC)
-      ORCC_FLAGS="--compat $ORC_REQ"
-      AC_SUBST(ORCC_FLAGS)
-      AS_IF([test "x$ORCC" = "x"], [HAVE_ORCC=no], [HAVE_ORCC=yes])
-    ], [
-      if test "x$enable_orc" = "xyes" ; then
-        AC_MSG_ERROR([--enable-orc specified, but Orc >= $ORC_REQ not found])
-      fi
-      AC_DEFINE(DISABLE_ORC, 1, [Disable Orc])
-      HAVE_ORC=no
-      HAVE_ORCC=no
-    ])
-  else
-    AC_DEFINE(DISABLE_ORC, 1, [Disable Orc])
-    HAVE_ORC=no
-    HAVE_ORCC=no
-  fi
-  AM_CONDITIONAL(HAVE_ORC, [test "x$HAVE_ORC" = "xyes"])
-  AM_CONDITIONAL(HAVE_ORCC, [test "x$HAVE_ORCC" = "xyes"])
-
-]))
-
-AC_DEFUN([ORC_OUTPUT],
-[
-  if test "$HAVE_ORC" = yes ; then
-    printf "configure: *** Orc acceleration enabled.\n"
-  else
-    if test "x$enable_orc" = "xno" ; then
-      printf "configure: *** Orc acceleration disabled by --disable-orc.  Slower code paths\n"
-      printf "               will be used.\n"
-    else
-      printf "configure: *** Orc acceleration disabled.  Requires Orc >= $ORC_REQ, which was\n"
-      printf "               not found.  Slower code paths will be used.\n"
-    fi
-  fi
-  printf "\n"
-])
-