Autotools cleanup and manpage.

1 files changed, 351 insertions, 332 deletions

diff --git a/configure.ac b/configure.ac
index c768727..9ee8234 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,3 @@
-# Filename: configure.in
-
 AC_INIT([drumgizmo], m4_esyscmd([cat version.h | cut -d'"' -f2 | xargs echo -n]))dnl"
 
 AC_CONFIG_SRCDIR([src/drumgizmo.cc])
@@ -20,12 +18,15 @@ dnl ======================
 PKG_PROG_PKG_CONFIG(0.23)
 
 HUGIN_PARM="-DDISABLE_HUGIN"
-AC_ARG_WITH(debug,  [  --with-debug            Build with debug support])
-if test x$with_debug == xyes; then
-    AC_MSG_WARN([*** Building with debug support!])
-    CXXFLAGS="$CXXFLAGS -Wall -Werror -g"
-    HUGIN_PARM=""
-fi 
+AC_ARG_WITH([debug],
+	AS_HELP_STRING([--with-debug], [Build with debug support]))
+
+AS_IF([test "x$with_debug" == "xyes"],
+      [AC_MSG_WARN([*** Building with debug support!])
+	     CXXFLAGS="$CXXFLAGS -Wall -Werror -g"
+	     HUGIN_PARM=""]
+)
+
 CXXFLAGS="$CXXFLAGS $HUGIN_PARM"
 
 dnl ===========================
@@ -33,57 +34,45 @@ dnl Check for GUI backend
 dnl ===========================
 AC_CANONICAL_HOST
 AC_ARG_ENABLE([gui],
-[  --enable-gui[=backend]   Use specified gui backend. Can be win32, x11, pugl or auto [default=auto]],,
+	AS_HELP_STRING([--enable-gui[=backend]], [Use specified gui backend. Can be win32, x11, pugl or auto [default=auto]]),,
         [enable_gui="auto"])
 
-if test "x$enable_gui" = "xyes"; then
-  enable_gui="auto"
-fi
-
-if test "x$enable_gui" = "xauto"; then
-  AC_MSG_RESULT([Auto setting gui based on host: $host_os])
-  case $host_os in
-    darwin* )
-					enable_gui=""					
-          ;;
-    linux*|*BSD*)
-					enable_gui="x11"
-          ;;
-    mingw*|windows*|winnt|cygwin)
-					enable_gui="win32"
-          ;;
-		*)
-          AC_MSG_ERROR([Your platform is not currently supported])
-          ;;
-  esac
-fi
-
-if test "x$enable_gui" = "xx11"; then
-  AC_MSG_RESULT([Setting gui backend to X11])
-
-	dnl ======================
+AS_IF([test "x$enable_gui" = "xyes"], [enable_gui="auto"])
+
+AS_IF([test "x$enable_gui" = "xauto"],
+      [AC_MSG_RESULT([Auto setting gui based on host: $host_os])
+	     AS_CASE([$host_os],
+		      [darwin*], [enable_gui=""],
+		      [linux*|*BSD*], [enable_gui="x11"],
+		      [mingw*|windows*|winnt|cygwin], [enable_gui="win32"],
+
+		      AC_MSG_ERROR([Your platform is not currently supported])
+	     )]
+)
+
+AS_IF(
+  [test "x$enable_gui" = "xx11"],
+  [AC_MSG_RESULT([Setting gui backend to X11])
+  dnl ======================
   dnl Check for Xlib
   dnl ======================
   PKG_CHECK_MODULES(X11, x11 >= 1.0)
 
   GUI_CFLAGS="-DX11 $X11_CFLAGS"
-  GUI_LIBS="$X11_LIBS"
-
-elif test "x$enable_gui" = "xwin32"; then
+  GUI_LIBS="$X11_LIBS"],
 
-  AC_MSG_RESULT([Setting gui backend to Win32])
+  [test "x$enable_gui" = "xwin32"],
+  [AC_MSG_RESULT([Setting gui backend to Win32])
   GUI_CFLAGS="-DWIN32"
-  GUI_LIBS="-lgdi32 -lsetupapi -lws2_32"
-
-elif test "x$enable_gui" = "xpugl"; then
+  GUI_LIBS="-lgdi32 -lsetupapi -lws2_32"],
 
-  AC_MSG_RESULT([Setting gui backend to Pugl])
+  [test "x$enable_gui" = "xpugl"],
+  [AC_MSG_RESULT([Setting gui backend to Pugl])
   GUI_CFLAGS="-DPUGL -I../../pugl"
-  GUI_LIBS="-lGLU -lGL -lglut"
+  GUI_LIBS="-lGLU -lGL -lglut"],
 
-else 
   AC_MSG_ERROR([*** No GUI backend has been selected ***])
-fi
+)
 
 AC_SUBST(GUI_CFLAGS)
 AC_SUBST(GUI_LIBS)
@@ -93,49 +82,58 @@ AM_CONDITIONAL([ENABLE_PUGL], [test "x$enable_gui" = "xpugl"])
 dnl ======================
 dnl Compile unit tests
 dnl ======================
-AC_ARG_WITH(test,  [  --with-test             Build unit tests])
-if test x$with_test == xyes; then
-    AC_MSG_WARN([*** Building unittests!])
-		AM_PATH_CPPUNIT(1.9.6)
-		AC_CONFIG_FILES(test/Makefile)
-fi 
+AC_ARG_WITH([test],
+	AS_HELP_STRING([--with-test], [Build unit tests]))
+
+AS_IF([test x$with_test == xyes],
+      [AC_MSG_WARN([*** Building unittests!])
+       AM_PATH_CPPUNIT(1.9.6)
+       AC_CONFIG_FILES(test/Makefile)]
+)
 
 dnl ======================
 dnl Compile LV2 plugin
 dnl ======================
 AC_ARG_ENABLE([lv2],
-[  --enable-lv2   Compile the LV2 plugin [default=no]],,
+	AS_HELP_STRING([--enable-lv2], [Compile the LV2 plugin [default=no]]),,
         [enable_lv2="no"])
-if test "x$enable_lv2" = "xyes"; then
-	 enable_lv2=yes 
-   dnl ======================
-   dnl Check for lv2core
-   dnl ======================
-   PKG_CHECK_MODULES(LV2, lv2 >= 1.0)
-else
-	 AC_MSG_RESULT([*** LV2 plugin will not be compiled ***])
-   enable_lv2=no
-fi
+
+AS_IF(
+  [test "x$enable_lv2" = "xyes"],
+  [enable_lv2=yes
+  dnl ======================
+  dnl Check for lv2core
+  dnl ======================
+  PKG_CHECK_MODULES(LV2, lv2 >= 1.0)],
+
+  [AC_MSG_RESULT([*** LV2 plugin will not be compiled ***])
+   enable_lv2=no]
+)
+
 AM_CONDITIONAL([ENABLE_LV2], [test "x$enable_lv2" = "xyes"])
 
 dnl ======================
 dnl Compile VST plugin
 dnl ======================
-AC_ARG_WITH(vst_sources,  [  --with-vst-sources         Point this to the vstsdk24 directory])
+AC_ARG_WITH([vst_sources],
+	AS_HELP_STRING([--with-vst-sources], [Point this to the vstsdk24 directory]))
 AC_ARG_ENABLE([vst],
-[  --enable-vst   Compile the VST plugin [default=no]],,
+	AS_HELP_STRING([--enable-vst], [Compile the VST plugin [default=no]]),,
         [enable_vst="no"])
-if test "x$enable_vst" = "xyes"; then
-	 enable_vst=yes
-	 VST_CPPFLAGS="-I$with_vst_sources -D__int64='long long int'"
-	 VST_SOURCE_PATH="$with_vst_sources"
-	 AC_SUBST(VST_SOURCE_PATH)
-	 AC_SUBST(VST_CPPFLAGS)
-   AC_CONFIG_FILES(vst/Makefile.mingw32)
-else
-	 AC_MSG_RESULT([*** VST plugin will not be compiled ***])
-   enable_vst=no
-fi
+
+AS_IF(
+  [test "x$enable_vst" = "xyes"],
+  [enable_vst=yes
+  VST_CPPFLAGS="-I$with_vst_sources -D__int64='long long int'"
+  VST_SOURCE_PATH="$with_vst_sources"
+  AC_SUBST(VST_SOURCE_PATH)
+  AC_SUBST(VST_CPPFLAGS)
+  AC_CONFIG_FILES(vst/Makefile.mingw32)],
+
+  [AC_MSG_RESULT([*** VST plugin will not be compiled ***])
+   enable_vst=no]
+)
+
 AM_CONDITIONAL([ENABLE_VST], [test "x$enable_vst" = "xyes"])
 
 
@@ -146,7 +144,7 @@ dnl ======================
 #[  --enable-au   Compile the audio units plugin [default=no]],,
 #        [enable_au="no"])
 #if test "x$enable_au" = "xyes"; then
-#	 enable_au=yes 
+#	 enable_au=yes
 #else
 #	 AC_MSG_RESULT([*** Audio Units plugin will not be compiled ***])
 #   enable_au=no
@@ -157,148 +155,166 @@ dnl ======================
 dnl Compile cli client
 dnl ======================
 AC_ARG_ENABLE([cli],
-[  --enable-cli   Compile the command line interface [default=yes]],,
+	AS_HELP_STRING([--enable-cli], [Compile the command line interface [default=yes]]),,
         [enable_cli="yes"])
-if test "x$enable_cli" = "xyes"; then
-	 enable_cli=yes 
 
-   dnl ======================
-   dnl Check for getopt
-   dnl ======================
-   AC_CHECK_HEADERS(getopt.h)
-   
-   dnl ***
-   dnl *** Input plugins
-   dnl ***
-   
-   dnl *** Dummy
-   AC_ARG_ENABLE([input_dummy],
-   [  --disable-input-dummy       Disable input dummy plugin [default=enabled]],,
+AS_IF(
+  [test "x$enable_cli" = "xyes"],
+  [enable_cli=yes
+
+  dnl ======================
+  dnl Check for getopt
+  dnl ======================
+  AC_CHECK_HEADERS(getopt.h)
+
+  dnl ***
+  dnl *** Input plugins
+  dnl ***
+
+  dnl *** Dummy
+  AC_ARG_ENABLE([input_dummy],
+		AS_HELP_STRING([--disable-input-dummy], [Disable input dummy plugin [default=enabled]]),,
            [enable_input_dummy="yes"])
-   if test "x$enable_input_dummy" = "xyes"; then
-   	 have_input_dummy=yes 
-   else
-   	 AC_MSG_RESULT([*** input dummy plugin disabled per user request ***])
-      have_input_dummy=no
-   fi
+
+  AS_IF(
+    [test "x$enable_input_dummy" = "xyes"],
+    [have_input_dummy=yes],
+
+    [AC_MSG_RESULT([*** input dummy plugin disabled per user request ***])
+     have_input_dummy=no]
+  )
    
-   dnl *** Test
-   AC_ARG_ENABLE([input_test],
-   [  --disable-input-test        Disable input test plugin [default=enabled]],,
+  dnl *** Test
+  AC_ARG_ENABLE([input_test],
+		AS_HELP_STRING([--disable-input-test], [Disable input test plugin [default=enabled]]),,
            [enable_input_test="yes"])
-   if test "x$enable_input_test" = "xyes"; then
-   	 have_input_test=yes 
-   else
-   	 AC_MSG_RESULT([*** input test plugin disabled per user request ***])
-      have_input_test=no
-   fi
-   
-   dnl *** Jackmidi
-   AC_ARG_ENABLE([input_jackmidi],
-   [  --disable-input-jackmidi    Disable input jackmidi plugin [default=enabled]],,
+
+  AS_IF(
+    [test "x$enable_input_test" = "xyes"],
+    [have_input_test=yes],
+
+    [AC_MSG_RESULT([*** input test plugin disabled per user request ***])
+    have_input_test=no]
+  )
+
+  dnl *** Jackmidi
+  AC_ARG_ENABLE([input_jackmidi],
+    AS_HELP_STRING([--disable-input-jackmidi], [Disable input jackmidi plugin [default=enabled]]),,
            [enable_input_jackmidi="yes"])
-   if test "x$enable_input_jackmidi" = "xyes"; then
-   	 have_input_jackmidi=yes 
-		 need_jack=yes
-   else
-   	 AC_MSG_RESULT([*** input jackmidi plugin disabled per user request ***])
-      have_input_jackmidi=no
-   fi
-   
-   dnl *** Midifile
-   AC_ARG_ENABLE([input_midifile],
-   [  --disable-input-midifile    Disable input midifile plugin [default=enabled]],,
+
+  AS_IF(
+    [test "x$enable_input_jackmidi" = "xyes"],
+    [have_input_jackmidi=yes
+    need_jack=yes],
+
+    [AC_MSG_RESULT([*** input jackmidi plugin disabled per user request ***])
+    have_input_jackmidi=no]
+  )
+
+  dnl *** Midifile
+  AC_ARG_ENABLE([input_midifile],
+		AS_HELP_STRING([--disable-input-midifile], [Disable input midifile plugin [default=enabled]]),,
            [enable_input_midifile="yes"])
-   if test "x$enable_input_midifile" = "xyes"; then
-   	 have_input_midifile=yes
-   	 dnl ======================
-   	 dnl Check for libsmf
-   	 dnl ======================
-   	 PKG_CHECK_MODULES(SMF, smf >= 1.2)
-   else
-   	 AC_MSG_RESULT([*** input midifile plugin disabled per user request ***])
-      have_input_midifile=no
-   fi   
-   
-   INPUT_PLUGINS="midifile jackmidi dummy test"
-   AC_SUBST(INPUT_PLUGINS)
-   
-   
-   dnl ***
-   dnl *** Output plugins
-   dnl ***
-   
-   dnl *** dummy
-   AC_ARG_ENABLE([output_dummy],
-   [  --disable-output-dummy      Disable output dummy plugin [default=enabled]],,
+
+  AS_IF(
+    [test "x$enable_input_midifile" = "xyes"],
+    [have_input_midifile=yes
+		 dnl ======================
+		 dnl Check for libsmf
+		 dnl ======================
+		 PKG_CHECK_MODULES(SMF, smf >= 1.2)],
+
+    [AC_MSG_RESULT([*** input midifile plugin disabled per user request ***])
+     have_input_midifile=no]
+  )
+
+  INPUT_PLUGINS="midifile jackmidi dummy test"
+  AC_SUBST(INPUT_PLUGINS)
+
+  dnl ***
+  dnl *** Output plugins
+  dnl ***
+
+  dnl *** dummy
+  AC_ARG_ENABLE([output_dummy],
+		AS_HELP_STRING([--disable-output-dummy], [Disable output dummy plugin [default=enabled]]),,
            [enable_output_dummy="yes"])
-   if test "x$enable_output_dummy" = "xyes"; then
-   	 have_output_dummy=yes 
-   else
-   	 AC_MSG_RESULT([*** output dummy plugin disabled per user request ***])
-      have_output_dummy=no
-   fi
-   
-   dnl *** Jackaudio
-   AC_ARG_ENABLE([output_jackaudio],
-   [  --disable-output-jackaudio  Disable output jack plugin [default=enabled]],,
+
+  AS_IF(
+    [test "x$enable_output_dummy" = "xyes"],
+    [have_output_dummy=yes],
+
+    [AC_MSG_RESULT([*** output dummy plugin disabled per user request ***])
+     have_output_dummy=no]
+  )
+
+  dnl *** Jackaudio
+  AC_ARG_ENABLE([output_jackaudio],
+		AS_HELP_STRING([--disable-output-jackaudio], [Disable output jack plugin [default=enabled]]),,
            [enable_output_jackaudio="yes"])
-   if test "x$enable_output_jackaudio" = "xyes"; then
-   	 have_output_jackaudio=yes 
-		 need_jack=yes
-   else
-   	 AC_MSG_RESULT([*** output jack plugin disabled per user request ***])
-      have_output_jackaudio=no
-   fi
-
-   dnl *** alsa
-   AC_ARG_ENABLE([output_alsa],
-   [  --disable-output-alsa       Disable output alsa plugin [default=enabled]],,
+
+  AS_IF(
+    [test "x$enable_output_jackaudio" = "xyes"],
+    [have_output_jackaudio=yes
+     need_jack=yes],
+
+    [AC_MSG_RESULT([*** output jack plugin disabled per user request ***])
+     have_output_jackaudio=no]
+  )
+
+  dnl *** alsa
+  AC_ARG_ENABLE([output_alsa],
+		AS_HELP_STRING([--disable-output-alsa], [Disable output alsa plugin [default=enabled]]),,
            [enable_output_alsa="yes"])
-   if test "x$enable_output_alsa" = "xyes"; then
-   	 have_output_alsa=yes 
-   	 dnl ======================
-   	 dnl Check for alsa library
-   	 dnl ======================
-   	 PKG_CHECK_MODULES(ALSA, alsa >= 1.0.18)
-   else
-   	 AC_MSG_RESULT([*** output alsa plugin disabled per user request ***])
-      have_output_alsa=no
-   fi
-   
-   dnl *** wavfile
-   AC_ARG_ENABLE([output_wavfile],
-   [  --disable-output-wavfile    Disable output wavfile plugin [default=enabled]],,
+
+  AS_IF(
+    [test "x$enable_output_alsa" = "xyes"],
+    [have_output_alsa=yes
+     dnl ======================
+     dnl Check for alsa library
+     dnl ======================
+     PKG_CHECK_MODULES(ALSA, alsa >= 1.0.18)],
+
+    [AC_MSG_RESULT([*** output alsa plugin disabled per user request ***])
+     have_output_alsa=no]
+  )
+
+  dnl *** wavfile
+  AC_ARG_ENABLE([output_wavfile],
+		AS_HELP_STRING([--disable-output-wavfile], [Disable output wavfile plugin [default=enabled]]),,
            [enable_output_wavfile="yes"])
-   if test "x$enable_output_wavfile" = "xyes"; then
-   	 have_output_wavfile=yes 
-   else
-   	 AC_MSG_RESULT([*** output wavfile plugin disabled per user request ***])
-      have_output_wavfile=no
-   fi
-   
-   OUTPUT_PLUGINS="dummy alsa wavfile jackaudio"
-   AC_SUBST(OUTPUT_PLUGINS)
-   
-   dnl
-   dnl Setup plugin paths
-   dnl
-   dgplugindir=${libdir}/drumgizmo
-   AC_SUBST([dgplugindir])
-   
-   INPUT_PLUGIN_DIR=${dgplugindir}/input
-   OUTPUT_PLUGIN_DIR=${dgplugindir}/output
-   AC_SUBST([INPUT_PLUGIN_DIR])
-   AC_SUBST([OUTPUT_PLUGIN_DIR])
-   
-   AC_DEFINE_UNQUOTED(INPUT_PLUGIN_DIR, "${prefix}/lib/drumgizmo/input",
-     [Input plugin dir])
-   AC_DEFINE_UNQUOTED(OUTPUT_PLUGIN_DIR, "${prefix}/lib/drumgizmo/output",
-     [Output plugin dir])
-else
-	 AC_MSG_RESULT([*** Command line interface disabled per user request ***])
-   enable_cli=no
-fi
+
+  AS_IF(
+    [test "x$enable_output_wavfile" = "xyes"],
+    [have_output_wavfile=yes],
+
+    [AC_MSG_RESULT([*** output wavfile plugin disabled per user request ***])
+     have_output_wavfile=no]
+  )
+
+  OUTPUT_PLUGINS="dummy alsa wavfile jackaudio"
+  AC_SUBST(OUTPUT_PLUGINS)
+
+  dnl
+  dnl Setup plugin paths
+  dnl
+  dgplugindir=${libdir}/drumgizmo
+  AC_SUBST([dgplugindir])
+
+  INPUT_PLUGIN_DIR=${dgplugindir}/input
+  OUTPUT_PLUGIN_DIR=${dgplugindir}/output
+  AC_SUBST([INPUT_PLUGIN_DIR])
+  AC_SUBST([OUTPUT_PLUGIN_DIR])
+
+  AC_DEFINE_UNQUOTED(INPUT_PLUGIN_DIR, "${libdir}/drumgizmo/input",
+    [Input plugin dir])
+  AC_DEFINE_UNQUOTED(OUTPUT_PLUGIN_DIR, "${libdir}/drumgizmo/output",
+    [Output plugin dir])],
+
+  [AC_MSG_RESULT([*** Command line interface disabled per user request ***])
+   enable_cli=no]
+)
+
 AM_CONDITIONAL([ENABLE_CLI], [test "x$enable_cli" == "xyes"])
 AM_CONDITIONAL([HAVE_INPUT_DUMMY], [test "x$have_input_dummy" = "xyes"])
 AM_CONDITIONAL([HAVE_INPUT_TEST], [test "x$have_input_test" = "xyes"])
@@ -317,81 +333,82 @@ PKG_CHECK_MODULES(SNDFILE, sndfile >= 1.0.20)
 
 
 AC_ARG_ENABLE([resampler],
-[  --enable-resampler[=lib]   Enable resampler using either 'zita' or 'src' (libsamplerate). Use 'auto' for autodetect [default=auto]],,
+	AS_HELP_STRING([--enable-resampler[=lib]], [Enable resampler using either 'zita' or 'src' (libsamplerate). Use 'auto' for autodetect [default=auto]]),,
         [enable_resampler="auto"])
-if test "x$enable_resampler" = "xyes"; then
-  enable_resampler="auto"
-fi
+
+AS_IF([test "x$enable_resampler" = "xyes"], [enable_resampler="auto"])
 
 has_src=no
 has_zita=no
-if test x$enable_resampler != xno; then
-   AC_MSG_WARN([*** Building resample support!])
-   AC_DEFINE(WITH_RESAMPLER, [], [Use resample])
-
-  if test x$enable_resampler == xauto || test x$enable_resampler == xsrc; then
-    dnl ======================
-    dnl Check for libsamplerate
-    dnl ======================
-    PKG_CHECK_MODULES(SAMPLERATE, samplerate >= 0.1.7, has_src=yes, has_src=no)
-  fi
-
-  if test x$enable_resampler == xauto || test x$enable_resampler == xzita; then
-    dnl ======================
-    dnl Check for the zitaresampler library
-    dnl ======================
-    AC_LANG_PUSH([C++])
-    tmp_CXXFLAGS="$CXXFLAGS"
-    tmp_CPPFLAGS="$CPPFLAGS"
-    tmp_CFLAGS="$CFLAGS"
-    tmp_LDFLAGS="$LDFLAGS"
-    tmp_LIBS="$LIBS"
-    CXXFLAGS=""
-    CPPFLAGS="$ZITA_CPPFLAGS"
-    CFLAGS=""
-    LDFLAGS="$ZITA_LDFLAGS"
-    LIBS="-lzita-resampler -lpthread"
-    AC_LINK_IFELSE(
-      [AC_LANG_PROGRAM([#include <zita-resampler/resampler.h>],
-        [Resampler r] ) ], has_zita=yes, has_zita=no)
-    ZITA_CPPFLAGS="$CXXFLAGS $CPPFLAGS $CFLAGS"
-    ZITA_LIBS="$LDFLAGS $LIBS"
-    CXXFLAGS="$tmp_CXXFLAGS"
-    CPPFLAGS="$tmp_CPPFLAGS"
-    CFLAGS="$tmp_CFLAGS"
-    LDFLAGS="$tmp_LDFLAGS"
-    LIBS="$tmp_LIBS"
-    AC_SUBST(ZITA_CPPFLAGS)
-    AC_SUBST(ZITA_LIBS)
-    AC_LANG_POP([C++])
-  fi
-fi
-
-if test x$enable_resampler == xauto; then
-   if test x$has_zita == xyes; then
-	   enable_resampler=zita
-   elif test x$has_src == xyes; then
-	   enable_resampler=src
-   else
-	   AC_MSG_ERROR([*** No resampler library present. Either libsamplerate or zita-resampler must be installed.])
-   fi
-fi
-
-if test x$enable_resampler == xzita; then
-	 if test x$has_zita == xyes; then
-	   AC_DEFINE(USE_ZITA, [], [zita-resampler is present])
-   else
-     AC_MSG_ERROR([*** zita-resampler library or headers not found. Set ZITA_LDFLAGS or ZITA_CPPFLAGS to add searchpath.])
-   fi
-fi
-
-if test x$enable_resampler == xsrc; then
-   if test x$has_src == xyes; then
-	   AC_DEFINE(USE_SRC, [], [libsamplerate is present])
-   else
-	   AC_MSG_ERROR([*** Missing libsamplerate.])
-   fi
-fi
+
+AS_IF([test x$enable_resampler != xno],
+      [AC_MSG_WARN([*** Building resample support!])
+       AC_DEFINE(WITH_RESAMPLER, [], [Use resample])
+
+       AS_IF([test x$enable_resampler == xauto || test x$enable_resampler == xsrc],
+             [dnl ======================
+              dnl Check for libsamplerate
+              dnl ======================
+              PKG_CHECK_MODULES(SAMPLERATE, samplerate >= 0.1.7, has_src=yes, has_src=no)]
+       )
+
+       AS_IF([test x$enable_resampler == xauto || test x$enable_resampler == xzita],
+             [dnl ======================
+              dnl Check for the zitaresampler library
+              dnl ======================
+              AC_LANG_PUSH([C++])
+              tmp_CXXFLAGS="$CXXFLAGS"
+              tmp_CPPFLAGS="$CPPFLAGS"
+              tmp_CFLAGS="$CFLAGS"
+              tmp_LDFLAGS="$LDFLAGS"
+              tmp_LIBS="$LIBS"
+              CXXFLAGS=""
+              CPPFLAGS="$ZITA_CPPFLAGS"
+              CFLAGS=""
+              LDFLAGS="$ZITA_LDFLAGS"
+              LIBS="-lzita-resampler -lpthread"
+              AC_LINK_IFELSE(
+                [AC_LANG_PROGRAM([#include <zita-resampler/resampler.h>],
+                  [Resampler r] ) ], has_zita=yes, has_zita=no)
+              ZITA_CPPFLAGS="$CXXFLAGS $CPPFLAGS $CFLAGS"
+              ZITA_LIBS="$LDFLAGS $LIBS"
+              CXXFLAGS="$tmp_CXXFLAGS"
+              CPPFLAGS="$tmp_CPPFLAGS"
+              CFLAGS="$tmp_CFLAGS"
+              LDFLAGS="$tmp_LDFLAGS"
+              LIBS="$tmp_LIBS"
+              AC_SUBST(ZITA_CPPFLAGS)
+              AC_SUBST(ZITA_LIBS)
+              AC_LANG_POP([C++])]
+       )]
+)
+
+AS_IF([test x$enable_resampler == xauto],
+      [AS_IF([test x$has_zita == xyes],
+             [enable_resampler=zita],
+
+             [test x$has_src == xyes],
+             [enable_resampler=src],
+
+             [AC_MSG_ERROR([*** No resampler library present. Either libsamplerate or zita-resampler must be installed.])]
+       )]
+)
+
+AS_IF([test x$enable_resampler == xzita],
+      [AS_IF([test x$has_zita == xyes],
+             [AC_DEFINE(USE_ZITA, [], [zita-resampler is present])],
+
+             [AC_MSG_ERROR([*** zita-resampler library or headers not found. Set ZITA_LDFLAGS or ZITA_CPPFLAGS to add searchpath.])]
+       )]
+)
+
+AS_IF([test x$enable_resampler == xsrc],
+      [AS_IF([test x$has_src == xyes],
+             [AC_DEFINE(USE_SRC, [], [libsamplerate is present])],
+
+             [AC_MSG_ERROR([*** Missing libsamplerate.])]
+       )]
+)
 
 #dnl ======================
 #dnl Check for zlib
@@ -452,61 +469,62 @@ dnl ===========================
 dnl Check for SSE instructions
 dnl ===========================
 AC_ARG_ENABLE([sse],
-[  --enable-sse[=level]   Enable SSE Level 1, 2, 3 or auto [default=auto]],,
+	AS_HELP_STRING([--enable-sse[=level]], [Enable SSE Level 1, 2, 3 or auto [default=auto]]),,
         [enable_sse="auto"])
-if test "x$enable_sse" = "xyes"; then
-  enable_sse="auto"
-fi
+
+AS_IF([test "x$enable_sse" = "xyes"], [enable_sse="auto"])
+
 #AC_MSG_RESULT([SSE: $enable_sse])
-if test "x$enable_sse" = "x3"; then
-  AC_MSG_RESULT([Setting sse level 3])
-  SSEFLAGS="-DSSE -msse -msse2 -mss3"
-elif test "x$enable_sse" = "x2"; then
-  AC_MSG_RESULT([Setting sse level 2])
-  SSEFLAGS="-DSSE -msse -msse2"
-elif test "x$enable_sse" = "x1"; then
-  AC_MSG_RESULT([Setting sse level 1])
-  SSEFLAGS="-DSSE -msse"
-elif test "x$enable_sse" = "xauto"; then
-  AC_MSG_RESULT([Auto setting sse level])
-  AC_MSG_CHECKING([for sse3 instructions])
-  if grep -q "sse3" /proc/cpuinfo
-  then
-    AC_MSG_RESULT([yes])
-    SSEFLAGS="-msse3"
-    AC_SUBST(SSEFLAGS)
-  else
-    AC_MSG_RESULT([no])
-  fi
-  AC_MSG_CHECKING([for sse2 instructions])
-  if grep -q "sse2" /proc/cpuinfo
-  then
-    AC_MSG_RESULT([yes])
-    SSEFLAGS="$SSEFLAGS -msse2"
-    AC_SUBST(SSEFLAGS)
-  else
-    AC_MSG_RESULT([no])
-  fi
-  AC_MSG_CHECKING([for sse instructions])
-  if grep -q "sse" /proc/cpuinfo
-  then
-    AC_MSG_RESULT([yes])
-    SSEFLAGS="$SSEFLAGS -DSSE -msse"
-    AC_SUBST(SSEFLAGS)
-  else
-    AC_MSG_RESULT([no])
-  fi
-else 
-  AC_MSG_RESULT([*** Disabling SSE ***])
-fi
-
-if test "x$need_jack" = "xyes"
-then
-  dnl ======================
-  dnl Check for jack
-  dnl ======================
-  PKG_CHECK_MODULES(JACK, jack >= 0.120.1)
-fi
+
+AS_IF([test "x$enable_sse" = "x3"],
+      [AC_MSG_RESULT([Setting sse level 3])
+       SSEFLAGS="-DSSE -msse -msse2 -mss3"],
+
+      [test "x$enable_sse" = "x2"],
+      [AC_MSG_RESULT([Setting sse level 2])
+       SSEFLAGS="-DSSE -msse -msse2"],
+
+      [test "x$enable_sse" = "x1"],
+      [AC_MSG_RESULT([Setting sse level 1])
+       SSEFLAGS="-DSSE -msse"],
+
+      [test "x$enable_sse" = "xauto"],
+      [AC_MSG_RESULT([Auto setting sse level])
+
+       AC_MSG_CHECKING([for sse3 instructions])
+       AS_IF([grep -q "sse3" /proc/cpuinfo],
+             [AC_MSG_RESULT([yes])
+              SSEFLAGS="-msse3"
+              AC_SUBST(SSEFLAGS)],
+
+             [AC_MSG_RESULT([no])]
+       )
+
+       AC_MSG_CHECKING([for sse2 instructions])
+       AS_IF([grep -q "sse2" /proc/cpuinfo],
+             [AC_MSG_RESULT([yes])
+              SSEFLAGS="$SSEFLAGS -msse2"
+              AC_SUBST(SSEFLAGS)],
+
+             [AC_MSG_RESULT([no])]
+       )
+
+       AC_MSG_CHECKING([for sse instructions])
+       AS_IF([grep -q "sse" /proc/cpuinfo],
+             [AC_MSG_RESULT([yes])
+              SSEFLAGS="$SSEFLAGS -DSSE -msse"
+              AC_SUBST(SSEFLAGS)],
+
+             [AC_MSG_RESULT([no])]
+       )],
+
+      [AC_MSG_RESULT([*** Disabling SSE ***])]
+)
+
+dnl ======================
+dnl Check for jack
+dnl ======================
+AS_IF([test "x$need_jack" = "xyes"], [PKG_CHECK_MODULES(JACK, jack >= 0.120.1)])
 
 AC_SUBST(CFLAGS)
 AC_SUBST(CPPFLAGS)
@@ -525,6 +543,7 @@ AC_CONFIG_FILES(
 	lv2/Makefile
 	plugingui/Makefile
 	include/Makefile
+	man/Makefile
 	drumgizmo/Makefile
 	drumgizmo/input/Makefile
 	drumgizmo/input/dummy/Makefile