From fab28ba1b175d1e1721175ce155d801657bc01cb Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 27 Nov 2017 21:38:18 +0100
Subject: [PATCH] configure.ac: build extra mixer modules conditionally

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 configure.ac                     | 26 ++++++++++++++++++++++----
 gitcompile                       | 28 ++++++++++++++++++++++++----
 modules/mixer/simple/Makefile.am | 14 +++++++++-----
 src/conf/Makefile.am             |  2 +-
 4 files changed, 56 insertions(+), 14 deletions(-)

diff --git a/configure.ac b/configure.ac
index 22d65bb8..550a2974 100644
--- a/configure.ac
+++ b/configure.ac
@@ -402,20 +402,34 @@ AC_ARG_ENABLE(old-symbols,
   [keep_old_symbols="$enableval"], [keep_old_symbols="yes"])
 AM_CONDITIONAL([KEEP_OLD_SYMBOLS], [test x$keep_old_symbols = xyes])
 
+AC_ARG_ENABLE(mixer-modules,
+  AS_HELP_STRING([--enable-mixer-modules], [enable the additional mixer modules (experimental)]),
+  [build_mixer_modules="$enableval"], [build_mixer_modules="no"])
+
+AC_ARG_ENABLE(mixer-pymods,
+  AS_HELP_STRING([--enable-mixer-pymods], [enable the mixer python modules (experimental)]),
+  [build_mixer_pymodules="$enableval"], [build_mixer_pymodules="no"])
+
 AC_ARG_ENABLE(python,
   AS_HELP_STRING([--disable-python], [disable the python components]),
   [build_python="$enableval"], [build_python="yes"])
 PYTHON_LIBS=""
 PYTHON_INCLUDES=""
-if test "$build_python" = "yes"; then
+if test "$build_python" = "yes" -a "$build_mixer_pymodules" = "yes"; then
+  pythonlibs0=$(python3-config --libs)
+  pythoninc0=$(python3-config --includes)
+  if test -z "$pythonlibs0"; then
+    pythonlibs0=$(python-config --libs)
+    pythoninc0=$(python-config --includes)
+  fi
   AC_ARG_WITH(pythonlibs,
     AS_HELP_STRING([--with-pythonlibs=ldflags],
       [specify python libraries (-lpthread -lm -ldl -lpython2.4)]),
-    pythonlibs="$withval", pythonlibs=`python-config --libs`)
+    pythonlibs="$withval", pythonlibs=$pythonlibs0)
   AC_ARG_WITH(pythonincludes,
     AS_HELP_STRING([--with-pythonincludes=Cflags],
       [specify python C header files (-I/usr/include/python)]),
-    pythonincludes="$withval", pythonincludes=`python-config --includes`)
+    pythonincludes="$withval", pythonincludes=$pythoninc0)
   if test -z "$pythonlibs"; then
     echo "Unable to determine python libraries! Probably python-config is not"
     echo "available on this system. Please, use --with-pythonlibs and"
@@ -426,6 +440,9 @@ if test "$build_python" = "yes"; then
     PYTHON_INCLUDES="$pythonincludes"
   fi
 fi
+if test "$build_python" != "yes"; then
+  build_mixer_pymodules=
+fi
 AC_SUBST(PYTHON_LIBS)
 AC_SUBST(PYTHON_INCLUDES)
 
@@ -437,7 +454,8 @@ AM_CONDITIONAL([BUILD_SEQ], [test x$build_seq = xyes])
 AM_CONDITIONAL([BUILD_UCM], [test x$build_ucm = xyes])
 AM_CONDITIONAL([BUILD_TOPOLOGY], [test x$build_topology = xyes])
 AM_CONDITIONAL([BUILD_ALISP], [test x$build_alisp = xyes])
-AM_CONDITIONAL([BUILD_PYTHON], [test x$build_python = xyes])
+AM_CONDITIONAL([BUILD_MIXER_MODULES], [test x$build_mixer_modules = xyes])
+AM_CONDITIONAL([BUILD_MIXER_PYMODULES], [test x$build_mixer_pymodules = xyes])
 
 if test "$build_mixer" = "yes"; then
   AC_DEFINE([BUILD_MIXER], "1", [Build mixer component])
diff --git a/gitcompile b/gitcompile
index 0b60aed0..0ff3a2db 100755
--- a/gitcompile
+++ b/gitcompile
@@ -3,9 +3,24 @@
 set -e
 
 bit32=
-if [ $# -ne 0 -a "$1" == "32" ]; then
-  bit32=yes
-  echo "Forced 32-bit library build..."
+modules=
+if [ $# -ne 0 ]; then
+  endloop=
+  while [ -z "$endloop" ]; do
+    case "$1" in
+    32)
+      bits32=yes
+      echo "Forced 32-bit library build..."
+      shift ;;
+    modules)
+      modules=yes
+      echo "Forced mixer modules build..."
+      shift ;;
+    *)
+      endloop=yes
+      ;;
+    esac
+  done
 fi
 if [ $# -ne 0 -a -z "$bit32" ]; then
   args="$@"
@@ -30,7 +45,12 @@ else
   args="$args --with-plugindir=$libdir2/alsa-lib"
   args="$args --with-pkgconfdir=$libdir2/pkgconfig"
 fi
-      
+
+if [ "$modules" = "yes" ]; then
+  args="$args --enable-mixer-modules"
+  args="$args --enable-mixer-pymodules"
+fi
+
 touch ltconfig
 libtoolize --force --copy --automake
 aclocal $ACLOCAL_FLAGS
diff --git a/modules/mixer/simple/Makefile.am b/modules/mixer/simple/Makefile.am
index c21dd07d..6805484f 100644
--- a/modules/mixer/simple/Makefile.am
+++ b/modules/mixer/simple/Makefile.am
@@ -1,4 +1,3 @@
-if BUILD_PYTHON
 alsaplugindir = @ALSA_PLUGIN_DIR@
 pkglibdir = $(alsaplugindir)/smixer
 
@@ -6,11 +5,17 @@ AM_CFLAGS = -g -O2 -W -Wall
 
 AM_CPPFLAGS=-I$(top_srcdir)/include
 
-pkglib_LTLIBRARIES = smixer-sbase.la \
-		     smixer-ac97.la \
-		     smixer-hda.la
+pkglib_LTLIBRARIES =
 
+if BUILD_MIXER_MODULES
+pkglib_LTLIBRARIES += smixer-sbase.la \
+		      smixer-ac97.la \
+		      smixer-hda.la
+endif
+
+if BUILD_MIXER_PYMODULES
 pkglib_LTLIBRARIES += smixer-python.la
+endif
 
 noinst_HEADERS = sbase.h
 
@@ -30,4 +35,3 @@ smixer_python_la_SOURCES = python.c
 smixer_python_la_LDFLAGS = -module -avoid-version $(LDFLAGS_NOUNDEFINED)
 smixer_python_la_CFLAGS = $(PYTHON_INCLUDES)
 smixer_python_la_LIBADD = ../../../src/libasound.la $(PYTHON_LIBS)
-endif
diff --git a/src/conf/Makefile.am b/src/conf/Makefile.am
index 4f326625..ef2ea9c1 100644
--- a/src/conf/Makefile.am
+++ b/src/conf/Makefile.am
@@ -12,7 +12,7 @@ if BUILD_ALISP
 cfg_files += sndo-mixer.alisp
 endif
 if BUILD_MODULES
-if BUILD_PYTHON
+if BUILD_MIXER_MODULES
 cfg_files += smixer.conf
 endif
 endif
-- 
2.47.1