Android: add makefile and config.h

This is the porting of alsa-lib 1.2.5 to Android.

Signed-off-by: Chih-Wei Huang <cwhuang@linux.org.tw>

android/Android.mk

@@ -0,0 +1,54 @@
+#
+# Copyright (C) 2021 The Android-x86 Open Source Project
+#
+# Licensed under the GNU Lesser General Public License Version 2.1.
+# You may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.gnu.org/licenses/lgpl.html
+#
+
+LOCAL_PATH := $(dir $(call my-dir))
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := libasound
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+
+intermediates := $(call local-generated-sources-dir)
+
+LOCAL_C_INCLUDES := $(LOCAL_PATH)include $(LOCAL_PATH)android
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(intermediates) $(LOCAL_PATH)android
+
+LOCAL_CFLAGS := -DPIC -Wno-absolute-value -Wno-address-of-packed-member \
+	-Wno-missing-braces -Wno-missing-field-initializers \
+	-Wno-pointer-arith -Wno-sign-compare -Wno-unused-function \
+	-Wno-unused-const-variable -Wno-unused-parameter -Wno-unused-variable \
+	-finline-limit=300 -finline-functions -fno-inline-functions-called-once
+
+# list of files to be excluded
+EXCLUDE_SRC_FILES := \
+	src/alisp/alisp_snd.c \
+	src/compat/hsearch_r.c \
+	src/control/control_shm.c \
+	src/pcm/pcm_d%.c \
+	src/pcm/pcm_ladspa.c \
+	src/pcm/pcm_shm.c \
+	src/pcm/scopes/level.c \
+
+LOCAL_SRC_FILES := $(filter-out $(EXCLUDE_SRC_FILES),$(call all-c-files-under,src))
+
+GEN := $(intermediates)/alsa/asoundlib.h
+$(GEN): $(LOCAL_PATH)configure.ac
+	$(hide) mkdir -p $(@D)
+	cat $(<D)/include/asoundlib-head.h > $@; \
+	sed -n "/.*\(#include <[ae].*.h>\).*/s//\1/p" $< >> $@; \
+	cat $(<D)/include/asoundlib-tail.h >> $@
+	sed -n "/^AC_INIT.* \([0-9.]*\))/s//\#define SND_LIB_VERSION_STR \"\1\"/p" $< > $(@D)/version.h; \
+	ln -sf alsa/version.h $(@D)/..
+
+LOCAL_GENERATED_SOURCES := $(GEN)
+
+LOCAL_SHARED_LIBRARIES := libdl
+
+include $(BUILD_SHARED_LIBRARY)

android/alsa

@@ -0,0 +1 @@
+../include

android/config.h

@@ -0,0 +1,226 @@
+/* include/config.h.  Generated from config.h.in by configure.  */
+/* include/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Directory with aload* device files */
+#define ALOAD_DEVICE_DIRECTORY "/dev/"
+
+/* directory containing ALSA configuration database */
+#define ALSA_CONFIG_DIR "/system/usr/share/alsa"
+
+/* Enable assert at error message handler */
+/* #undef ALSA_DEBUG_ASSERT */
+
+/* Directory with ALSA device files */
+#define ALSA_DEVICE_DIRECTORY "/dev/snd/"
+
+/* directory containing ALSA add-on modules */
+#define ALSA_PLUGIN_DIR "/system/usr/lib/alsa-lib"
+
+/* Build hwdep component */
+#define BUILD_HWDEP "1"
+
+/* Build mixer component */
+#define BUILD_MIXER "1"
+
+/* Build PCM component */
+#define BUILD_PCM "1"
+
+/* Build PCM adpcm plugin */
+#define BUILD_PCM_PLUGIN_ADPCM "1"
+
+/* Build PCM alaw plugin */
+#define BUILD_PCM_PLUGIN_ALAW "1"
+
+/* Build PCM lfloat plugin */
+#define BUILD_PCM_PLUGIN_LFLOAT "1"
+
+/* Build PCM mmap-emul plugin */
+#define BUILD_PCM_PLUGIN_MMAP_EMUL "1"
+
+/* Build PCM mulaw plugin */
+#define BUILD_PCM_PLUGIN_MULAW "1"
+
+/* Build PCM rate plugin */
+#define BUILD_PCM_PLUGIN_RATE "1"
+
+/* Build PCM route plugin */
+#define BUILD_PCM_PLUGIN_ROUTE "1"
+
+/* Build raw MIDI component */
+/* #undef BUILD_RAWMIDI */
+
+/* Build sequencer component */
+/* #undef BUILD_SEQ */
+
+/* Build DSP Topology component */
+#define BUILD_TOPOLOGY "1"
+
+/* Build UCM component */
+#define BUILD_UCM "1"
+
+/* Have clock gettime */
+#define HAVE_CLOCK_GETTIME 1
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the `eaccess' function. */
+/* #undef HAVE_EACCESS */
+
+/* Define to 1 if you have the <endian.h> header file. */
+#define HAVE_ENDIAN_H 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Have libdl */
+#define HAVE_LIBDL 1
+
+/* Have libpthread */
+#define HAVE_LIBPTHREAD 1
+
+/* Define to 1 if you have the `resmgr' library (-lresmgr). */
+/* #undef HAVE_LIBRESMGR */
+
+/* Have librt */
+/* #undef HAVE_LIBRT */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* MMX technology is enabled */
+#define HAVE_MMX "1"
+
+/* Define if your pthreads implementation have PTHREAD_MUTEX_RECURSIVE */
+#define HAVE_PTHREAD_MUTEX_RECURSIVE /**/
+
+/* Avoid calculation in float */
+/* #undef HAVE_SOFT_FLOAT */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/endian.h> header file. */
+/* #undef HAVE_SYS_ENDIAN_H */
+
+/* Define to 1 if you have the <sys/shm.h> header file. */
+#define HAVE_SYS_SHM_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `uselocale' function. */
+#define HAVE_USELOCALE 1
+
+/* Enable use of wordexp */
+/* #undef HAVE_WORDEXP */
+
+/* Define to 1 if compiler supports __thread */
+#define HAVE___THREAD 1
+
+/* Lockless dmix as default */
+/* #undef LOCKLESS_DMIX_DEFAULT */
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#define LT_OBJDIR ".libs/"
+
+/* No assert debug */
+/* #undef NDEBUG */
+
+/* Name of package */
+#define PACKAGE "alsa-lib"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "alsa-lib"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "alsa-lib"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL ""
+
+/* Max number of cards */
+#define SND_MAX_CARDS 32
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Support /dev/aload* access for auto-loading */
+/* #undef SUPPORT_ALOAD */
+
+/* Support resmgr with alsa-lib */
+/* #undef SUPPORT_RESMGR */
+
+/* Disable thread-safe API functions */
+#define THREAD_SAFE_API "1"
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* directory to put tmp socket files */
+#define TMPDIR "/tmp"
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# define _ALL_SOURCE 1
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+/* Enable threading extensions on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# define _POSIX_PTHREAD_SEMANTICS 1
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# define _TANDEM_SOURCE 1
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# define __EXTENSIONS__ 1
+#endif
+
+
+/* compiled with versioned symbols */
+/* #undef VERSIONED_SYMBOLS */
+
+/* Define to 1 if on MINIX. */
+/* #undef _MINIX */
+
+/* Define to 2 if the system does not provide POSIX.1 features except with
+   this defined. */
+/* #undef _POSIX_1_SOURCE */
+
+/* Define to 1 if you need to in order for `stat' and other things to work. */
+/* #undef _POSIX_SOURCE */
+
+/* Toolchain Symbol Prefix */
+#define __SYMBOL_PREFIX ""
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif