ogg123 build is now optional. If the ogg123-specific requirements are not

met (libcurl, libao, and POSIX threads), then ogg123 is automatically not
built.  --disable-ogg123 will also force this behavior.

svn path=/trunk/vorbis-tools/; revision=3486

configure.in

@@ -78,26 +78,42 @@ PROFILE="$PROFILE $cflags_save"
 LDFLAGS="$LDFLAGS $ldflags_save"
 
 dnl --------------------------------------------------
-dnl Check for libraries
+dnl Check for generally needed libraries
 dnl --------------------------------------------------
 
 AM_PATH_OGG(,AC_MSG_ERROR(Ogg needed!))
 AM_PATH_VORBIS(,AC_MSG_ERROR(Vorbis needed!))
-AM_PATH_AO(,AC_MSG_ERROR(libao needed!))
-AM_PATH_CURL(,AC_MSG_ERROR(libcurl needed!))
 
-ACX_PTHREAD(,AC_MSG_ERROR(POSIX threads required!))
+SHARE_LIBS='$(top_builddir)/share/libutf8.a $(top_builddir)/share/libgetopt.a'
+SHARE_CFLAGS='-I$(top_srcdir)/include'
+
+I18N_CFLAGS='-I$(top_srcdir)/intl'
+I18N_LIBS=$INTLLIBS
 
 SOCKET_LIBS=
 AC_CHECK_LIB(socket, socket, SOCKET_LIBS="-lsocket")
 AC_CHECK_LIB(nsl, gethostbyname, SOCKET_LIBS="-lnsl $SOCKET_LIBS")
 
-SHARE_LIBS='$(top_builddir)/share/libutf8.a $(top_builddir)/share/libgetopt.a'
-SHARE_CFLAGS='-I$(top_srcdir)/include'
+dnl --------------------------------------------------
+dnl Check for ogg123 critical libraries
+dnl --------------------------------------------------
 
-I18N_CFLAGS='-I$(top_srcdir)/intl'
-I18N_LIBS=$INTLLIBS
+AC_ARG_ENABLE(ogg123,[  --disable-ogg123   Skip building ogg123 (a playback utility)], build_ogg123="$enableval", build_ogg123="yes")
+
+if test "x$build_ogg123" = xyes; then
+  AC_MSG_RESULT([checking for ogg123 requirements])
+  AM_PATH_AO(,build_ogg123=no; AC_MSG_WARN(libao missing))
+  AM_PATH_CURL(,build_ogg123=no; AC_MSG_WARN(libcurl missing))
+
+  ACX_PTHREAD(,build_ogg123=no; AC_MSG_WARN(POSIX threads missing))
+
+  if test "x$build_ogg123" != xyes; then
+    AC_MSG_WARN([Prerequisites for ogg123 not met, ogg123 will not be built])
+  fi
+fi
 
+AM_CONDITIONAL(BUILD_OGG123, test "x$build_ogg123" = xyes)
+ 
 dnl --------------------------------------------------
 dnl Check for library functions
 dnl --------------------------------------------------

ogg123/Makefile.am

@@ -2,15 +2,19 @@
 
 AUTOMAKE_OPTIONS = foreign
 
+mans = ogg123.1
+docs = ogg123rc-example
+
+
+if BUILD_OGG123
+
 datadir = @datadir@
 localedir = $(datadir)/locale
 DEFS = -DLOCALEDIR=\"$(localedir)\" @DEFS@
 
 bin_PROGRAMS = ogg123
 docdir = $(datadir)/doc/$(PACKAGE)-$(VERSION)
-doc_DATA = ogg123rc-example
 mandir = @MANDIR@
-man_MANS = ogg123.1
 
 INCLUDES = @OGG_CFLAGS@ @VORBIS_CFLAGS@ @AO_CFLAGS@ @CURL_CFLAGS@ \
            @PTHREAD_CFLAGS@ @SHARE_CFLAGS@ @I18N_CFLAGS@
@@ -20,14 +24,22 @@ ogg123_LDADD = @VORBISFILE_LIBS@ @VORBIS_LIBS@ @OGG_LIBS@ @AO_LIBS@ \
                @PTHREAD_LIBS@ @I18N_LIBS@
 ogg123_DEPENDENCIES = @SHARE_LIBS@
 ogg123_SOURCES = audio.c buffer.c callbacks.c \
-                 cfgfile_options.c cmdline_options.c \
-                 file_transport.c format.c http_transport.c \
-                 ogg123.c oggvorbis_format.c status.c transport.c     \
-                 audio.h buffer.h callbacks.h compat.h \
-                 cfgfile_options.h cmdline_options.h \
-                 format.h ogg123.h status.h transport.h
-
-EXTRA_DIST = $(man_MANS) $(doc_DATA)
+                cfgfile_options.c cmdline_options.c \
+                file_transport.c format.c http_transport.c \
+                ogg123.c oggvorbis_format.c status.c transport.c     \
+                audio.h buffer.h callbacks.h compat.h \
+                cfgfile_options.h cmdline_options.h \
+                format.h ogg123.h status.h transport.h
+
+man_MANS = $(mans) 
+doc_DATA = $(docs)
+
+else
+
+endif
+
+EXTRA_DIST = $(mans) $(docs)
+
 
 debug:
 	$(MAKE) all CFLAGS="@DEBUG@"