--- linuxsampler/trunk/configure.in	2004/01/18 20:31:31	31
+++ linuxsampler/trunk/configure.in	2005/05/04 12:02:35	510
@@ -2,8 +2,15 @@
 AC_C_BIGENDIAN
 AC_CANONICAL_SYSTEM
 
+AC_SUBST(target)
+AC_SUBST(target_alias)
+AC_SUBST(target_cpu)
+AC_SUBST(target_os)
+AC_SUBST(target_vendor)
 
-echo -n "checking whether x86 architecture... "
+
+
+AC_MSG_CHECKING([whether x86 architecture])
 def_arch_x86=0
 case $target_cpu in
   "i386" | "i486" | "i586" | "i686" | "i786")
@@ -15,20 +22,69 @@
 AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])
 
 
+# determine the right gcc switch for CPU specific optimizations
+CXX_CPU_SWITCH=
+if test "$def_arch_x86" = 1; then
+  CXX_CPU_SWITCH="-march=$target_cpu"
+elif test "$target_cpu" = "powerpc"; then
+  CXX_CPU_SWITCH="-arch=$target_cpu"
+fi
+AC_SUBST([CXX_CPU_SWITCH])
+
+
+AC_MSG_CHECKING([whether UNIX98 compatible])
+AC_LANG_SAVE
+AC_LANG_C
+AC_TRY_RUN([
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+#include <features.h>
+void main(void) {
+#if _XOPEN_SOURCE >= 500
+exit(0); /* UNIX98 compatible */
+#else
+exit(-1); /* not UNIX98 compatible */
+#endif
+}
+],
+have_unix98="yes",
+have_unix98="no",
+have_unix98="no"
+)
+AC_LANG_RESTORE
+AC_MSG_RESULT([$have_unix98])
+if test "$have_unix98" = "no"; then
+    if test "x$HAVE_UNIX98" = "x"; then
+        echo "LinuxSampler only runs on UNIX98 compatible systems, which is mandatory for"
+        echo "pthread_mutexattr_settype() call in Mutex.cpp. You may want to run
+        echo "./configure with environment variable HAVE_UNIX98=1 in case you think you
+        echo "have a UNIX98 compatible system."
+        exit -1;
+    fi
+fi
+
+
+# Checks for available audio and MIDI systems / drivers
+# (we throw an error if there's not at least one system for audio output and MIDI input available)
+have_midi_input_driver="false"
+have_audio_output_driver="false"
+
 AC_CHECK_HEADER(alsa/asoundlib.h,
     AC_CHECK_LIB(asound, main,
-                             have_alsa="true"
+                             have_alsa=1
                              ,
-                             have_alsa="false"
+                             have_alsa=0
                 )
                 ,
-                have_alsa="false"
+                have_alsa=0
 )
-if test "$have_alsa" = "false"; then
-    echo "Alsa not installed!"
-    echo "Sorry, LinuxSampler only supports Alsa sound drivers at the moment!"
-    exit -1;
+if test "$have_alsa" = "1"; then
+    have_midi_input_driver="true"
+    have_audio_output_driver="true";
 fi
+AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")
+AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.])
 
 
 echo -n "checking Alsa version... "
@@ -87,14 +143,64 @@
 PKG_CHECK_MODULES(JACK, jack, HAVE_JACK=true, HAVE_JACK=false)
 AC_SUBST(JACK_LIBS)
 AC_SUBST(JACK_CFLAGS)
+if test $HAVE_JACK = false; then
+    HAVE_JACK=0;
+else
+    HAVE_JACK=1
+    have_audio_output_driver="true";
+    AC_CHECK_LIB(jack, jack_client_name_size, [AC_DEFINE(HAVE_JACK_CLIENT_NAME_SIZE, 1, [Define to 1 if you have the `jack_client_name_size' function.])], , $JACK_LIBS)
+fi
+AM_CONDITIONAL(HAVE_JACK, test $HAVE_JACK = 1)
 AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.])
 
 
+# Check presence of libgig
+libgig_version="1.0.0"
+PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
+if test "$HAVE_GIG" = "false"; then
+    echo "Required libgig version not found!"
+    echo "You need to have libgig version ${libgig_version} installed!"
+    exit -1;
+fi
+AC_SUBST(GIG_CFLAGS)
+AC_SUBST(GIG_LIBS)
+
+
+# SQLITE3
+PKG_CHECK_MODULES(SQLITE3, sqlite3, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
+AC_SUBST(SQLITE3_LIBS)
+AC_SUBST(SQLITE3_CFLAGS)
+if test $HAVE_SQLITE3 = false; then
+    HAVE_SQLITE3=0;
+else
+    HAVE_SQLITE3=1
+fi
+AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
+AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])
+
+
+if test "$have_midi_input_driver" = "false"; then
+    echo "No supported MIDI input system found!"
+    echo "Sorry, LinuxSampler only supports ALSA as MIDI input driver at the moment!"
+    exit -1;
+fi
+if test "$have_audio_output_driver" = "false"; then
+    echo "No supported audio output system found!"
+    echo "Sorry, LinuxSampler only supports ALSA and JACK as audio output driver at the moment!"
+    exit -1;
+fi
+
+
 AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE(linuxsampler, 0.1)
+AM_INIT_AUTOMAKE(linuxsampler, 0.3.0)
 
 AC_LANG_CPLUSPLUS
 AC_PROG_CXX
+
+# autoconf 2.59/libtool 1.5.12 bug? work-around. Without a check like
+# this, the dlfcn.h check in am_prog_libtool may fail.
+AC_CHECK_HEADER(stdlib.h)
+
 AM_PROG_LIBTOOL
 
-AC_OUTPUT(Makefile src/Makefile)
+AC_OUTPUT(Makefile src/Makefile src/network/Makefile src/engines/Makefile src/engines/gig/Makefile src/engines/common/Makefile src/common/Makefile src/lib/Makefile src/lib/fileloader/Makefile src/lib/fileloader/libgig/Makefile src/testcases/Makefile src/drivers/Makefile src/drivers/audio/Makefile src/drivers/midi/Makefile)