Split acinclude.m4 into its constituent parts for easy upgrading

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%403968

acinclude/alsa.m4

+##############################################################################
+dnl Configure Paths for Alsa
+dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>
+dnl Christopher Lansdown <lansdoct@cs.alfred.edu>
+dnl Jaroslav Kysela <perex@suse.cz>
+dnl Last modification: alsa.m4,v 1.23 2004/01/16 18:14:22 tiwai Exp
+dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
+dnl enables arguments --with-alsa-prefix=
+dnl                   --with-alsa-enc-prefix=
+dnl                   --disable-alsatest
+dnl
+dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,
+dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.
+dnl
+AC_DEFUN([AM_PATH_ALSA],
+[dnl Save the original CFLAGS, LDFLAGS, and LIBS
+alsa_save_CFLAGS="$CFLAGS"
+alsa_save_LDFLAGS="$LDFLAGS"
+alsa_save_LIBS="$LIBS"
+alsa_found=yes
+
+dnl
+dnl Get the cflags and libraries for alsa
+dnl
+AC_ARG_WITH(alsa-prefix,
+[  --with-alsa-prefix=PFX  Prefix where Alsa library is installed(optional)],
+[alsa_prefix="$withval"], [alsa_prefix=""])
+
+AC_ARG_WITH(alsa-inc-prefix,
+[  --with-alsa-inc-prefix=PFX  Prefix where include libraries are (optional)],
+[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
+
+dnl FIXME: this is not yet implemented
+AC_ARG_ENABLE(alsatest,
+[  --disable-alsatest      Do not try to compile and run a test Alsa program],
+[enable_alsatest="$enableval"],
+[enable_alsatest=yes])
+
+dnl Add any special include directories
+AC_MSG_CHECKING(for ALSA CFLAGS)
+if test "$alsa_inc_prefix" != "" ; then
+	ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"
+	CFLAGS="$CFLAGS -I$alsa_inc_prefix"
+fi
+AC_MSG_RESULT($ALSA_CFLAGS)
+
+dnl add any special lib dirs
+AC_MSG_CHECKING(for ALSA LDFLAGS)
+if test "$alsa_prefix" != "" ; then
+	ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix"
+	LDFLAGS="$LDFLAGS $ALSA_LIBS"
+fi
+
+dnl add the alsa library
+ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"
+LIBS=`echo $LIBS | sed 's/-lm//'`
+LIBS=`echo $LIBS | sed 's/-ldl//'`
+LIBS=`echo $LIBS | sed 's/-lpthread//'`
+LIBS=`echo $LIBS | sed 's/  //'`
+LIBS="$ALSA_LIBS $LIBS"
+AC_MSG_RESULT($ALSA_LIBS)
+
+dnl Check for a working version of libasound that is of the right version.
+min_alsa_version=ifelse([$1], ,0.1.1,$1)
+AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version)
+no_alsa=""
+    alsa_min_major_version=`echo $min_alsa_version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    alsa_min_minor_version=`echo $min_alsa_version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    alsa_min_micro_version=`echo $min_alsa_version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+AC_LANG_SAVE
+AC_LANG_C
+AC_TRY_COMPILE([
+#include <alsa/asoundlib.h>
+], [
+/* ensure backward compatibility */
+#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
+#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
+#endif
+#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
+#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
+#endif
+#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
+#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
+#endif
+
+#  if(SND_LIB_MAJOR > $alsa_min_major_version)
+  exit(0);
+#  else
+#    if(SND_LIB_MAJOR < $alsa_min_major_version)
+#       error not present
+#    endif
+
+#   if(SND_LIB_MINOR > $alsa_min_minor_version)
+  exit(0);
+#   else
+#     if(SND_LIB_MINOR < $alsa_min_minor_version)
+#          error not present
+#      endif
+
+#      if(SND_LIB_SUBMINOR < $alsa_min_micro_version)
+#        error not present
+#      endif
+#    endif
+#  endif
+exit(0);
+],
+  [AC_MSG_RESULT(found.)],
+  [AC_MSG_RESULT(not present.)
+   ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
+   alsa_found=no]
+)
+AC_LANG_RESTORE
+
+dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
+if test "x$enable_alsatest" = "xyes"; then
+AC_CHECK_LIB([asound], [snd_ctl_open],,
+	[ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
+	 alsa_found=no]
+)
+fi
+
+if test "x$alsa_found" = "xyes" ; then
+   ifelse([$2], , :, [$2])
+   LIBS=`echo $LIBS | sed 's/-lasound//g'`
+   LIBS=`echo $LIBS | sed 's/  //'`
+   LIBS="-lasound $LIBS"
+fi
+if test "x$alsa_found" = "xno" ; then
+   ifelse([$3], , :, [$3])
+   CFLAGS="$alsa_save_CFLAGS"
+   LDFLAGS="$alsa_save_LDFLAGS"
+   LIBS="$alsa_save_LIBS"
+   ALSA_CFLAGS=""
+   ALSA_LIBS=""
+fi
+
+dnl That should be it.  Now just export out symbols:
+AC_SUBST(ALSA_CFLAGS)
+AC_SUBST(ALSA_LIBS)
+])

acinclude/esd.m4

+##############################################################################
+#
+# --- esd.m4 ---
+#
+# Configure paths for ESD
+# Manish Singh    98-9-30
+# stolen back from Frank Belew
+# stolen from Manish Singh
+# Shamelessly stolen from Owen Taylor
+
+dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS
+dnl
+AC_DEFUN([AM_PATH_ESD],
+[dnl 
+dnl Get the cflags and libraries from the esd-config script
+dnl
+AC_ARG_WITH(esd-prefix,[  --with-esd-prefix=PFX   Prefix where ESD is installed (optional)],
+            esd_prefix="$withval", esd_prefix="")
+AC_ARG_WITH(esd-exec-prefix,[  --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)],
+            esd_exec_prefix="$withval", esd_exec_prefix="")
+AC_ARG_ENABLE(esdtest, [  --disable-esdtest       Do not try to compile and run a test ESD program],
+		    , enable_esdtest=yes)
+
+  if test x$esd_exec_prefix != x ; then
+     esd_args="$esd_args --exec-prefix=$esd_exec_prefix"
+     if test x${ESD_CONFIG+set} != xset ; then
+        ESD_CONFIG=$esd_exec_prefix/bin/esd-config
+     fi
+  fi
+  if test x$esd_prefix != x ; then
+     esd_args="$esd_args --prefix=$esd_prefix"
+     if test x${ESD_CONFIG+set} != xset ; then
+        ESD_CONFIG=$esd_prefix/bin/esd-config
+     fi
+  fi
+
+  AC_PATH_PROG(ESD_CONFIG, esd-config, no)
+  min_esd_version=ifelse([$1], ,0.2.7,$1)
+  AC_MSG_CHECKING(for ESD - version >= $min_esd_version)
+  no_esd=""
+  if test "$ESD_CONFIG" = "no" ; then
+    no_esd=yes
+  else
+    ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`
+    ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`
+
+    esd_major_version=`$ESD_CONFIG $esd_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    esd_minor_version=`$ESD_CONFIG $esd_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+    if test "x$enable_esdtest" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $ESD_CFLAGS"
+      LIBS="$LIBS $ESD_LIBS"
+dnl
+dnl Now check if the installed ESD is sufficiently new. (Also sanity
+dnl checks the results of esd-config to some extent
+dnl
+      rm -f conf.esdtest
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <esd.h>
+
+char*
+my_strdup (char *str)
+{
+  char *new_str;
+  
+  if (str)
+    {
+      new_str = malloc ((strlen (str) + 1) * sizeof(char));
+      strcpy (new_str, str);
+    }
+  else
+    new_str = NULL;
+  
+  return new_str;
+}
+
+int main ()
+{
+  int major, minor, micro;
+  char *tmp_version;
+
+  system ("touch conf.esdtest");
+
+  /* HP/UX 9 (%@#!) writes to sscanf strings */
+  tmp_version = my_strdup("$min_esd_version");
+  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
+     printf("%s, bad version string\n", "$min_esd_version");
+     exit(1);
+   }
+
+   if (($esd_major_version > major) ||
+      (($esd_major_version == major) && ($esd_minor_version > minor)) ||
+      (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))
+    {
+      return 0;
+    }
+  else
+    {
+      printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);
+      printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);
+      printf("*** best to upgrade to the required version.\n");
+      printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");
+      printf("*** to point to the correct copy of esd-config, and remove the file\n");
+      printf("*** config.cache before re-running configure\n");
+      return 1;
+    }
+}
+
+],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_esd" = x ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$2], , :, [$2])     
+  else
+     AC_MSG_RESULT(no)
+     if test "$ESD_CONFIG" = "no" ; then
+       echo "*** The esd-config script installed by ESD could not be found"
+       echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"
+       echo "*** your path, or set the ESD_CONFIG environment variable to the"
+       echo "*** full path to esd-config."
+     else
+       if test -f conf.esdtest ; then
+        :
+       else
+          echo "*** Could not run ESD test program, checking why..."
+          CFLAGS="$CFLAGS $ESD_CFLAGS"
+          LIBS="$LIBS $ESD_LIBS"
+          AC_TRY_LINK([
+#include <stdio.h>
+#include <esd.h>
+],      [ return 0; ],
+        [ echo "*** The test program compiled, but did not run. This usually means"
+          echo "*** that the run-time linker is not finding ESD or finding the wrong"
+          echo "*** version of ESD. If it is not finding ESD, you'll need to set your"
+          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
+          echo "*** is required on your system"
+	  echo "***"
+          echo "*** If you have an old version installed, it is best to remove it, although"
+          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+        [ echo "*** The test program failed to compile or link. See the file config.log for the"
+          echo "*** exact error that occured. This usually means ESD was incorrectly installed"
+          echo "*** or that you have moved ESD since it was installed. In the latter case, you"
+          echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])
+          CFLAGS="$ac_save_CFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     ESD_CFLAGS=""
+     ESD_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(ESD_CFLAGS)
+  AC_SUBST(ESD_LIBS)
+  rm -f conf.esdtest
+])

autogen.sh

@@ -4,7 +4,7 @@ echo "Generating build information using autoconf"
 echo "This may take a while ..."
 
 # Regenerate configuration files
-cp acinclude.m4 aclocal.m4
+cat acinclude/* >aclocal.m4
 found=false
 for autoconf in autoconf autoconf259 autoconf-2.59
 do if which $autoconf >/dev/null 2>&1; then $autoconf && found=true; break; fi