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authorThomas Vander Stichele <thomas@apestaart.org>2002-08-13 10:25:36 +0000
committerThomas Vander Stichele <thomas@apestaart.org>2002-08-13 10:25:36 +0000
commita25aa7185b12fc48c88d19551302b9f498bc92f0 (patch)
tree04ef635dd37df02e4b3af14b176093ff5a319b3f /m4
parent07079bca8cadfa254f42ee4b8c99c63fe21f0302 (diff)
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shiny new avifile test macro let's give it a ride
Original commit message from CVS: shiny new avifile test macro let's give it a ride
Diffstat (limited to 'm4')
-rw-r--r--m4/as-avifile.m4150
1 files changed, 150 insertions, 0 deletions
diff --git a/m4/as-avifile.m4 b/m4/as-avifile.m4
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+# AS_AVIFILE 0.1.0
+# CXXFLAGS and LIBS for avifile
+# taken from Autostar Sandbox, http://autostars.sourceforge.net/
+# constructed by careful cross-pollination from various sources and lots of
+# hard labour
+
+dnl Usage:
+dnl AS_AVIFILE(MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for avifile, and defines
+dnl - AVIFILE_CXXFLAGS (C++ compiler flags)
+dnl - AVIFILE_LDFLAGS (linker flags, stripping and path)
+dnl as well as set HAVE_AVIFILE to yes or no
+dnl
+dnl FIXME: should define AVIFILE_VERSION
+dnl
+dnl prerequisites:
+dnl - working C++ compiler
+dnl - usable libstdc++
+dnl - AC_PATH_XTRA
+
+AC_DEFUN(AS_AVIFILE,
+[
+ HAVE_AVIFILE="no"
+
+ dnl first look for avifile-config
+ AC_PATH_PROG(AVIFILE_CONFIG, avifile-config, no)
+ min_avifile_version=ifelse([$1], ,0.7.0,$1)
+ if test "x$AVIFILE_CONFIG" != "xno"; then
+ dnl now that we have it, we need to save libs and cflags
+ AVIFILE_LDFLAGS=`avifile-config --libs`
+ AVIFILE_CXXFLAGS=`avifile-config --cflags`
+ AC_SUBST(AVIFILE_LDFLAGS)
+ AC_SUBST(AVIFILE_CXXFLAGS)
+ HAVE_AVIFILE="yes"
+ fi
+
+ dnl we got this far, now start checking if we have the right version
+ if test "x$HAVE_AVIFILE" = "xyes";
+ then
+ AC_MSG_CHECKING(for avifile - version >= $min_avifile_version)
+ dnl first get the version number from avifile-config
+ avifile_major_version=`$AVIFILE_CONFIG $avifile_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+ avifile_minor_version=`$AVIFILE_CONFIG $avifile_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+ avifile_micro_version=`$AVIFILE_CONFIG $avifile_config_args --version | \
+ sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+
+ dnl now run a short C app that tells us if the version is ok or not
+ dnl all of this is boilerplate code from other examples
+ rm -f conf.avifiletest
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+char*
+my_strdup (char *str)
+{
+ char *new_str;
+
+ if (str)
+ {
+ new_str = (char *) 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.avifiletest");
+
+ /* HP/UX 9 (%@#!) writes to sscanf strings */
+ tmp_version = my_strdup ("$min_avifile_version");
+ if (sscanf (tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3)
+ {
+ printf ("%s, bad version string\n", "$min_avifile_version");
+ exit (1);
+ }
+ if (($avifile_major_version > major) ||
+ (($avifile_major_version == major) && ($avifile_minor_version > minor)) ||
+ (($avifile_major_version == major) && ($avifile_minor_version == minor) && ($avifile_micro_version >= micro)))
+ return 0;
+ else
+ {
+ printf ("\n*** 'avifile-config --version' returned %d.%d.%d, but the minimum version\n", $avifile_major_version, $avifile_minor_version, $avifile_micro_version);
+ printf ("*** of AVIFILE required is %d.%d.%d. If avifile-config is correct, then it is\n", major, minor, micro);
+ printf ("*** best to upgrade to the required version.\n");
+ printf ("*** If avifile-config was wrong, set the environment variable AVIFILE_CONFIG\n");
+ printf ("*** to point to the correct copy of avifile-config, and remove the file\n");
+ printf ("*** config.cache (if it exists) before re-running configure\n");
+ return 1;
+ }
+}
+ ],
+ [
+ AC_MSG_RESULT(yes)
+ HAVE_AVIFILE="yes"
+ ],
+ [
+ HAVE_AVIFILE="no"
+ ])
+ fi
+ if test "x$HAVE_AVIFILE" = "xyes";
+ then
+ dnl now try to compile a sample test app
+
+ dnl first save whatever language we're currently testing in
+ dnl AC_LANG_SAVE
+ dnl AC_LANG_CPLUSPLUS
+ AC_LANG_PUSH(C++)
+ ac_save_CXXFLAGS=$CXXFLAGS
+ ac_save_LDFLAGS=$LDFLAGS
+ dnl add X flags, because it looks like avifile needs libXv and libXxf86vm
+ CXXFLAGS="$XXCFLAGS $AVIFILE_CXXFLAGS"
+ LDFLAGS="$LDFLAGS $AVIFILE_LDFLAGS $X_LIBS -lXv -lXxf86vm"
+
+ AC_MSG_CHECKING(compilation of avifile test program)
+ dnl try the compile
+ AC_TRY_LINK([
+#include <stdio.h>
+#include <stdlib.h>
+#include <avifile.h>
+#include <creators.h>
+ ],[
+/* function body */
+IVideoDecoder *decoder;
+BITMAPINFOHEADER bh;
+
+decoder = Creators::CreateVideoDecoder (bh);
+ ],
+ AC_MSG_RESULT(succeeded)
+ HAVE_AVIFILE="yes",
+ AC_MSG_RESULT(failed)
+ HAVE_AVIFILE="no",
+ )
+ AC_LANG_RESTORE
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ LDFLAGS="$ac_save_LDFLAGS"
+ fi
+])
+