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authorThomas Vander Stichele <thomas@apestaart.org>2002-06-10 14:18:19 +0000
committerThomas Vander Stichele <thomas@apestaart.org>2002-06-10 14:18:19 +0000
commitab75989aef802ac3b925de116fd66d66e5b43f3f (patch)
tree18710e21afe0434a255c1a17f24b3444fbc87987
parent6c98f7f08cb07731c6ade89449f90433ea69c5e3 (diff)
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adding libdv m4 check
Original commit message from CVS: adding libdv m4 check
-rw-r--r--m4/libdv.m4108
1 files changed, 108 insertions, 0 deletions
diff --git a/m4/libdv.m4 b/m4/libdv.m4
new file mode 100644
index 00000000..d0eee8a3
--- /dev/null
+++ b/m4/libdv.m4
@@ -0,0 +1,108 @@
+# Configure paths for libdv
+# copied from vorbis.m4 by Thomas
+# checks for libdv 0.9.5 since that added an extra argument to _init
+# Shamelessly stolen from Owen Taylor and Manish Singh
+
+dnl AM_PATH_LIBDV([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Test for liblibdv, and define LIBDV_CFLAGS and LIBDV_LIBS
+dnl
+AC_DEFUN(AM_PATH_LIBDV,
+[dnl
+dnl Get the cflags and libraries
+
+AC_ARG_WITH(libdv,[ --with-libdv=PFX Prefix where libdv is installed (optional)], libdv_prefix="$withval", libdv_prefix="")
+AC_ARG_WITH(libdv-libraries,[ --with-libdv-libraries=DIR Directory where libdv library is installed (optional)], libdv_libraries="$withval", libdv_libraries="")
+AC_ARG_WITH(libdv-includes,[ --with-libdv-includes=DIR Directory where libdv header files are installed (optional)], libdv_includes="$withval", libdv_includes="")
+AC_ARG_ENABLE(libdvtest, [ --disable-libdvtest Do not try to compile and run a test libdv program],, enable_libdvtest=yes)
+
+ if test "x$libdv_libraries" != "x" ; then
+ LIBDV_LIBS="-L$libdv_libraries"
+ elif test "x$libdv_prefix" != "x" ; then
+ LIBDV_LIBS="-L$libdv_prefix/lib"
+ elif test "x$prefix" != "xNONE"; then
+ LIBDV_LIBS="-L$prefix/lib"
+ fi
+
+ LIBDV_LIBS="$LIBDV_LIBS -ldv"
+
+ if test "x$libdv_includes" != "x" ; then
+ LIBDV_CFLAGS="-I$libdv_includes"
+ elif test "x$libdv_prefix" != "x" ; then
+ LIBDV_CFLAGS="-I$libdv_prefix/include"
+ elif test "x$prefix" != "xNONE"; then
+ LIBDV_CFLAGS="-I$prefix/include"
+ fi
+
+
+ AC_MSG_CHECKING(for libdv)
+ no_libdv=""
+
+
+ if test "x$enable_libdvtest" = "xyes" ; then
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $LIBDV_CFLAGS"
+ LIBS="$LIBS $LIBDV_LIBS"
+dnl
+dnl Now check if the installed libdv is sufficiently new.
+dnl
+ dnl rm -f conf.libdvtest
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libdv/dv.h>
+
+int main ()
+{
+ dv_decoder_new (0, 0, 0);
+ return 0;
+}
+
+],, no_libdv=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+
+ if test "x$no_libdv" = "x" ; then
+ AC_MSG_RESULT(yes)
+ ifelse([$1], , :, [$1])
+ else
+ AC_MSG_RESULT(no)
+ if test -f conf.libdvtest ; then
+ :
+ else
+ echo "*** Could not run libdv test program, checking why..."
+ CFLAGS="$CFLAGS $LIBDV_CFLAGS"
+ LIBS="$LIBS $LIBDV_LIBS"
+ AC_TRY_LINK([
+#include <stdio.h>
+#include <libdv/dv.h>
+], [ return 0; ],
+ [ echo "*** The test program compiled, but did not run. This usually means"
+ echo "*** that the run-time linker is not finding libdv or finding the wrong"
+ echo "*** version of libdv. If it is not finding libdv, you'll need to set your"
+ echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+ echo "*** to the installed location Also, make sure you have run ldconfig if that"
+ echo "*** is required on your system"
+ echo "***"
+ echo "*** If you have an old version installed, it is best to remove it, although"
+ echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
+ [ echo "*** The test program failed to compile or link. See the file config.log for the"
+ echo "*** exact error that occured. This usually means libdv was incorrectly installed"
+ echo "*** or that you have moved libdv since it was installed." ])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ LIBDV_CFLAGS=""
+ LIBDV_LIBS=""
+ LIBDVFILE_LIBS=""
+ LIBDVENC_LIBS=""
+ ifelse([$2], , :, [$2])
+ fi
+ AC_SUBST(LIBDV_CFLAGS)
+ AC_SUBST(LIBDV_LIBS)
+ AC_SUBST(LIBDVFILE_LIBS)
+ AC_SUBST(LIBDVENC_LIBS)
+ dnl rm -f conf.libdvtest
+])