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This enables replacing the -l and -L flags used to specify the
just-built libraries when linking the tools and shared libs with
non-standard syntaxes.  System library flags are already handled
by the filtering mechanism in configure.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This is needed to link tools/cws2fws using a linker with non-standard
command line syntax.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This adds new HOSTLD and related settings for host linker allowing
it to be different from HOSTCC.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Even though HOSTOBJS are not referenced directly in subdirectory Makefile
snippets right now, robustness requires resetting the variable contents.

Many compilers need special flags to compile *.h files as regular
source code, if they will do so at all.  Rather than hoping all
compilers will have such a flag and adding mappings for it, create
wrapper .c files for test building single headers.

This allows using the regular rule for compiling C files without the
need for special flags, and it also provides proper dependency tracking
for these objects.
Signed-off-by: Mans Rullgard <mans@mansr.com>

nasm requires a trailing / on paths specified with -I.
It does no harm with yasm.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This simplifies adding extra flags for individual programs
and also allows more than one object file per program.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This allows non-standard replacements for the -c compiler flag.
Some compilers use other flags or no flag at all in place of
the usual one.
Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Mans Rullgard <mans@mansr.com>

This adds a full identification probe of CC, AS, LD and HOSTCC,
and sets up correct flags and dependency tracking for each.
Signed-off-by: Mans Rullgard <mans@mansr.com>

The flag was added to avoid excessive warning spam, but nowadays those
warnings no longer occur in such large numbers as to require silencing.
Besides, gcc-specific flags do not belong in the Makefiles.

This is a new library for audio sample format, channel layout, and sample rate
conversion.

This allows simplifying the Makefiles; it is no longer necessary to register
arch subdirectory Makefiles, just putting them in place is enough.

This library does not fit into Libav as a whole and its code is just a
maintenance burden.  Furthermore it is now available as an external project,
which completely obviates any reason to keep it around.

URL: http://git.videolan.org/?p=libpostproc.git

FFT code only appears in libavcodec, so there is no need to reset the variable
when the build templates are instantiated for other libraries.

Signed-off-by: Mans Rullgard <mans@mansr.com>

Fixes make install.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

It will be further developed with a few incompatible changes.

ffmpeg.c will stay as is for some time, so any scripts using it won't be
broken.

This ensures the linker picks the just built libraries even
if LDFLAGS for some reason contains -L flags pointing at
other directories containing libav libraries.
Signed-off-by: Mans Rullgard <mans@mansr.com>

The libs are added to the all target elsewhere, no need to do it
again here.
Signed-off-by: Mans Rullgard <mans@mansr.com>

This variable is set to the same value for all directories.
Adding the -L flags directly to LDFLAGS is simpler and achieves
the same thing.
Signed-off-by: Mans Rullgard <mans@mansr.com>