Merge remote-tracking branch 'qatar/master'

* qatar/master:
  doxygen: Consistently use '@' instead of '\' for Doxygen markup.
  Use av_printf_format to check the usage of printf style functions
  Add av_printf_format, for marking printf style format strings and their parameters
  ARM: enable thumb for Cortex-M* CPUs
  nsvdec: Propagate error values instead of returning 0 in nsv_read_header().
  build: remove SRC_PATH_BARE variable
  build: move basic rules and variables to main Makefile
  build: move special targets to end of main Makefile
  lavdev: improve feedback in case of invalid frame rate/size
  vfwcap: prefer "framerate_q" over "fps" in vfw_read_header()
  v4l2: prefer "framerate_q" over "fps" in v4l2_set_parameters()
  fbdev: prefer "framerate_q" over "fps" in device context
  bktr: prefer "framerate" over "fps" for grab_read_header()
  ALSA: implement channel layout for playback.
  alsa: support unsigned variants of already supported signed formats.
  alsa: add support for more formats.
  ARM: allow building in Thumb2 mode

Conflicts:
	common.mak
	doc/APIchanges
	libavcodec/vdpau.h
	libavdevice/alsa-audio-common.c
	libavdevice/fbdev.c
	libavdevice/libdc1394.c
	libavutil/avutil.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 55 insertions, 11 deletions

diff --git a/Makefile b/Makefile
index 498a0cf248..9eff02dbed 100644
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,49 @@
 include config.mak
 
-SRC_DIR = $(SRC_PATH_BARE)
+vpath %.c    $(SRC_PATH)
+vpath %.h    $(SRC_PATH)
+vpath %.S    $(SRC_PATH)
+vpath %.asm  $(SRC_PATH)
+vpath %.v    $(SRC_PATH)
+vpath %.texi $(SRC_PATH)
+
+ifndef V
+Q      = @
+ECHO   = printf "$(1)\t%s\n" $(2)
+BRIEF  = CC AS YASM AR LD HOSTCC STRIP CP
+SILENT = DEPCC YASMDEP RM RANLIB
+MSG    = $@
+M      = @$(call ECHO,$(TAG),$@);
+$(foreach VAR,$(BRIEF), \
+    $(eval override $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
+$(foreach VAR,$(SILENT),$(eval override $(VAR) = @$($(VAR))))
+$(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_PATH)/%=%)); $(INSTALL))
+endif
+
+IFLAGS     := -I. -I$(SRC_PATH)
+CPPFLAGS   := $(IFLAGS) $(CPPFLAGS)
+CFLAGS     += $(ECFLAGS)
+YASMFLAGS  += $(IFLAGS) -Pconfig.asm
+HOSTCFLAGS += $(IFLAGS)
+
+%.o: %.c
+	$(CCDEP)
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(CC_DEPFLAGS) -c $(CC_O) $<
+
+%.o: %.S
+	$(ASDEP)
+	$(AS) $(CPPFLAGS) $(ASFLAGS) $(AS_DEPFLAGS) -c -o $@ $<
+
+%.ho: %.h
+	$(CC) $(CPPFLAGS) $(CFLAGS) -Wno-unused -c -o $@ -x c $<
 
-vpath %.c   $(SRC_DIR)
-vpath %.h   $(SRC_DIR)
-vpath %.S   $(SRC_DIR)
-vpath %.asm $(SRC_DIR)
-vpath %.v   $(SRC_DIR)
-vpath %.texi $(SRC_PATH_BARE)
+%.ver: %.v
+	$(Q)sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@
+
+%.c %.h: TAG = GEN
+
+# Do not delete intermediate files from chains of implicit rules
+$(OBJS):
 
 PROGS-$(CONFIG_FFMPEG)   += ffmpeg
 PROGS-$(CONFIG_FFPLAY)   += ffplay
@@ -37,7 +73,7 @@ FFLIBS-$(CONFIG_SWSCALE)  += swscale
 
 FFLIBS := avutil
 
-DATA_FILES := $(wildcard $(SRC_DIR)/ffpresets/*.ffpreset)
+DATA_FILES := $(wildcard $(SRC_PATH)/ffpresets/*.ffpreset)
 
 SKIPHEADERS = cmdutils_common_opts.h
 
@@ -54,7 +90,7 @@ $(PROGS): %$(EXESUF): %_g$(EXESUF)
 	$(STRIP) $@
 
 config.h: .config
-.config: $(wildcard $(FFLIBS:%=$(SRC_DIR)/lib%/all*.c))
+.config: $(wildcard $(FFLIBS:%=$(SRC_PATH)/lib%/all*.c))
 	@-tput bold 2>/dev/null
 	@-printf '\nWARNING: $(?F) newer than config.h, rerun configure\n\n'
 	@-tput sgr0 2>/dev/null
@@ -93,8 +129,8 @@ tools/%.o: tools/%.c
 
 -include $(wildcard tools/*.d)
 
-VERSION_SH  = $(SRC_PATH_BARE)/version.sh
-GIT_LOG     = $(SRC_PATH_BARE)/.git/logs/HEAD
+VERSION_SH  = $(SRC_PATH)/version.sh
+GIT_LOG     = $(SRC_PATH)/.git/logs/HEAD
 
 .version: $(wildcard $(GIT_LOG)) $(VERSION_SH) config.mak
 .version: M=@
@@ -151,5 +187,13 @@ check: test
 include doc/Makefile
 include tests/Makefile
 
+# Dummy rule to stop make trying to rebuild removed or renamed headers
+%.h:
+	@:
+
+# Disable suffix rules.  Most of the builtin rules are suffix rules,
+# so this saves some time on slow systems.
+.SUFFIXES:
+
 .PHONY: all alltools *clean check config examples install*
 .PHONY: testprogs uninstall*