Look for system Vorbis, Opus and Ogg via pkg-config

As usual, the order of precedence is: user override, pkg-config,
or assume they're in standard locations.

In particular, Opus isn't in the default search path on Debian.

1 files changed, 15 insertions, 8 deletions

diff --git a/Makefile b/Makefile
index 316c2019..092d1223 100644
--- a/Makefile
+++ b/Makefile
@@ -955,30 +955,37 @@ ifeq ($(USE_CURL),1)
 endif
 
 ifeq ($(USE_CODEC_VORBIS),1)
-  CLIENT_CFLAGS += -DUSE_CODEC_VORBIS
+  VORBIS_CFLAGS ?= $(shell pkg-config --silence-errors --cflags vorbisfile vorbis || true)
+  VORBIS_LIBS ?= $(shell pkg-config --silence-errors --libs vorbisfile vorbis || echo -lvorbisfile -lvorbis)
+  CLIENT_CFLAGS += -DUSE_CODEC_VORBIS $(VORBIS_CFLAGS)
+  CLIENT_LIBS += $(VORBIS_LIBS)
   NEED_OGG=1
 endif
 
 ifeq ($(USE_CODEC_OPUS),1)
   CLIENT_CFLAGS += -DUSE_CODEC_OPUS
   ifeq ($(USE_INTERNAL_OPUS),1)
-    CLIENT_CFLAGS += -DOPUS_BUILD -DHAVE_LRINTF -DFLOATING_POINT -DUSE_ALLOCA \
+    OPUS_CFLAGS = -DOPUS_BUILD -DHAVE_LRINTF -DFLOATING_POINT -DUSE_ALLOCA \
       -I$(OPUSDIR)/include -I$(OPUSDIR)/celt -I$(OPUSDIR)/silk \
-      -I$(OPUSDIR)/silk/float
-
-    CLIENT_CFLAGS += -I$(OPUSFILEDIR)/include
+      -I$(OPUSDIR)/silk/float -I$(OPUSFILEDIR)/include
   else
-    CLIENT_LIBS += -lopusfile -lopus
+    OPUS_CFLAGS=$(shell pkg-config --silence-errors --cflags opusfile opus || true)
+    OPUS_LIBS=$(shell pkg-config --silence-errors --libs opusfile opus || echo -lopusfile -lopus)
   endif
+  CLIENT_CFLAGS += $(OPUS_CFLAGS)
+  CLIENT_LIBS += $(OPUS_LIBS)
   NEED_OGG=1
 endif
 
 ifeq ($(NEED_OGG),1)
   ifeq ($(USE_INTERNAL_OGG),1)
-    CLIENT_CFLAGS += -I$(OGGDIR)/include
+    OGG_CFLAGS = -I$(OGGDIR)/include
   else
-    CLIENT_LIBS += -logg
+    OGG_CFLAGS ?= $(shell pkg-config --silence-errors --cflags ogg || true)
+    OGG_LIBS ?= $(shell pkg-config --silence-errors --libs ogg || echo -logg)
   endif
+  CLIENT_CFLAGS += $(OGG_CFLAGS)
+  CLIENT_LIBS += $(OGG_LIBS)
 endif
 
 ifeq ($(USE_CODEC_VORBIS),1)