From dd57d05a523746af54557e4cf5a9768ebe029d77 Mon Sep 17 00:00:00 2001
From: Christophe Fergeau <cfergeau@redhat.com>
Date: Tue, 2 Dec 2014 11:31:27 +0100
Subject: build-sys: Move celt check to m4 macro

---
 common/Makefile.am |  4 +---
 configure.ac       | 17 +----------------
 m4/spice-deps.m4   | 26 ++++++++++++++++++++++++++
 3 files changed, 28 insertions(+), 19 deletions(-)

diff --git a/common/Makefile.am b/common/Makefile.am
index cbb8f8b..362fce6 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -94,15 +94,13 @@ AM_CPPFLAGS =				\
 	$(SPICE_COMMON_CFLAGS)		\
 	$(GL_CFLAGS)			\
 	$(PIXMAN_CFLAGS)		\
-	$(CELT051_CFLAGS)		\
 	$(OPUS_CFLAGS)		        \
 	$(PROTOCOL_CFLAGS)		\
 	$(NULL)
 
 libspice_common_la_LIBADD =				\
 	$(SPICE_COMMON_LIBS)				\
-	$(OPUS_LIBS)		                        \
-	$(CELT051_LIBS)
+	$(OPUS_LIBS)
 
 MARSHALLERS_DEPS =					\
 	$(top_srcdir)/python_modules/__init__.py	\
diff --git a/configure.ac b/configure.ac
index 27893cc..93ffc76 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,25 +40,10 @@ PKG_CHECK_MODULES(PIXMAN, pixman-1 >= 0.17.7)
 AC_SUBST(PIXMAN_CFLAGS)
 
 SPICE_CHECK_SMARTCARD(SPICE_COMMON)
+SPICE_CHECK_CELT051(SPICE_COMMON)
 AC_SUBST(SPICE_COMMON_CFLAGS)
 AC_SUBST(SPICE_COMMON_LIBS)
 
-AC_ARG_ENABLE(celt051,
-[  --disable-celt051       Disable celt051 audio codec (enabled by default)],,
-[enable_celt051="yes"])
-
-if test "x$enable_celt051" = "xyes"; then
-    PKG_CHECK_MODULES(CELT051, celt051 >= 0.5.1.1, have_celt051=yes, have_celt051=no)
-    AC_SUBST(CELT051_CFLAGS)
-    AC_SUBST(CELT051_LIBS)
-    AC_SUBST(CELT051_LIBDIR)
-else
-    have_celt051=no
-fi
-
-AM_CONDITIONAL([HAVE_CELT051], [test "x$have_celt051" = "xyes"])
-AM_COND_IF([HAVE_CELT051], AC_DEFINE([HAVE_CELT051], 1, [Define if we have celt051 codec]))
-
 PKG_CHECK_MODULES([OPUS], [opus >= 0.9.14], have_opus=yes, have_opus=no)
 AM_CONDITIONAL([HAVE_OPUS], [test "x$have_opus" = "xyes"])
 AM_COND_IF([HAVE_OPUS], AC_DEFINE([HAVE_OPUS], 1, [Define if we have Opus]))
diff --git a/m4/spice-deps.m4 b/m4/spice-deps.m4
index f5bf05f..443718b 100644
--- a/m4/spice-deps.m4
+++ b/m4/spice-deps.m4
@@ -54,3 +54,29 @@ AC_DEFUN([SPICE_CHECK_SMARTCARD], [
     AS_VAR_APPEND([$1_CFLAGS], [" $SMARTCARD_CFLAGS"])
     AS_VAR_APPEND([$1_LIBS], [" $SMARTCARD_LIBS"])
 ])
+
+
+# SPICE_CHECK_CELT051(PREFIX)
+# ---------------------------
+# Adds a --disable-celt051 switch in order to enable/disable CELT 0.5.1
+# support, and checks if the needed libraries are available. If found, it will
+# append the flags to use to the $PREFIX_CFLAGS and $PREFIX_LIBS variables, and
+# it will define a HAVE_CELT051 preprocessor symbol as well as a HAVE_CELT051
+# Makefile conditional.
+#----------------------------
+AC_DEFUN([SPICE_CHECK_CELT051], [
+    AC_ARG_ENABLE([celt051],
+        [  --disable-celt051       Disable celt051 audio codec (enabled by default)],,
+        [enable_celt051="yes"])
+
+    if test "x$enable_celt051" = "xyes"; then
+        PKG_CHECK_MODULES([CELT051], [celt051 >= 0.5.1.1], [have_celt051=yes], [have_celt051=no])
+    else
+        have_celt051=no
+    fi
+
+    AM_CONDITIONAL([HAVE_CELT051], [test "x$have_celt051" = "xyes"])
+    AM_COND_IF([HAVE_CELT051], AC_DEFINE([HAVE_CELT051], 1, [Define if we have celt051 codec]))
+    AS_VAR_APPEND([$1_CFLAGS], [" $CELT051_CFLAGS"])
+    AS_VAR_APPEND([$1_LIBS], [" $CELT051_LIBS"])
+])
-- 
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