[PATCH:xhost 1/2] Only need CFLAGS, not LIBS from xau package

[Alan Coopersmith]

xhost needs the Family definitions from <X11/Xauth.h> to build, but
doesn't call any libXau functions, so doesn't need to link against it.

Fixes Solaris ld -z guidance warning:
ld: guidance: removal of unused dependency recommended: libXau.so.6

Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
---
 Makefile.am  |    2 +-
 configure.ac |    5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index be6f2c9..fbbc0f1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,7 +3,7 @@ bin_PROGRAMS = xhost
 
 xhost_SOURCES = xhost.c
 
-AM_CFLAGS = $(CWARNFLAGS) $(XHOST_CFLAGS)
+AM_CFLAGS = $(CWARNFLAGS) $(XHOST_CFLAGS) $(XAU_CFLAGS)
 xhost_LDADD = $(XHOST_LIBS)
 
 MAINTAINERCLEANFILES = ChangeLog INSTALL
diff --git a/configure.ac b/configure.ac
index a30c5e2..96dde43 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,10 @@ AC_TYPE_SIGNAL
 XORG_DEFAULT_OPTIONS
 
 # Checks for pkg-config packages
-PKG_CHECK_MODULES(XHOST, x11 xmuu xau)
+# - Both CFLAGS & LIBS needed:
+PKG_CHECK_MODULES(XHOST, x11 xmuu)
+# - Only CFLAGS needed, not libs:
+PKG_CHECK_MODULES(XAU, xau)
 
 # Transport selection macro from xtrans.m4
 XTRANS_CONNECTION_FLAGS
-- 
1.7.3.2