Use X_LIBS from pkg-config, instead of libdir, for locating libX11

Signed-off-by: Jeff Smith <whydoubt@yahoo.com>
Signed-off-by: Dan Nicholson <dbn.lists@gmail.com>

configs/autoconf.in

@@ -24,6 +24,8 @@ RADEON_CFLAGS = @RADEON_CFLAGS@
 RADEON_LDFLAGS = @RADEON_LDFLAGS@
 INTEL_LIBS = @INTEL_LIBS@
 INTEL_CFLAGS = @INTEL_CFLAGS@
+X_LIBS = @X_LIBS@
+X_CFLAGS = @X_CFLAGS@
 
 # Assembler
 MESA_ASM_SOURCES = @MESA_ASM_SOURCES@

configure.ac

@@ -547,7 +547,9 @@ else
     x11_pkgconfig=no
 fi
 dnl Use the autoconf macro if no pkg-config files
-if test "$x11_pkgconfig" = no; then
+if test "$x11_pkgconfig" = yes; then
+    PKG_CHECK_MODULES([X], [x11])
+else
     AC_PATH_XTRA
 fi
 

progs/egl/Makefile

@@ -57,13 +57,13 @@ peglgears: peglgears.o $(HEADERS) $(LIB_DEP)
 	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB) -lm
 
 xeglgears: xeglgears.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm -L$(libdir) -lX11
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X_LIBS)
 
 xeglthreads: xeglthreads.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm -L$(libdir) -lX11
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X_LIBS)
 
 xegl_tri: xegl_tri.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm -L$(libdir) -lX11
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X_LIBS)
 
 clean:
 	-rm -f *.o *~

progs/xdemos/Makefile

@@ -9,9 +9,9 @@ INCDIR = $(TOP)/include
 LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME)
 
 # Add X11 and pthread libs to satisfy GNU gold.
-APP_LIB_DEPS += -lX11 -lpthread
+APP_LIB_DEPS += $(X_LIBS) -lpthread
 
-LIBS = -L$(TOP)/$(LIB_DIR) -l$(GL_LIB) -L$(libdir) $(APP_LIB_DEPS)
+LIBS = -L$(TOP)/$(LIB_DIR) -l$(GL_LIB) $(APP_LIB_DEPS)
 
 PROGS = \
 	corender \