do not use "+" at configure.ac

fix the build break due to upgrade pkg-config 0.29.2.

Change-Id: I0241732143f61c2617d42a9d12022d61517a6aa8

diff --git a/configure.ac b/configure.ac
index 2cf19e4..fc28acc 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -94,8 +94,8 @@ PKG_CHECK_MODULES(LIBPNG, libpng)
 PKG_CHECK_MODULES(LIBPIXMAN, pixman-1)
 PKG_CHECK_MODULES(GMOCK, gmock)
 
-LIBTBM_CFLAGS+="$LIBTBM_CFALGS $HAL_API_TBM_CFLAGS $LIBDRM_CFLAGS $CAPI_CFLAGS $WL_CLIENT_CFLAGS $WL_SERVER_CFLAGS $LIBPNG_CFLAGS $LIBPIXMAN_CFLAGS "
-LIBTBM_LIBS+="$LIBTBM_LIBS $HAL_API_TBM_LIBS $LIBDRM_LIBS $CAPI_LIBS $WL_CLIENT_LIBS $WL_SERVER_LIBS $LIBPNG_LIBS $LIBPIXMAN_LIBS "
+LIBTBM_CFLAGS="$LIBTBM_CFALGS $HAL_API_TBM_CFLAGS $LIBDRM_CFLAGS $CAPI_CFLAGS $WL_CLIENT_CFLAGS $WL_SERVER_CFLAGS $LIBPNG_CFLAGS $LIBPIXMAN_CFLAGS "
+LIBTBM_LIBS="$LIBTBM_LIBS $HAL_API_TBM_LIBS $LIBDRM_LIBS $CAPI_LIBS $WL_CLIENT_LIBS $WL_SERVER_LIBS $LIBPNG_LIBS $LIBPIXMAN_LIBS "
 
 LIBTBM_TEST_CFLAGS="$GMOCK_CFLAGS"
 LIBTBM_TEST_LIBS="$GMOCK_LIBS"
@@ -108,8 +108,8 @@ if test "x${have_dlog}" = "xyes"; then
 
     PKG_CHECK_MODULES(DLOG, dlog)
 
-    LIBTBM_CFLAGS+="$DLOG_CFLAGS "
-    LIBTBM_LIBS+="$DLOG_LIBS "
+    LIBTBM_CFLAGS="$LIBTBM_CFLAGS $DLOG_CFLAGS "
+    LIBTBM_LIBS="$LIBTBM_LIBS $DLOG_LIBS "
 fi
 
 AC_SUBST(LIBTBM_CFLAGS)