Require newer versions of dependencies

New APIs only available since libgtp 1.4.0 are needed, and in turn that
libgtp version requires newer libosmocore 1.1.0.

osmo-sgsn itself requires libosmocore 1.2.0 since it uses GSM23003_TMSI_SGSN_MASK.

Change-Id: I1c67d3e7dda093b4869756c7a63dc7a4549084ae
diff --git a/configure.ac b/configure.ac
index a7d3717..02dcf05 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,12 +39,12 @@
 AC_SUBST(LIBRARY_DL)
 
 
-PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.0.0)
-PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 1.0.0)
-PKG_CHECK_MODULES(LIBOSMOCTRL, libosmoctrl >= 1.0.0)
-PKG_CHECK_MODULES(LIBOSMOGSM, libosmogsm >= 1.0.0)
+PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.2.0)
+PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 1.2.0)
+PKG_CHECK_MODULES(LIBOSMOCTRL, libosmoctrl >= 1.2.0)
+PKG_CHECK_MODULES(LIBOSMOGSM, libosmogsm >= 1.2.0)
+PKG_CHECK_MODULES(LIBOSMOGB, libosmogb >= 1.2.0)
 PKG_CHECK_MODULES(LIBOSMOABIS, libosmoabis >= 0.6.0)
-PKG_CHECK_MODULES(LIBOSMOGB, libosmogb >= 1.0.0)
 PKG_CHECK_MODULES(LIBOSMONETIF, libosmo-netif >= 0.4.0)
 PKG_CHECK_MODULES(LIBOSMOGSUPCLIENT, libosmo-gsup-client >= 1.0.0)
 
@@ -61,7 +61,7 @@
 AC_SUBST(osmo_ac_iu)
 
 
-PKG_CHECK_MODULES(LIBGTP, libgtp >= 1.3.0)
+PKG_CHECK_MODULES(LIBGTP, libgtp >= 1.4.0)
 PKG_CHECK_MODULES(LIBCARES, libcares)
 
 dnl checks for header files