[network-manager-applet] libnm-gtk: add test for missing exported symbols

[Lubomir Rintel <lkundrak src gnome org>]

commit 2a1a35f91f5b0f88d5d8dc9741a541ca4c608884
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Wed Jul 15 17:20:50 2015 +0200

    libnm-gtk: add test for missing exported symbols
    
    Copied over from NetworkManager, added a whitelist of symbols that were
    unversioned in 1.0.0 and we want to keep them unversioned.

 src/libnm-gtk/Makefile.am      |    5 +-
 src/libnm-gtk/check-exports.sh |  130 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 134 insertions(+), 1 deletions(-)
---
diff --git a/src/libnm-gtk/Makefile.am b/src/libnm-gtk/Makefile.am
index dec6d99..18c0b57 100644
--- a/src/libnm-gtk/Makefile.am
+++ b/src/libnm-gtk/Makefile.am
@@ -81,7 +81,10 @@ gir_DATA = $(INTROSPECTION_GIRS)
 typelibdir = $(libdir)/girepository-1.0
 typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib)
 
+check-local:
+       $(top_srcdir)/src/libnm-gtk/check-exports.sh $(builddir)/.libs/libnm-gtk.so $(srcdir)/libnm-gtk.ver
+
 CLEANFILES = $(gir_DATA) $(typelib_DATA)
 endif
 
-EXTRA_DIST = libnm-gtk.pc.in libnm-gtk.ver $(ui_DATA)
+EXTRA_DIST = libnm-gtk.pc.in libnm-gtk.ver check-exports.sh $(ui_DATA)
diff --git a/src/libnm-gtk/check-exports.sh b/src/libnm-gtk/check-exports.sh
new file mode 100755
index 0000000..bfcdf16
--- /dev/null
+++ b/src/libnm-gtk/check-exports.sh
@@ -0,0 +1,130 @@
+#!/bin/sh
+
+LC_ALL=C
+export LC_ALL
+
+stat=0
+so="$1"
+def="$2"
+PATTERN="_ANCHOR_"
+
+TMPFILE="$(mktemp .nm-check-exports.XXXXXX)"
+
+
+get_syms() {
+    nm "$1" |
+    sed -n 's/^[[:xdigit:]]\+ [DT] //p' |
+    sort
+}
+
+get_1_0_0_syms() {
+       cat <<SYMBOLS
+nma_country_info_get_country_code
+nma_country_info_get_country_name
+nma_country_info_get_providers
+nma_country_info_get_type
+nma_country_info_ref
+nma_country_info_unref
+nma_mobile_access_method_get_3gpp_apn
+nma_mobile_access_method_get_dns
+nma_mobile_access_method_get_family
+nma_mobile_access_method_get_gateway
+nma_mobile_access_method_get_name
+nma_mobile_access_method_get_password
+nma_mobile_access_method_get_type
+nma_mobile_access_method_get_username
+nma_mobile_access_method_ref
+nma_mobile_access_method_unref
+nma_mobile_provider_get_3gpp_mcc_mnc
+nma_mobile_provider_get_cdma_sid
+nma_mobile_provider_get_methods
+nma_mobile_provider_get_name
+nma_mobile_provider_get_type
+nma_mobile_provider_ref
+nma_mobile_providers_database_dump
+nma_mobile_providers_database_get_countries
+nma_mobile_providers_database_get_type
+nma_mobile_providers_database_lookup_3gpp_mcc_mnc
+nma_mobile_providers_database_lookup_cdma_sid
+nma_mobile_providers_database_lookup_country
+nma_mobile_providers_database_new
+nma_mobile_providers_database_new_finish
+nma_mobile_providers_database_new_sync
+nma_mobile_providers_split_3gpp_mcc_mnc
+nma_mobile_provider_unref
+nma_mobile_wizard_destroy
+nma_mobile_wizard_new
+nma_mobile_wizard_present
+nma_utils_disambiguate_device_names
+nma_utils_get_connection_device_name
+nma_utils_get_device_description
+nma_utils_get_device_generic_type_name
+nma_utils_get_device_product
+nma_utils_get_device_type_name
+nma_utils_get_device_vendor
+nma_vpn_password_dialog_focus_password
+nma_vpn_password_dialog_focus_password_secondary
+nma_vpn_password_dialog_get_password
+nma_vpn_password_dialog_get_password_secondary
+nma_vpn_password_dialog_get_type
+nma_vpn_password_dialog_new
+nma_vpn_password_dialog_run_and_block
+nma_vpn_password_dialog_set_password
+nma_vpn_password_dialog_set_password_label
+nma_vpn_password_dialog_set_password_secondary
+nma_vpn_password_dialog_set_password_secondary_label
+nma_vpn_password_dialog_set_show_password
+nma_vpn_password_dialog_set_show_password_secondary
+nma_wifi_dialog_get_connection
+nma_wifi_dialog_get_nag_ignored
+nma_wifi_dialog_get_type
+nma_wifi_dialog_nag_user
+nma_wifi_dialog_new
+nma_wifi_dialog_new_for_create
+nma_wifi_dialog_new_for_hidden
+nma_wifi_dialog_new_for_other
+nma_wifi_dialog_set_nag_ignored
+nma_wireless_dialog_get_connection
+nma_wireless_dialog_get_type
+nma_wireless_dialog_new
+nma_wireless_dialog_new_for_create
+nma_wireless_dialog_new_for_other
+SYMBOLS
+       }
+
+get_syms_from_def() {
+    (sed -n 's/^\t\(\([_a-zA-Z0-9]\+\)\|#\s*\([_a-zA-Z0-9]\+@@\?[_a-zA-Z0-9]\+\)\);$/\2\3/p' "$1";
+    get_1_0_0_syms)  |
+    sort
+}
+
+anchor() {
+    sed "s/.*/$PATTERN\0$PATTERN/"
+}
+
+unanchor() {
+    sed "s/^$PATTERN\(.*\)$PATTERN\$/\1/"
+}
+
+
+get_syms "$so" | anchor > "$TMPFILE"
+WRONG="$(get_syms_from_def "$def" | anchor | grep -F -f - "$TMPFILE" -v)"
+RESULT=$?
+if [ $RESULT -eq 0 ]; then
+    stat=1
+    echo ">>library \"$so\" exports symbols that are not in linker script \"$def\":"
+    echo "$WRONG" | unanchor | nl
+fi
+
+get_syms_from_def "$def" | anchor > "$TMPFILE"
+WRONG="$(get_syms "$so" | anchor | grep -F -f - "$TMPFILE" -v)"
+RESULT=$?
+if [ $RESULT -eq 0 ]; then
+    stat=1
+    echo ">>linker script \"$def\" contains symbols that are not exported by library \"$so\":"
+    echo "$WRONG" | unanchor | nl
+fi
+
+rm -rf "$TMPFILE"
+exit $stat
+