submission: Install header files

This allows creating external submission plugins.

diff --git a/src/submission/Makefile.am b/src/submission/Makefile.am
index 2ccb1e16d9014b22537c93b8628dbd80306d8e5a..6d37277ca7b06180664ac62ee523775a20483982 100644 (file)
--- a/src/submission/Makefile.am
+++ b/src/submission/Makefile.am
@@ -42,7 +42,7 @@ submission_SOURCES = \
        submission-commands.c \
        submission-settings.c
 
-noinst_HEADERS = \
+headers = \
        submission-common.h \
        submission-backend.h \
        submission-backend-relay.h \
@@ -50,3 +50,6 @@ noinst_HEADERS = \
        submission-recipient.h \
        submission-client.h \
        submission-settings.h
+
+pkginc_libdir=$(pkgincludedir)
+pkginc_lib_HEADERS = $(headers)