From 45cdaa095a0e2fe9558de682e1c12229dfab9adc Mon Sep 17 00:00:00 2001
From: Holger Hans Peter Freyther <zecke@selfish.org>
Date: Sun, 3 Mar 2013 10:07:16 +0100
Subject: cygwin: Link many libraries with -no-undefined to create a dll

Only the Gb library relies on having undefined references to a
symbol that needs to be provided by the host application. For
all other libraries we can link with -no-undefined.
---
 src/Makefile.am       | 4 ++--
 src/codec/Makefile.am | 2 +-
 src/gsm/Makefile.am   | 2 +-
 src/vty/Makefile.am   | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 081be966..e85f3e30 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,9 +18,9 @@ BUILT_SOURCES = crc8gen.c crc16gen.c crc32gen.c crc64gen.c
 
 if ENABLE_PLUGIN
 libosmocore_la_SOURCES += plugin.c
-libosmocore_la_LDFLAGS = -version-info $(LIBVERSION) $(LIBRARY_DL)
+libosmocore_la_LDFLAGS = -version-info $(LIBVERSION) $(LIBRARY_DL) -no-undefined
 else
-libosmocore_la_LDFLAGS = -version-info $(LIBVERSION)
+libosmocore_la_LDFLAGS = -version-info $(LIBVERSION) -no-undefined
 endif
 
 if ENABLE_TALLOC
diff --git a/src/codec/Makefile.am b/src/codec/Makefile.am
index 6110cbf7..f4dec62b 100644
--- a/src/codec/Makefile.am
+++ b/src/codec/Makefile.am
@@ -7,4 +7,4 @@ AM_CFLAGS = -Wall $(all_includes) -I$(top_srcdir)/include
 lib_LTLIBRARIES = libosmocodec.la
 
 libosmocodec_la_SOURCES = gsm610.c gsm620.c gsm660.c gsm690.c
-libosmocodec_la_LDFLAGS = -version-info $(LIBVERSION)
+libosmocodec_la_LDFLAGS = -version-info $(LIBVERSION) -no-undefined
diff --git a/src/gsm/Makefile.am b/src/gsm/Makefile.am
index 6e2a785e..59d42347 100644
--- a/src/gsm/Makefile.am
+++ b/src/gsm/Makefile.am
@@ -20,7 +20,7 @@ libosmogsm_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c gsm_utils.c \
 			milenage/aes-encblock.c milenage/aes-internal.c \
 			milenage/aes-internal-enc.c milenage/milenage.c gan.c
 
-libosmogsm_la_LDFLAGS = $(LTLDFLAGS_OSMOGSM) -version-info $(LIBVERSION)
+libosmogsm_la_LDFLAGS = $(LTLDFLAGS_OSMOGSM) -version-info $(LIBVERSION) -no-undefined
 libosmogsm_la_LIBADD = $(top_builddir)/src/libosmocore.la
 
 EXTRA_DIST = libosmogsm.map
diff --git a/src/vty/Makefile.am b/src/vty/Makefile.am
index 76d7f271..a6cfd6f7 100644
--- a/src/vty/Makefile.am
+++ b/src/vty/Makefile.am
@@ -9,6 +9,6 @@ lib_LTLIBRARIES = libosmovty.la
 
 libosmovty_la_SOURCES = buffer.c command.c vty.c vector.c utils.c \
 			telnet_interface.c logging_vty.c
-libosmovty_la_LDFLAGS = -version-info $(LIBVERSION)
+libosmovty_la_LDFLAGS = -version-info $(LIBVERSION) -no-undefined
 libosmovty_la_LIBADD = $(top_builddir)/src/libosmocore.la
 endif
-- 
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