https://bugs.gentoo.org/583398
https://build.opensuse.org/package/view_file/openSUSE:Factory/gsoap/gsoap-01-sharedlibs.diff?expand=1
See also: https://src.fedoraproject.org/rpms/gsoap/blob/rawhide/f/gsoap-libtool.patch

From: Jan Engelhardt <jengelh@medozas.de>
Date: 2011-07-01 17:19:00 +0200

build: always use shared libraries

--- a/configure.ac
+++ b/configure.ac
@@ -15,8 +15,8 @@ AM_PROG_CC_C_O
 AM_PROG_LEX([noyywrap])
 AC_PROG_YACC
 AC_PROG_CPP
-AC_PROG_RANLIB
-#AM_PROG_LIBTOOL
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+LT_INIT
 AC_PROG_LN_S
 AC_PROG_AWK
 AC_PROG_INSTALL
@@ -310,7 +310,7 @@ if test "x$with_openssl" = "xyes"; then
     WSDL2H_EXTRA_LIBS="${WSDL2H_EXTRA_LIBS} -lgnutls -lgcrypt -lgpg-error -lz"
     SAMPLE_INCLUDES=
     SAMPLE_SSL_LIBS="-lgnutls -lgcrypt -lgpg-error -lz"
-    WSDL2H_SOAP_CPP_LIB="libgsoapssl++.a"
+    WSDL2H_SOAP_CPP_LIB="libgsoapssl++.la"
   else
     if test "x$with_wolfssl" = "xyes"; then
       AC_MSG_RESULT(yes)
@@ -318,7 +318,7 @@ if test "x$with_openssl" = "xyes"; then
       WSDL2H_EXTRA_LIBS="${WSDL2H_EXTRA_LIBS} -lwolfssl -lz"
       SAMPLE_INCLUDES=
       SAMPLE_SSL_LIBS="-lwolfssl -lz"
-      WSDL2H_SOAP_CPP_LIB="libgsoapssl++.a"
+      WSDL2H_SOAP_CPP_LIB="libgsoapssl++.la"
     else
       AC_MSG_RESULT(no)
       WSDL2H_EXTRA_FLAGS="-DWITH_OPENSSL -DWITH_GZIP"
@@ -326,7 +326,7 @@ if test "x$with_openssl" = "xyes"; then
       WSDL2H_EXTRA_LIBS="${WSDL2H_EXTRA_LIBS} -lssl -lcrypto -lz"
       SAMPLE_INCLUDES=
       SAMPLE_SSL_LIBS="-lssl -lcrypto -lz"
-      WSDL2H_SOAP_CPP_LIB="libgsoapssl++.a"
+      WSDL2H_SOAP_CPP_LIB="libgsoapssl++.la"
     fi
   fi
   if test -n "$ZLIB"; then
@@ -346,7 +346,7 @@ else
   WSDL2H_EXTRA_FLAGS=
   SAMPLE_SSL_LIBS=
   SAMPLE_INCLUDES=
-  WSDL2H_SOAP_CPP_LIB="libgsoap++.a"
+  WSDL2H_SOAP_CPP_LIB="libgsoap++.la"
 fi
 AM_CONDITIONAL([WITH_OPENSSL], [test "x$with_openssl" = "xyes" -a "x$with_gnutls" != "xyes" -a "x$with_wolfssl" != "xyes"])
 AC_SUBST(WSDL2H_EXTRA_FLAGS)
--- a/gsoap/Makefile.am
+++ b/gsoap/Makefile.am
@@ -34,20 +34,34 @@ stdsoap2_ssl_cpp.cpp: stdsoap2.cpp
 dom_cpp.cpp: dom.cpp
 	$(LN_S) -f $(top_srcdir)/gsoap/dom.cpp dom_cpp.cpp
 
-lib_LIBRARIES = libgsoap.a libgsoap++.a libgsoapck.a libgsoapck++.a libgsoapssl.a libgsoapssl++.a
+lib_LTLIBRARIES = libgsoap.la libgsoap++.la libgsoapck.la libgsoapck++.la libgsoapssl.la libgsoapssl++.la
 
-libgsoap_a_SOURCES = stdsoap2.c dom.c
-libgsoap_a_CFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform)
-libgsoap___a_SOURCES = stdsoap2_cpp.cpp dom_cpp.cpp
-libgsoap___a_CXXFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform)
-libgsoapck_a_SOURCES = stdsoap2_ck.c dom.c
-libgsoapck_a_CFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform) -DWITH_COOKIES
-libgsoapck___a_SOURCES = stdsoap2_ck_cpp.cpp dom_cpp.cpp
-libgsoapck___a_CXXFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform) -DWITH_COOKIES
-libgsoapssl_a_SOURCES = stdsoap2_ssl.c dom.c
-libgsoapssl_a_CFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform) $(WSDL2H_EXTRA_FLAGS) -DWITH_DOM -DWITH_COOKIES
-libgsoapssl___a_SOURCES = stdsoap2_ssl_cpp.cpp dom_cpp.cpp
-libgsoapssl___a_CXXFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform) $(WSDL2H_EXTRA_FLAGS) -DWITH_DOM -DWITH_COOKIES
+libgsoap_la_SOURCES = stdsoap2.c dom.c
+libgsoap_la_CFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform)
+libgsoap___la_SOURCES = stdsoap2_cpp.cpp dom_cpp.cpp
+libgsoap___la_CXXFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform)
+libgsoapck_la_SOURCES = stdsoap2_ck.c dom.c
+libgsoapck_la_CFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform) -DWITH_COOKIES
+libgsoapck___la_SOURCES = stdsoap2_ck_cpp.cpp dom_cpp.cpp
+libgsoapck___la_CXXFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform) -DWITH_COOKIES
+libgsoapssl_la_SOURCES = stdsoap2_ssl.c dom.c
+libgsoapssl_la_CFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform) $(WSDL2H_EXTRA_FLAGS) -DWITH_DOM -DWITH_COOKIES
+libgsoapssl___la_SOURCES = stdsoap2_ssl_cpp.cpp dom_cpp.cpp
+libgsoapssl___la_CXXFLAGS = $(SOAPCPP2_DEBUG) $(SOAPCPP2_NONAMESPACES) $(SOAPCPP2_NO_C_LOCALE) $(SOAPCPP2_IPV6) $(SOAPCPP2_IPV6_V6ONLY) -D$(platform) $(WSDL2H_EXTRA_FLAGS) -DWITH_DOM -DWITH_COOKIES
+libgsoap_la_LDFLAGS = -release ${PACKAGE_VERSION} -Wl,--version-script=gsoap.sym
+libgsoap___la_LDFLAGS = -release ${PACKAGE_VERSION} -Wl,--version-script=gsoap++.sym
+libgsoapck_la_LDFLAGS = -release ${PACKAGE_VERSION} -Wl,--version-script=gsoapck.sym
+libgsoapck___la_LDFLAGS = -release ${PACKAGE_VERSION} -Wl,--version-script=gsoapck++.sym
+libgsoapssl_la_LDFLAGS = -release ${PACKAGE_VERSION} -Wl,--version-script=gsoapssl.sym
+libgsoapssl_la_LIBADD = ${SAMPLE_SSL_LIBS}
+libgsoapssl___la_LDFLAGS = -release ${PACKAGE_VERSION} -Wl,--version-script=gsoapssl++.sym
+libgsoapssl___la_LIBADD = ${libgsoapssl_la_LIBADD}
+EXTRA_libgsoap_la_DEPENDENCIES = gsoap.sym
+EXTRA_libgsoap___la_DEPENDENCIES = gsoap++.sym
+EXTRA_libgsoapck_la_DEPENDENCIES = gsoapck.sym
+EXTRA_libgsoapck___la_DEPENDENCIES = gsoapck++.sym
+EXTRA_libgsoapssl_la_DEPENDENCIES = gsoapssl.sym
+EXTRA_libgsoapssl___la_DEPENDENCIES = gsoapssl++.sym
 
 BUILT_SOURCES = stdsoap2_cpp.cpp dom_cpp.cpp stdsoap2_ck.c stdsoap2_ck_cpp.cpp stdsoap2_ssl.c stdsoap2_ssl_cpp.cpp
 
--- /dev/null
+++ b/gsoap/gsoap++.sym
@@ -0,0 +1 @@
+GSOAPXX { global: *; };
--- /dev/null
+++ b/gsoap/gsoap.sym
@@ -0,0 +1 @@
+GSOAP { global: *; };
--- /dev/null
+++ b/gsoap/gsoapck++.sym
@@ -0,0 +1 @@
+GSOAPCKXX { global: *; };
--- /dev/null
+++ b/gsoap/gsoapck.sym
@@ -0,0 +1 @@
+GSOAPCK { global: *; };
--- /dev/null
+++ b/gsoap/gsoapckssl++.sym
@@ -0,0 +1 @@
+GSOAPCKSSLXX { global: *; };
--- /dev/null
+++ b/gsoap/gsoapckssl.sym
@@ -0,0 +1 @@
+GSOAPCKSSL { global: *; };
--- /dev/null
+++ b/gsoap/gsoapssl++.sym
@@ -0,0 +1 @@
+GSOAPSSLXX { global: *; };
--- /dev/null
+++ b/gsoap/gsoapssl.sym
@@ -0,0 +1 @@
+GSOAPSSL { global: *; };