Generate shared libraries rather than a library archive.

This patch should be sent upstream, but needs to be adjusted

to be something that will be properly accepted (probably via

a --enable-shared option from the configure script).

--- yasm-1.3.0/configure.ac.orig 2015-07-08 11:36:32.537084287 -0700

+++ yasm-1.3.0/configure.ac 2015-07-08 11:38:18.439233048 -0700

@@ -73,9 +73,11 @@

AC_PROG_CC_STDC

AC_PROG_INSTALL

AC_PROG_LN_S

-#automake default ARFLAGS to "cru"

-AC_CHECK_TOOLS(AR,[$AR ar],[ar])

-AC_PROG_RANLIB

+

+# Build shared libraries.

+AC_ENABLE_SHARED

+AC_DISABLE_STATIC

+LT_INIT

# REQUIRE a standard (ANSI/ISO) C compiler

if test "$ac_cv_prog_cc_stdc" = no; then

--- yasm-1.3.0/Makefile.am.orig 2015-07-08 11:00:30.653026790 -0700

+++ yasm-1.3.0/Makefile.am 2015-07-08 11:00:23.376352265 -0700

@@ -42,9 +42,13 @@

include tools/Makefile.inc

YASM_MODULES =

-lib_LIBRARIES = libyasm.a

-libyasm_a_SOURCES =

-nodist_libyasm_a_SOURCES =

+lib_LTLIBRARIES = libyasm.la

+libyasm_la_SOURCES =

+nodist_libyasm_la_SOURCES =

+libyasm_la_CFLAGS=-fPIC

+libyasm_la_CPPFLAGS=-fPIC

+libyasm_la_CXXFLAGS=-fPIC

+libyasm_la_LDFLAGS= -shared -fPIC -version-info 0:0:0

include modules/Makefile.inc

include libyasm/Makefile.inc