# Copyright (c) 2010 WorkWare Systems http://www.workware.net.au/ # All rights reserved # @synopsis: # # The 'cc-shared' module provides support for shared libraries and shared objects. # It defines the following variables: # ## SH_CFLAGS Flags to use compiling sources destined for a shared library ## SH_LDFLAGS Flags to use linking (creating) a shared library ## SH_SOPREFIX Prefix to use to set the soname when creating a shared library ## SH_SOEXT Extension for shared libs ## SH_SOEXTVER Format for versioned shared libs - %s = version ## SHOBJ_CFLAGS Flags to use compiling sources destined for a shared object ## SHOBJ_LDFLAGS Flags to use linking a shared object, undefined symbols allowed ## SHOBJ_LDFLAGS_R - as above, but all symbols must be resolved ## SH_LINKFLAGS Flags to use linking an executable which will load shared objects ## LD_LIBRARY_PATH Environment variable which specifies path to shared libraries ## STRIPLIBFLAGS Arguments to strip a dynamic library module-options {} # Defaults: gcc on unix define SHOBJ_CFLAGS -fpic define SHOBJ_LDFLAGS -shared define SH_CFLAGS -fpic define SH_LDFLAGS -shared define SH_LINKFLAGS -rdynamic define SH_SOEXT .so define SH_SOEXTVER .so.%s define SH_SOPREFIX -Wl,-soname, define LD_LIBRARY_PATH LD_LIBRARY_PATH define STRIPLIBFLAGS --strip-unneeded # Note: This is a helpful reference for identifying the toolchain # http://sourceforge.net/apps/mediawiki/predef/index.php?title=Compilers switch -glob -- [get-define host] { *-*-darwin* { define SHOBJ_CFLAGS "-dynamic -fno-common" define SHOBJ_LDFLAGS "-bundle -undefined dynamic_lookup" define SHOBJ_LDFLAGS_R -bundle define SH_CFLAGS -dynamic define SH_LDFLAGS -dynamiclib define SH_LINKFLAGS "" define SH_SOEXT .dylib define SH_SOEXTVER .%s.dylib define SH_SOPREFIX -Wl,-install_name, define LD_LIBRARY_PATH DYLD_LIBRARY_PATH define STRIPLIBFLAGS -x } *-*-ming* - *-*-cygwin - *-*-msys { define SHOBJ_CFLAGS "" define SHOBJ_LDFLAGS -shared define SH_CFLAGS "" define SH_LDFLAGS -shared define SH_LINKFLAGS "" define SH_SOEXT .dll define SH_SOEXTVER .dll define SH_SOPREFIX "" define LD_LIBRARY_PATH PATH } sparc* { if {[msg-quiet cc-check-decls __SUNPRO_C]} { msg-result "Found sun stdio compiler" # sun stdio compiler # XXX: These haven't been fully tested. define SHOBJ_CFLAGS -KPIC define SHOBJ_LDFLAGS "-G" define SH_CFLAGS -KPIC define SH_LINKFLAGS -Wl,-export-dynamic define SH_SOPREFIX -Wl,-h, } else { # sparc has a very small GOT table limit, so use -fPIC define SH_CFLAGS -fPIC define SHOBJ_CFLAGS -fPIC } } *-*-solaris* { if {[msg-quiet cc-check-decls __SUNPRO_C]} { msg-result "Found sun stdio compiler" # sun stdio compiler # XXX: These haven't been fully tested. define SHOBJ_CFLAGS -KPIC define SHOBJ_LDFLAGS "-G" define SH_CFLAGS -KPIC define SH_LINKFLAGS -Wl,-export-dynamic define SH_SOPREFIX -Wl,-h, } } *-*-hpux { # XXX: These haven't been tested define SHOBJ_CFLAGS "+O3 +z" define SHOBJ_LDFLAGS -b define SH_CFLAGS +z define SH_LINKFLAGS -Wl,+s define LD_LIBRARY_PATH SHLIB_PATH } *-*-haiku { define SHOBJ_CFLAGS "" define SHOBJ_LDFLAGS -shared define SH_CFLAGS "" define SH_LDFLAGS -shared define SH_LINKFLAGS "" define SH_SOPREFIX "" define LD_LIBRARY_PATH LIBRARY_PATH } microblaze* { # Microblaze generally needs -fPIC rather than -fpic define SHOBJ_CFLAGS -fPIC define SH_CFLAGS -fPIC } } if {![is-defined SHOBJ_LDFLAGS_R]} { define SHOBJ_LDFLAGS_R [get-define SHOBJ_LDFLAGS] }