Add --enable-host-shared configuration option

/
	* configure.ac: Add --enable-host-shared
	* configure: Regenerate.

gcc/
	* Makefile.in (PICFLAG): New.
	(enable_host_shared): New.
	(INTERNAL_CFLAGS): Use PICFLAG.
	(LIBIBERTY): Use pic build of libiberty.a if configured with
	--enable-host-shared.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.
	* doc/install.texi (--enable-shared): Add note contrasting it
	with...
	(--enable-host-shared): New option.

libbacktrace/
	* configure.ac: Add --enable-host-shared, setting up
	pre-existing PIC_FLAG variable within Makefile.am et al.
	* configure: Regenerate.

libcpp/
	* Makefile.in (PICFLAG): New.
	(ALL_CFLAGS): Add PICFLAG.
	(ALL_CXXFLAGS): Likewise.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.

libdecnumber/
	* Makefile.in (PICFLAG): New.
	(ALL_CFLAGS): Add PICFLAG.
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* configure: Regenerate.

libiberty/
	* configure.ac: If --enable-host-shared, use -fPIC.
	* configure: Regenerate.

zlib/
	* configure.ac: Add --enable-host-shared, setting up new
	PICFLAG variable.
	* Makefile.am: Add PICFLAG to libz_a_CFLAGS.
	* Makefile.in: Regenerate.
	* configure: Regenerate.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@203632 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 31 insertions, 4 deletions

diff --git a/zlib/ChangeLog.gcj b/zlib/ChangeLog.gcj
index 6025369262a..f32e3028496 100644
--- a/zlib/ChangeLog.gcj
+++ b/zlib/ChangeLog.gcj
@@ -1,3 +1,11 @@
+2013-10-15  David Malcolm  <dmalcolm@redhat.com>
+
+	* configure.ac: Add --enable-host-shared, setting up new
+	PICFLAG variable.
+	* Makefile.am: Add PICFLAG to libz_a_CFLAGS.
+	* Makefile.in: Regenerate.
+	* configure: Regenerate.
+
 2013-09-20  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.
diff --git a/zlib/Makefile.am b/zlib/Makefile.am
index a9c42cb2cf5..82f709d9ec7 100644
--- a/zlib/Makefile.am
+++ b/zlib/Makefile.am
@@ -16,7 +16,7 @@ libzgcj_convenience_la_SOURCES = $(ZLIB_SOURCES)
 else
 toolexeclib_LIBRARIES = libz.a
 libz_a_SOURCES = $(ZLIB_SOURCES)
-libz_a_CFLAGS = $(AM_CFLAGS)
+libz_a_CFLAGS = $(AM_CFLAGS) $(PICFLAG)
 endif
 
 # Work around what appears to be a GNU make bug handling MAKEFLAGS
diff --git a/zlib/Makefile.in b/zlib/Makefile.in
index f5ef37a647f..3c8fd5978c8 100644
--- a/zlib/Makefile.in
+++ b/zlib/Makefile.in
@@ -177,6 +177,7 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
+PICFLAG = @PICFLAG@
 RANLIB = @RANLIB@
 SED = @SED@
 SET_MAKE = @SET_MAKE@
@@ -255,7 +256,7 @@ zconf.h.in zlib.h zutil.c zutil.h
 @TARGET_LIBRARY_TRUE@libzgcj_convenience_la_SOURCES = $(ZLIB_SOURCES)
 @TARGET_LIBRARY_FALSE@toolexeclib_LIBRARIES = libz.a
 @TARGET_LIBRARY_FALSE@libz_a_SOURCES = $(ZLIB_SOURCES)
-@TARGET_LIBRARY_FALSE@libz_a_CFLAGS = $(AM_CFLAGS)
+@TARGET_LIBRARY_FALSE@libz_a_CFLAGS = $(AM_CFLAGS) $(PICFLAG)
 
 # Work around what appears to be a GNU make bug handling MAKEFLAGS
 # values defined in terms of make variables, as is the case for CC and
diff --git a/zlib/configure b/zlib/configure
index c71984f4c67..32e33e7a6fa 100755
--- a/zlib/configure
+++ b/zlib/configure
@@ -602,6 +602,7 @@ ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
+PICFLAG
 TARGET_LIBRARY_FALSE
 TARGET_LIBRARY_TRUE
 toolexeclibdir
@@ -736,6 +737,7 @@ with_pic
 enable_fast_install
 with_gnu_ld
 enable_libtool_lock
+enable_host_shared
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1370,6 +1372,7 @@ Optional Features:
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
+  --enable-host-shared    build host code as shared libraries
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -10400,7 +10403,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10403 "configure"
+#line 10406 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10506,7 +10509,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10509 "configure"
+#line 10512 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11202,6 +11205,15 @@ else
   multilib_arg=
 fi
 
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+  enableval=$enable_host_shared; PICFLAG=-fPIC
+else
+  PICFLAG=
+fi
+
+
+
 ac_config_files="$ac_config_files Makefile"
 
 cat >confcache <<\_ACEOF
diff --git a/zlib/configure.ac b/zlib/configure.ac
index 80253e4fc5d..fb8d943905e 100644
--- a/zlib/configure.ac
+++ b/zlib/configure.ac
@@ -119,5 +119,11 @@ else
   multilib_arg=
 fi
 
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+		[build host code as shared libraries])],
+[PICFLAG=-fPIC], [PICFLAG=])
+AC_SUBST(PICFLAG)
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT